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avformat/avienc: use av_packet_alloc() to allocate packets 

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2021-01-29 00:02:12 -03:00
parent a7c238cbd8
commit 9e92fd97d0
1 changed files with 12 additions and 6 deletions
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18
libavformat/avienc.c
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@ -66,6 +66,7 @@ typedef struct AVIIndex {
typedef struct AVIContext {
const AVClass *class;
AVPacket *empty_packet;
int64_t riff_start, movi_list, odml_list;
int64_t frames_hdr_all;
int riff_id;
@ -274,6 +275,10 @@ static int avi_write_header(AVFormatContext *s)
return AVERROR(EINVAL);
}
avi->empty_packet = av_packet_alloc();
if (!avi->empty_packet)
return AVERROR(ENOMEM);
for (n = 0; n < s->nb_streams; n++) {
s->streams[n]->priv_data = av_mallocz(sizeof(AVIStream));
if (!s->streams[n]->priv_data)
@ -739,24 +744,21 @@ static int avi_write_idx1(AVFormatContext *s)
static int write_skip_frames(AVFormatContext *s, int stream_index, int64_t dts)
{
AVIContext *avi = s->priv_data;
AVIStream *avist = s->streams[stream_index]->priv_data;
AVCodecParameters *par = s->streams[stream_index]->codecpar;
ff_dlog(s, "dts:%s packet_count:%d stream_index:%d\n", av_ts2str(dts), avist->packet_count, stream_index);
while (par->block_align == 0 && dts != AV_NOPTS_VALUE &&
dts > avist->packet_count && par->codec_id != AV_CODEC_ID_XSUB && avist->packet_count) {
AVPacket empty_packet;
if (dts - avist->packet_count > 60000) {
av_log(s, AV_LOG_ERROR, "Too large number of skipped frames %"PRId64" > 60000\n", dts - avist->packet_count);
return AVERROR(EINVAL);
}
av_init_packet(&empty_packet);
empty_packet.size = 0;
empty_packet.data = NULL;
empty_packet.stream_index = stream_index;
avi_write_packet_internal(s, &empty_packet);
avi->empty_packet->stream_index = stream_index;
avi_write_packet_internal(s, avi->empty_packet);
ff_dlog(s, "dup dts:%s packet_count:%d\n", av_ts2str(dts), avist->packet_count);
}
@ -978,6 +980,10 @@ static int avi_write_trailer(AVFormatContext *s)
static void avi_deinit(AVFormatContext *s)
{
AVIContext *avi = s->priv_data;
av_packet_free(&avi->empty_packet);
for (int i = 0; i < s->nb_streams; i++) {
AVIStream *avist = s->streams[i]->priv_data;
if (!avist)