--- /dev/null
+/*
+ * gst-rtp-vp8-depay.c - Source for GstRtpVP8Depay
+ * Copyright (C) 2011 Sjoerd Simons <sjoerd@luon.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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 "gstrtpvp8depay.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_rtp_vp8_depay_debug);
+#define GST_CAT_DEFAULT gst_rtp_vp8_depay_debug
+
+GST_BOILERPLATE (GstRtpVP8Depay, gst_rtp_vp8_depay, GstBaseRTPDepayload,
+ GST_TYPE_BASE_RTP_DEPAYLOAD);
+
+static GstStaticPadTemplate gst_rtp_vp8_depay_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-vp8"));
+
+static GstStaticPadTemplate gst_rtp_vp8_depay_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-rtp, "
+ "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ","
+ "clock-rate = (int) 90000,"
+ "media = (string) \"video\","
+ "encoding-name = (string) \"VP8-DRAFT-0-3-2\""));
+
+static void
+gst_rtp_vp8_depay_init (GstRtpVP8Depay * self, GstRtpVP8DepayClass * klass)
+{
+ self->adapter = gst_adapter_new ();
+ self->started = FALSE;
+}
+
+static void gst_rtp_vp8_depay_dispose (GObject * object);
+static GstBuffer *gst_rtp_vp8_depay_process (GstBaseRTPDepayload * depayload,
+ GstBuffer * buf);
+static gboolean gst_rtp_vp8_depay_set_caps (GstBaseRTPDepayload * depayload,
+ GstCaps * caps);
+
+static void
+gst_rtp_vp8_depay_base_init (gpointer klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtp_vp8_depay_sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtp_vp8_depay_src_template));
+
+ gst_element_class_set_details_simple (element_class, "RTP VP8 depayloader",
+ "Codec/Depayloader/Network/RTP",
+ "Extracts VP8 video from RTP packets)",
+ "Sjoerd Simons <sjoerd@luon.net>");
+}
+
+static void
+gst_rtp_vp8_depay_class_init (GstRtpVP8DepayClass * gst_rtp_vp8_depay_class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (gst_rtp_vp8_depay_class);
+ GstBaseRTPDepayloadClass *depay_class =
+ (GstBaseRTPDepayloadClass *) (gst_rtp_vp8_depay_class);
+
+ object_class->dispose = gst_rtp_vp8_depay_dispose;
+
+ depay_class->process = gst_rtp_vp8_depay_process;
+ depay_class->set_caps = gst_rtp_vp8_depay_set_caps;
+
+ GST_DEBUG_CATEGORY_INIT (gst_rtp_vp8_depay_debug, "rtpvp8depay", 0,
+ "VP8 Video RTP Depayloader");
+}
+
+static void
+gst_rtp_vp8_depay_dispose (GObject * object)
+{
+ GstRtpVP8Depay *self = GST_RTP_VP8_DEPAY (object);
+
+ if (self->adapter != NULL)
+ g_object_unref (self->adapter);
+ self->adapter = NULL;
+
+ /* release any references held by the object here */
+
+ if (G_OBJECT_CLASS (parent_class)->dispose)
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static GstBuffer *
+gst_rtp_vp8_depay_process (GstBaseRTPDepayload * depay, GstBuffer * buf)
+{
+ GstRtpVP8Depay *self = GST_RTP_VP8_DEPAY (depay);
+ GstBuffer *payload;
+ guint8 *data;
+ guint offset;
+ guint size = gst_rtp_buffer_get_payload_len (buf);
+
+ if (G_UNLIKELY (GST_BUFFER_IS_DISCONT (buf))) {
+ GST_LOG_OBJECT (self, "Discontinuity, flushing adapter");
+ gst_adapter_clear (self->adapter);
+ self->started = FALSE;
+ }
+
+ if (G_UNLIKELY (size < 2))
+ goto too_small;
+
+ data = gst_rtp_buffer_get_payload (buf);
+
+ if (G_UNLIKELY (!self->started)) {
+ /* Check if this is the start of a VP8 frame, otherwise bail */
+ if ((data[0] & 0x1) == 0)
