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avformat/utils: Move ff_add_param_change to demux_utils.c 

Only demuxers have a need to add side-data to a packet.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-05-06 21:00:50 +02:00
parent 92a43ad384
commit f104352b91
7 changed files with 66 additions and 60 deletions
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8
libavformat/demux.h
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@ -203,4 +203,12 @@ AVChapter *avpriv_new_chapter(AVFormatContext *s, int64_t id, AVRational time_ba
int ff_add_attached_pic(AVFormatContext *s, AVStream *st, AVIOContext *pb,
AVBufferRef **buf, int size);
/**
* Add side data to a packet for changing parameters to the given values.
* Parameters set to 0 aren't included in the change.
*/
int ff_add_param_change(AVPacket *pkt, int32_t channels,
uint64_t channel_layout, int32_t sample_rate,
int32_t width, int32_t height);
#endif /* AVFORMAT_DEMUX_H */

54
libavformat/demux_utils.c
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@ -19,7 +19,10 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/version.h"
#include "libavutil/avassert.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/packet_internal.h"
#include "avformat.h"
#include "demux.h"
@ -143,3 +146,54 @@ fail:
ff_remove_stream(s, st);
return ret;
}
int ff_add_param_change(AVPacket *pkt, int32_t channels,
uint64_t channel_layout, int32_t sample_rate,
int32_t width, int32_t height)
{
uint32_t flags = 0;
int size = 4;
uint8_t *data;
if (!pkt)
return AVERROR(EINVAL);
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
if (channels) {
size += 4;
flags |= AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT;
}
if (channel_layout) {
size += 8;
flags |= AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (sample_rate) {
size += 4;
flags |= AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE;
}
if (width || height) {
size += 8;
flags |= AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS;
}
data = av_packet_new_side_data(pkt, AV_PKT_DATA_PARAM_CHANGE, size);
if (!data)
return AVERROR(ENOMEM);
bytestream_put_le32(&data, flags);
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
if (channels)
bytestream_put_le32(&data, channels);
if (channel_layout)
bytestream_put_le64(&data, channel_layout);
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (sample_rate)
bytestream_put_le32(&data, sample_rate);
if (width || height) {
bytestream_put_le32(&data, width);
bytestream_put_le32(&data, height);
}
return 0;
}

1
libavformat/flvdec.c
View File

@ -34,6 +34,7 @@
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "avformat.h"
#include "demux.h"
#include "internal.h"
#include "flv.h"

8
libavformat/internal.h
View File

@ -584,14 +584,6 @@ const AVCodec *ff_find_decoder(AVFormatContext *s, const AVStream *st,
void avpriv_set_pts_info(AVStream *st, int pts_wrap_bits,
unsigned int pts_num, unsigned int pts_den);
/**
* Add side data to a packet for changing parameters to the given values.
* Parameters set to 0 aren't included in the change.
*/
int ff_add_param_change(AVPacket *pkt, int32_t channels,
uint64_t channel_layout, int32_t sample_rate,
int32_t width, int32_t height);
/**
* Set the timebase for each stream from the corresponding codec timebase and
* print it.

1
libavformat/ipmovie.c
View File

@ -35,6 +35,7 @@
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "avformat.h"
#include "demux.h"
#include "internal.h"
#define CHUNK_PREAMBLE_SIZE 4

1
libavformat/swfdec.c
View File

@ -32,6 +32,7 @@
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavcodec/get_bits.h"
#include "demux.h"
#include "swf.h"
#include "flv.h"

53
libavformat/utils.c
View File

@ -28,13 +28,13 @@
#include "libavutil/bprint.h"
#include "libavutil/dict.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/pixfmt.h"
#include "libavutil/thread.h"
#include "libavutil/time.h"
#include "libavcodec/bsf.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/internal.h"
#include "libavcodec/packet_internal.h"
@ -1007,57 +1007,6 @@ int avformat_network_deinit(void)
return 0;
}
int ff_add_param_change(AVPacket *pkt, int32_t channels,
uint64_t channel_layout, int32_t sample_rate,
int32_t width, int32_t height)
{
uint32_t flags = 0;
int size = 4;
uint8_t *data;
if (!pkt)
return AVERROR(EINVAL);
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
if (channels) {
size += 4;
flags |= AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT;
}
if (channel_layout) {
size += 8;
flags |= AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (sample_rate) {
size += 4;
flags |= AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE;
}
if (width || height) {
size += 8;
flags |= AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS;
}
data = av_packet_new_side_data(pkt, AV_PKT_DATA_PARAM_CHANGE, size);
if (!data)
return AVERROR(ENOMEM);
bytestream_put_le32(&data, flags);
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
if (channels)
bytestream_put_le32(&data, channels);
if (channel_layout)
bytestream_put_le64(&data, channel_layout);
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (sample_rate)
bytestream_put_le32(&data, sample_rate);
if (width || height) {
bytestream_put_le32(&data, width);
bytestream_put_le32(&data, height);
}
return 0;
}
AVRational av_guess_sample_aspect_ratio(AVFormatContext *format, AVStream *stream, AVFrame *frame)
{
AVRational undef = {0, 1};