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interplayvideo: Handle changed video dimensions on the fly

Signed-off-by: Martin Storsjö <martin@martin.st>
tags/n0.10
Paul B Mahol Martin Storsjö 13 years ago
parent
commit
17aa02b9a1
1 changed files with 4 additions and 4 deletions
  1. +4
    -4
      libavcodec/interplayvideo.c

+ 4
- 4
libavcodec/interplayvideo.c View File

@@ -1019,9 +1019,6 @@ static av_cold int ipvideo_decode_init(AVCodecContext *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->second_last_frame.data[0] = NULL;

@@ -1036,6 +1033,9 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
int buf_size = avpkt->size;
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
* decoding map */
if (buf_size < s->decoding_map_size)
@@ -1096,6 +1096,6 @@ AVCodec ff_interplay_video_decoder = {
.init = ipvideo_decode_init,
.close = ipvideo_decode_end,
.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"),
};

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