+ return NULL;
+
+ self->started = TRUE;
+ }
+
+ offset = 1;
+ if ((data[0] & 0x10) != 0) {
+ /* Skip Picture identifier bytes */
+ for (; (data[offset] & 0x80) != 0; offset++) {
+ /* should be at least one more pictureID byte and at least one byte in
+ * the vp8 payload */
+ if (offset + 2 >= size)
+ goto too_small;
+ }
+ offset++;
+ }
+
+ if (offset + 1 >= size)
+ goto too_small;
+
+ payload = gst_rtp_buffer_get_payload_subbuffer (buf, offset, -1);
+ gst_adapter_push (self->adapter, payload);
+
+ /* Marker indicates that it was the last rtp packet for this frame */
+ if (gst_rtp_buffer_get_marker (buf)) {
+ GstBuffer *out;
+
+ out = gst_adapter_take_buffer (self->adapter,
+ gst_adapter_available (self->adapter));
+
+ self->started = FALSE;
+ return out;
+ }
+
+ return NULL;
+
+too_small:
+ GST_LOG_OBJECT (self, "Invalid rtp packet (too small), ignoring");
+ gst_adapter_clear (self->adapter);
+ self->started = FALSE;
+ return NULL;
+}
+
+static gboolean
+gst_rtp_vp8_depay_set_caps (GstBaseRTPDepayload * depayload, GstCaps * caps)
+{
+ GstCaps *srccaps = gst_caps_new_simple ("video/x-vp8",
+ "framerate", GST_TYPE_FRACTION, 0, 1,
+ NULL);
+
+ gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload), srccaps);
+ gst_caps_unref (srccaps);
+
+ return TRUE;
+}
+
+gboolean
+gst_rtp_vp8_depay_plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "rtpvp8depay",
+ GST_RANK_MARGINAL, GST_TYPE_RTP_VP8_DEPAY);
+}
--- /dev/null
+/*
+ * gst-rtp-vp8-pay.c - Source for GstRtpVP8Pay
+ * Copyright (C) 2011 Sjoerd Simons <sjoerd@luon.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <gst/base/gstbitreader.h>
+#include <gst/rtp/gstrtppayloads.h>
+#include <gst/rtp/gstrtpbuffer.h>
+#include "gstrtpvp8pay.h"
+
+#define FI_FRAG_UNFRAGMENTED 0x0
+#define FI_FRAG_START 0x1
+#define FI_FRAG_MIDDLE 0x2
+#define FI_FRAG_END 0x3
+
+GST_DEBUG_CATEGORY_STATIC (gst_rtp_vp8_pay_debug);
+#define GST_CAT_DEFAULT gst_rtp_vp8_pay_debug
+
+GST_BOILERPLATE (GstRtpVP8Pay, gst_rtp_vp8_pay, GstBaseRTPPayload,
+ GST_TYPE_BASE_RTP_PAYLOAD);
+
+static GstStaticPadTemplate gst_rtp_vp8_pay_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-rtp, "
+ "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ","
+ "clock-rate = (int) 90000, encoding-name = (string) \"VP8-DRAFT-0-3-2\""));
+
+static GstStaticPadTemplate gst_rtp_vp8_pay_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-vp8"));
+
+static void
+gst_rtp_vp8_pay_init (GstRtpVP8Pay * obj, GstRtpVP8PayClass * klass)
+{
+}
+
+static GstFlowReturn gst_rtp_vp8_pay_handle_buffer (GstBaseRTPPayload * payload,
+ GstBuffer * buffer);
+static gboolean gst_rtp_vp8_pay_set_caps (GstBaseRTPPayload * payload,
+ GstCaps * caps);
+
+static void
+gst_rtp_vp8_pay_base_init (gpointer klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtp_vp8_pay_sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtp_vp8_pay_src_template));
+
+ gst_element_class_set_details_simple (element_class, "RTP VP8 payloader",
+ "Codec/Payloader/Network/RTP",
+ "Puts VP8 video in RTP packets)", "Sjoerd Simons <sjoerd@luon.net>");
+}
+
+static void
+gst_rtp_vp8_pay_class_init (GstRtpVP8PayClass * gst_rtp_vp8_pay_class)
+{
+ GstBaseRTPPayloadClass *pay_class =
+ GST_BASE_RTP_PAYLOAD_CLASS (gst_rtp_vp8_pay_class);
