#include <gst/rtp/gstrtpbuffer.h>
#include <gst/video/video.h>
#include "gstrtph265depay.h"
+#include "gstrtputils.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_STREAM_FORMAT GST_H265_STREAM_FORMAT_BYTESTREAM
#define DEFAULT_ACCESS_UNIT FALSE
/* 3 zero bytes syncword */
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, "
+ GST_STATIC_CAPS
+ ("video/x-h265, stream-format=(string)hvc1, alignment=(string)au; "
+ /* FIXME: hev1 format is not supported yet */
+ /* "video/x-h265, "
"stream-format = (string) hev1, alignment = (string) au; " */
"video/x-h265, "
"stream-format = (string) byte-stream, alignment = (string) { nal, au }")
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) \"video\", "
"clock-rate = (int) 90000, " "encoding-name = (string) \"H265\"")
- /** optional parameters **/
+ /* optional parameters */
/* "profile-space = (int) [ 0, 3 ], " */
/* "profile-id = (int) [ 0, 31 ], " */
/* "tier-flag = (int) [ 0, 1 ], " */
GstCaps * caps);
static gboolean gst_rtp_h265_depay_handle_event (GstRTPBaseDepayload * depay,
GstEvent * event);
+static GstBuffer *gst_rtp_h265_complete_au (GstRtpH265Depay * rtph265depay,
+ GstClockTime * out_timestamp, gboolean * out_keyframe);
+static void gst_rtp_h265_depay_push (GstRtpH265Depay * rtph265depay,
+ GstBuffer * outbuf, gboolean keyframe, GstClockTime timestamp,
+ gboolean marker);
+
static void
gst_rtp_h265_depay_class_init (GstRtpH265DepayClass * 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_add_static_pad_template (gstelement_class,
+ &gst_rtp_h265_depay_src_template);
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &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)",
+ "Extracts H265 video from RTP packets (RFC 7798)",
"Jurgen Slowack <jurgenslowack@gmail.com>");
gstelement_class->change_state = gst_rtp_h265_depay_change_state;
{
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->output_format = DEFAULT_STREAM_FORMAT;
+ rtph265depay->byte_stream =
+ (DEFAULT_STREAM_FORMAT == GST_H265_STREAM_FORMAT_BYTESTREAM);
+ rtph265depay->stream_format = NULL;
rtph265depay->merge = DEFAULT_ACCESS_UNIT;
rtph265depay->vps = g_ptr_array_new_with_free_func (
(GDestroyNotify) gst_buffer_unref);
}
static void
-gst_rtp_h265_depay_reset (GstRtpH265Depay * rtph265depay)
+gst_rtp_h265_depay_reset (GstRtpH265Depay * rtph265depay, gboolean hard)
{
gst_adapter_clear (rtph265depay->adapter);
rtph265depay->wait_start = TRUE;
g_ptr_array_set_size (rtph265depay->vps, 0);
g_ptr_array_set_size (rtph265depay->sps, 0);
g_ptr_array_set_size (rtph265depay->pps, 0);
+
+ if (hard) {
+ if (rtph265depay->allocator != NULL) {
+ gst_object_unref (rtph265depay->allocator);
+ rtph265depay->allocator = NULL;
+ }
+ gst_allocation_params_init (&rtph265depay->params);
+ }
+}
+
+static void
+gst_rtp_h265_depay_drain (GstRtpH265Depay * rtph265depay)
+{
+ GstClockTime timestamp;
+ gboolean keyframe;
+ GstBuffer *outbuf;
+
+ if (!rtph265depay->picture_start)
+ return;
+
+ outbuf = gst_rtp_h265_complete_au (rtph265depay, ×tamp, &keyframe);
+ if (outbuf)
+ gst_rtp_h265_depay_push (rtph265depay, outbuf, keyframe, timestamp, FALSE);
}
static void
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_OBJECT_CLASS (parent_class)->finalize (object);
}
+static inline const gchar *
+stream_format_get_nick (GstH265StreamFormat fmt)
+{
+ switch (fmt) {
+ case GST_H265_STREAM_FORMAT_BYTESTREAM:
