*/
/**
- * @file libavcodec/svq1.c
+ * @file
* Sorenson Vector Quantizer #1 (SVQ1) video codec.
* For more information of the SVQ1 algorithm, visit:
* http://www.pcisys.net/~melanson/codecs/
uint8_t *current, *previous;
int result, i, x, y, width, height;
AVFrame *pict = data;
+ svq1_pmv *pmv;
/* initialize bit buffer */
init_get_bits(&s->gb,buf,buf_size*8);
if(MPV_frame_start(s, avctx) < 0)
return -1;
+ pmv = av_malloc((FFALIGN(s->width, 16)/8 + 3) * sizeof(*pmv));
+ if (!pmv)
+ return -1;
+
/* decode y, u and v components */
for (i=0; i < 3; i++) {
int linesize;
//#ifdef DEBUG_SVQ1
av_log(s->avctx, AV_LOG_INFO, "Error in svq1_decode_block %i (keyframe)\n",result);
//#endif
- return result;
+ goto err;
}
}
current += 16*linesize;
}
} else {
- svq1_pmv pmv[width/8+3];
/* delta frame */
memset (pmv, 0, ((width / 8) + 3) * sizeof(svq1_pmv));
#ifdef DEBUG_SVQ1
av_log(s->avctx, AV_LOG_INFO, "Error in svq1_decode_delta_block %i\n",result);
#endif
- return result;
+ goto err;
}
}
MPV_frame_end(s);
*data_size=sizeof(AVFrame);
- return buf_size;
+ result = buf_size;
+err:
+ av_free(pmv);
+ return result;
}
static av_cold int svq1_decode_init(AVCodecContext *avctx)
AVCodec svq1_decoder = {
"svq1",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_SVQ1,
sizeof(MpegEncContext),
svq1_decode_init,
CODEC_CAP_DR1,
.flush= ff_mpeg_flush,
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV410P, PIX_FMT_NONE},
- .long_name= NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 1"),
+ .long_name= NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1"),
};