$(top_builddir)/gst/imagefreeze/.libs/*.{so,dll,DLL,dylib} \
$(top_builddir)/gst/mpeg4videoparse/.libs/*.{so,dll,DLL,dylib} \
$(top_builddir)/gst/qtmux/.libs/*.{so,dll,DLL,dylib} \
+ $(top_builddir)/gst/rtp/.libs/*.{so,dll,DLL,dylib} \
$(top_builddir)/gst/rtpmux/.libs/*.{so,dll,DLL,dylib} \
$(top_builddir)/gst/rtpvp8/.libs/*.{so,dll,DLL,dylib} \
$(top_builddir)/gst/scaletempo/.libs/*.{so,dll,DLL,dylib} \
$(top_srcdir)/gst/qtmux \
$(top_srcdir)/gst/rtpmux \
$(top_srcdir)/gst/rtpvp8 \
+ $(top_srcdir)/gst/rtp \
$(top_srcdir)/gst/scaletempo \
$(top_srcdir)/gst/selector \
$(top_srcdir)/gst/shapewipe \
AG_GST_CHECK_PLUGIN(pnm)
AG_GST_CHECK_PLUGIN(rawparse)
AG_GST_CHECK_PLUGIN(removesilence)
-AG_GST_CHECK_PLUGIN(rtp)
AG_GST_CHECK_PLUGIN(sdi)
AG_GST_CHECK_PLUGIN(sdp)
AG_GST_CHECK_PLUGIN(segmentclip)
gst/pnm/Makefile
gst/rawparse/Makefile
gst/removesilence/Makefile
-gst/rtp/Makefile
gst/sdi/Makefile
gst/sdp/Makefile
gst/segmentclip/Makefile
+++ /dev/null
-plugin_LTLIBRARIES = libgstrtpbad.la
-
-libgstrtpbad_la_SOURCES = \
- gstrtp.c \
- gstrtph265depay.c \
- gstrtph265pay.c
-
-libgstrtpbad_la_CFLAGS = $(GST_PLUGINS_BAD_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) \
- $(GST_CFLAGS)
-
-libgstrtpbad_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) \
- $(top_builddir)/gst-libs/gst/codecparsers/libgstcodecparsers-$(GST_API_VERSION).la \
- -lgstaudio-@GST_API_VERSION@ \
- -lgstvideo-@GST_API_VERSION@ \
- -lgsttag-@GST_API_VERSION@ \
- -lgstrtp-@GST_API_VERSION@ \
- -lgstpbutils-@GST_API_VERSION@ \
- $(GST_BASE_LIBS) $(GST_LIBS) \
- $(LIBM)
-libgstrtpbad_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
-libgstrtpbad_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
-
-noinst_HEADERS = \
- gstrtph265depay.h \
- gstrtph265pay.h
+++ /dev/null
-/* GStreamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/tag/tag.h>
-
-#include "gstrtph265depay.h"
-#include "gstrtph265pay.h"
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- gst_tag_image_type_get_type ();
-
- if (!gst_rtp_h265_depay_plugin_init (plugin))
- return FALSE;
-
- if (!gst_rtp_h265_pay_plugin_init (plugin))
- return FALSE;
-
- return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- rtpbad,
- "Real-time protocol plugins",
- plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
+++ /dev/null
-/* GStreamer
- * Copyright (C) <2006> Wim Taymans <wim.taymans@gmail.com>
- * Copyright (C) <2014> Jurgen Slowack <jurgenslowack@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <stdio.h>
-#include <string.h>
-
-#include <gst/base/gstbitreader.h>
-#include <gst/rtp/gstrtpbuffer.h>
-#include <gst/video/video.h>
-#include "gstrtph265depay.h"
-
-GST_DEBUG_CATEGORY_STATIC (rtph265depay_debug);
-#define GST_CAT_DEFAULT (rtph265depay_debug)
-
-/* This is what we'll default to when downstream hasn't
- * expressed a restriction or preference via caps */
-#define DEFAULT_BYTE_STREAM TRUE
-#define DEFAULT_ACCESS_UNIT FALSE
-
-/* 3 zero bytes syncword */
-static const guint8 sync_bytes[] = { 0, 0, 0, 1 };
-
-static GstStaticPadTemplate gst_rtp_h265_depay_src_template =
- GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- /* FIXME - hvc1 and hev1 formats are not supported yet */
- /*"video/x-h265, "
- "stream-format = (string) hvc1, alignment = (string) au; "
- "video/x-h265, "
- "stream-format = (string) hev1, alignment = (string) au; " */
- "video/x-h265, "
- "stream-format = (string) byte-stream, alignment = (string) { nal, au }")
- );
-
-static GstStaticPadTemplate gst_rtp_h265_depay_sink_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("application/x-rtp, "
- "media = (string) \"video\", "
- "clock-rate = (int) 90000, " "encoding-name = (string) \"H265\"")
- /** optional parameters **/
- /* "profile-space = (int) [ 0, 3 ], " */
- /* "profile-id = (int) [ 0, 31 ], " */
- /* "tier-flag = (int) [ 0, 1 ], " */
- /* "level-id = (int) [ 0, 255 ], " */
- /* "interop-constraints = (string) ANY, " */
- /* "profile-compatibility-indicator = (string) ANY, " */
- /* "sprop-sub-layer-id = (int) [ 0, 6 ], " */
- /* "recv-sub-layer-id = (int) [ 0, 6 ], " */
- /* "max-recv-level-id = (int) [ 0, 255 ], " */
- /* "tx-mode = (string) {MST , SST}, " */
- /* "sprop-vps = (string) ANY, " */
- /* "sprop-sps = (string) ANY, " */
- /* "sprop-pps = (string) ANY, " */
- /* "sprop-sei = (string) ANY, " */
- /* "max-lsr = (int) ANY, " *//* MUST be in the range of MaxLumaSR to 16 * MaxLumaSR, inclusive */
- /* "max-lps = (int) ANY, " *//* MUST be in the range of MaxLumaPS to 16 * MaxLumaPS, inclusive */
- /* "max-cpb = (int) ANY, " *//* MUST be in the range of MaxCPB to 16 * MaxCPB, inclusive */
- /* "max-dpb = (int) [1, 16], " */
- /* "max-br = (int) ANY, " *//* MUST be in the range of MaxBR to 16 * MaxBR, inclusive, for the highest level */
- /* "max-tr = (int) ANY, " *//* MUST be in the range of MaxTileRows to 16 * MaxTileRows, inclusive, for the highest level */
- /* "max-tc = (int) ANY, " *//* MUST be in the range of MaxTileCols to 16 * MaxTileCols, inclusive, for the highest level */
- /* "max-fps = (int) ANY, " */
- /* "sprop-max-don-diff = (int) [0, 32767], " */
- /* "sprop-depack-buf-nalus = (int) [0, 32767], " */
- /* "sprop-depack-buf-nalus = (int) [0, 4294967295], " */
- /* "depack-buf-cap = (int) [1, 4294967295], " */
- /* "sprop-segmentation-id = (int) [0, 3], " */
- /* "sprop-spatial-segmentation-idc = (string) ANY, " */
- /* "dec-parallel-cap = (string) ANY, " */
- );
-
-#define gst_rtp_h265_depay_parent_class parent_class
-G_DEFINE_TYPE (GstRtpH265Depay, gst_rtp_h265_depay,
- GST_TYPE_RTP_BASE_DEPAYLOAD);
-
-static void gst_rtp_h265_depay_finalize (GObject * object);
-
-static GstStateChangeReturn gst_rtp_h265_depay_change_state (GstElement *
- element, GstStateChange transition);
-
-static GstBuffer *gst_rtp_h265_depay_process (GstRTPBaseDepayload * depayload,
- GstRTPBuffer * rtp);
-static gboolean gst_rtp_h265_depay_setcaps (GstRTPBaseDepayload * filter,
- GstCaps * caps);
-static gboolean gst_rtp_h265_depay_handle_event (GstRTPBaseDepayload * depay,
- GstEvent * event);
-
-static void
-gst_rtp_h265_depay_class_init (GstRtpH265DepayClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
- GstRTPBaseDepayloadClass *gstrtpbasedepayload_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
- gstrtpbasedepayload_class = (GstRTPBaseDepayloadClass *) klass;
-
- gobject_class->finalize = gst_rtp_h265_depay_finalize;
-
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_rtp_h265_depay_src_template));
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_rtp_h265_depay_sink_template));
-
- gst_element_class_set_static_metadata (gstelement_class,
- "RTP H265 depayloader", "Codec/Depayloader/Network/RTP",
- "Extracts H265 video from RTP packets (draft-ietf-payload-rtp-h265-03.txt)",
- "Jurgen Slowack <jurgenslowack@gmail.com>");
- gstelement_class->change_state = gst_rtp_h265_depay_change_state;
-
- gstrtpbasedepayload_class->process_rtp_packet = gst_rtp_h265_depay_process;
- gstrtpbasedepayload_class->set_caps = gst_rtp_h265_depay_setcaps;
- gstrtpbasedepayload_class->handle_event = gst_rtp_h265_depay_handle_event;
-}
-
-static void
-gst_rtp_h265_depay_init (GstRtpH265Depay * rtph265depay)
-{
- rtph265depay->adapter = gst_adapter_new ();
- rtph265depay->picture_adapter = gst_adapter_new ();
- rtph265depay->byte_stream = DEFAULT_BYTE_STREAM;
- rtph265depay->stream_format = (gchar *) g_malloc (10);
- rtph265depay->merge = DEFAULT_ACCESS_UNIT;
- rtph265depay->vps = g_ptr_array_new_with_free_func (
- (GDestroyNotify) gst_buffer_unref);
- rtph265depay->sps = g_ptr_array_new_with_free_func (
- (GDestroyNotify) gst_buffer_unref);
- rtph265depay->pps = g_ptr_array_new_with_free_func (
- (GDestroyNotify) gst_buffer_unref);
-}
-
-static void
-gst_rtp_h265_depay_reset (GstRtpH265Depay * rtph265depay)
-{
- gst_adapter_clear (rtph265depay->adapter);
- rtph265depay->wait_start = TRUE;
- gst_adapter_clear (rtph265depay->picture_adapter);
- rtph265depay->picture_start = FALSE;
- rtph265depay->last_keyframe = FALSE;
- rtph265depay->last_ts = 0;
- rtph265depay->current_fu_type = 0;
- rtph265depay->new_codec_data = FALSE;
- g_ptr_array_set_size (rtph265depay->vps, 0);
- g_ptr_array_set_size (rtph265depay->sps, 0);
- g_ptr_array_set_size (rtph265depay->pps, 0);
-}
-
-static void
-gst_rtp_h265_depay_finalize (GObject * object)
-{
- GstRtpH265Depay *rtph265depay;
-
- rtph265depay = GST_RTP_H265_DEPAY (object);
-
- if (rtph265depay->codec_data)
- gst_buffer_unref (rtph265depay->codec_data);
-
- g_free (rtph265depay->stream_format);
-
- g_object_unref (rtph265depay->adapter);
- g_object_unref (rtph265depay->picture_adapter);
-
- g_ptr_array_free (rtph265depay->vps, TRUE);
- g_ptr_array_free (rtph265depay->sps, TRUE);
- g_ptr_array_free (rtph265depay->pps, TRUE);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static void
-gst_rtp_h265_depay_negotiate (GstRtpH265Depay * rtph265depay)
-{
- GstCaps *caps;
- gint byte_stream = -1;
- gint merge = -1;
-
- caps =
- gst_pad_get_allowed_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph265depay));
-
- GST_DEBUG_OBJECT (rtph265depay, "allowed caps: %" GST_PTR_FORMAT, caps);
-
- if (caps) {
- if (gst_caps_get_size (caps) > 0) {
- GstStructure *s = gst_caps_get_structure (caps, 0);
- const gchar *str = NULL;
-
- if ((str = gst_structure_get_string (s, "stream-format"))) {
-
- strcpy (rtph265depay->stream_format, str);
-
- if (strcmp (str, "hev1") == 0) {
- byte_stream = FALSE;
- } else if (strcmp (str, "hvc1") == 0) {
- byte_stream = FALSE;
- } else if (strcmp (str, "byte-stream") == 0) {
- byte_stream = TRUE;
- } else {
- GST_DEBUG_OBJECT (rtph265depay, "unknown stream-format: %s", str);
- }
- }
-
- if ((str = gst_structure_get_string (s, "alignment"))) {
- if (strcmp (str, "au") == 0) {
- merge = TRUE;
- } else if (strcmp (str, "nal") == 0) {
- merge = FALSE;
- } else {
- GST_DEBUG_OBJECT (rtph265depay, "unknown alignment: %s", str);
- }
- }
- }
- gst_caps_unref (caps);
- }
-
- if (byte_stream != -1) {
- GST_DEBUG_OBJECT (rtph265depay, "downstream requires byte-stream %d",
- byte_stream);
- rtph265depay->byte_stream = byte_stream;
- } else {
- GST_DEBUG_OBJECT (rtph265depay, "defaulting to byte-stream %d",
- DEFAULT_BYTE_STREAM);
- strcpy (rtph265depay->stream_format, "byte-stream");
- rtph265depay->byte_stream = DEFAULT_BYTE_STREAM;
- }
- if (merge != -1) {
- GST_DEBUG_OBJECT (rtph265depay, "downstream requires merge %d", merge);
- rtph265depay->merge = merge;
- } else {
- GST_DEBUG_OBJECT (rtph265depay, "defaulting to merge %d",
- DEFAULT_ACCESS_UNIT);
- rtph265depay->merge = DEFAULT_ACCESS_UNIT;
- }
-}
-
-/* Stolen from bad/gst/mpegtsdemux/payloader_parsers.c */
-/* variable length Exp-Golomb parsing according to H.265 spec section 9.2*/
-static gboolean
-read_golomb (GstBitReader * br, guint32 * value)
-{
- guint8 b, leading_zeros = -1;
- *value = 1;
-
- for (b = 0; !b; leading_zeros++) {
- if (!gst_bit_reader_get_bits_uint8 (br, &b, 1))
- return FALSE;
- *value *= 2;
- }
-
- *value = (*value >> 1) - 1;
- if (leading_zeros > 0) {
- guint32 tmp = 0;
- if (!gst_bit_reader_get_bits_uint32 (br, &tmp, leading_zeros))
- return FALSE;
- *value += tmp;
- }
-
- return TRUE;
-}
-
-static gboolean
-parse_sps (GstMapInfo * map, guint32 * sps_id)
-{ /* To parse seq_parameter_set_id */
- GstBitReader br = GST_BIT_READER_INIT (map->data + 15,
- map->size - 15);
-
- if (map->size < 16)
- return FALSE;
-
- if (!read_golomb (&br, sps_id))
- return FALSE;
-
- return TRUE;
-}
-
-static gboolean
-parse_pps (GstMapInfo * map, guint32 * sps_id, guint32 * pps_id)
-{ /* To parse picture_parameter_set_id */
- GstBitReader br = GST_BIT_READER_INIT (map->data + 2,
- map->size - 2);
-
- if (map->size < 3)
- return FALSE;
-
- if (!read_golomb (&br, pps_id))
- return FALSE;
- if (!read_golomb (&br, sps_id))
- return FALSE;
-
- return TRUE;
-}
-
-
-static gboolean
-gst_rtp_h265_set_src_caps (GstRtpH265Depay * rtph265depay)
-{
- gboolean res;
- GstCaps *srccaps;
-
- if (!rtph265depay->byte_stream &&
- (!rtph265depay->new_codec_data ||
- rtph265depay->vps->len == 0 || rtph265depay->sps->len == 0
