RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-03-25 04:19:05 +00:00
Code Issues Projects Releases Wiki Activity

interplayvideo: Handle changed video dimensions on the fly

Browse Source 
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Paul B Mahol 2012-01-06 03:07:31 +02:00 committed by Martin Storsjö
parent c5d907b6b0
commit 17aa02b9a1
1 changed files with 4 additions and 4 deletions

8
libavcodec/interplayvideo.c
View File

@ -1019,9 +1019,6 @@ static av_cold int ipvideo_decode_init(AVCodecContext *avctx)
dsputil_init(&s->dsp, avctx); dsputil_init(&s->dsp, avctx);
/* decoding map contains 4 bits of information per 8x8 block */
s->decoding_map_size = avctx->width * avctx->height / (8 * 8 * 2);
s->current_frame.data[0] = s->last_frame.data[0] = s->current_frame.data[0] = s->last_frame.data[0] =
s->second_last_frame.data[0] = NULL; s->second_last_frame.data[0] = NULL;
@ -1036,6 +1033,9 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
int buf_size = avpkt->size; int buf_size = avpkt->size;
IpvideoContext *s = avctx->priv_data; IpvideoContext *s = avctx->priv_data;
/* decoding map contains 4 bits of information per 8x8 block */
s->decoding_map_size = avctx->width * avctx->height / (8 * 8 * 2);
/* compressed buffer needs to be large enough to at least hold an entire /* compressed buffer needs to be large enough to at least hold an entire
* decoding map */ * decoding map */
if (buf_size < s->decoding_map_size) if (buf_size < s->decoding_map_size)
@ -1096,6 +1096,6 @@ AVCodec ff_interplay_video_decoder = {
.init = ipvideo_decode_init, .init = ipvideo_decode_init,
.close = ipvideo_decode_end, .close = ipvideo_decode_end,
.decode = ipvideo_decode_frame, .decode = ipvideo_decode_frame,
.capabilities = CODEC_CAP_DR1, .capabilities = CODEC_CAP_DR1 | CODEC_CAP_PARAM_CHANGE,
.long_name = NULL_IF_CONFIG_SMALL("Interplay MVE video"), .long_name = NULL_IF_CONFIG_SMALL("Interplay MVE video"),
}; };