+
+ pay_class->handle_buffer = gst_rtp_vp8_pay_handle_buffer;
+ pay_class->set_caps = gst_rtp_vp8_pay_set_caps;
+
+ GST_DEBUG_CATEGORY_INIT (gst_rtp_vp8_pay_debug, "rtpvp8pay", 0,
+ "VP8 Video RTP Payloader");
+}
+
+static gsize
+gst_rtp_vp8_calc_payload_len (GstBaseRTPPayload * payload)
+{
+ return gst_rtp_buffer_calc_payload_len (GST_BASE_RTP_PAYLOAD_MTU (payload) -
+ 1, 0, 0);
+}
+
+/* When growing the vp8 header keep gst_rtp_vp8_calc_payload_len in sync */
+static GstBuffer *
+gst_rtp_vp8_create_header_buffer (gboolean start, gboolean mark, guint fi,
+ GstBuffer * in)
+{
+ GstBuffer *out;
+ guint8 *p;
+
+ out = gst_rtp_buffer_new_allocate (1, 0, 0);
+ p = gst_rtp_buffer_get_payload (out);
+ /* Hardcode I = 0 and N = 0, only set FI and B */
+ p[0] = (fi & 0x3) << 1 | (start ? 1 : 0);
+
+ gst_rtp_buffer_set_marker (out, mark);
+
+ GST_BUFFER_DURATION (out) = GST_BUFFER_DURATION (in);
+ GST_BUFFER_TIMESTAMP (out) = GST_BUFFER_TIMESTAMP (in);
+
+ return out;
+}
+
+
+static gboolean
+gst_rtp_vp8_pay_parse_frame (GstRtpVP8Pay * self, GstBuffer * buffer)
+{
+ GstBitReader *reader;
+ int i;
+ gboolean keyframe;
+ guint32 header_size;
+ guint8 version;
+ guint8 tmp8;
+ guint8 *data;
+ guint8 partitions;
+
+ reader = gst_bit_reader_new_from_buffer (buffer);
+
+ if (G_UNLIKELY (GST_BUFFER_SIZE (buffer) < 3))
+ goto error;
+
+ data = GST_BUFFER_DATA (buffer);
+
+ self->is_keyframe = keyframe = ((data[0] & 0x1) == 0);
+ version = (data[0] >> 1) & 0x7;
+
+ /* keyframe, version and show_frame use 5 bits */
+ header_size = data[2] << 11 | data[1] << 3 | (data[0] >> 5);
+
+ /* Include the uncompressed data blob in the header */
+ header_size += keyframe ? 10 : 3;
+
+ if (!gst_bit_reader_skip (reader, 24))
+ goto error;
+
+ if (keyframe) {
+ /* check start tag: 0x9d 0x01 0x2a */
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 8) || tmp8 != 0x9d)
+ goto error;
+
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 8) || tmp8 != 0x01)
+ goto error;
+
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 8) || tmp8 != 0x2a)
+ goto error;
+
+ /* Skip horizontal size code (16 bits) vertical size code (16 bits),
+ * color space (1 bit) and clamping type (1 bit) */
+ if (!gst_bit_reader_skip (reader, 34))
+ goto error;
+ }
+
+ /* segmentation_enabled */
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 1))
+ goto error;
+
+ if (tmp8 != 0) {
+ gboolean update_mb_segmentation_map;
+ gboolean update_segment_feature_data;
+
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 2))
+ goto error;
+
+ update_mb_segmentation_map = (tmp8 & 0x2) != 0;
+ update_segment_feature_data = (tmp8 & 0x1) != 0;
+
+ if (update_segment_feature_data) {
+ /* skip segment feature mode */
+ if (!gst_bit_reader_skip (reader, 1))
+ goto error;
+
+ for (i = 0; i < 4; i++) {
+ /* quantizer update */
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 1))
+ goto error;
+
+ if (tmp8 != 0) {
+ /* skip quantizer value (7 bits) and sign (1 bit) */
+ if (!gst_bit_reader_skip (reader, 8))
+ goto error;
+ }
+ }
+
+ for (i = 0; i < 4; i++) {
+ /* loop filter update */
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 1))
+ goto error;
+
+ if (tmp8 != 0) {
+ /* skip lf update value (6 bits) and sign (1 bit) */