- || rtph265depay->pps->len == 0))
- return TRUE;
-
- srccaps = gst_caps_new_simple ("video/x-h265",
- "stream-format", G_TYPE_STRING,
- rtph265depay->stream_format,
- "alignment", G_TYPE_STRING, rtph265depay->merge ? "au" : "nal", NULL);
-
- if (!rtph265depay->byte_stream) {
-
- GstBuffer *codec_data;
- gint i = 0;
- gint len;
- guint num_vps = rtph265depay->vps->len;
- guint num_sps = rtph265depay->sps->len;
- guint num_pps = rtph265depay->pps->len;
- GstMapInfo map, nalmap;
- guint8 *data;
- gint nl;
- guint8 num_arrays = 0;
- guint new_size;
- GstBitReader br;
- guint32 tmp;
- guint8 tmp8 = 0;
- guint32 max_sub_layers_minus1, temporal_id_nesting_flag, chroma_format_idc,
- bit_depth_luma_minus8, bit_depth_chroma_minus8,
- min_spatial_segmentation_idc;
-
- /* Fixme: Current implementation is not embedding SEI in codec_data */
-
- if (num_sps == 0)
- return FALSE;
-
- /* start with 23 bytes header */
- len = 23;
-
- num_arrays = (num_vps > 0) + (num_sps > 0) + (num_pps > 0);
- len += num_arrays;
-
- /* add size of vps, sps & pps */
- for (i = 0; i < num_vps; i++)
- len += 2 + gst_buffer_get_size (g_ptr_array_index (rtph265depay->vps, i));
- for (i = 0; i < num_sps; i++)
- len += 2 + gst_buffer_get_size (g_ptr_array_index (rtph265depay->sps, i));
- for (i = 0; i < num_pps; i++)
- len += 2 + gst_buffer_get_size (g_ptr_array_index (rtph265depay->pps, i));
-
- GST_DEBUG_OBJECT (rtph265depay,
- "constructing codec_data: num_vps =%d num_sps=%d, num_pps=%d", num_vps,
- num_sps, num_pps);
-
- codec_data = gst_buffer_new_and_alloc (len);
- g_debug ("alloc_len: %u", len);
- gst_buffer_map (codec_data, &map, GST_MAP_READWRITE);
- data = map.data;
-
- memset (data, 0, map.size);
-
- /* Parsing sps to get the info required further on */
-
- gst_buffer_map (g_ptr_array_index (rtph265depay->sps, 0), &nalmap,
- GST_MAP_READ);
-
- max_sub_layers_minus1 = ((nalmap.data[2]) >> 1) & 0x07;
- temporal_id_nesting_flag = nalmap.data[2] & 0x01;
-
- gst_bit_reader_init (&br, nalmap.data + 15, nalmap.size - 15);
-
- read_golomb (&br, &tmp); /* sps_seq_parameter_set_id */
- read_golomb (&br, &chroma_format_idc); /* chroma_format_idc */
-
- if (chroma_format_idc == 3)
-
- gst_bit_reader_get_bits_uint8 (&br, &tmp8, 1); /* separate_colour_plane_flag */
-
- read_golomb (&br, &tmp); /* pic_width_in_luma_samples */
- read_golomb (&br, &tmp); /* pic_height_in_luma_samples */
-
- gst_bit_reader_get_bits_uint8 (&br, &tmp8, 1); /* conformance_window_flag */
- if (tmp8) {
- read_golomb (&br, &tmp); /* conf_win_left_offset */
- read_golomb (&br, &tmp); /* conf_win_right_offset */
- read_golomb (&br, &tmp); /* conf_win_top_offset */
- read_golomb (&br, &tmp); /* conf_win_bottom_offset */
- }
-
- read_golomb (&br, &bit_depth_luma_minus8); /* bit_depth_luma_minus8 */
- read_golomb (&br, &bit_depth_chroma_minus8); /* bit_depth_chroma_minus8 */
-
- GST_DEBUG_OBJECT (rtph265depay,
- "Ignoring min_spatial_segmentation for now (assuming zero)");
-
- min_spatial_segmentation_idc = 0; /* NOTE - we ignore this for now, but in a perfect world, we should continue parsing to obtain the real value */
-
- nl = nalmap.size;
-
- gst_buffer_unmap (g_ptr_array_index (rtph265depay->sps, 0), &nalmap);
-
- /* HEVCDecoderConfigurationVersion = 1 */
- data[0] = 1;
-
- /* Copy from profile_tier_level (Rec. ITU-T H.265 (04/2013) section 7.3.3
- *
- * profile_space | tier_flat | profile_idc |
- * profile_compatibility_flags | constraint_indicator_flags |
- * level_idc | progressive_source_flag | interlaced_source_flag
- * non_packed_constraint_flag | frame_only_constraint_flag
- * reserved_zero_44bits | level_idc */
- gst_buffer_map (g_ptr_array_index (rtph265depay->sps, 0), &nalmap,
- GST_MAP_READ);
- for (i = 0; i < 12; i++)
- data[i + 1] = nalmap.data[i];
- gst_buffer_unmap (g_ptr_array_index (rtph265depay->sps, 0), &nalmap);
-
- /* min_spatial_segmentation_idc */
- GST_WRITE_UINT16_BE (data + 13, min_spatial_segmentation_idc);
- data[13] |= 0xf0;
- data[15] = 0xfc; /* keeping parrallelismType as zero (unknown) */
- data[16] = 0xfc | chroma_format_idc;
- data[17] = 0xf8 | bit_depth_luma_minus8;
- data[18] = 0xf8 | bit_depth_chroma_minus8;
- data[19] = 0x00; /* keep avgFrameRate as unspecified */
- data[20] = 0x00; /* keep avgFrameRate as unspecified */
- /* constFrameRate(2 bits): 0, stream may or may not be of constant framerate
- * numTemporalLayers (3 bits): number of temporal layers, value from SPS
- * TemporalIdNested (1 bit): sps_temporal_id_nesting_flag from SPS
- * lengthSizeMinusOne (2 bits): plus 1 indicates the length of the NALUnitLength */
- data[21] =
- 0x00 | ((max_sub_layers_minus1 +
- 1) << 3) | (temporal_id_nesting_flag << 2) | (nl - 1);
- GST_WRITE_UINT8 (data + 22, num_arrays); /* numOfArrays */
-
- data += 23;
-
- /* copy all VPS */
- if (num_vps > 0) {
- /* array_completeness | reserved_zero bit | nal_unit_type */
- data[0] = 0x00 | 0x20;
- data++;
-
- GST_WRITE_UINT16_BE (data, num_vps);
- data += 2;
-
- for (i = 0; i < num_vps; i++) {
- gsize nal_size =
- gst_buffer_get_size (g_ptr_array_index (rtph265depay->vps, i));
- GST_WRITE_UINT16_BE (data, nal_size);
- gst_buffer_extract (g_ptr_array_index (rtph265depay->vps, i), 0,
- data + 2, nal_size);
- data += 2 + nal_size;
- GST_DEBUG_OBJECT (rtph265depay, "Copied VPS %d of length %u", i,
- (guint) nal_size);
- }
- }
-
- /* copy all SPS */
- if (num_sps > 0) {
- /* array_completeness | reserved_zero bit | nal_unit_type */
- data[0] = 0x00 | 0x21;
- data++;
-
- GST_WRITE_UINT16_BE (data, num_sps);
- data += 2;
-
- for (i = 0; i < num_sps; i++) {
- gsize nal_size =
- gst_buffer_get_size (g_ptr_array_index (rtph265depay->sps, i));
- GST_WRITE_UINT16_BE (data, nal_size);
- gst_buffer_extract (g_ptr_array_index (rtph265depay->sps, i), 0,
- data + 2, nal_size);
- data += 2 + nal_size;
- GST_DEBUG_OBJECT (rtph265depay, "Copied SPS %d of length %u", i,
- (guint) nal_size);
- }
- }
-
- /* copy all PPS */
- if (num_pps > 0) {
- /* array_completeness | reserved_zero bit | nal_unit_type */
- data[0] = 0x00 | 0x22;
- data++;
-
- GST_WRITE_UINT16_BE (data, num_pps);
- data += 2;
-
- for (i = 0; i < num_pps; i++) {
- gsize nal_size =
- gst_buffer_get_size (g_ptr_array_index (rtph265depay->pps, i));
- GST_WRITE_UINT16_BE (data, nal_size);
- gst_buffer_extract (g_ptr_array_index (rtph265depay->pps, i), 0,
- data + 2, nal_size);
- data += 2 + nal_size;
- GST_DEBUG_OBJECT (rtph265depay, "Copied PPS %d of length %u", i,
- (guint) nal_size);
- }
- }
-
- new_size = data - map.data;
- gst_buffer_unmap (codec_data, &map);
- gst_buffer_set_size (codec_data, new_size);
-
- gst_caps_set_simple (srccaps,
- "codec_data", GST_TYPE_BUFFER, codec_data, NULL);
- gst_buffer_unref (codec_data);
- }
-
- if (gst_pad_has_current_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph265depay))) {
- GstCaps *old_caps =
- gst_pad_get_current_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph265depay));
-
- /* Only update the caps if they are not equal. For
- * AVC we don't update caps if only the codec_data
- * changes. This is the same behaviour as in h264parse
- * and gstrtph264depay
- */
- if (rtph265depay->byte_stream) {
- if (!gst_caps_is_equal (srccaps, old_caps))
- res =
- gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph265depay),
- srccaps);
- else
- res = TRUE;
- } else {
- GstCaps *tmp_caps = gst_caps_copy (srccaps);
- GstStructure *old_s, *tmp_s;
-
- old_s = gst_caps_get_structure (old_caps, 0);
- tmp_s = gst_caps_get_structure (tmp_caps, 0);
- if (gst_structure_has_field (old_s, "codec_data"))
- gst_structure_set_value (tmp_s, "codec_data",
- gst_structure_get_value (old_s, "codec_data"));
-
- if (!gst_caps_is_equal (old_caps, tmp_caps))
- res =
- gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph265depay),
- srccaps);
- else
- res = TRUE;
-
- gst_caps_unref (tmp_caps);
- }
- } else {
- res =
- gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph265depay),
- srccaps);
- }
-
- gst_caps_unref (srccaps);
-
- /* Insert SPS and PPS into the stream on next opportunity */
- if (rtph265depay->sps->len > 0 || rtph265depay->pps->len > 0) {
- gint i;
- GstBuffer *codec_data;
- GstMapInfo map;
- guint8 *data;
- guint len = 0;
-
- for (i = 0; i < rtph265depay->sps->len; i++) {
- len += 4 + gst_buffer_get_size (g_ptr_array_index (rtph265depay->sps, i));
- }
-
- for (i = 0; i < rtph265depay->pps->len; i++) {
- len += 4 + gst_buffer_get_size (g_ptr_array_index (rtph265depay->pps, i));
- }
-
- codec_data = gst_buffer_new_and_alloc (len);
- gst_buffer_map (codec_data, &map, GST_MAP_WRITE);
- data = map.data;
-
- for (i = 0; i < rtph265depay->sps->len; i++) {
- GstBuffer *sps_buf = g_ptr_array_index (rtph265depay->sps, i);
- guint sps_size = gst_buffer_get_size (sps_buf);
-
- if (rtph265depay->byte_stream)
- memcpy (data, sync_bytes, sizeof (sync_bytes));
- else
- GST_WRITE_UINT32_BE (data, sps_size);
- gst_buffer_extract (sps_buf, 0, data + 4, -1);
- data += 4 + sps_size;
- }
-
- for (i = 0; i < rtph265depay->pps->len; i++) {
- GstBuffer *pps_buf = g_ptr_array_index (rtph265depay->pps, i);
- guint pps_size = gst_buffer_get_size (pps_buf);
-
- if (rtph265depay->byte_stream)
- memcpy (data, sync_bytes, sizeof (sync_bytes));
- else
- GST_WRITE_UINT32_BE (data, pps_size);
- gst_buffer_extract (pps_buf, 0, data + 4, -1);
- data += 4 + pps_size;
- }
-
- gst_buffer_unmap (codec_data, &map);
- if (rtph265depay->codec_data)
- gst_buffer_unref (rtph265depay->codec_data);
- rtph265depay->codec_data = codec_data;
- }
-
- if (res)
- rtph265depay->new_codec_data = FALSE;
-
- return res;
-}
-
-gboolean
-gst_rtp_h265_add_vps_sps_pps (GstElement * rtph265, GPtrArray * vps_array,
- GPtrArray * sps_array, GPtrArray * pps_array, GstBuffer * nal)
-{
- GstMapInfo map;
- guchar type;
- guint i;
-
- gst_buffer_map (nal, &map, GST_MAP_READ);
-
- type = (map.data[0] >> 1) & 0x3f;
-
- if (type == GST_H265_VPS_NUT) {
- guint32 vps_id = (map.data[2] >> 4) & 0x0f;
-
- for (i = 0; i < vps_array->len; i++) {
- GstBuffer *vps = g_ptr_array_index (vps_array, i);
- GstMapInfo vpsmap;
- guint32 tmp_vps_id;
-
- gst_buffer_map (vps, &vpsmap, GST_MAP_READ);
- tmp_vps_id = (vpsmap.data[2] >> 4) & 0x0f;
-
- if (vps_id == tmp_vps_id) {
- if (map.size == vpsmap.size &&
- memcmp (map.data, vpsmap.data, vpsmap.size) == 0) {
- GST_LOG_OBJECT (rtph265, "Unchanged VPS %u, not updating", vps_id);
- gst_buffer_unmap (vps, &vpsmap);
- goto drop;
- } else {
- gst_buffer_unmap (vps, &vpsmap);
- g_ptr_array_remove_index_fast (vps_array, i);
- g_ptr_array_add (vps_array, nal);
- GST_LOG_OBJECT (rtph265, "Modified VPS %u, replacing", vps_id);
- goto done;
- }
- }
- gst_buffer_unmap (vps, &vpsmap);
- }
- GST_LOG_OBJECT (rtph265, "Adding new VPS %u", vps_id);
- g_ptr_array_add (vps_array, nal);
- } else if (type == GST_H265_SPS_NUT) {
- guint32 sps_id;
-
- if (!parse_sps (&map, &sps_id)) {
- GST_WARNING_OBJECT (rtph265, "Invalid SPS,"
- " can't parse seq_parameter_set_id");
- goto drop;
- }
-
- for (i = 0; i < sps_array->len; i++) {
- GstBuffer *sps = g_ptr_array_index (sps_array, i);
- GstMapInfo spsmap;
- guint32 tmp_sps_id;
-
- gst_buffer_map (sps, &spsmap, GST_MAP_READ);
- parse_sps (&spsmap, &tmp_sps_id);
-
- if (sps_id == tmp_sps_id) {
- if (map.size == spsmap.size &&
- memcmp (map.data, spsmap.data, spsmap.size) == 0) {
- GST_LOG_OBJECT (rtph265, "Unchanged SPS %u, not updating", sps_id);
- gst_buffer_unmap (sps, &spsmap);
- goto drop;
- } else {
- gst_buffer_unmap (sps, &spsmap);
- g_ptr_array_remove_index_fast (sps_array, i);
- g_ptr_array_add (sps_array, nal);
- GST_LOG_OBJECT (rtph265, "Modified SPS %u, replacing", sps_id);
- goto done;
- }
- }
- gst_buffer_unmap (sps, &spsmap);
- }
- GST_LOG_OBJECT (rtph265, "Adding new SPS %u", sps_id);
- g_ptr_array_add (sps_array, nal);
- } else if (type == GST_H265_PPS_NUT) {
- guint32 sps_id;
- guint32 pps_id;
-
- if (!parse_pps (&map, &sps_id, &pps_id)) {
- GST_WARNING_OBJECT (rtph265, "Invalid PPS,"
- " can't parse seq_parameter_set_id or pic_parameter_set_id");
- goto drop;
- }
-
- for (i = 0; i < pps_array->len; i++) {
- GstBuffer *pps = g_ptr_array_index (pps_array, i);
- GstMapInfo ppsmap;