+ return "byte-stream";
+ case GST_H265_STREAM_FORMAT_HVC1:
+ return "hvc1";
+ case GST_H265_STREAM_FORMAT_HEV1:
+ return "hev1";
+ default:
+ break;
+ }
+ return "unknown";
+}
+
static void
gst_rtp_h265_depay_negotiate (GstRtpH265Depay * rtph265depay)
{
+ GstH265StreamFormat stream_format = GST_H265_STREAM_FORMAT_UNKNOWN;
GstCaps *caps;
- gint byte_stream = -1;
gint merge = -1;
caps =
const gchar *str = NULL;
if ((str = gst_structure_get_string (s, "stream-format"))) {
-
- strcpy (rtph265depay->stream_format, str);
+ rtph265depay->stream_format = g_intern_string (str);
if (strcmp (str, "hev1") == 0) {
- byte_stream = FALSE;
+ stream_format = GST_H265_STREAM_FORMAT_HEV1;
} else if (strcmp (str, "hvc1") == 0) {
- byte_stream = FALSE;
+ stream_format = GST_H265_STREAM_FORMAT_HVC1;
} else if (strcmp (str, "byte-stream") == 0) {
- byte_stream = TRUE;
+ stream_format = GST_H265_STREAM_FORMAT_BYTESTREAM;
} else {
GST_DEBUG_OBJECT (rtph265depay, "unknown stream-format: %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;
+ if (stream_format != GST_H265_STREAM_FORMAT_UNKNOWN) {
+ GST_DEBUG_OBJECT (rtph265depay, "downstream wants stream-format %s",
+ stream_format_get_nick (stream_format));
+ rtph265depay->output_format = stream_format;
} 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;
+ GST_DEBUG_OBJECT (rtph265depay, "defaulting to output stream-format %s",
+ stream_format_get_nick (DEFAULT_STREAM_FORMAT));
+ rtph265depay->stream_format =
+ stream_format_get_nick (DEFAULT_STREAM_FORMAT);
+ rtph265depay->output_format = DEFAULT_STREAM_FORMAT;
}
+ rtph265depay->byte_stream =
+ (rtph265depay->output_format == GST_H265_STREAM_FORMAT_BYTESTREAM);
+
if (merge != -1) {
GST_DEBUG_OBJECT (rtph265depay, "downstream requires merge %d", merge);
rtph265depay->merge = merge;
}
}
-/* 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);
+ GST_MEMDUMP ("SPS", map->data, map->size);
+
if (map->size < 16)
return FALSE;
- if (!read_golomb (&br, sps_id))
+ if (!gst_rtp_read_golomb (&br, sps_id))
return FALSE;
return TRUE;
GstBitReader br = GST_BIT_READER_INIT (map->data + 2,
map->size - 2);
+ GST_MEMDUMP ("PPS", map->data, map->size);
+
if (map->size < 3)
return FALSE;
- if (!read_golomb (&br, pps_id))
+ if (!gst_rtp_read_golomb (&br, pps_id))
return FALSE;
- if (!read_golomb (&br, sps_id))
+ if (!gst_rtp_read_golomb (&br, sps_id))
return FALSE;
return TRUE;
}
+static gboolean
+gst_rtp_h265_depay_set_output_caps (GstRtpH265Depay * rtph265depay,
+ GstCaps * caps)
+{
+ GstAllocationParams params;
+ GstAllocator *allocator = NULL;
+ GstPad *srcpad;
+ gboolean res;
+
+ gst_allocation_params_init (¶ms);
+
+ srcpad = GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph265depay);
+
+ res = gst_pad_set_caps (srcpad, caps);
+
+ if (res) {
+ GstQuery *query;
+
+ query = gst_query_new_allocation (caps, TRUE);
+ if (!gst_pad_peer_query (srcpad, query)) {
+ GST_DEBUG_OBJECT (rtph265depay, "downstream ALLOCATION query failed");
+ }
+
+ if (gst_query_get_n_allocation_params (query) > 0) {
+ gst_query_parse_nth_allocation_param (query, 0, &allocator, ¶ms);
+ }
+
+ gst_query_unref (query);
+ }
+
+ if (rtph265depay->allocator)
+ gst_object_unref (rtph265depay->allocator);
+
+ rtph265depay->allocator = allocator;
+ rtph265depay->params = params;
+
+ return res;
+}
static gboolean
gst_rtp_h265_set_src_caps (GstRtpH265Depay * rtph265depay)
