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Code Issues Releases Activity

avformat/wc3movie: use av_packet_alloc() to allocate packets

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2021-01-29 12:22:07 -03:00
parent 98a776b5e3
commit 2fdfad5525
1 changed files with 10 additions and 11 deletions
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21
libavformat/wc3movie.c
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@@ -69,7 +69,7 @@ typedef struct Wc3DemuxContext {
int video_stream_index;
int audio_stream_index;
AVPacket vpkt;
AVPacket *vpkt;
} Wc3DemuxContext;
@@ -77,8 +77,7 @@ static int wc3_read_close(AVFormatContext *s)
{
Wc3DemuxContext *wc3 = s->priv_data;
if (wc3->vpkt.size > 0)
av_packet_unref(&wc3->vpkt);
av_packet_free(&wc3->vpkt);
return 0;
}
@@ -110,8 +109,9 @@ static int wc3_read_header(AVFormatContext *s)
wc3->height = WC3_DEFAULT_HEIGHT;
wc3->pts = 0;
wc3->video_stream_index = wc3->audio_stream_index = 0;
av_init_packet(&wc3->vpkt);
wc3->vpkt.data = NULL; wc3->vpkt.size = 0;
wc3->vpkt = av_packet_alloc();
if (!wc3->vpkt)
return AVERROR(ENOMEM);
/* skip the first 3 32-bit numbers */
avio_skip(pb, 12);
@@ -162,7 +162,7 @@ static int wc3_read_header(AVFormatContext *s)
case PALT_TAG:
/* one of several palettes */
avio_seek(pb, -8, SEEK_CUR);
av_append_packet(pb, &wc3->vpkt, 8 + PALETTE_SIZE);
av_append_packet(pb, wc3->vpkt, 8 + PALETTE_SIZE);
break;
default:
@@ -248,18 +248,17 @@ static int wc3_read_packet(AVFormatContext *s,
case SHOT_TAG:
/* load up new palette */
avio_seek(pb, -8, SEEK_CUR);
av_append_packet(pb, &wc3->vpkt, 8 + 4);
av_append_packet(pb, wc3->vpkt, 8 + 4);
break;
case VGA__TAG:
/* send out video chunk */
avio_seek(pb, -8, SEEK_CUR);
ret= av_append_packet(pb, &wc3->vpkt, 8 + size);
ret= av_append_packet(pb, wc3->vpkt, 8 + size);
// ignore error if we have some data
if (wc3->vpkt.size > 0)
if (wc3->vpkt->size > 0)
ret = 0;
*pkt = wc3->vpkt;
wc3->vpkt.data = NULL; wc3->vpkt.size = 0;
av_packet_move_ref(pkt, wc3->vpkt);
pkt->stream_index = wc3->video_stream_index;
pkt->pts = wc3->pts;
packet_read = 1;