- guint32 tmp_sps_id;
- guint32 tmp_pps_id;
-
-
- gst_buffer_map (pps, &ppsmap, GST_MAP_READ);
- parse_pps (&ppsmap, &tmp_sps_id, &tmp_pps_id);
-
- if (pps_id == tmp_pps_id) {
- if (map.size == ppsmap.size &&
- memcmp (map.data, ppsmap.data, ppsmap.size) == 0) {
- GST_LOG_OBJECT (rtph265, "Unchanged PPS %u:%u, not updating", sps_id,
- pps_id);
- gst_buffer_unmap (pps, &ppsmap);
- goto drop;
- } else {
- gst_buffer_unmap (pps, &ppsmap);
- g_ptr_array_remove_index_fast (pps_array, i);
- g_ptr_array_add (pps_array, nal);
- GST_LOG_OBJECT (rtph265, "Modified PPS %u:%u, replacing",
- sps_id, pps_id);
- goto done;
- }
- }
- gst_buffer_unmap (pps, &ppsmap);
- }
- GST_LOG_OBJECT (rtph265, "Adding new PPS %u:%i", sps_id, pps_id);
- g_ptr_array_add (pps_array, nal);
- } else {
- goto drop;
- }
-
-done:
- gst_buffer_unmap (nal, &map);
-
- return TRUE;
-
-drop:
- gst_buffer_unmap (nal, &map);
- gst_buffer_unref (nal);
-
- return FALSE;
-}
-
-
-static void
-gst_rtp_h265_depay_add_vps_sps_pps (GstRtpH265Depay * rtph265depay,
- GstBuffer * nal)
-{
- if (gst_rtp_h265_add_vps_sps_pps (GST_ELEMENT (rtph265depay),
- rtph265depay->vps, rtph265depay->sps, rtph265depay->pps, nal))
- rtph265depay->new_codec_data = TRUE;
-}
-
-static gboolean
-gst_rtp_h265_depay_setcaps (GstRTPBaseDepayload * depayload, GstCaps * caps)
-{
- gint clock_rate;
- GstStructure *structure = gst_caps_get_structure (caps, 0);
- GstRtpH265Depay *rtph265depay;
- const gchar *ps;
- GstBuffer *codec_data;
- GstMapInfo map;
- guint8 *ptr;
-
- rtph265depay = GST_RTP_H265_DEPAY (depayload);
-
- if (!gst_structure_get_int (structure, "clock-rate", &clock_rate))
- clock_rate = 90000;
- depayload->clock_rate = clock_rate;
-
- /* Base64 encoded, comma separated config NALs */
- ps = gst_structure_get_string (structure, "sprop-parameter-sets");
-
- /* negotiate with downstream w.r.t. output format and alignment */
- gst_rtp_h265_depay_negotiate (rtph265depay);
-
- if (rtph265depay->byte_stream && ps != NULL) {
- /* for bytestream we only need the parameter sets but we don't error out
- * when they are not there, we assume they are in the stream. */
- gchar **params;
- guint len, total;
- gint i;
-
- params = g_strsplit (ps, ",", 0);
-
- /* count total number of bytes in base64. Also include the sync bytes in
- * front of the params. */
- len = 0;
- for (i = 0; params[i]; i++) {
- len += strlen (params[i]);
- len += sizeof (sync_bytes);
- }
- /* we seriously overshoot the length, but it's fine. */
- codec_data = gst_buffer_new_and_alloc (len);
-
- gst_buffer_map (codec_data, &map, GST_MAP_WRITE);
- ptr = map.data;
- total = 0;
- for (i = 0; params[i]; i++) {
- guint save = 0;
- gint state = 0;
-
- GST_DEBUG_OBJECT (depayload, "decoding param %d (%s)", i, params[i]);
- memcpy (ptr, sync_bytes, sizeof (sync_bytes));
- ptr += sizeof (sync_bytes);
- len =
- g_base64_decode_step (params[i], strlen (params[i]), ptr, &state,
- &save);
- GST_DEBUG_OBJECT (depayload, "decoded %d bytes", len);
- total += len + sizeof (sync_bytes);
- ptr += len;
- }
- gst_buffer_unmap (codec_data, &map);
- gst_buffer_resize (codec_data, 0, total);
- g_strfreev (params);
-
- /* keep the codec_data, we need to send it as the first buffer. We cannot
- * push it in the adapter because the adapter might be flushed on discont.
- */
- if (rtph265depay->codec_data)
- gst_buffer_unref (rtph265depay->codec_data);
- rtph265depay->codec_data = codec_data;
- } else if (!rtph265depay->byte_stream) {
- gchar **params;
- gint i;
-
- if (ps == NULL)
- goto incomplete_caps;
-
- params = g_strsplit (ps, ",", 0);
-
- GST_DEBUG_OBJECT (depayload, "we have %d params", g_strv_length (params));
-
- /* start with 23 bytes header */
- for (i = 0; params[i]; i++) {
- GstBuffer *nal;
- GstMapInfo nalmap;
- gsize nal_len;
- guint save = 0;
- gint state = 0;
-
- nal_len = strlen (params[i]);
- nal = gst_buffer_new_and_alloc (nal_len);
- gst_buffer_map (nal, &nalmap, GST_MAP_READWRITE);
-
- nal_len =
- g_base64_decode_step (params[i], nal_len, nalmap.data, &state, &save);
-
- GST_DEBUG_OBJECT (depayload, "adding param %d as %s", i,
- (((nalmap.data[0] >> 1) & 0x3f) ==
- 32) ? "VPS" : (((nalmap.data[0] >> 1) & 0x3f) ==
- 33) ? "SPS" : "PPS");
-
- gst_buffer_unmap (nal, &nalmap);
- gst_buffer_set_size (nal, nal_len);
-
- gst_rtp_h265_depay_add_vps_sps_pps (rtph265depay, nal);
- }
- g_strfreev (params);
-
- if (rtph265depay->sps->len == 0 || rtph265depay->pps->len == 0)
- goto incomplete_caps;
- }
-
- return gst_rtp_h265_set_src_caps (rtph265depay);
-
- /* ERRORS */
-incomplete_caps:
- {
- GST_DEBUG_OBJECT (depayload, "we have incomplete caps,"
- " doing setcaps later");
- return TRUE;
- }
-}
-
-static GstBuffer *
-gst_rtp_h265_complete_au (GstRtpH265Depay * rtph265depay,
- GstClockTime * out_timestamp, gboolean * out_keyframe)
-{
- guint outsize;
- GstBuffer *outbuf;
-
- /* we had a picture in the adapter and we completed it */
- GST_DEBUG_OBJECT (rtph265depay, "taking completed AU");
- outsize = gst_adapter_available (rtph265depay->picture_adapter);
- outbuf = gst_adapter_take_buffer (rtph265depay->picture_adapter, outsize);
-
- *out_timestamp = rtph265depay->last_ts;
- *out_keyframe = rtph265depay->last_keyframe;
-
- rtph265depay->last_keyframe = FALSE;
- rtph265depay->picture_start = FALSE;
-
- return outbuf;
-}
-
-/* VPS/SPS/PPS/RADL/TSA/RASL/IDR/CRA is considered key, all others DELTA;
- * so downstream waiting for keyframe can pick up at VPS/SPS/PPS/IDR */
-
-#define NAL_TYPE_IS_PARAMETER_SET(nt) ( ((nt) == GST_H265_VPS_NUT)\
- || ((nt) == GST_H265_SPS_NUT)\
- || ((nt) == GST_H265_PPS_NUT) )
-
-#define NAL_TYPE_IS_CODED_SLICE_SEGMENT(nt) ( ((nt) == GST_H265_NAL_SLICE_TRAIL_N)\
- || ((nt) == GST_H265_NAL_SLICE_TRAIL_R)\
- || ((nt) == GST_H265_NAL_SLICE_TSA_N)\
- || ((nt) == GST_H265_NAL_SLICE_TSA_R)\
- || ((nt) == GST_H265_NAL_SLICE_STSA_N)\
- || ((nt) == GST_H265_NAL_SLICE_STSA_R)\
- || ((nt) == GST_H265_NAL_SLICE_RASL_N)\
- || ((nt) == GST_H265_NAL_SLICE_RASL_R)\
- || ((nt) == GST_H265_NAL_SLICE_BLA_W_LP)\
- || ((nt) == GST_H265_NAL_SLICE_BLA_W_RADL)\
- || ((nt) == GST_H265_NAL_SLICE_BLA_N_LP)\
- || ((nt) == GST_H265_NAL_SLICE_IDR_W_RADL)\
- || ((nt) == GST_H265_NAL_SLICE_IDR_N_LP)\
- || ((nt) == GST_H265_NAL_SLICE_CRA_NUT) )
-
-#define NAL_TYPE_IS_KEY(nt) (NAL_TYPE_IS_PARAMETER_SET(nt) || NAL_TYPE_IS_CODED_SLICE_SEGMENT(nt))
-
-static gboolean
-foreach_metadata_copy (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
-{
- CopyMetaData *data = user_data;
- GstElement *element = data->element;
- GstBuffer *outbuf = data->outbuf;
- GQuark copy_tag = data->copy_tag;
- const GstMetaInfo *info = (*meta)->info;
- const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
-
- if (!tags || (copy_tag != 0 && g_strv_length ((gchar **) tags) == 1
- && gst_meta_api_type_has_tag (info->api, copy_tag))) {
- GstMetaTransformCopy copy_data = { FALSE, 0, -1 };
- GST_DEBUG_OBJECT (element, "copy metadata %s", g_type_name (info->api));
- /* simply copy then */
- info->transform_func (outbuf, *meta, inbuf,
- _gst_meta_transform_copy, ©_data);
- } else {
- GST_DEBUG_OBJECT (element, "not copying metadata %s",
- g_type_name (info->api));
- }
-
- return TRUE;
-}
-
-/* TODO: Should probably make copy_tag an array at some point */
-void
-gst_rtp_copy_meta (GstElement * element, GstBuffer * outbuf, GstBuffer * inbuf,
- GQuark copy_tag)
-{
- CopyMetaData data = { element, outbuf, copy_tag };
-
- gst_buffer_foreach_meta (inbuf, foreach_metadata_copy, &data);
-}
-
-static gboolean
-foreach_metadata_drop (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
-{
- DropMetaData *data = user_data;
- GstElement *element = data->element;
- GQuark keep_tag = data->keep_tag;
- const GstMetaInfo *info = (*meta)->info;
- const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
-
- if (!tags || (keep_tag != 0 && g_strv_length ((gchar **) tags) == 1
- && gst_meta_api_type_has_tag (info->api, keep_tag))) {
- GST_DEBUG_OBJECT (element, "keeping metadata %s", g_type_name (info->api));
- } else {
- GST_DEBUG_OBJECT (element, "dropping metadata %s", g_type_name (info->api));
- *meta = NULL;
- }
-
- return TRUE;
-}
-
-/* TODO: Should probably make keep_tag an array at some point */
-static void
-gst_rtp_drop_meta (GstElement * element, GstBuffer * buf, GQuark keep_tag)
-{
- DropMetaData data = { element, keep_tag };
-
- gst_buffer_foreach_meta (buf, foreach_metadata_drop, &data);
-}
-
-static GstBuffer *
-gst_rtp_h265_depay_handle_nal (GstRtpH265Depay * rtph265depay, GstBuffer * nal,
- GstClockTime in_timestamp, gboolean marker)
-{
- GstRTPBaseDepayload *depayload = GST_RTP_BASE_DEPAYLOAD (rtph265depay);
- gint nal_type;
- GstMapInfo map;
- GstBuffer *outbuf = NULL;
- GstClockTime out_timestamp;
- gboolean keyframe, out_keyframe;
-
- gst_buffer_map (nal, &map, GST_MAP_READ);
- if (G_UNLIKELY (map.size < 5))
- goto short_nal;
-
- nal_type = (map.data[4] >> 1) & 0x3f;
- GST_DEBUG_OBJECT (rtph265depay, "handle NAL type %d (RTP marker bit %d)",
- nal_type, marker);
-
- keyframe = NAL_TYPE_IS_KEY (nal_type);
-
- out_keyframe = keyframe;
- out_timestamp = in_timestamp;
-
- if (!rtph265depay->byte_stream) {
- if (NAL_TYPE_IS_PARAMETER_SET (nal_type)) {
- gst_rtp_h265_depay_add_vps_sps_pps (rtph265depay,
- gst_buffer_copy_region (nal, GST_BUFFER_COPY_ALL,
- 4, gst_buffer_get_size (nal) - 4));
- gst_buffer_unmap (nal, &map);
- gst_buffer_unref (nal);
- return NULL;
- } else if (rtph265depay->sps->len == 0 || rtph265depay->pps->len == 0) {
- /* Down push down any buffer in non-bytestream mode if the SPS/PPS haven't
- * go through yet
- */
- gst_pad_push_event (GST_RTP_BASE_DEPAYLOAD_SINKPAD (depayload),
- gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM,
- gst_structure_new ("GstForceKeyUnit",
- "all-headers", G_TYPE_BOOLEAN, TRUE, NULL)));
- gst_buffer_unmap (nal, &map);
- gst_buffer_unref (nal);
- return NULL;
- }
-
- if (rtph265depay->new_codec_data &&
- rtph265depay->sps->len > 0 && rtph265depay->pps->len > 0)
- gst_rtp_h265_set_src_caps (rtph265depay);
- }
-
- if (rtph265depay->merge) {
- gboolean start = FALSE, complete = FALSE;
-
- /* marker bit isn't mandatory so in the following code we try to detect
- * an AU boundary (see H.265 spec section 7.4.2.4.4) */
- if (!marker) {
- if (NAL_TYPE_IS_CODED_SLICE_SEGMENT (nal_type)) {
- /* A NAL unit (X) ends an access unit if the next-occurring VCL NAL unit (Y) has the high-order bit of the first byte after its NAL unit header equal to 1 */
- start = TRUE;
- if (((map.data[6] >> 7) & 0x01) == 1) {
- complete = TRUE;
- }
- } else if ((nal_type >= 32 && nal_type <= 35)
- || nal_type == 39 || (nal_type >= 41 && nal_type <= 44)
- || (nal_type >= 48 && nal_type <= 55)) {
- /* VPS, SPS, PPS, SEI, ... terminate an access unit */
- complete = TRUE;
- }
- GST_DEBUG_OBJECT (depayload, "start %d, complete %d", start, complete);
-
- if (complete && rtph265depay->picture_start)
- outbuf = gst_rtp_h265_complete_au (rtph265depay, &out_timestamp,
- &out_keyframe);
- }
- /* add to adapter */
- gst_buffer_unmap (nal, &map);
-
- GST_DEBUG_OBJECT (depayload, "adding NAL to picture adapter");
- gst_adapter_push (rtph265depay->picture_adapter, nal);
- rtph265depay->last_ts = in_timestamp;
- rtph265depay->last_keyframe |= keyframe;
- rtph265depay->picture_start |= start;
-
- if (marker)
- outbuf = gst_rtp_h265_complete_au (rtph265depay, &out_timestamp,
- &out_keyframe);
- } else {
- /* no merge, output is input nal */
- GST_DEBUG_OBJECT (depayload, "using NAL as output");
- outbuf = nal;
- gst_buffer_unmap (nal, &map);
- }
-
- if (outbuf) {
- /* prepend codec_data */
- if (rtph265depay->codec_data) {
- GST_DEBUG_OBJECT (depayload, "prepending codec_data");
- gst_rtp_copy_meta (GST_ELEMENT_CAST (rtph265depay),
- rtph265depay->codec_data, outbuf,
- g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
- outbuf = gst_buffer_append (rtph265depay->codec_data, outbuf);
- rtph265depay->codec_data = NULL;
- out_keyframe = TRUE;
- }
- outbuf = gst_buffer_make_writable (outbuf);
-
- gst_rtp_drop_meta (GST_ELEMENT_CAST (rtph265depay), outbuf,
- g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