{
- gboolean res;
+ gboolean res, update_caps;
+ GstCaps *old_caps;
GstCaps *srccaps;
+ GstPad *srcpad;
if (!rtph265depay->byte_stream &&
(!rtph265depay->new_codec_data ||
return TRUE;
srccaps = gst_caps_new_simple ("video/x-h265",
- "stream-format", G_TYPE_STRING,
- rtph265depay->stream_format,
+ "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_pps = rtph265depay->pps->len;
GstMapInfo map, nalmap;
guint8 *data;
- gint nl;
guint8 num_arrays = 0;
guint new_size;
GstBitReader br;
len = 23;
num_arrays = (num_vps > 0) + (num_sps > 0) + (num_pps > 0);
- len += num_arrays;
+ len += 3 * num_arrays;
/* add size of vps, sps & pps */
for (i = 0; i < num_vps; i++)
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;
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 */
+ gst_rtp_read_golomb (&br, &tmp); /* sps_seq_parameter_set_id */
+ gst_rtp_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_rtp_read_golomb (&br, &tmp); /* pic_width_in_luma_samples */
+ gst_rtp_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 */
+ gst_rtp_read_golomb (&br, &tmp); /* conf_win_left_offset */
+ gst_rtp_read_golomb (&br, &tmp); /* conf_win_right_offset */
+ gst_rtp_read_golomb (&br, &tmp); /* conf_win_top_offset */
+ gst_rtp_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_rtp_read_golomb (&br, &bit_depth_luma_minus8); /* bit_depth_luma_minus8 */
+ gst_rtp_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 */
* 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);
+ /* we always output NALs with 4-byte nal unit length markers (or sync code) */
+ data[21] = rtph265depay->byte_stream ? 0x00 : 0x03;
+ data[21] |= ((max_sub_layers_minus1 + 1) << 3);
+ data[21] |= (temporal_id_nesting_flag << 2);
GST_WRITE_UINT8 (data + 22, num_arrays); /* numOfArrays */
data += 23;
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));
+ srcpad = GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph265depay);
+
+ old_caps = gst_pad_get_current_caps (srcpad);
+ if (old_caps != NULL) {
/* Only update the caps if they are not equal. For
* AVC we don't update caps if only the codec_data
* 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;
+ update_caps = !gst_caps_is_equal (srccaps, old_caps);
} else {
GstCaps *tmp_caps = gst_caps_copy (srccaps);
GstStructure *old_s, *tmp_s;
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;
-
+ update_caps = !gst_caps_is_equal (old_caps, tmp_caps);
gst_caps_unref (tmp_caps);
}
+ gst_caps_unref (old_caps);
} else {
- res =
- gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph265depay),
- srccaps);
+ update_caps = TRUE;
+ }
+
+ if (update_caps) {
+ res = gst_rtp_h265_depay_set_output_caps (rtph265depay, srccaps);
+ } else {
+ res = TRUE;
}
gst_caps_unref (srccaps);
/* Insert SPS and PPS into the stream on next opportunity */
- if (rtph265depay->sps->len > 0 || rtph265depay->pps->len > 0) {
+ if (rtph265depay->output_format != GST_H265_STREAM_FORMAT_HVC1
+ && (rtph265depay->sps->len > 0 || rtph265depay->pps->len > 0)) {
gint i;
GstBuffer *codec_data;
GstMapInfo map;
gint clock_rate;
GstStructure *structure = gst_caps_get_structure (caps, 0);
GstRtpH265Depay *rtph265depay;
- const gchar *ps;
- GstBuffer *codec_data;
+ const gchar *vps;
+ const gchar *sps;
+ const gchar *pps;
+ gchar *ps;
GstMapInfo map;
guint8 *ptr;
depayload->clock_rate = clock_rate;