+ if (!gst_bit_reader_skip (reader, 7))
+ goto error;
+ }
+ }
+ }
+
+ if (update_mb_segmentation_map) {
+ for (i = 0; i < 3; i++) {
+ /* segment prob update */
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 1))
+ goto error;
+
+ if (tmp8 != 0) {
+ /* skip segment prob */
+ if (!gst_bit_reader_skip (reader, 8))
+ goto error;
+ }
+ }
+ }
+ }
+
+ /* skip filter type (1 bit), loop filter level (6 bits) and
+ * sharpness level (3 bits) */
+ if (!gst_bit_reader_skip (reader, 10))
+ goto error;
+
+ /* loop_filter_adj_enabled */
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 1))
+ goto error;
+
+ if (tmp8 != 0) {
+ /* loop filter adj enabled */
+
+ /* mode_ref_lf_delta_update */
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 1))
+ goto error;
+
+ if (tmp8 != 0) {
+ /* mode_ref_lf_data_update */
+ int i;
+
+ for (i = 0; i < 8; i++) {
+ /* 8 updates, 1 bit indicate whether there is one and if follow by a
+ * 7 bit update */
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 1))
+ goto error;
+
+ if (tmp8 != 0) {
+ /* skip delta magnitude (6 bits) and sign (1 bit) */
+ if (!gst_bit_reader_skip (reader, 7))
+ goto error;
+ }
+ }
+ }
+ }
+
+ if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 2))
+ goto error;
+
+ self->n_partitions = partitions = 1 << tmp8;
+
+ /* Check if things are still sensible */
+ if (header_size + (partitions - 1) * 3 >= GST_BUFFER_SIZE (buffer))
+ goto error;
+
+ /* partition data is right after the frame header */
+ data = GST_BUFFER_DATA (buffer) + header_size;
+
+ self->partition_offset[0] = header_size + (partitions - 1) * 3;
+
+ /* Include partition data in the header for RTP purposes */
+ self->header_size = self->partition_offset[0];
+
+ for (i = 0; i < (partitions - 1); i++) {
+ guint size = (data[2] << 16 | data[1] << 8 | data[0]);
+
+ data += 3;
+ self->partition_size[i] = size;
+ self->partition_offset[i + 1] = self->partition_offset[i] + size;
+ }
+
+ /* Check that our partition offsets and sizes don't go outsize the buffer
+ * size. */
+ if (self->partition_offset[i] >= GST_BUFFER_SIZE (buffer))
+ goto error;
+
+ self->partition_size[i] = GST_BUFFER_SIZE (buffer)
+ - self->partition_offset[i];
+
+ self->partition_offset[i + 1] = GST_BUFFER_SIZE (buffer);
+
+ gst_bit_reader_free (reader);
+ return TRUE;
+
+error:
+ GST_DEBUG ("Failed to parse frame");
+ gst_bit_reader_free (reader);
+ return FALSE;
+}
+
+static guint
+gst_rtp_vp8_fit_partitions (GstRtpVP8Pay * self, gint first, gsize available)
+{
+ guint num = 0;
+ int i;
+
+ g_assert (first < self->n_partitions);
+
+ if (first < 0) {
+ if (self->header_size > available)
+ return 0;
+
+ available -= self->header_size;
+ num++;
+ first = 0;
+ }
+
+ for (i = first;
+ i < self->n_partitions && self->partition_size[i] < available; i++) {
+ num++;
+ available -= self->partition_size[i];
+ }
+
+ return num;
+}
+
+static GstBuffer *
+gst_rtp_vp8_create_sub (GstRtpVP8Pay * self,
+ GstBuffer * buffer, gint current, guint num)
+{
+ guint offset = 0;
+ guint size;
+
+ if (current >= 0) {
+ offset = self->partition_offset[current];
+ }
+
+ size = self->partition_offset[current + num] - offset;
+
+ return gst_buffer_create_sub (buffer, offset, size);
+}
+
+
+static guint
+gst_rtp_vp8_payload_next (GstRtpVP8Pay * self,