-
- GST_BUFFER_PTS (outbuf) = out_timestamp;
-
- if (out_keyframe)
- GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
- else
- GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
- }
-
- return outbuf;
-
- /* ERRORS */
-short_nal:
- {
- GST_WARNING_OBJECT (depayload, "dropping short NAL");
- gst_buffer_unmap (nal, &map);
- gst_buffer_unref (nal);
- return NULL;
- }
-}
-
-static GstBuffer *
-gst_rtp_h265_push_fragmentation_unit (GstRtpH265Depay * rtph265depay,
- gboolean send)
-{
- guint outsize;
- GstMapInfo map;
- GstBuffer *outbuf;
-
- outsize = gst_adapter_available (rtph265depay->adapter);
- outbuf = gst_adapter_take_buffer (rtph265depay->adapter, outsize);
-
- gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
- GST_DEBUG_OBJECT (rtph265depay, "output %d bytes", outsize);
-
- if (rtph265depay->byte_stream) {
- memcpy (map.data, sync_bytes, sizeof (sync_bytes));
- } else {
- goto not_implemented;
- }
- gst_buffer_unmap (outbuf, &map);
-
- rtph265depay->current_fu_type = 0;
-
- outbuf = gst_rtp_h265_depay_handle_nal (rtph265depay, outbuf,
- rtph265depay->fu_timestamp, rtph265depay->fu_marker);
-
- if (send && outbuf) {
- gst_rtp_base_depayload_push (GST_RTP_BASE_DEPAYLOAD (rtph265depay), outbuf);
- outbuf = NULL;
- }
- return outbuf;
-
-not_implemented:
- {
- GST_ERROR_OBJECT (rtph265depay,
- ("Only bytestream format is currently supported."));
- gst_buffer_unmap (outbuf, &map);
- return NULL;
- }
-}
-
-static GstBuffer *
-gst_rtp_h265_depay_process (GstRTPBaseDepayload * depayload, GstRTPBuffer * rtp)
-{
- GstRtpH265Depay *rtph265depay;
- GstBuffer *outbuf = NULL;
- guint8 nal_unit_type;
-
- rtph265depay = GST_RTP_H265_DEPAY (depayload);
-
- /* flush remaining data on discont */
- if (GST_BUFFER_IS_DISCONT (rtp->buffer)) {
- gst_adapter_clear (rtph265depay->adapter);
- rtph265depay->wait_start = TRUE;
- rtph265depay->current_fu_type = 0;
- }
-
- {
- gint payload_len;
- guint8 *payload;
- guint header_len;
- GstMapInfo map;
- guint outsize, nalu_size;
- GstClockTime timestamp;
- gboolean marker;
- guint8 nuh_layer_id, nuh_temporal_id_plus1;
- guint8 S, E;
- guint16 nal_header;
-#if 0
- gboolean donl_present = FALSE;
-#endif
-
- timestamp = GST_BUFFER_PTS (rtp->buffer);
-
- payload_len = gst_rtp_buffer_get_payload_len (rtp);
- payload = gst_rtp_buffer_get_payload (rtp);
- marker = gst_rtp_buffer_get_marker (rtp);
-
- GST_DEBUG_OBJECT (rtph265depay, "receiving %d bytes", payload_len);
-
- if (payload_len == 0)
- goto empty_packet;
-
- /* +---------------+---------------+
- * |0|1|2|3|4|5|6|7|0|1|2|3|4|5|6|7|
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |F| Type | LayerId | TID |
- * +-------------+-----------------+
- *
- * F must be 0.
- *
- */
- nal_unit_type = (payload[0] >> 1) & 0x3f;
- nuh_layer_id = ((payload[0] & 0x01) << 5) | (payload[1] >> 3); /* should be zero for now but this could change in future HEVC extensions */
- nuh_temporal_id_plus1 = payload[1] & 0x03;
-
- /* At least two byte header with type */
- header_len = 2;
-
- GST_DEBUG_OBJECT (rtph265depay,
- "NAL header nal_unit_type %d, nuh_temporal_id_plus1 %d", nal_unit_type,
- nuh_temporal_id_plus1);
-
- GST_FIXME_OBJECT (rtph265depay, "Assuming DONL field is not present");
-
- /* FIXME - assuming DONL field is not present for now */
- /*donl_present = (tx-mode == "MST") || (sprop-max-don-diff > 0); */
-
- /* If FU unit was being processed, but the current nal is of a different
- * type. Assume that the remote payloader is buggy (didn't set the end bit
- * when the FU ended) and send out what we gathered thusfar */
- if (G_UNLIKELY (rtph265depay->current_fu_type != 0 &&
- nal_unit_type != rtph265depay->current_fu_type))
- gst_rtp_h265_push_fragmentation_unit (rtph265depay, TRUE);
-
- switch (nal_unit_type) {
- case 48:
- {
- GST_DEBUG_OBJECT (rtph265depay, "Processing aggregation packet");
-
- /* Aggregation packet (section 4.7) */
-
- /* An example of an AP packet containing two aggregation units
- without the DONL and DOND fields
-
- 0 1 2 3
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | RTP Header |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | PayloadHdr (Type=48) | NALU 1 Size |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | NALU 1 HDR | |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ NALU 1 Data |
- | . . . |
- | |
- + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | . . . | NALU 2 Size | NALU 2 HDR |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | NALU 2 HDR | |
- +-+-+-+-+-+-+-+-+ NALU 2 Data |
- | . . . |
- | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | :...OPTIONAL RTP padding |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
-
- /* strip headers */
- payload += header_len;
- payload_len -= header_len;
-
- rtph265depay->wait_start = FALSE;
-
-#if 0
- if (donl_present)
- goto not_implemented_donl_present;
-#endif
-
- while (payload_len > 2) {
-
- nalu_size = (payload[0] << 8) | payload[1];
-
- /* dont include nalu_size */
- if (nalu_size > (payload_len - 2))
- nalu_size = payload_len - 2;
-
- outsize = nalu_size + sizeof (sync_bytes);
- outbuf = gst_buffer_new_and_alloc (outsize);
-
- gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
- if (rtph265depay->byte_stream) {
- memcpy (map.data, sync_bytes, sizeof (sync_bytes));
- } else {
- goto not_implemented;
- }
-
- /* strip NALU size */
- payload += 2;
- payload_len -= 2;
-
- memcpy (map.data + sizeof (sync_bytes), payload, nalu_size);
- gst_buffer_unmap (outbuf, &map);
-
- gst_rtp_copy_meta (GST_ELEMENT_CAST (rtph265depay), outbuf,
- rtp->buffer, g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
-
- outbuf =
- gst_rtp_h265_depay_handle_nal (rtph265depay, outbuf, timestamp,
- marker);
- if (outbuf)
- gst_adapter_push (rtph265depay->adapter, outbuf);
-
- payload += nalu_size;
- payload_len -= nalu_size;
- }
-
- outsize = gst_adapter_available (rtph265depay->adapter);
- if (outsize > 0) {
- outbuf = gst_adapter_take_buffer (rtph265depay->adapter, outsize);
- outbuf =
- gst_rtp_h265_depay_handle_nal (rtph265depay, outbuf, timestamp,
- marker);
- }
- break;
- }
- case 49:
- {
- GST_DEBUG_OBJECT (rtph265depay, "Processing Fragmentation Unit");
-
- /* Fragmentation units (FUs) Section 4.8 */
-
- /* The structure of a Fragmentation Unit (FU)
- *
- * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | PayloadHdr (Type=49) | FU header | DONL (cond) |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-|
- | DONL (cond) | |
- |-+-+-+-+-+-+-+-+ |
- | FU payload |
- | |
- | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | :...OPTIONAL RTP padding |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- *
- *
- */
-
- /* strip headers */
- payload += header_len;
- payload_len -= header_len;
-
- /* processing FU header */
- S = (payload[0] & 0x80) == 0x80;
- E = (payload[0] & 0x40) == 0x40;
-
- GST_DEBUG_OBJECT (rtph265depay,
- "FU header with S %d, E %d, nal_unit_type %d", S, E,
- payload[0] & 0x3f);
-
- if (rtph265depay->wait_start && !S)
- goto waiting_start;
-
-#if 0
- if (donl_present)
- goto not_implemented_donl_present;
-#endif
-
- if (S) {
-
- GST_DEBUG_OBJECT (rtph265depay, "Start of Fragmentation Unit");
-
- /* If a new FU unit started, while still processing an older one.
- * Assume that the remote payloader is buggy (doesn't set the end
- * bit) and send out what we've gathered thusfar */
- if (G_UNLIKELY (rtph265depay->current_fu_type != 0))
- gst_rtp_h265_push_fragmentation_unit (rtph265depay, TRUE);
-
- rtph265depay->current_fu_type = nal_unit_type;
- rtph265depay->fu_timestamp = timestamp;
-
- rtph265depay->wait_start = FALSE;
-
- /* reconstruct NAL header */
- nal_header =
- ((payload[0] & 0x3f) << 9) | (nuh_layer_id << 3) |
- nuh_temporal_id_plus1;
-
- /* go back one byte so we can copy the payload + two bytes more in the front which
- * will be overwritten by the nal_header
- */
- payload -= 1;
- payload_len += 1;
-
- nalu_size = payload_len;
- outsize = nalu_size + sizeof (sync_bytes);
- outbuf = gst_buffer_new_and_alloc (outsize);
-
- gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
- memcpy (map.data + sizeof (sync_bytes), payload, nalu_size);
- map.data[sizeof (sync_bytes)] = nal_header >> 8;
- map.data[sizeof (sync_bytes) + 1] = nal_header & 0xff;
- gst_buffer_unmap (outbuf, &map);
-
- gst_rtp_copy_meta (GST_ELEMENT_CAST (rtph265depay), outbuf,
- rtp->buffer, g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
-
- GST_DEBUG_OBJECT (rtph265depay, "queueing %d bytes", outsize);
-
- /* and assemble in the adapter */
- gst_adapter_push (rtph265depay->adapter, outbuf);
- } else {
-
- GST_DEBUG_OBJECT (rtph265depay,
- "Following part of Fragmentation Unit");
-
- /* strip off FU header byte */
- payload += 1;
- payload_len -= 1;
-
- outsize = payload_len;
- outbuf = gst_buffer_new_and_alloc (outsize);
- gst_buffer_fill (outbuf, 0, payload, outsize);
-
- gst_rtp_copy_meta (GST_ELEMENT_CAST (rtph265depay), outbuf,
- rtp->buffer, g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
-
- GST_DEBUG_OBJECT (rtph265depay, "queueing %d bytes", outsize);
-
- /* and assemble in the adapter */
- gst_adapter_push (rtph265depay->adapter, outbuf);
- }
-
- outbuf = NULL;
- rtph265depay->fu_marker = marker;
-
- /* if NAL unit ends, flush the adapter */
- if (E) {
- outbuf = gst_rtp_h265_push_fragmentation_unit (rtph265depay, FALSE);
- GST_DEBUG_OBJECT (rtph265depay, "End of Fragmentation Unit");
- }
- break;
- }
- case 50:
- goto not_implemented; /* PACI packets Section 4.9 */
- default:
- {
- rtph265depay->wait_start = FALSE;
-
- /* All other cases: Single NAL unit packet Section 4.6 */
- /* the entire payload is the output buffer */
-
-#if 0
- if (donl_present)
- goto not_implemented_donl_present;
-#endif
-
- nalu_size = payload_len;
- outsize = nalu_size + sizeof (sync_bytes);
- outbuf = gst_buffer_new_and_alloc (outsize);
-
- gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
- if (rtph265depay->byte_stream) {
- memcpy (map.data, sync_bytes, sizeof (sync_bytes));
- } else {
- goto not_implemented;
- }
- memcpy (map.data + sizeof (sync_bytes), payload, nalu_size);
- gst_buffer_unmap (outbuf, &map);
-
- gst_rtp_copy_meta (GST_ELEMENT_CAST (rtph265depay), outbuf,
- rtp->buffer, g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
-
- outbuf = gst_rtp_h265_depay_handle_nal (rtph265depay, outbuf, timestamp,
- marker);
- break;
- }
- }
- }
-
- return outbuf;
-
- /* ERRORS */
-empty_packet:
- {
- GST_DEBUG_OBJECT (rtph265depay, "empty packet");
- return NULL;
- }
-waiting_start:
- {
- GST_DEBUG_OBJECT (rtph265depay, "waiting for start");
- return NULL;
- }
-#if 0
-not_implemented_donl_present:
- {
- GST_ELEMENT_ERROR (rtph265depay, STREAM, FORMAT,
- (NULL), ("DONL field present not supported yet"));
- return NULL;
- }
-#endif
-not_implemented:
- {
- GST_ELEMENT_ERROR (rtph265depay, STREAM, FORMAT,
- (NULL), ("NAL unit type %d not supported yet", nal_unit_type));
- return NULL;
- }
-}
-
-static gboolean
-gst_rtp_h265_depay_handle_event (GstRTPBaseDepayload * depay, GstEvent * event)
-{
- GstRtpH265Depay *rtph265depay;
-
- rtph265depay = GST_RTP_H265_DEPAY (depay);
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_FLUSH_STOP:
- gst_rtp_h265_depay_reset (rtph265depay);
- break;
- default:
- break;
- }
-
- return
- GST_RTP_BASE_DEPAYLOAD_CLASS (parent_class)->handle_event (depay, event);
-}
-
-static GstStateChangeReturn
-gst_rtp_h265_depay_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstRtpH265Depay *rtph265depay;
- GstStateChangeReturn ret;
-
- rtph265depay = GST_RTP_H265_DEPAY (element);
-
- switch (transition) {
- case GST_STATE_CHANGE_NULL_TO_READY:
- break;
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- gst_rtp_h265_depay_reset (rtph265depay);
- break;
- default:
- break;
- }
-
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_READY_TO_NULL:
- break;
- default:
- break;
- }
- return ret;
-}
-
-gboolean
-gst_rtp_h265_depay_plugin_init (GstPlugin * plugin)
-{
- GST_DEBUG_CATEGORY_INIT (rtph265depay_debug, "rtph265depay", 0,
- "H265 Video RTP Depayloader");
-
- return gst_element_register (plugin, "rtph265depay",
