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lavf: use a malloced AVFrame in try_decode_frame().

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This allows using avcodec_free_frame() to free it properly.
This commit is contained in:
Anton Khirnov 2012-09-21 09:09:01 +02:00
parent a42aadabc6
commit 9eb296572e
1 changed files with 17 additions and 8 deletions
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25
libavformat/utils.c
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@ -2084,9 +2084,12 @@ static int try_decode_frame(AVStream *st, AVPacket *avpkt, AVDictionary **option
{
const AVCodec *codec;
int got_picture = 1, ret = 0;
AVFrame picture;
AVFrame *frame = avcodec_alloc_frame();
AVPacket pkt = *avpkt;
if (!frame)
return AVERROR(ENOMEM);
if (!avcodec_is_open(st->codec) && !st->info->found_decoder) {
AVDictionary *thread_opt = NULL;
@ -2095,7 +2098,8 @@ static int try_decode_frame(AVStream *st, AVPacket *avpkt, AVDictionary **option
if (!codec) {
st->info->found_decoder = -1;
return -1;
ret = -1;
goto fail;
}
/* force thread count to 1 since the h264 decoder will not extract SPS
@ -2106,14 +2110,16 @@ static int try_decode_frame(AVStream *st, AVPacket *avpkt, AVDictionary **option
av_dict_free(&thread_opt);
if (ret < 0) {
st->info->found_decoder = -1;
return ret;
goto fail;
}
st->info->found_decoder = 1;
} else if (!st->info->found_decoder)
st->info->found_decoder = 1;
if (st->info->found_decoder < 0)
return -1;
if (st->info->found_decoder < 0) {
ret = -1;
goto fail;
}
while ((pkt.size > 0 || (!pkt.data && got_picture)) &&
ret >= 0 &&
@ -2121,14 +2127,14 @@ static int try_decode_frame(AVStream *st, AVPacket *avpkt, AVDictionary **option
!has_decode_delay_been_guessed(st) ||
(!st->codec_info_nb_frames && st->codec->codec->capabilities & CODEC_CAP_CHANNEL_CONF))) {
got_picture = 0;
avcodec_get_frame_defaults(&picture);
avcodec_get_frame_defaults(frame);
switch(st->codec->codec_type) {
case AVMEDIA_TYPE_VIDEO:
ret = avcodec_decode_video2(st->codec, &picture,
ret = avcodec_decode_video2(st->codec, frame,
&got_picture, &pkt);
break;
case AVMEDIA_TYPE_AUDIO:
ret = avcodec_decode_audio4(st->codec, &picture, &got_picture, &pkt);
ret = avcodec_decode_audio4(st->codec, frame, &got_picture, &pkt);
break;
default:
break;
@ -2141,6 +2147,9 @@ static int try_decode_frame(AVStream *st, AVPacket *avpkt, AVDictionary **option
ret = got_picture;
}
}
fail:
avcodec_free_frame(&frame);
return ret;
}