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avaudenc: Add support for AV_PKT_DATA_SKIP_SAMPLES side data

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1028>
This commit is contained in:
Sebastian Dröge 2021-10-05 13:43:50 +03:00
parent 492dc666df
commit abb8d54bb0
1 changed files with 22 additions and 0 deletions
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22
subprojects/gst-libav/ext/libav/gstavaudenc.c
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@ -34,6 +34,7 @@
#include <libavutil/opt.h>
#include <gst/gst.h>
#include <gst/base/base.h>
#include "gstav.h"
#include "gstavcfg.h"
@ -584,6 +585,12 @@ gst_ffmpegaudenc_receive_packet (GstFFMpegAudEnc * ffmpegaudenc,
if (res == 0) {
GstBuffer *outbuf;
const uint8_t *side_data;
#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(58,130,0)
size_t side_data_length = 0;
#else
int side_data_length = 0;
#endif
GST_LOG_OBJECT (ffmpegaudenc, "pushing size %d", pkt->size);
@ -591,6 +598,21 @@ gst_ffmpegaudenc_receive_packet (GstFFMpegAudEnc * ffmpegaudenc,
gst_buffer_new_wrapped_full (GST_MEMORY_FLAG_READONLY, pkt->data,
pkt->size, 0, pkt->size, pkt, gst_ffmpegaudenc_free_avpacket);
if ((side_data =
av_packet_get_side_data (pkt, AV_PKT_DATA_SKIP_SAMPLES,
&side_data_length)) && side_data_length == 10) {
GstByteReader reader = GST_BYTE_READER_INIT (pkt->data, pkt->size);
guint32 start, end;
start = gst_byte_reader_get_uint32_le_unchecked (&reader);
end = gst_byte_reader_get_uint32_le_unchecked (&reader);
GST_LOG_OBJECT (ffmpegaudenc,
"got skip samples side data with start %u and end %u", start, end);
gst_buffer_add_audio_clipping_meta (outbuf, GST_FORMAT_DEFAULT, start,
end);
}
ret =
gst_audio_encoder_finish_frame (enc, outbuf,
pkt->duration > 0 ? pkt->duration : -1);