- GST_RANK_SECONDARY, GST_TYPE_RTP_H265_DEPAY);
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) <2006> Wim Taymans <wim.taymans@gmail.com>
- * Copyright (C) <2014> Jurgen Slowack <jurgenslowack@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef __GST_RTP_H265_DEPAY_H__
-#define __GST_RTP_H265_DEPAY_H__
-
-#include <gst/gst.h>
-#include <gst/base/gstadapter.h>
-#include <gst/rtp/gstrtpbasedepayload.h>
-#include <gst/codecparsers/gsth265parser.h>
-
-G_BEGIN_DECLS
-#define GST_TYPE_RTP_H265_DEPAY \
- (gst_rtp_h265_depay_get_type())
-#define GST_RTP_H265_DEPAY(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_H265_DEPAY,GstRtpH265Depay))
-#define GST_RTP_H265_DEPAY_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_H265_DEPAY,GstRtpH265DepayClass))
-#define GST_IS_RTP_H265_DEPAY(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_H265_DEPAY))
-#define GST_IS_RTP_H265_DEPAY_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_H265_DEPAY))
-typedef struct _GstRtpH265Depay GstRtpH265Depay;
-typedef struct _GstRtpH265DepayClass GstRtpH265DepayClass;
-
-#define GST_H265_VPS_NUT 32
-#define GST_H265_SPS_NUT 33
-#define GST_H265_PPS_NUT 34
-
-typedef enum
-{
- GST_H265_STREAM_FORMAT_UNKNOWN,
- GST_H265_STREAM_FORMAT_BYTESTREAM,
- GST_H265_STREAM_FORMAT_HVC1,
- GST_H265_STREAM_FORMAT_HEV1
-} GstH265StreamFormat;
-
-struct _GstRtpH265Depay
-{
- GstRTPBaseDepayload depayload;
-
- gchar *stream_format;
- gboolean byte_stream;
-
- GstBuffer *codec_data;
- GstAdapter *adapter;
- gboolean wait_start;
-
- /* nal merging */
- gboolean merge;
- GstAdapter *picture_adapter;
- gboolean picture_start;
- GstClockTime last_ts;
- gboolean last_keyframe;
-
- /* Work around broken payloaders wrt. Fragmentation Units */
- guint8 current_fu_type;
- GstClockTime fu_timestamp;
- gboolean fu_marker;
-
- /* misc */
- GPtrArray *vps;
- GPtrArray *sps;
- GPtrArray *pps;
- gboolean new_codec_data;
-};
-
-struct _GstRtpH265DepayClass
-{
- GstRTPBaseDepayloadClass parent_class;
-};
-
-typedef struct
-{
- GstElement *element;
- GstBuffer *outbuf;
- GQuark copy_tag;
-} CopyMetaData;
-
-typedef struct
-{
- GstElement *element;
- GQuark keep_tag;
-} DropMetaData;
-
-void gst_rtp_copy_meta (GstElement * element, GstBuffer *outbuf, GstBuffer *inbuf, GQuark copy_tag);
-
-GType gst_rtp_h265_depay_get_type (void);
-
-gboolean gst_rtp_h265_depay_plugin_init (GstPlugin * plugin);
-
-gboolean gst_rtp_h265_add_vps_sps_pps (GstElement * rtph265, GPtrArray * vps,
- GPtrArray * sps, GPtrArray * pps, GstBuffer * nal);
-
-G_END_DECLS
-#endif /* __GST_RTP_H265_DEPAY_H__ */
+++ /dev/null
-/* GStreamer
- * Copyright (C) <2006> Wim Taymans <wim.taymans@gmail.com>
- * Copyright (C) <2014> Jurgen Slowack <jurgenslowack@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <string.h>
-#include <stdlib.h>
-
-#include <gst/rtp/gstrtpbuffer.h>
-#include <gst/pbutils/pbutils.h>
-#include <gst/video/video.h>
-
-/* Included to not duplicate gst_rtp_h265_add_vps_sps_pps () */
-#include "gstrtph265depay.h"
-
-#include "gstrtph265pay.h"
-
-
-GST_DEBUG_CATEGORY_STATIC (rtph265pay_debug);
-#define GST_CAT_DEFAULT (rtph265pay_debug)
-
-/* references:
- *
- * Internet Draft RTP Payload Format for High Efficiency Video Coding
- *
- * draft-ietf-payload-rtp-h265-03.txt
- *
- * This draft will be replaced with an RFC, so some details may change.
- *
- */
-
-static GstStaticPadTemplate gst_rtp_h265_pay_sink_template =
- GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- /* Only bytestream format supported for now */
- /* "video/x-h265, "
- "stream-format = (string) hvc1, alignment = (string) au; "
- "video/x-h265, "
- "stream-format = (string) hev1, alignment = (string) au; " */
- "video/x-h265, "
- "stream-format = (string) byte-stream, alignment = (string) { nal, au }")
- );
-
-static GstStaticPadTemplate gst_rtp_h265_pay_src_template =
-GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("application/x-rtp, "
- "media = (string) \"video\", "
- "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
- "clock-rate = (int) 90000, " "encoding-name = (string) \"H265\"")
- /** optional parameters **/
- /* "profile-space = (int) [ 0, 3 ], " */
- /* "profile-id = (int) [ 0, 31 ], " */
- /* "tier-flag = (int) [ 0, 1 ], " */
- /* "level-id = (int) [ 0, 255 ], " */
- /* "interop-constraints = (string) ANY, " */
- /* "profile-compatibility-indicator = (string) ANY, " */
- /* "sprop-sub-layer-id = (int) [ 0, 6 ], " */
- /* "recv-sub-layer-id = (int) [ 0, 6 ], " */
- /* "max-recv-level-id = (int) [ 0, 255 ], " */
- /* "tx-mode = (string) {MST , SST}, " */
- /* "sprop-vps = (string) ANY, " */
- /* "sprop-sps = (string) ANY, " */
- /* "sprop-pps = (string) ANY, " */
- /* "sprop-sei = (string) ANY, " */
- /* "max-lsr = (int) ANY, " *//* MUST be in the range of MaxLumaSR to 16 * MaxLumaSR, inclusive */
- /* "max-lps = (int) ANY, " *//* MUST be in the range of MaxLumaPS to 16 * MaxLumaPS, inclusive */
- /* "max-cpb = (int) ANY, " *//* MUST be in the range of MaxCPB to 16 * MaxCPB, inclusive */
- /* "max-dpb = (int) [1, 16], " */
- /* "max-br = (int) ANY, " *//* MUST be in the range of MaxBR to 16 * MaxBR, inclusive, for the highest level */
- /* "max-tr = (int) ANY, " *//* MUST be in the range of MaxTileRows to 16 * MaxTileRows, inclusive, for the highest level */
- /* "max-tc = (int) ANY, " *//* MUST be in the range of MaxTileCols to 16 * MaxTileCols, inclusive, for the highest level */
- /* "max-fps = (int) ANY, " */
- /* "sprop-max-don-diff = (int) [0, 32767], " */
- /* "sprop-depack-buf-nalus = (int) [0, 32767], " */
- /* "sprop-depack-buf-nalus = (int) [0, 4294967295], " */
- /* "depack-buf-cap = (int) [1, 4294967295], " */
- /* "sprop-segmentation-id = (int) [0, 3], " */
- /* "sprop-spatial-segmentation-idc = (string) ANY, " */
- /* "dec-parallel-cap = (string) ANY, " */
- );
-
-#define DEFAULT_SPROP_PARAMETER_SETS NULL
-#define DEFAULT_CONFIG_INTERVAL 0
-
-enum
-{
- PROP_0,
- PROP_SPROP_PARAMETER_SETS,
- PROP_CONFIG_INTERVAL
-};
-
-#define IS_ACCESS_UNIT(x) (((x) > 0x00) && ((x) < 0x06))
-
-static void gst_rtp_h265_pay_finalize (GObject * object);
-
-static void gst_rtp_h265_pay_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_rtp_h265_pay_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-static GstCaps *gst_rtp_h265_pay_getcaps (GstRTPBasePayload * payload,
- GstPad * pad, GstCaps * filter);
-static gboolean gst_rtp_h265_pay_setcaps (GstRTPBasePayload * basepayload,
- GstCaps * caps);
-static GstFlowReturn gst_rtp_h265_pay_handle_buffer (GstRTPBasePayload * pad,
- GstBuffer * buffer);
-static gboolean gst_rtp_h265_pay_sink_event (GstRTPBasePayload * payload,
- GstEvent * event);
-static GstStateChangeReturn gst_rtp_h265_pay_change_state (GstElement *
- element, GstStateChange transition);
-
-#define gst_rtp_h265_pay_parent_class parent_class
-G_DEFINE_TYPE (GstRtpH265Pay, gst_rtp_h265_pay, GST_TYPE_RTP_BASE_PAYLOAD);
-
-static void
-gst_rtp_h265_pay_class_init (GstRtpH265PayClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
- GstRTPBasePayloadClass *gstrtpbasepayload_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
- gstrtpbasepayload_class = (GstRTPBasePayloadClass *) klass;
-
- gobject_class->set_property = gst_rtp_h265_pay_set_property;
- gobject_class->get_property = gst_rtp_h265_pay_get_property;
-
- g_object_class_install_property (G_OBJECT_CLASS (klass),
- PROP_SPROP_PARAMETER_SETS, g_param_spec_string ("sprop-parameter-sets",
- "sprop-parameter-sets",
- "The base64 sprop-parameter-sets to set in out caps (set to NULL to "
- "extract from stream)",
- DEFAULT_SPROP_PARAMETER_SETS,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
-
- g_object_class_install_property (G_OBJECT_CLASS (klass),
- PROP_CONFIG_INTERVAL,
- g_param_spec_int ("config-interval",
- "VPS SPS PPS Send Interval",
- "Send VPS, SPS and PPS Insertion Interval in seconds (sprop parameter sets "
- "will be multiplexed in the data stream when detected.) "
- "(0 = disabled, -1 = send with every IDR frame)",
- -1, 3600, DEFAULT_CONFIG_INTERVAL,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)
- );
-
- gobject_class->finalize = gst_rtp_h265_pay_finalize;
-
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_rtp_h265_pay_src_template));
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_rtp_h265_pay_sink_template));
-
- gst_element_class_set_static_metadata (gstelement_class, "RTP H265 payloader",
- "Codec/Payloader/Network/RTP",
- "Payload-encode H265 video into RTP packets (based on draft-ietf-payload-rtp-h265-03.txt)",
- "Jurgen Slowack <jurgenslowack@gmail.com>");
-
- gstelement_class->change_state =
- GST_DEBUG_FUNCPTR (gst_rtp_h265_pay_change_state);
-
- gstrtpbasepayload_class->get_caps = gst_rtp_h265_pay_getcaps;
- gstrtpbasepayload_class->set_caps = gst_rtp_h265_pay_setcaps;
- gstrtpbasepayload_class->handle_buffer = gst_rtp_h265_pay_handle_buffer;
- gstrtpbasepayload_class->sink_event = gst_rtp_h265_pay_sink_event;
-
- GST_DEBUG_CATEGORY_INIT (rtph265pay_debug, "rtph265pay", 0,
- "H265 RTP Payloader");
-}
-
-static void
-gst_rtp_h265_pay_init (GstRtpH265Pay * rtph265pay)
-{
- rtph265pay->queue = g_array_new (FALSE, FALSE, sizeof (guint));
- rtph265pay->profile = 0;
- rtph265pay->sps = g_ptr_array_new_with_free_func (
- (GDestroyNotify) gst_buffer_unref);
- rtph265pay->pps = g_ptr_array_new_with_free_func (
- (GDestroyNotify) gst_buffer_unref);
- rtph265pay->vps = g_ptr_array_new_with_free_func (
- (GDestroyNotify) gst_buffer_unref);
- rtph265pay->last_vps_sps_pps = -1;
- rtph265pay->vps_sps_pps_interval = DEFAULT_CONFIG_INTERVAL;
-
- rtph265pay->adapter = gst_adapter_new ();
-}
-
-static void
-gst_rtp_h265_pay_clear_vps_sps_pps (GstRtpH265Pay * rtph265pay)
-{
- g_ptr_array_set_size (rtph265pay->vps, 0);
- g_ptr_array_set_size (rtph265pay->sps, 0);
- g_ptr_array_set_size (rtph265pay->pps, 0);
-}
-
-static void
-gst_rtp_h265_pay_finalize (GObject * object)
-{
- GstRtpH265Pay *rtph265pay;
-
- rtph265pay = GST_RTP_H265_PAY (object);
-
- g_array_free (rtph265pay->queue, TRUE);
-
- g_ptr_array_free (rtph265pay->sps, TRUE);
- g_ptr_array_free (rtph265pay->pps, TRUE);
- g_ptr_array_free (rtph265pay->vps, TRUE);
-
- g_free (rtph265pay->sprop_parameter_sets);
-
- g_object_unref (rtph265pay->adapter);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static const gchar all_levels[][4] = {
- "1",
- "2",
- "2.1",
- "3",
- "3.1",
- "4",
- "4.1",
- "5",
- "5.1",
- "5.2",
- "6",
- "6.1",
- "6.2"
-};
-
-static GstCaps *
-gst_rtp_h265_pay_getcaps (GstRTPBasePayload * payload, GstPad * pad,
- GstCaps * filter)
-{
- GstCaps *template_caps;
- GstCaps *allowed_caps;
- GstCaps *caps;
- GstCaps *icaps;
- gboolean append_unrestricted;
- guint i;
-
- allowed_caps =
- gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload), NULL);
-
- if (allowed_caps == NULL)
- return NULL;
-
- template_caps =
- gst_static_pad_template_get_caps (&gst_rtp_h265_pay_sink_template);
-
- if (gst_caps_is_any (allowed_caps)) {
- caps = gst_caps_ref (template_caps);
- goto done;
- }
-
- if (gst_caps_is_empty (allowed_caps)) {
- caps = gst_caps_ref (allowed_caps);
- goto done;
- }
-
- caps = gst_caps_new_empty ();
-
- append_unrestricted = FALSE;
- for (i = 0; i < gst_caps_get_size (allowed_caps); i++) {
- GstStructure *s = gst_caps_get_structure (allowed_caps, i);
- GstStructure *new_s = gst_structure_new_empty ("video/x-h265");
- const gchar *profile_level_id;
-
- profile_level_id = gst_structure_get_string (s, "profile-level-id");
-
- if (profile_level_id && strlen (profile_level_id) == 6) { /* Code taken from gstrtph264pay.c, needs to be revised for H.265 */
- const gchar *profile;
- const gchar *level;
- long int spsint;
- guint8 sps[3];
-
- spsint = strtol (profile_level_id, NULL, 16);
- sps[0] = spsint >> 16;
- sps[1] = spsint >> 8;
- sps[2] = spsint;
-
- profile = gst_codec_utils_h265_get_profile (sps, 3);
- level = gst_codec_utils_h265_get_level (sps, 3);
-
- if (profile && level) {
- GST_LOG_OBJECT (payload, "In caps, have profile %s and level %s",
- profile, level);
-
- if (!strcmp (profile, "main"))
- gst_structure_set (new_s, "profile", G_TYPE_STRING, profile, NULL);