/* Base64 encoded, comma separated config NALs */
- ps = gst_structure_get_string (structure, "sprop-parameter-sets");
+ vps = gst_structure_get_string (structure, "sprop-vps");
+ sps = gst_structure_get_string (structure, "sprop-sps");
+ pps = gst_structure_get_string (structure, "sprop-pps");
+ if (vps == NULL || sps == NULL || pps == NULL) {
+ ps = NULL;
+ } else {
+ ps = g_strdup_printf ("%s,%s,%s", vps, sps, pps);
+ }
/* negotiate with downstream w.r.t. output format and alignment */
gst_rtp_h265_depay_negotiate (rtph265depay);
/* 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;
+ GstBuffer *codec_data;
guint len, total;
gint i;
gint state = 0;
nal_len = strlen (params[i]);
+ if (nal_len == 0) {
+ GST_WARNING_OBJECT (depayload, "empty param '%s' (#%d)", params[i], i);
+ continue;
+ }
nal = gst_buffer_new_and_alloc (nal_len);
gst_buffer_map (nal, &nalmap, GST_MAP_READWRITE);
}
g_strfreev (params);
- if (rtph265depay->sps->len == 0 || rtph265depay->pps->len == 0)
+ if (rtph265depay->vps->len == 0 || rtph265depay->sps->len == 0 ||
+ rtph265depay->pps->len == 0) {
goto incomplete_caps;
+ }
}
+ g_free (ps);
+
return gst_rtp_h265_set_src_caps (rtph265depay);
/* ERRORS */
{
GST_DEBUG_OBJECT (depayload, "we have incomplete caps,"
" doing setcaps later");
+ g_free (ps);
return TRUE;
}
}
static GstBuffer *
+gst_rtp_h265_depay_allocate_output_buffer (GstRtpH265Depay * depay, gsize size)
+{
+ GstBuffer *buffer = NULL;
+
+ g_return_val_if_fail (size > 0, NULL);
+
+ GST_LOG_OBJECT (depay, "want output buffer of %u bytes", (guint) size);
+
+ buffer = gst_buffer_new_allocate (depay->allocator, size, &depay->params);
+ if (buffer == NULL) {
+ GST_INFO_OBJECT (depay, "couldn't allocate output buffer");
+ buffer = gst_buffer_new_allocate (NULL, size, NULL);
+ }
+
+ return buffer;
+}
+
+static GstBuffer *
gst_rtp_h265_complete_au (GstRtpH265Depay * rtph265depay,
GstClockTime * out_timestamp, gboolean * out_keyframe)
{
- guint outsize;
+ GstBufferList *list;
+ GstMapInfo outmap;
GstBuffer *outbuf;
+ guint outsize, offset = 0;
+ gint b, n_bufs, m, n_mem;
/* 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);
+
+ outbuf = gst_rtp_h265_depay_allocate_output_buffer (rtph265depay, outsize);
+
+ if (outbuf == NULL)
+ return NULL;
+
+ if (!gst_buffer_map (outbuf, &outmap, GST_MAP_WRITE))
+ return NULL;
+
+ list = gst_adapter_take_buffer_list (rtph265depay->picture_adapter, outsize);
+
+ n_bufs = gst_buffer_list_length (list);
+ for (b = 0; b < n_bufs; ++b) {
+ GstBuffer *buf = gst_buffer_list_get (list, b);
+
+ n_mem = gst_buffer_n_memory (buf);
+ for (m = 0; m < n_mem; ++m) {
+ GstMemory *mem = gst_buffer_peek_memory (buf, m);
+ gsize mem_size = gst_memory_get_sizes (mem, NULL, NULL);
+ GstMapInfo mem_map;
+
+ if (gst_memory_map (mem, &mem_map, GST_MAP_READ)) {
+ memcpy (outmap.data + offset, mem_map.data, mem_size);
+ gst_memory_unmap (mem, &mem_map);
+ } else {
+ memset (outmap.data + offset, 0, mem_size);
+ }
+ offset += mem_size;
+ }
+
+ gst_rtp_copy_video_meta (rtph265depay, outbuf, buf);
+ }
+ gst_buffer_list_unref (list);
+ gst_buffer_unmap (outbuf, &outmap);
*out_timestamp = rtph265depay->last_ts;
*out_keyframe = rtph265depay->last_keyframe;
|| ((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))
+/* Intra random access point */
+#define NAL_TYPE_IS_IRAP(nt) (((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))
