return AVERROR(ENOSYS);
}
s->codec_id = avctx->codec->id;
- avctx->hwaccel = ff_find_hwaccel(avctx);
+ if (avctx->stream_codec_tag == AV_RL32("l263") && avctx->extradata_size == 56 && avctx->extradata[0] == 1)
+ s->ehc_mode = 1;
+
/* for h263, we allocate the images after having read the header */
if (avctx->codec->id != AV_CODEC_ID_H263 &&
+ avctx->codec->id != AV_CODEC_ID_H263P &&
avctx->codec->id != AV_CODEC_ID_MPEG4)
if ((ret = ff_MPV_common_init(s)) < 0)
return ret;
const uint8_t *value;
};
- /**
- * Return the hardware accelerated codec for codec codec_id and
- * pixel format pix_fmt.
- *
- * @param avctx The codec context containing the codec_id and pixel format.
- * @return the hardware accelerated codec, or NULL if none was found.
- */
- AVHWAccel *ff_find_hwaccel(AVCodecContext *avctx);
-
+extern const uint8_t ff_log2_run[41];
+
/**
* Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
* If there is no such matching pair then size is returned.
return AV_PIX_FMT_YUV444P;
}
- avctx->hwaccel = ff_find_hwaccel(avctx);
+static void setup_hwaccel_for_pixfmt(AVCodecContext *avctx)
+{
+ // until then pix_fmt may be changed right after codec init
+ if (avctx->hwaccel || uses_vdpau(avctx))
+ if (avctx->idct_algo == FF_IDCT_AUTO)
+ avctx->idct_algo = FF_IDCT_SIMPLE;
+
+ if (avctx->hwaccel && avctx->pix_fmt == AV_PIX_FMT_XVMC) {
+ Mpeg1Context *s1 = avctx->priv_data;
+ MpegEncContext *s = &s1->mpeg_enc_ctx;
+
+ s->pack_pblocks = 1;
+#if FF_API_XVMC
+ avctx->xvmc_acceleration = 2;
+#endif /* FF_API_XVMC */
+ }
+}
+
/* Call this function when we know all parameters.
* It may be called in different places for MPEG-1 and MPEG-2. */
static int mpeg_decode_postinit(AVCodecContext *avctx)
avctx->pix_fmt = ff_get_format(avctx, avctx->codec->pix_fmts);
else
avctx->pix_fmt = AV_PIX_FMT_GRAY8;
- avctx->hwaccel = ff_find_hwaccel(avctx);
v->s.avctx = avctx;
- if (ff_vc1_init_common(v) < 0)
- return -1;
+ if ((ret = ff_vc1_init_common(v)) < 0)
+ return ret;
+ // ensure static VLC tables are initialized
+ if ((ret = ff_msmpeg4_decode_init(avctx)) < 0)
+ return ret;
+ if ((ret = ff_vc1_decode_init_alloc_tables(v)) < 0)
+ return ret;
+ // Hack to ensure the above functions will be called
+ // again once we know all necessary settings.
+ // That this is necessary might indicate a bug.
+ ff_vc1_decode_end(avctx);
+
ff_h264chroma_init(&v->h264chroma, 8);
- ff_vc1dsp_init(&v->vc1dsp);
if (avctx->codec_id == AV_CODEC_ID_WMV3 || avctx->codec_id == AV_CODEC_ID_WMV3IMAGE) {
int count = 0;