- else {
- GValue val = { 0, };
- GValue profiles = { 0, };
-
- g_value_init (&profiles, GST_TYPE_LIST);
- g_value_init (&val, G_TYPE_STRING);
-
- g_value_set_static_string (&val, profile);
- gst_value_list_append_value (&profiles, &val);
-
- g_value_set_static_string (&val, "main");
- gst_value_list_append_value (&profiles, &val);
-
- gst_structure_take_value (new_s, "profile", &profiles);
- }
-
- if (!strcmp (level, "1"))
- gst_structure_set (new_s, "level", G_TYPE_STRING, level, NULL);
- else {
- GValue levels = { 0, };
- GValue val = { 0, };
- int j;
-
- g_value_init (&levels, GST_TYPE_LIST);
- g_value_init (&val, G_TYPE_STRING);
-
- for (j = 0; j < G_N_ELEMENTS (all_levels); j++) {
- g_value_set_static_string (&val, all_levels[j]);
- gst_value_list_prepend_value (&levels, &val);
- if (!strcmp (level, all_levels[j]))
- break;
- }
- gst_structure_take_value (new_s, "level", &levels);
- }
- } else {
- /* Invalid profile-level-id means main */
-
- gst_structure_set (new_s, "profile", G_TYPE_STRING, "main", NULL);
- }
- } else {
- /* No profile-level-id means main or unrestricted */
-
- gst_structure_set (new_s, "profile", G_TYPE_STRING, "main", NULL);
- append_unrestricted = TRUE;
- }
-
- caps = gst_caps_merge_structure (caps, new_s);
- }
-
- if (append_unrestricted) {
- caps =
- gst_caps_merge_structure (caps, gst_structure_new ("video/x-h265", NULL,
- NULL));
- }
-
- icaps = gst_caps_intersect (caps, template_caps);
- gst_caps_unref (caps);
- caps = icaps;
-
-done:
-
- gst_caps_unref (template_caps);
- gst_caps_unref (allowed_caps);
-
- GST_LOG_OBJECT (payload, "returning caps %" GST_PTR_FORMAT, caps);
- return caps;
-}
-
-/* take the currently configured VPS, SPS and PPS lists and set them on the caps as
- * sprop-parameter-sets */
-static gboolean
-gst_rtp_h265_pay_set_vps_sps_pps (GstRTPBasePayload * basepayload)
-{
- GstRtpH265Pay *payloader = GST_RTP_H265_PAY (basepayload);
- gchar *profile;
- gchar *set;
- GString *sprops;
- guint count;
- gboolean res;
- GstMapInfo map;
- guint i;
-
- sprops = g_string_new ("");
- count = 0;
-
- GST_DEBUG_OBJECT (payloader,
- "Entering function gst_rtp_h265_pay_set_vps_sps_pps");
-
- /* build the sprop-parameter-sets */
- for (i = 0; i < payloader->vps->len; i++) {
- GstBuffer *vps_buf =
- GST_BUFFER_CAST (g_ptr_array_index (payloader->vps, i));
-
- gst_buffer_map (vps_buf, &map, GST_MAP_READ);
- set = g_base64_encode (map.data, map.size);
- gst_buffer_unmap (vps_buf, &map);
-
- g_string_append_printf (sprops, "%s%s", count ? "," : "", set);
- g_free (set);
- count++;
- }
- for (i = 0; i < payloader->sps->len; i++) {
- GstBuffer *sps_buf =
- GST_BUFFER_CAST (g_ptr_array_index (payloader->sps, i));
-
- gst_buffer_map (sps_buf, &map, GST_MAP_READ);
- set = g_base64_encode (map.data, map.size);
- gst_buffer_unmap (sps_buf, &map);
-
- g_string_append_printf (sprops, "%s%s", count ? "," : "", set);
- g_free (set);
- count++;
- }
- for (i = 0; i < payloader->pps->len; i++) {
- GstBuffer *pps_buf =
- GST_BUFFER_CAST (g_ptr_array_index (payloader->pps, i));
-
- gst_buffer_map (pps_buf, &map, GST_MAP_READ);
- set = g_base64_encode (map.data, map.size);
- gst_buffer_unmap (pps_buf, &map);
-
- g_string_append_printf (sprops, "%s%s", count ? "," : "", set);
- g_free (set);
- count++;
- }
-
- if (G_LIKELY (count)) {
- /* profile is 24 bit. Force it to respect the limit */
- profile = g_strdup_printf ("%06x", payloader->profile & 0xffffff);
- /* combine into output caps */
- res = gst_rtp_base_payload_set_outcaps (basepayload,
- "sprop-parameter-sets", G_TYPE_STRING, sprops->str, NULL);
- g_free (profile);
- } else {
- res = gst_rtp_base_payload_set_outcaps (basepayload, NULL);
- }
- g_string_free (sprops, TRUE);
-
- return res;
-}
-
-
-static gboolean
-gst_rtp_h265_pay_setcaps (GstRTPBasePayload * basepayload, GstCaps * caps)
-{
- GstRtpH265Pay *rtph265pay;
- GstStructure *str;
- const GValue *value;
- GstMapInfo map;
- guint8 *data;
- gsize size;
- GstBuffer *buffer;
- const gchar *alignment, *stream_format;
- guint8 num_arrays;
-
- rtph265pay = GST_RTP_H265_PAY (basepayload);
-
- str = gst_caps_get_structure (caps, 0);
-
- /* we can only set the output caps when we found the sprops and profile
- * NALs */
- gst_rtp_base_payload_set_options (basepayload, "video", TRUE, "H265", 90000);
-
- rtph265pay->alignment = GST_H265_ALIGNMENT_UNKNOWN;
- alignment = gst_structure_get_string (str, "alignment");
- if (alignment) {
- if (g_str_equal (alignment, "au"))
- rtph265pay->alignment = GST_H265_ALIGNMENT_AU;
- if (g_str_equal (alignment, "nal"))
- rtph265pay->alignment = GST_H265_ALIGNMENT_NAL;
- }
-
- rtph265pay->stream_format = GST_H265_STREAM_FORMAT_UNKNOWN;
- stream_format = gst_structure_get_string (str, "stream-format");
- if (stream_format) {
- if (g_str_equal (stream_format, "hvc1"))
- rtph265pay->stream_format = GST_H265_STREAM_FORMAT_HVC1;
- if (g_str_equal (stream_format, "hev1"))
- rtph265pay->stream_format = GST_H265_STREAM_FORMAT_HEV1;
- if (g_str_equal (stream_format, "byte-stream"))
- rtph265pay->stream_format = GST_H265_STREAM_FORMAT_BYTESTREAM;
- }
-
- /* packetized HEVC video has a codec_data */
- if ((value = gst_structure_get_value (str, "codec_data"))) {
- guint num_vps, num_sps, num_pps;
- gint i, j, nal_size;
-
- GST_DEBUG_OBJECT (rtph265pay, "have packetized h265");
-
- buffer = gst_value_get_buffer (value);
-
- gst_buffer_map (buffer, &map, GST_MAP_READ);
- data = map.data;
- size = map.size;
-
- /* parse the hevcC data */
- if (size < 23)
- goto hevcc_too_small;
- /* HEVCDecoderConfigurationVersion (must be 1) */
- if (data[0] != 1)
- goto wrong_version;
-
- /* profile_space | tier_flag | profile_idc */
- rtph265pay->profile = data[1];
- GST_DEBUG_OBJECT (rtph265pay, "profile %06x", rtph265pay->profile);
-
- /* profile_compatibility_flags */
- for (i = 2; i < 6; i++) {
- for (j = 7; j >= 0; j--) {
- GST_DEBUG_OBJECT (rtph265pay, "profile_compatibility_flag %06x",
- (data[i] >> j) & 1);
- }
- }
-
- GST_DEBUG_OBJECT (rtph265pay, "progressive_source_flag %06x",
- (data[6] >> 7) & 1);
- GST_DEBUG_OBJECT (rtph265pay, "interlaced_source_flag %06x",
- (data[6] >> 6) & 1);
- GST_DEBUG_OBJECT (rtph265pay, "non_packed_constraint_flag %06x",
- (data[6] >> 5) & 1);
- GST_DEBUG_OBJECT (rtph265pay, "frame_only_constraint_flag %06x",
- (data[6] >> 4) & 1);
-
- GST_DEBUG_OBJECT (rtph265pay, "level_idc %06x", data[12]);
-
- GST_DEBUG_OBJECT (rtph265pay, "min_spatial_segmentation_idc %06x",
- ((data[13] ^ 0xf0) << 8) + data[14]);
- GST_DEBUG_OBJECT (rtph265pay, "parrallelismType %06x (ignored by paloader)",
- data[15]);
-
- GST_DEBUG_OBJECT (rtph265pay, "sps_chroma_format_idc %06x",
- data[16] ^ 0xfc);
- GST_DEBUG_OBJECT (rtph265pay, "bit_depth_luma_minus8 %06x",
- data[17] ^ 0xf8);
- GST_DEBUG_OBJECT (rtph265pay, "bit_depth_chroma_minus8 %06x",
- data[18] ^ 0xf8);
- GST_DEBUG_OBJECT (rtph265pay, "avgFrameRate %06x", data[19]);
- GST_DEBUG_OBJECT (rtph265pay, "avgFrameRate %06x", data[20]);
-
- /* constFrameRate(2 bits): 0, stream may or may not be of constant framerate
- * numTemporalLayers (3 bits): number of temporal layers, value from SPS
- * TemporalIdNested (1 bit): sps_temporal_id_nesting_flag from SPS
- * lengthSizeMinusOne (2 bits): plus 1 indicates the length of the NALUnitLength */
- GST_DEBUG_OBJECT (rtph265pay, "constFrameRate %06x",
- (data[21] >> 6) & 0x03);
- GST_DEBUG_OBJECT (rtph265pay, "numTemporalLayers %06x",
- (data[21] >> 3) & 0x07);
- GST_DEBUG_OBJECT (rtph265pay, "temporal_id_nesting_flag %06x",
- (data[21] >> 2) & 0x01);
-
- rtph265pay->nal_length_size = (data[21] & 0x3) + 1;
- GST_DEBUG_OBJECT (rtph265pay, "nal length %u", rtph265pay->nal_length_size);
-
- num_arrays = GST_READ_UINT8 (data + 22);
-
- data += 23;
- size -= 23;
-
- if (num_arrays > 0) {
- if (data[0] == (0x00 | 0x20)) { /* VPS */
-
- data++;
- num_vps = data[0] << 8 | data[1];
- data += 2;
- size -= 2;
-
- for (i = 0; i < num_vps; i++) {
-
- GstBuffer *vps_buf;
-
- if (size < 2)
- goto hevcc_error;
-
- nal_size = (data[0] << 8) | data[1];
- data += 2;
- size -= 2;
-
- GST_LOG_OBJECT (rtph265pay, "VPS %d size %d", i, nal_size);
-
- if (size < nal_size)
- goto hevcc_error;
-
- /* make a buffer out of it and add to VPS list */
- vps_buf = gst_buffer_new_and_alloc (nal_size);
- gst_buffer_fill (vps_buf, 0, data, nal_size);
- gst_rtp_h265_add_vps_sps_pps (GST_ELEMENT (rtph265pay),
- rtph265pay->vps, rtph265pay->sps, rtph265pay->pps, vps_buf);
- data += nal_size;
- size -= nal_size;
- }
- }
-
- --num_arrays;
- }
-
- if (num_arrays > 0) {
- if (data[0] == (0x00 | 0x21)) { /* SPS */
-
- data++;
- num_sps = data[0] << 8 | data[1];
- data += 2;
- size -= 2;
-
- for (i = 0; i < num_sps; i++) {
-
- GstBuffer *sps_buf;
-
- if (size < 2)
- goto hevcc_error;
-
- nal_size = (data[0] << 8) | data[1];
- data += 2;
- size -= 2;
-
- GST_LOG_OBJECT (rtph265pay, "SPS %d size %d", i, nal_size);
-
- if (size < nal_size)
- goto hevcc_error;
-
- /* make a buffer out of it and add to SPS list */
- sps_buf = gst_buffer_new_and_alloc (nal_size);
- gst_buffer_fill (sps_buf, 0, data, nal_size);
- gst_rtp_h265_add_vps_sps_pps (GST_ELEMENT (rtph265pay),
- rtph265pay->vps, rtph265pay->sps, rtph265pay->pps, sps_buf);
- data += nal_size;
- size -= nal_size;
- }
- }
-
- --num_arrays;
- }
-
- if (num_arrays > 0) {
- if (data[0] == (0x00 | 0x22)) { /* PPS */
-
- data++;
- num_pps = data[0] << 8 | data[1];
- data += 2;
- size -= 2;
-
- for (i = 0; i < num_pps; i++) {
-
- GstBuffer *pps_buf;
-
- if (size < 2)
- goto hevcc_error;
-
- nal_size = (data[0] << 8) | data[1];
- data += 2;
- size -= 2;
-
- GST_LOG_OBJECT (rtph265pay, "PPS %d size %d", i, nal_size);
-
- if (size < nal_size)
- goto hevcc_error;
-
- /* make a buffer out of it and add to PPS list */
- pps_buf = gst_buffer_new_and_alloc (nal_size);
- gst_buffer_fill (pps_buf, 0, data, nal_size);
- gst_rtp_h265_add_vps_sps_pps (GST_ELEMENT (rtph265pay),
- rtph265pay->vps, rtph265pay->sps, rtph265pay->pps, pps_buf);
- data += nal_size;
- size -= nal_size;
- }
- }
-
- --num_arrays;
- }
-
- /* and update the caps with the collected data */
- if (!gst_rtp_h265_pay_set_vps_sps_pps (basepayload))
- goto set_vps_sps_pps_failed;
-
- GST_DEBUG_OBJECT (rtph265pay, "Caps have been set");
-
- gst_buffer_unmap (buffer, &map);
- } else {
- GST_DEBUG_OBJECT (rtph265pay, "have bytestream h265");
- }
-
- return TRUE;
-
-hevcc_too_small:
- {
- GST_ERROR_OBJECT (rtph265pay, "hevcC size %" G_GSIZE_FORMAT " < 7", size);
- goto error;
- }
-wrong_version:
- {
- GST_ERROR_OBJECT (rtph265pay, "wrong hevcC version");
- goto error;
- }
-hevcc_error:
- {
- GST_ERROR_OBJECT (rtph265pay, "hevcC too small ");
- goto error;
- }
-set_vps_sps_pps_failed:
- {
- GST_ERROR_OBJECT (rtph265pay, "failed to set vps/sps/pps");
- goto error;
- }
-error:
- {
- gst_buffer_unmap (buffer, &map);
- return FALSE;
- }
-}
-
-static void
-gst_rtp_h265_pay_parse_sprop_parameter_sets (GstRtpH265Pay * rtph265pay)
-{
- const gchar *ps;
- gchar **params;
- guint len;
- gint i;
- GstBuffer *buf;
-
- ps = rtph265pay->sprop_parameter_sets;
- if (ps == NULL)
- return;
-
- gst_rtp_h265_pay_clear_vps_sps_pps (rtph265pay);
-
- params = g_strsplit (ps, ",", 0);
- len = g_strv_length (params);
-
- GST_DEBUG_OBJECT (rtph265pay, "we have %d params", len);
-
- for (i = 0; params[i]; i++) {
- gsize nal_len;
- GstMapInfo map;
- guint8 *nalp;
- guint save = 0;
- gint state = 0;
-
- nal_len = strlen (params[i]);
- buf = gst_buffer_new_and_alloc (nal_len);
-
- gst_buffer_map (buf, &map, GST_MAP_WRITE);
- nalp = map.data;
- nal_len = g_base64_decode_step (params[i], nal_len, nalp, &state, &save);
- gst_buffer_unmap (buf, &map);
- gst_buffer_resize (buf, 0, nal_len);
-
- if (!nal_len) {
- gst_buffer_unref (buf);
- continue;
- }
-
- gst_rtp_h265_add_vps_sps_pps (GST_ELEMENT (rtph265pay), rtph265pay->vps,
- rtph265pay->sps, rtph265pay->pps, buf);
- }
- g_strfreev (params);
-}
-
-static guint
-next_start_code (const guint8 * data, guint size)
-{
- /* Boyer-Moore string matching algorithm, in a degenerative
- * sense because our search 'alphabet' is binary - 0 & 1 only.