-static gboolean
-foreach_metadata_copy (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
+#define NAL_TYPE_IS_KEY(nt) (NAL_TYPE_IS_PARAMETER_SET(nt) || NAL_TYPE_IS_IRAP(nt))
+
+static void
+gst_rtp_h265_depay_push (GstRtpH265Depay * rtph265depay, GstBuffer * outbuf,
+ gboolean keyframe, GstClockTime timestamp, gboolean marker)
{
- CopyMetaData *data = user_data;
- GstElement *element = data->element;
- GstBuffer *outbuf = data->outbuf;
- const GstMetaInfo *info = (*meta)->info;
- const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
-
- if (!tags || (g_strv_length ((gchar **) tags) == 1
- && gst_meta_api_type_has_tag (info->api,
- g_quark_from_string (GST_META_TAG_VIDEO_STR)))) {
- 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));
+ /* prepend codec_data */
+ if (rtph265depay->codec_data) {
+ GST_DEBUG_OBJECT (rtph265depay, "prepending codec_data");
+ gst_rtp_copy_video_meta (rtph265depay, rtph265depay->codec_data, outbuf);
+ outbuf = gst_buffer_append (rtph265depay->codec_data, outbuf);
+ rtph265depay->codec_data = NULL;
+ keyframe = TRUE;
}
+ outbuf = gst_buffer_make_writable (outbuf);
- return TRUE;
-}
+ gst_rtp_drop_non_video_meta (rtph265depay, outbuf);
-/* 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_PTS (outbuf) = timestamp;
- gst_buffer_foreach_meta (inbuf, foreach_metadata_copy, &data);
-}
+ if (keyframe)
+ GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
+ else
+ GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
-static gboolean
-foreach_metadata_drop (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
-{
- GstRtpH265Depay *depay = user_data;
- const GstMetaInfo *info = (*meta)->info;
- const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
-
- if (!tags || (g_strv_length ((gchar **) tags) == 1
- && gst_meta_api_type_has_tag (info->api,
- g_quark_from_string (GST_META_TAG_VIDEO_STR)))) {
- GST_DEBUG_OBJECT (depay, "keeping metadata %s", g_type_name (info->api));
- } else {
- GST_DEBUG_OBJECT (depay, "dropping metadata %s", g_type_name (info->api));
- *meta = NULL;
- }
+ if (marker)
+ GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_MARKER);
- return TRUE;
+ gst_rtp_base_depayload_push (GST_RTP_BASE_DEPAYLOAD (rtph265depay), outbuf);
}
-static GstBuffer *
+static void
gst_rtp_h265_depay_handle_nal (GstRtpH265Depay * rtph265depay, GstBuffer * nal,
GstClockTime in_timestamp, gboolean marker)
{
4, gst_buffer_get_size (nal) - 4));
gst_buffer_unmap (nal, &map);
gst_buffer_unref (nal);
- return NULL;
+ return;
} 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
"all-headers", G_TYPE_BOOLEAN, TRUE, NULL)));
gst_buffer_unmap (nal, &map);
gst_buffer_unref (nal);
- return NULL;
+ return;
}
if (rtph265depay->new_codec_data &&
/* 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;
}
- 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)) {
}
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_buffer_foreach_meta (outbuf, foreach_metadata_drop, depayload);
-
- 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);
+ gst_rtp_h265_depay_push (rtph265depay, outbuf, out_keyframe, out_timestamp,
+ marker);
}
- return outbuf;
+ return;
/* ERRORS */
short_nal:
GST_WARNING_OBJECT (depayload, "dropping short NAL");
gst_buffer_unmap (nal, &map);
gst_buffer_unref (nal);
- return NULL;
+ return;
}
}
-static GstBuffer *