+ GstBufferListIterator * it, gint first, GstBuffer * buffer)
+{
+ guint num;
+ GstBuffer *header;
+ GstBuffer *sub;
+ gboolean mark;
+ gsize available = gst_rtp_vp8_calc_payload_len (GST_BASE_RTP_PAYLOAD (self));
+
+ g_assert (first < 8);
+
+ /* How many partitions can we fit */
+ num = gst_rtp_vp8_fit_partitions (self, first, available);
+
+ if (num > 0) {
+ mark = (first + num == self->n_partitions);
+ /* whole set of partitions, payload them and done */
+ header = gst_rtp_vp8_create_header_buffer (first == -1, mark,
+ FI_FRAG_UNFRAGMENTED, buffer);
+ sub = gst_rtp_vp8_create_sub (self, buffer, first, num);
+
+ gst_buffer_list_iterator_add_group (it);
+ gst_buffer_list_iterator_add (it, header);
+ gst_buffer_list_iterator_add (it, sub);
+ } else {
+ /* Fragmented packets */
+ guint left;
+ guint offset;
+
+ if (first >= 0) {
+ offset = self->partition_offset[first];
+ left = self->partition_size[first];
+ } else {
+ offset = 0;
+ left = self->header_size;
+ }
+
+ header = gst_rtp_vp8_create_header_buffer (first == -1, FALSE,
+ FI_FRAG_START, buffer);
+ sub = gst_buffer_create_sub (buffer, offset, available);
+ offset += available;
+
+ gst_buffer_list_iterator_add_group (it);
+ gst_buffer_list_iterator_add (it, header);
+ gst_buffer_list_iterator_add (it, sub);
+
+ left -= available;
+
+ for (; left > available; left -= available) {
+ header = gst_rtp_vp8_create_header_buffer (first == -1, FALSE,
+ FI_FRAG_MIDDLE, buffer);
+
+ sub = gst_buffer_create_sub (buffer, offset, available);
+ offset += available;
+
+ gst_buffer_list_iterator_add_group (it);
+ gst_buffer_list_iterator_add (it, header);
+ gst_buffer_list_iterator_add (it, sub);
+ }
+
+ mark = (first + 1 == self->n_partitions);
+
+ header = gst_rtp_vp8_create_header_buffer (first == -1, mark,
+ FI_FRAG_END, buffer);
+ sub = gst_buffer_create_sub (buffer, offset, left);
+
+ gst_buffer_list_iterator_add_group (it);
+ gst_buffer_list_iterator_add (it, header);
+ gst_buffer_list_iterator_add (it, sub);
+
+ return 1;
+ }
+
+ return num;
+}
+
+
+static GstFlowReturn
+gst_rtp_vp8_pay_handle_buffer (GstBaseRTPPayload * payload, GstBuffer * buffer)
+{
+ GstRtpVP8Pay *self = GST_RTP_VP8_PAY (payload);
+ GstFlowReturn ret;
+ GstBufferList *list;
+ GstBufferListIterator *it;
+ gint current;
+
+ if (G_UNLIKELY (!gst_rtp_vp8_pay_parse_frame (self, buffer))) {
+ /* FIXME throw flow error */
+ g_message ("Failed to parse frame");
+ return GST_FLOW_ERROR;
+ }
+
+ list = gst_buffer_list_new ();
+ it = gst_buffer_list_iterate (list);
+
+ for (current = -1; current < self->n_partitions;) {
+ guint n;
+
+ n = gst_rtp_vp8_payload_next (self, it, current, buffer);
+ current += n;
+ }
+
+ ret = gst_basertppayload_push_list (payload, list);
+ gst_buffer_list_iterator_free (it);
+
+ return ret;
+}
+
+static gboolean
+gst_rtp_vp8_pay_set_caps (GstBaseRTPPayload * payload, GstCaps * caps)
+{
+ gst_basertppayload_set_options (payload, "video", TRUE,
+ "VP8-DRAFT-0-3-2", 90000);
+ return gst_basertppayload_set_outcaps (payload, NULL);
+}
+
+gboolean
+gst_rtp_vp8_pay_plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "rtpvp8pay",
+ GST_RANK_MARGINAL, GST_TYPE_RTP_VP8_PAY);
+}
projects / platform / upstream / gst-plugins-good.git / commitdiff