- * This allow us to simplify the general BM algorithm to a very
- * simple form. */
- /* assume 1 is in the 3th byte */
- guint offset = 2;
-
- while (offset < size) {
- if (1 == data[offset]) {
- unsigned int shift = offset;
-
- if (0 == data[--shift]) {
- if (0 == data[--shift]) {
- return shift;
- }
- }
- /* The jump is always 3 because of the 1 previously matched.
- * All the 0's must be after this '1' matched at offset */
- offset += 3;
- } else if (0 == data[offset]) {
- /* maybe next byte is 1? */
- offset++;
- } else {
- /* can jump 3 bytes forward */
- offset += 3;
- }
- /* at each iteration, we rescan in a backward manner until
- * we match 0.0.1 in reverse order. Since our search string
- * has only 2 'alpabets' (i.e. 0 & 1), we know that any
- * mismatch will force us to shift a fixed number of steps */
- }
- GST_DEBUG ("Cannot find next NAL start code. returning %u", size);
-
- return size;
-}
-
-static gboolean
-gst_rtp_h265_pay_decode_nal (GstRtpH265Pay * payloader,
- const guint8 * data, guint size, GstClockTime dts, GstClockTime pts)
-{
- guint8 header, type;
- gboolean updated;
-
- /* default is no update */
- updated = FALSE;
-
- GST_DEBUG ("NAL payload len=%u", size);
-
- header = data[0];
- type = header & 0x3f;
-
- /* We record the timestamp of the last SPS/PPS so
- * that we can insert them at regular intervals and when needed. */
- if (GST_H265_NAL_VPS == type || GST_H265_NAL_SPS == type
- || GST_H265_NAL_PPS == type) {
- GstBuffer *nal;
-
- /* encode the entire NAL in base64 */
- GST_DEBUG ("Found %s %x %x %x Len=%u",
- type == GST_H265_NAL_VPS ? "VPS" : type ==
- GST_H265_NAL_SPS ? "SPS" : "PPS", (header >> 7), (header >> 5) & 3,
- type, size);
-
- nal = gst_buffer_new_allocate (NULL, size, NULL);
- gst_buffer_fill (nal, 0, data, size);
-
- updated = gst_rtp_h265_add_vps_sps_pps (GST_ELEMENT (payloader),
- payloader->vps, payloader->sps, payloader->pps, nal);
-
- /* remember when we last saw VPS */
- if (updated && pts != -1)
- payloader->last_vps_sps_pps = pts;
- } else {
- GST_DEBUG ("NAL: %x %x %x Len = %u", (header >> 7),
- (header >> 5) & 3, type, size);
- }
-
- return updated;
-}
-
-static GstFlowReturn
-gst_rtp_h265_pay_payload_nal (GstRTPBasePayload * basepayload,
- GstBuffer * paybuf, GstClockTime dts, GstClockTime pts, gboolean end_of_au);
-
-static GstFlowReturn
-gst_rtp_h265_pay_send_vps_sps_pps (GstRTPBasePayload * basepayload,
- GstRtpH265Pay * rtph265pay, GstClockTime dts, GstClockTime pts)
-{
- GstFlowReturn ret = GST_FLOW_OK;
- gboolean sent_all_vps_sps_pps = TRUE;
- guint i;
-
- for (i = 0; i < rtph265pay->vps->len; i++) {
- GstBuffer *vps_buf =
- GST_BUFFER_CAST (g_ptr_array_index (rtph265pay->vps, i));
-
- GST_DEBUG_OBJECT (rtph265pay, "inserting VPS in the stream");
- /* resend VPS */
- ret = gst_rtp_h265_pay_payload_nal (basepayload, gst_buffer_ref (vps_buf),
- dts, pts, FALSE);
- /* Not critical here; but throw a warning */
- if (ret != GST_FLOW_OK) {
- sent_all_vps_sps_pps = FALSE;
- GST_WARNING_OBJECT (basepayload, "Problem pushing VPS");
- }
- }
- for (i = 0; i < rtph265pay->sps->len; i++) {
- GstBuffer *sps_buf =
- GST_BUFFER_CAST (g_ptr_array_index (rtph265pay->sps, i));
-
- GST_DEBUG_OBJECT (rtph265pay, "inserting SPS in the stream");
- /* resend SPS */
- ret = gst_rtp_h265_pay_payload_nal (basepayload, gst_buffer_ref (sps_buf),
- dts, pts, FALSE);
- /* Not critical here; but throw a warning */
- if (ret != GST_FLOW_OK) {
- sent_all_vps_sps_pps = FALSE;
- GST_WARNING_OBJECT (basepayload, "Problem pushing SPS");
- }
- }
- for (i = 0; i < rtph265pay->pps->len; i++) {
- GstBuffer *pps_buf =
- GST_BUFFER_CAST (g_ptr_array_index (rtph265pay->pps, i));
-
- GST_DEBUG_OBJECT (rtph265pay, "inserting PPS in the stream");
- /* resend PPS */
- ret = gst_rtp_h265_pay_payload_nal (basepayload, gst_buffer_ref (pps_buf),
- dts, pts, FALSE);
- /* Not critical here; but throw a warning */
- if (ret != GST_FLOW_OK) {
- sent_all_vps_sps_pps = FALSE;
- GST_WARNING ("Problem pushing PPS");
- }
- }
-
- if (pts != -1 && sent_all_vps_sps_pps)
- rtph265pay->last_vps_sps_pps = pts;
-
- return ret;
-}
-
-static GstFlowReturn
-gst_rtp_h265_pay_payload_nal (GstRTPBasePayload * basepayload,
- GstBuffer * paybuf, GstClockTime dts, GstClockTime pts, gboolean end_of_au)
-{
- GstRtpH265Pay *rtph265pay;
- GstFlowReturn ret;
- guint8 nalHeader[2];
- guint8 nalType;
- guint packet_len, payload_len, mtu;
- GstBuffer *outbuf;
- guint8 *payload;
- GstBufferList *list = NULL;
- gboolean send_vps_sps_pps;
- GstRTPBuffer rtp = { NULL };
- guint size = gst_buffer_get_size (paybuf);
-
- rtph265pay = GST_RTP_H265_PAY (basepayload);
- mtu = GST_RTP_BASE_PAYLOAD_MTU (rtph265pay);
-
- gst_buffer_extract (paybuf, 0, nalHeader, 2);
- nalType = (nalHeader[0] >> 1) & 0x3f;
-
- GST_DEBUG_OBJECT (rtph265pay, "Processing Buffer with NAL TYPE=%d", nalType);
-
- /* should set src caps before pushing stuff,
- * and if we did not see enough VPS/SPS/PPS, that may not be the case */
- if (G_UNLIKELY (!gst_pad_has_current_caps (GST_RTP_BASE_PAYLOAD_SRCPAD
- (basepayload))))
- gst_rtp_h265_pay_set_vps_sps_pps (basepayload);
-
- send_vps_sps_pps = FALSE;
-
- /* check if we need to emit an VPS/SPS/PPS now */
- if ((nalType == GST_H265_NAL_SLICE_TRAIL_N)
- || (nalType == GST_H265_NAL_SLICE_TRAIL_R)
- || (nalType == GST_H265_NAL_SLICE_TSA_N)
- || (nalType == GST_H265_NAL_SLICE_TSA_R)
- || (nalType == GST_H265_NAL_SLICE_STSA_N)
- || (nalType == GST_H265_NAL_SLICE_STSA_R)
- || (nalType == GST_H265_NAL_SLICE_RASL_N)
- || (nalType == GST_H265_NAL_SLICE_RASL_R)
- || (nalType == GST_H265_NAL_SLICE_BLA_W_LP)
- || (nalType == GST_H265_NAL_SLICE_BLA_W_RADL)
- || (nalType == GST_H265_NAL_SLICE_BLA_N_LP)
- || (nalType == GST_H265_NAL_SLICE_IDR_W_RADL)
- || (nalType == GST_H265_NAL_SLICE_IDR_N_LP)
- || (nalType == GST_H265_NAL_SLICE_CRA_NUT)) {
- if (rtph265pay->vps_sps_pps_interval > 0) {
- if (rtph265pay->last_vps_sps_pps != -1) {
- guint64 diff;
-
- GST_LOG_OBJECT (rtph265pay,
- "now %" GST_TIME_FORMAT ", last VPS/SPS/PPS %" GST_TIME_FORMAT,
- GST_TIME_ARGS (pts), GST_TIME_ARGS (rtph265pay->last_vps_sps_pps));
-
- /* calculate diff between last SPS/PPS in milliseconds */
- if (pts > rtph265pay->last_vps_sps_pps)
- diff = pts - rtph265pay->last_vps_sps_pps;
- else
- diff = 0;
-
- GST_DEBUG_OBJECT (rtph265pay,
- "interval since last VPS/SPS/PPS %" GST_TIME_FORMAT,
- GST_TIME_ARGS (diff));
-
- /* bigger than interval, queue SPS/PPS */
- if (GST_TIME_AS_SECONDS (diff) >= rtph265pay->vps_sps_pps_interval) {
- GST_DEBUG_OBJECT (rtph265pay, "time to send VPS/SPS/PPS");
- send_vps_sps_pps = TRUE;
- }
- } else {
- /* no known previous SPS/PPS time, send now */
- GST_DEBUG_OBJECT (rtph265pay, "no previous VPS/SPS/PPS time, send now");
- send_vps_sps_pps = TRUE;
- }
- } else if (rtph265pay->vps_sps_pps_interval == -1) {
- GST_DEBUG_OBJECT (rtph265pay,
- "sending VPS/SPS/PPS before current IDR frame");
- /* send VPS/SPS/PPS before every IDR frame */
- send_vps_sps_pps = TRUE;
- }
- }
-
- if (send_vps_sps_pps || rtph265pay->send_vps_sps_pps) {
- /* we need to send SPS/PPS now first. FIXME, don't use the pts for
- * checking when we need to send SPS/PPS but convert to running_time first. */
- rtph265pay->send_vps_sps_pps = FALSE;
- ret = gst_rtp_h265_pay_send_vps_sps_pps (basepayload, rtph265pay, dts, pts);
- if (ret != GST_FLOW_OK) {
- gst_buffer_unref (paybuf);
- return ret;
- }
- }
-
- packet_len = gst_rtp_buffer_calc_packet_len (size, 0, 0);
-
- GST_FIXME_OBJECT (rtph265pay, "Set RTP marker bit appropriately");
-
- if (packet_len < mtu) {
- GST_DEBUG_OBJECT (rtph265pay,
- "NAL Unit fit in one packet datasize=%d mtu=%d", size, mtu);
- /* will fit in one packet */
-
- /* use buffer lists
- * create buffer without payload containing only the RTP header
- * (memory block at index 0) */
- outbuf = gst_rtp_buffer_new_allocate (0, 0, 0);
-
- gst_rtp_buffer_map (outbuf, GST_MAP_WRITE, &rtp);
-
- /* FIXME : only set the marker bit on packets containing access units */
- /* if (IS_ACCESS_UNIT (nalType) && end_of_au) {
- gst_rtp_buffer_set_marker (&rtp, 1);
- } */
-
- /* timestamp the outbuffer */
- GST_BUFFER_PTS (outbuf) = pts;
- GST_BUFFER_DTS (outbuf) = dts;
-
- /* insert payload memory block */
- gst_rtp_copy_meta (GST_ELEMENT_CAST (rtph265pay), outbuf, paybuf,
- g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
- outbuf = gst_buffer_append (outbuf, paybuf);
-
- list = gst_buffer_list_new ();
-
- /* add the buffer to the buffer list */
- gst_buffer_list_add (list, outbuf);
-
- gst_rtp_buffer_unmap (&rtp);
-
- /* push the list to the next element in the pipe */
- ret = gst_rtp_base_payload_push_list (basepayload, list);
- } else {
- /* fragmentation Units */
- guint limitedSize;
- int ii = 0, start = 1, end = 0, pos = 0;
-
- GST_DEBUG_OBJECT (basepayload,
- "NAL Unit DOES NOT fit in one packet datasize=%d mtu=%d", size, mtu);
-
- pos += 2;
- size -= 2;
-
- GST_DEBUG_OBJECT (basepayload, "Using FU fragmentation for data size=%d",
- size);
-
- /* We keep 3 bytes for PayloadHdr and FU Header */
- payload_len = gst_rtp_buffer_calc_payload_len (mtu - 3, 0, 0);
-
- list = gst_buffer_list_new ();
-
- while (end == 0) {
- limitedSize = size < payload_len ? size : payload_len;
- GST_DEBUG_OBJECT (basepayload,
- "Inside FU fragmentation limitedSize=%d iteration=%d", limitedSize,
- ii);
-
- /* use buffer lists
- * create buffer without payload containing only the RTP header
- * (memory block at index 0), and with space for PayloadHdr and FU header */
- outbuf = gst_rtp_buffer_new_allocate (3, 0, 0);
-
- gst_rtp_buffer_map (outbuf, GST_MAP_WRITE, &rtp);
-
- GST_BUFFER_DTS (outbuf) = dts;
- GST_BUFFER_PTS (outbuf) = pts;
- payload = gst_rtp_buffer_get_payload (&rtp);
-
- if (limitedSize == size) {
- GST_DEBUG_OBJECT (basepayload, "end size=%d iteration=%d", size, ii);
- end = 1;
- }
-
- /* PayloadHdr (type = 49) */
- payload[0] = (nalHeader[0] & 0x81) | (49 << 1);
- payload[1] = nalHeader[1];
-
- /* FIXME - set RTP marker bit appropriately */
- /* if (IS_ACCESS_UNIT (nalType)) {
- gst_rtp_buffer_set_marker (&rtp, end && end_of_au);
- } */
-
- /* FU Header */
- payload[2] = (start << 7) | (end << 6) | (nalType & 0x3f);
-
- gst_rtp_buffer_unmap (&rtp);
-
- /* insert payload memory block */
- gst_rtp_copy_meta (GST_ELEMENT_CAST (rtph265pay), outbuf, paybuf,
- g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
- gst_buffer_copy_into (outbuf, paybuf, GST_BUFFER_COPY_MEMORY, pos,
- limitedSize);
- /* add the buffer to the buffer list */
- gst_buffer_list_add (list, outbuf);
-
- size -= limitedSize;
- pos += limitedSize;
- ii++;
- start = 0;
- }
-
- ret = gst_rtp_base_payload_push_list (basepayload, list);
- gst_buffer_unref (paybuf);
- }
- return ret;
-}
-
-static GstFlowReturn
-gst_rtp_h265_pay_handle_buffer (GstRTPBasePayload * basepayload,
- GstBuffer * buffer)
-{
- GstRtpH265Pay *rtph265pay;
- GstFlowReturn ret;
- gsize size;
- guint nal_len, i;
- GstMapInfo map;
- const guint8 *data;
- GstClockTime dts, pts;
- GArray *nal_queue;
- gboolean hevc;
- GstBuffer *paybuf = NULL;
- gsize skip;
-
- rtph265pay = GST_RTP_H265_PAY (basepayload);
-
- /* the input buffer contains one or more NAL units */
-
- hevc = (rtph265pay->stream_format == GST_H265_STREAM_FORMAT_HEV1)
- || (rtph265pay->stream_format == GST_H265_STREAM_FORMAT_HVC1);
-
- if (hevc) {