-gst_rtp_h265_push_fragmentation_unit (GstRtpH265Depay * rtph265depay,
- gboolean send)
+static void
+gst_rtp_h265_finish_fragmentation_unit (GstRtpH265Depay * rtph265depay)
{
guint outsize;
GstMapInfo map;
GstBuffer *outbuf;
outsize = gst_adapter_available (rtph265depay->adapter);
+ g_assert (outsize >= 4);
+
outbuf = gst_adapter_take_buffer (rtph265depay->adapter, 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;
+ GST_WRITE_UINT32_BE (map.data, outsize - 4);
}
gst_buffer_unmap (outbuf, &map);
rtph265depay->current_fu_type = 0;
- outbuf = gst_rtp_h265_depay_handle_nal (rtph265depay, 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 *buf;
GstBuffer *outbuf = NULL;
guint8 nal_unit_type;
gst_adapter_clear (rtph265depay->adapter);
rtph265depay->wait_start = TRUE;
rtph265depay->current_fu_type = 0;
+ rtph265depay->last_fu_seqnum = 0;
}
{
payload_len = gst_rtp_buffer_get_payload_len (rtp);
payload = gst_rtp_buffer_get_payload (rtp);
- buf = gst_rtp_buffer_get_payload_buffer (rtp);
marker = gst_rtp_buffer_get_marker (rtp);
GST_DEBUG_OBJECT (rtph265depay, "receiving %d bytes", payload_len);
* 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);
+ gst_rtp_h265_finish_fragmentation_unit (rtph265depay);
switch (nal_unit_type) {
case 48:
#endif
while (payload_len > 2) {
+ gboolean last = FALSE;
nalu_size = (payload[0] << 8) | payload[1];
- /* dont include nalu_size */
+ /* don't include nalu_size */
if (nalu_size > (payload_len - 2))
nalu_size = payload_len - 2;
if (rtph265depay->byte_stream) {
memcpy (map.data, sync_bytes, sizeof (sync_bytes));
} else {
- goto not_implemented;
+ GST_WRITE_UINT32_BE (map.data, nalu_size);
}
/* strip NALU size */
memcpy (map.data + sizeof (sync_bytes), payload, nalu_size);
gst_buffer_unmap (outbuf, &map);
- gst_rtp_copy_meta (GST_ELEMENT_CAST (rtph265depay), outbuf, buf,
- g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
+ gst_rtp_copy_video_meta (rtph265depay, outbuf, rtp->buffer);
- outbuf =
- gst_rtp_h265_depay_handle_nal (rtph265depay, outbuf, timestamp,
- marker);
- if (outbuf)
- gst_adapter_push (rtph265depay->adapter, outbuf);
+ if (payload_len - nalu_size <= 2)
+ last = TRUE;
+
+ gst_rtp_h265_depay_handle_nal (rtph265depay, outbuf, timestamp,
+ marker && last);
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:
* 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);
+ gst_rtp_h265_finish_fragmentation_unit (rtph265depay);
rtph265depay->current_fu_type = nal_unit_type;
rtph265depay->fu_timestamp = timestamp;
+ rtph265depay->last_fu_seqnum = gst_rtp_buffer_get_seq (rtp);
rtph265depay->wait_start = FALSE;
outbuf = gst_buffer_new_and_alloc (outsize);
gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
+ if (rtph265depay->byte_stream) {
+ GST_WRITE_UINT32_BE (map.data, 0x00000001);
+ } else {
+ /* will be fixed up in finish_fragmentation_unit() */
+ GST_WRITE_UINT32_BE (map.data, 0xffffffff);
+ }
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;
+ map.data[4] = nal_header >> 8;
+ map.data[5] = nal_header & 0xff;
gst_buffer_unmap (outbuf, &map);
- gst_rtp_copy_meta (GST_ELEMENT_CAST (rtph265depay), outbuf, buf,
- g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
+ gst_rtp_copy_video_meta (rtph265depay, outbuf, rtp->buffer);
GST_DEBUG_OBJECT (rtph265depay, "queueing %d bytes", outsize);
/* and assemble in the adapter */
gst_adapter_push (rtph265depay->adapter, outbuf);
