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mpeg12: reduce hwaccel-related code duplication. 

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2013-02-24 17:21:53 +01:00
parent 7d15cd4f4a
commit 23426987fa
1 changed files with 18 additions and 19 deletions
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37
libavcodec/mpeg12.c
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@ -1237,23 +1237,31 @@ static enum AVPixelFormat mpeg_get_pixelformat(AVCodecContext *avctx)
MpegEncContext *s = &s1->mpeg_enc_ctx;
if(s->chroma_format < 2) {
enum AVPixelFormat res;
res = avctx->get_format(avctx,
return avctx->get_format(avctx,
avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO ?
mpeg1_hwaccel_pixfmt_list_420 :
mpeg2_hwaccel_pixfmt_list_420);
if (res != AV_PIX_FMT_XVMC_MPEG2_IDCT && res != AV_PIX_FMT_XVMC_MPEG2_MC) {
avctx->xvmc_acceleration = 0;
} else if (!avctx->xvmc_acceleration) {
avctx->xvmc_acceleration = 2;
}
return res;
} else if(s->chroma_format == 2)
return AV_PIX_FMT_YUV422P;
else
return AV_PIX_FMT_YUV444P;
}
static void setup_hwaccel_for_pixfmt(AVCodecContext *avctx)
{
if (avctx->pix_fmt != AV_PIX_FMT_XVMC_MPEG2_IDCT && avctx->pix_fmt != AV_PIX_FMT_XVMC_MPEG2_MC) {
avctx->xvmc_acceleration = 0;
} else if (!avctx->xvmc_acceleration) {
avctx->xvmc_acceleration = 2;
}
avctx->hwaccel = ff_find_hwaccel(avctx->codec->id, avctx->pix_fmt);
// until then pix_fmt may be changed right after codec init
if (avctx->pix_fmt == AV_PIX_FMT_XVMC_MPEG2_IDCT ||
avctx->hwaccel || uses_vdpau(avctx))
if (avctx->idct_algo == FF_IDCT_AUTO)
avctx->idct_algo = FF_IDCT_SIMPLE;
}
/* 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)
@ -1348,12 +1356,7 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
} // MPEG-2
avctx->pix_fmt = mpeg_get_pixelformat(avctx);
avctx->hwaccel = ff_find_hwaccel(avctx->codec->id, avctx->pix_fmt);
// until then pix_fmt may be changed right after codec init
if (avctx->pix_fmt == AV_PIX_FMT_XVMC_MPEG2_IDCT ||
avctx->hwaccel || uses_vdpau(avctx))
if (avctx->idct_algo == FF_IDCT_AUTO)
avctx->idct_algo = FF_IDCT_SIMPLE;
setup_hwaccel_for_pixfmt(avctx);
/* Quantization matrices may need reordering
* if DCT permutation is changed. */
@ -2105,11 +2108,7 @@ static int vcr2_init_sequence(AVCodecContext *avctx)
s->low_delay = 1;
avctx->pix_fmt = mpeg_get_pixelformat(avctx);
avctx->hwaccel = ff_find_hwaccel(avctx->codec->id, avctx->pix_fmt);
if (avctx->pix_fmt == AV_PIX_FMT_XVMC_MPEG2_IDCT || avctx->hwaccel || uses_vdpau(avctx))
if (avctx->idct_algo == FF_IDCT_AUTO)
avctx->idct_algo = FF_IDCT_SIMPLE;
setup_hwaccel_for_pixfmt(avctx);
if (ff_MPV_common_init(s) < 0)
return -1;