- /* In hevc mode, there is no adapter, so nothing to flush */
- if (buffer == NULL)
- return GST_FLOW_OK;
- gst_buffer_map (buffer, &map, GST_MAP_READ);
- data = map.data;
- size = map.size;
- pts = GST_BUFFER_PTS (buffer);
- dts = GST_BUFFER_DTS (buffer);
- GST_DEBUG_OBJECT (basepayload, "got %" G_GSIZE_FORMAT " bytes", size);
- } else {
- dts = gst_adapter_prev_dts (rtph265pay->adapter, NULL);
- pts = gst_adapter_prev_pts (rtph265pay->adapter, NULL);
- if (buffer) {
- if (!GST_CLOCK_TIME_IS_VALID (dts))
- dts = GST_BUFFER_DTS (buffer);
- if (!GST_CLOCK_TIME_IS_VALID (pts))
- pts = GST_BUFFER_PTS (buffer);
-
- gst_adapter_push (rtph265pay->adapter, buffer);
- }
- size = gst_adapter_available (rtph265pay->adapter);
- /* Nothing to do here if the adapter is empty, e.g. on EOS */
- if (size == 0)
- return GST_FLOW_OK;
- data = gst_adapter_map (rtph265pay->adapter, size);
- GST_DEBUG_OBJECT (basepayload,
- "got %" G_GSIZE_FORMAT " bytes (%" G_GSIZE_FORMAT ")", size,
- buffer ? gst_buffer_get_size (buffer) : 0);
- }
-
- ret = GST_FLOW_OK;
-
- /* now loop over all NAL units and put them in a packet
- * FIXME, we should really try to pack multiple NAL units into one RTP packet
- * if we can, especially for the config packets that wont't cause decoder
- * latency. */
- if (hevc) {
- guint nal_length_size;
- gsize offset = 0;
-
- nal_length_size = rtph265pay->nal_length_size;
-
- while (size > nal_length_size) {
- gint i;
- gboolean end_of_au = FALSE;
-
- nal_len = 0;
- for (i = 0; i < nal_length_size; i++) {
- nal_len = ((nal_len << 8) + data[i]);
- }
-
- /* skip the length bytes, make sure we don't run past the buffer size */
- data += nal_length_size;
- offset += nal_length_size;
- size -= nal_length_size;
-
- if (size >= nal_len) {
- GST_DEBUG_OBJECT (basepayload, "got NAL of size %u", nal_len);
- } else {
- nal_len = size;
- GST_DEBUG_OBJECT (basepayload, "got incomplete NAL of size %u",
- nal_len);
- }
-
- /* If we're at the end of the buffer, then we're at the end of the
- * access unit
- */
- if (rtph265pay->alignment == GST_H265_ALIGNMENT_AU
- && size - nal_len <= nal_length_size) {
- end_of_au = TRUE;
- }
-
- paybuf = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, offset,
- nal_len);
-
- ret =
- gst_rtp_h265_pay_payload_nal (basepayload, paybuf, dts, pts,
- end_of_au);
- if (ret != GST_FLOW_OK)
- break;
-
- data += nal_len;
- offset += nal_len;
- size -= nal_len;
- }
- } else {
- guint next;
- gboolean update = FALSE;
-
- /* get offset of first start code */
- next = next_start_code (data, size);
-
- /* skip to start code, if no start code is found, next will be size and we
- * will not collect data. */
- data += next;
- size -= next;
- nal_queue = rtph265pay->queue;
- skip = next;
-
- /* array must be empty when we get here */
- g_assert (nal_queue->len == 0);
-
- GST_DEBUG_OBJECT (basepayload,
- "found first start at %u, bytes left %" G_GSIZE_FORMAT, next, size);
-
- /* first pass to locate NALs and parse SPS/PPS */
- while (size > 4) {
- /* skip start code */
- data += 3;
- size -= 3;
-
- /* use next_start_code() to scan buffer.
- * next_start_code() returns the offset in data,
- * starting from zero to the first byte of 0.0.0.1
- * If no start code is found, it returns the value of the
- * 'size' parameter.
- * data is unchanged by the call to next_start_code()
- */
- next = next_start_code (data, size);
-
- if (next == size && buffer != NULL) {
- /* Didn't find the start of next NAL and it's not EOS,
- * handle it next time */
- break;
- }
-
- /* nal length is distance to next start code */
- nal_len = next;
-
- GST_DEBUG_OBJECT (basepayload, "found next start at %u of size %u", next,
- nal_len);
-
- if (rtph265pay->sprop_parameter_sets != NULL) {
- /* explicitly set profile and sprop, use those */
- if (rtph265pay->update_caps) {
- if (!gst_rtp_base_payload_set_outcaps (basepayload,
- "sprop-parameter-sets", G_TYPE_STRING,
- rtph265pay->sprop_parameter_sets, NULL))
- goto caps_rejected;
-
- /* parse SPS and PPS from provided parameter set (for insertion) */
- gst_rtp_h265_pay_parse_sprop_parameter_sets (rtph265pay);
-
- rtph265pay->update_caps = FALSE;
-
- GST_DEBUG ("outcaps update: sprop-parameter-sets=%s",
- rtph265pay->sprop_parameter_sets);
- }
- } else {
- /* We know our stream is a valid H265 NAL packet,
- * go parse it for SPS/PPS to enrich the caps */
- /* order: make sure to check nal */
- update =
- gst_rtp_h265_pay_decode_nal (rtph265pay, data, nal_len, dts, pts)
- || update;
- }
- /* move to next NAL packet */
- data += nal_len;
- size -= nal_len;
-
- g_array_append_val (nal_queue, nal_len);
- }
-
- /* if has new VPS, SPS & PPS, update the output caps */
- if (G_UNLIKELY (update))
- if (!gst_rtp_h265_pay_set_vps_sps_pps (basepayload))
- goto caps_rejected;
-
- /* second pass to payload and push */
-
- if (nal_queue->len != 0)
- gst_adapter_flush (rtph265pay->adapter, skip);
-
- for (i = 0; i < nal_queue->len; i++) {
- guint size;
- gboolean end_of_au = FALSE;
-
- nal_len = g_array_index (nal_queue, guint, i);
- /* skip start code */
- gst_adapter_flush (rtph265pay->adapter, 3);
-
- /* Trim the end unless we're the last NAL in the stream.
- * In case we're not at the end of the buffer we know the next block
- * starts with 0x000001 so all the 0x00 bytes at the end of this one are
- * trailing 0x0 that can be discarded */
- size = nal_len;
- data = gst_adapter_map (rtph265pay->adapter, size);
- if (i + 1 != nal_queue->len || buffer != NULL)
- for (; size > 1 && data[size - 1] == 0x0; size--)
- /* skip */ ;
-
-
- /* If it's the last nal unit we have in non-bytestream mode, we can
- * assume it's the end of an access-unit
- *
- * FIXME: We need to wait until the next packet or EOS to
- * actually payload the NAL so we can know if the current NAL is
- * the last one of an access unit or not if we are in bytestream mode
- */
- if ((rtph265pay->alignment == GST_H265_ALIGNMENT_AU || buffer == NULL) &&
- i == nal_queue->len - 1)
- end_of_au = TRUE;
- paybuf = gst_adapter_take_buffer (rtph265pay->adapter, size);
- g_assert (paybuf);
-
- /* put the data in one or more RTP packets */
- ret =
- gst_rtp_h265_pay_payload_nal (basepayload, paybuf, dts, pts,
- end_of_au);
- if (ret != GST_FLOW_OK) {
- break;
- }
-
- /* move to next NAL packet */
- /* Skips the trailing zeros */
- gst_adapter_flush (rtph265pay->adapter, nal_len - size);
- }
- g_array_set_size (nal_queue, 0);
- }
-
-done:
- if (hevc) {
- gst_buffer_unmap (buffer, &map);
- gst_buffer_unref (buffer);
- } else {
- gst_adapter_unmap (rtph265pay->adapter);
- }
-
- return ret;
-
-caps_rejected:
- {
- GST_WARNING_OBJECT (basepayload, "Could not set outcaps");
- g_array_set_size (nal_queue, 0);
- ret = GST_FLOW_NOT_NEGOTIATED;
- goto done;
- }
-}
-
-static gboolean
-gst_rtp_h265_pay_sink_event (GstRTPBasePayload * payload, GstEvent * event)
-{
- gboolean res;
- const GstStructure *s;
- GstRtpH265Pay *rtph265pay = GST_RTP_H265_PAY (payload);
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_FLUSH_STOP:
- gst_adapter_clear (rtph265pay->adapter);
- break;
- case GST_EVENT_CUSTOM_DOWNSTREAM:
- s = gst_event_get_structure (event);
- if (gst_structure_has_name (s, "GstForceKeyUnit")) {
- gboolean resend_codec_data;
-
- if (gst_structure_get_boolean (s, "all-headers",
- &resend_codec_data) && resend_codec_data)
- rtph265pay->send_vps_sps_pps = TRUE;
- }
- break;
- case GST_EVENT_EOS:
- {
- /* call handle_buffer with NULL to flush last NAL from adapter
- * in byte-stream mode
- */
- gst_rtp_h265_pay_handle_buffer (payload, NULL);
- break;
- }
- case GST_EVENT_STREAM_START:
- GST_DEBUG_OBJECT (rtph265pay,
- "New stream detected => Clear VPS, SPS and PPS");
- gst_rtp_h265_pay_clear_vps_sps_pps (rtph265pay);
- break;
- default:
- break;
- }
-
- res = GST_RTP_BASE_PAYLOAD_CLASS (parent_class)->sink_event (payload, event);
-
- return res;
-}
-
-static GstStateChangeReturn
-gst_rtp_h265_pay_change_state (GstElement * element, GstStateChange transition)
-{
- GstStateChangeReturn ret;
- GstRtpH265Pay *rtph265pay = GST_RTP_H265_PAY (element);
-
- switch (transition) {
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- rtph265pay->send_vps_sps_pps = FALSE;
- gst_adapter_clear (rtph265pay->adapter);
- break;
- default:
- break;
- }
-
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- rtph265pay->last_vps_sps_pps = -1;
- gst_rtp_h265_pay_clear_vps_sps_pps (rtph265pay);
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-static void
-gst_rtp_h265_pay_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- GstRtpH265Pay *rtph265pay;
-
- rtph265pay = GST_RTP_H265_PAY (object);
-
- switch (prop_id) {
- case PROP_SPROP_PARAMETER_SETS:
- g_free (rtph265pay->sprop_parameter_sets);
- rtph265pay->sprop_parameter_sets = g_value_dup_string (value);
- rtph265pay->update_caps = TRUE;
- break;
- case PROP_CONFIG_INTERVAL:
- rtph265pay->vps_sps_pps_interval = g_value_get_int (value);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_rtp_h265_pay_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec)
-{
- GstRtpH265Pay *rtph265pay;
-
- rtph265pay = GST_RTP_H265_PAY (object);
-
- switch (prop_id) {
- case PROP_SPROP_PARAMETER_SETS:
- g_value_set_string (value, rtph265pay->sprop_parameter_sets);
- break;
- case PROP_CONFIG_INTERVAL:
- g_value_set_int (value, rtph265pay->vps_sps_pps_interval);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-gboolean
-gst_rtp_h265_pay_plugin_init (GstPlugin * plugin)
-{
- return gst_element_register (plugin, "rtph265pay",
- GST_RANK_SECONDARY, GST_TYPE_RTP_H265_PAY);
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) <2006> Wim Taymans <wim.taymans@gmail.com>
- * Copyright (C) <2014> Jurgen Slowack <jurgenslowack@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef __GST_RTP_H265_PAY_H__
-#define __GST_RTP_H265_PAY_H__
-
-#include <gst/gst.h>
-#include <gst/base/gstadapter.h>
-#include <gst/rtp/gstrtpbasepayload.h>
-#include <gst/codecparsers/gsth265parser.h>
-
-G_BEGIN_DECLS
-#define GST_TYPE_RTP_H265_PAY \
- (gst_rtp_h265_pay_get_type())
-#define GST_RTP_H265_PAY(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_H265_PAY,GstRtpH265Pay))
-#define GST_RTP_H265_PAY_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_H265_PAY,GstRtpH265PayClass))
-#define GST_IS_RTP_H265_PAY(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_H265_PAY))
-#define GST_IS_RTP_H265_PAY_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_H265_PAY))
-typedef struct _GstRtpH265Pay GstRtpH265Pay;
-typedef struct _GstRtpH265PayClass GstRtpH265PayClass;
-
-typedef enum
-{
- GST_H265_ALIGNMENT_UNKNOWN,
- GST_H265_ALIGNMENT_NAL,
- GST_H265_ALIGNMENT_AU
-} GstH265Alignment;
-
-struct _GstRtpH265Pay
-{
- GstRTPBasePayload payload;
-
- guint profile;
- GPtrArray *sps, *pps, *vps;
-
- GstH265StreamFormat stream_format;
- GstH265Alignment alignment;
- guint nal_length_size;
- GArray *queue;
-
- gchar *sprop_parameter_sets;
- gboolean update_caps;
-
- GstAdapter *adapter;
-
- gint vps_sps_pps_interval;
- gboolean send_vps_sps_pps;
- GstClockTime last_vps_sps_pps;
-};
-
-struct _GstRtpH265PayClass
-{
- GstRTPBasePayloadClass parent_class;
-};
-
-GType gst_rtp_h265_pay_get_type (void);
-
-gboolean gst_rtp_h265_pay_plugin_init (GstPlugin * plugin);
-
-G_END_DECLS
-#endif /* __GST_RTP_H265_PAY_H__ */
projects / platform / upstream / gstreamer.git / commitdiff