} else {
+ if (rtph265depay->current_fu_type == 0) {
+ /* previous FU packet missing start bit? */
+ GST_WARNING_OBJECT (rtph265depay, "missing FU start bit on an "
+ "earlier packet. Dropping.");
+ gst_adapter_clear (rtph265depay->adapter);
+ return NULL;
+ }
+ if (gst_rtp_buffer_compare_seqnum (rtph265depay->last_fu_seqnum,
+ gst_rtp_buffer_get_seq (rtp)) != 1) {
+ /* jump in sequence numbers within an FU is cause for discarding */
+ GST_WARNING_OBJECT (rtph265depay, "Jump in sequence numbers from "
+ "%u to %u within Fragmentation Unit. Data was lost, dropping "
+ "stored.", rtph265depay->last_fu_seqnum,
+ gst_rtp_buffer_get_seq (rtp));
+ gst_adapter_clear (rtph265depay->adapter);
+ return NULL;
+ }
+ rtph265depay->last_fu_seqnum = gst_rtp_buffer_get_seq (rtp);
GST_DEBUG_OBJECT (rtph265depay,
"Following part of Fragmentation Unit");
outbuf = gst_buffer_new_and_alloc (outsize);
gst_buffer_fill (outbuf, 0, payload, outsize);
- gst_rtp_copy_meta (GST_ELEMENT_CAST (rtph265depay), outbuf, buf,
- g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
+ gst_rtp_copy_video_meta (rtph265depay, outbuf, rtp->buffer);
GST_DEBUG_OBJECT (rtph265depay, "queueing %d bytes", outsize);
/* if NAL unit ends, flush the adapter */
if (E) {
- outbuf = gst_rtp_h265_push_fragmentation_unit (rtph265depay, FALSE);
+ gst_rtp_h265_finish_fragmentation_unit (rtph265depay);
GST_DEBUG_OBJECT (rtph265depay, "End of Fragmentation Unit");
}
break;
if (rtph265depay->byte_stream) {
memcpy (map.data, sync_bytes, sizeof (sync_bytes));
} else {
- goto not_implemented;
+ GST_WRITE_UINT32_BE (map.data, nalu_size);
}
- memcpy (map.data + sizeof (sync_bytes), payload, nalu_size);
+ memcpy (map.data + 4, payload, nalu_size);
gst_buffer_unmap (outbuf, &map);
- gst_rtp_copy_meta (GST_ELEMENT_CAST (rtph265depay), outbuf, buf,
- g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
+ gst_rtp_copy_video_meta (rtph265depay, outbuf, rtp->buffer);
- outbuf = gst_rtp_h265_depay_handle_nal (rtph265depay, outbuf, timestamp,
- marker);
+ gst_rtp_h265_depay_handle_nal (rtph265depay, outbuf, timestamp, marker);
break;
}
}
}
- gst_buffer_unref (buf);
-
- return outbuf;
+ return NULL;
/* ERRORS */
empty_packet:
{
GST_DEBUG_OBJECT (rtph265depay, "empty packet");
- gst_buffer_unref (buf);
return NULL;
}
waiting_start:
{
GST_DEBUG_OBJECT (rtph265depay, "waiting for start");
- gst_buffer_unref (buf);
return NULL;
}
#if 0
{
GST_ELEMENT_ERROR (rtph265depay, STREAM, FORMAT,
(NULL), ("DONL field present not supported yet"));
- gst_buffer_unref (buf);
return NULL;
}
#endif
{
GST_ELEMENT_ERROR (rtph265depay, STREAM, FORMAT,
(NULL), ("NAL unit type %d not supported yet", nal_unit_type));
- gst_buffer_unref (buf);
return NULL;
}
}
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
- gst_rtp_h265_depay_reset (rtph265depay);
+ gst_rtp_h265_depay_reset (rtph265depay, FALSE);
+ break;
+ case GST_EVENT_EOS:
+ gst_rtp_h265_depay_drain (rtph265depay);
break;
default:
break;
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
- gst_rtp_h265_depay_reset (rtph265depay);
+ gst_rtp_h265_depay_reset (rtph265depay, TRUE);
break;
default:
break;
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ gst_rtp_h265_depay_reset (rtph265depay, TRUE);
+ break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
projects / platform / upstream / gst-plugins-good.git / blobdiff