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avformat: add a stream event flag for new packets

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This commit is contained in:
Anton Khirnov 2020-10-25 15:50:30 +01:00
parent 201b1246e2
commit f95d9510ff
4 changed files with 12 additions and 1 deletions
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3
doc/APIchanges
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@ -15,6 +15,9 @@ libavutil: 2017-10-21
API changes, most recent first: API changes, most recent first:
2020-xx-xx - xxxxxxxxxx - lavf 58.64.100 - avformat.h
Add AVSTREAM_EVENT_FLAG_NEW_PACKETS.
2020-xx-xx - xxxxxxxxxx - lavu 56.60.100 - buffer.h 2020-xx-xx - xxxxxxxxxx - lavu 56.60.100 - buffer.h
Add a av_buffer_replace() convenience function. Add a av_buffer_replace() convenience function.

6
libavformat/avformat.h
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@ -995,6 +995,12 @@ typedef struct AVStream {
* it into the file * it into the file
*/ */
#define AVSTREAM_EVENT_FLAG_METADATA_UPDATED 0x0001 #define AVSTREAM_EVENT_FLAG_METADATA_UPDATED 0x0001
/**
* - demuxing: new packets for this stream were read from the file. This
* event is informational only and does not guarantee that new packets
* for this stream will necessarily be returned from av_read_frame().
*/
#define AVSTREAM_EVENT_FLAG_NEW_PACKETS (1 << 1)
/** /**
* Real base framerate of the stream. * Real base framerate of the stream.

2
libavformat/utils.c
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@ -1533,6 +1533,8 @@ static int read_frame_internal(AVFormatContext *s, AVPacket *pkt)
ret = 0; ret = 0;
st = s->streams[pkt->stream_index]; st = s->streams[pkt->stream_index];
st->event_flags |= AVSTREAM_EVENT_FLAG_NEW_PACKETS;
/* update context if required */ /* update context if required */
if (st->internal->need_context_update) { if (st->internal->need_context_update) {
if (avcodec_is_open(st->internal->avctx)) { if (avcodec_is_open(st->internal->avctx)) {

2
libavformat/version.h
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@ -32,7 +32,7 @@
// Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium) // Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
// Also please add any ticket numbers that you believe might be affected here // Also please add any ticket numbers that you believe might be affected here
#define LIBAVFORMAT_VERSION_MAJOR 58 #define LIBAVFORMAT_VERSION_MAJOR 58
#define LIBAVFORMAT_VERSION_MINOR 63 #define LIBAVFORMAT_VERSION_MINOR 64
#define LIBAVFORMAT_VERSION_MICRO 100 #define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \ #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \