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Code Issues Releases Activity

Allow selecting VDPAU, XvMC via get_format for MPEG-2

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To avoid further special-casing, dummy AVHWAccels are added
for VDPAU.
It should be possible to move VDPAU completely to AVHWAccel later.
This commit is contained in:
Reimar Döffinger 2011-03-28 22:33:58 +02:00
parent e7c7b0d000
commit 9b7a0c5d88
3 changed files with 82 additions and 26 deletions
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2
libavcodec/allcodecs.c
View File

@ -57,8 +57,10 @@ void avcodec_register_all(void)
REGISTER_HWACCEL (H263_VAAPI, h263_vaapi);
REGISTER_HWACCEL (H264_DXVA2, h264_dxva2);
REGISTER_HWACCEL (H264_VAAPI, h264_vaapi);
REGISTER_HWACCEL (MPEG1_VDPAU, mpeg1_vdpau);
REGISTER_HWACCEL (MPEG2_DXVA2, mpeg2_dxva2);
REGISTER_HWACCEL (MPEG2_VAAPI, mpeg2_vaapi);
REGISTER_HWACCEL (MPEG2_VDPAU, mpeg2_vdpau);
REGISTER_HWACCEL (MPEG4_VAAPI, mpeg4_vaapi);
REGISTER_HWACCEL (VC1_DXVA2, vc1_dxva2);
REGISTER_HWACCEL (VC1_VAAPI, vc1_vaapi);

64
libavcodec/mpeg12.c
View File

@ -67,11 +67,6 @@ static inline int mpeg2_fast_decode_block_intra(MpegEncContext *s, DCTELEM *bloc
static int mpeg_decode_motion(MpegEncContext *s, int fcode, int pred);
static void exchange_uv(MpegEncContext *s);
static const enum PixelFormat pixfmt_xvmc_mpg2_420[] = {
PIX_FMT_XVMC_MPEG2_IDCT,
PIX_FMT_XVMC_MPEG2_MC,
PIX_FMT_NONE};
uint8_t ff_mpeg12_static_rl_table_store[2][2][2*MAX_RUN + MAX_LEVEL + 3];
@ -1213,25 +1208,50 @@ static void quant_matrix_rebuild(uint16_t *matrix, const uint8_t *old_perm,
}
}
static const enum PixelFormat mpeg1_hwaccel_pixfmt_list_420[] = {
PIX_FMT_XVMC_MPEG2_IDCT,
PIX_FMT_XVMC_MPEG2_MC,
PIX_FMT_VDPAU_MPEG1,
PIX_FMT_DXVA2_VLD,
PIX_FMT_VAAPI_VLD,
PIX_FMT_YUV420P,
PIX_FMT_NONE
};
static const enum PixelFormat mpeg2_hwaccel_pixfmt_list_420[] = {
PIX_FMT_XVMC_MPEG2_IDCT,
PIX_FMT_XVMC_MPEG2_MC,
PIX_FMT_VDPAU_MPEG2,
PIX_FMT_DXVA2_VLD,
PIX_FMT_VAAPI_VLD,
PIX_FMT_YUV420P,
PIX_FMT_NONE
};
static inline int uses_vdpau(AVCodecContext *avctx) {
return avctx->pix_fmt == PIX_FMT_VDPAU_MPEG1 || avctx->pix_fmt == PIX_FMT_VDPAU_MPEG2;
}
static enum PixelFormat mpeg_get_pixelformat(AVCodecContext *avctx){
Mpeg1Context *s1 = avctx->priv_data;
MpegEncContext *s = &s1->mpeg_enc_ctx;
if(avctx->xvmc_acceleration)
return avctx->get_format(avctx,pixfmt_xvmc_mpg2_420);
else if(avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU){
if(avctx->codec_id == CODEC_ID_MPEG1VIDEO)
return PIX_FMT_VDPAU_MPEG1;
else
return PIX_FMT_VDPAU_MPEG2;
}else{
if(s->chroma_format < 2)
return avctx->get_format(avctx,ff_hwaccel_pixfmt_list_420);
else if(s->chroma_format == 2)
if(s->chroma_format < 2) {
enum PixelFormat res;
res = avctx->get_format(avctx,
avctx->codec_id == CODEC_ID_MPEG1VIDEO ?
mpeg1_hwaccel_pixfmt_list_420 :
mpeg2_hwaccel_pixfmt_list_420);
if (res != PIX_FMT_XVMC_MPEG2_IDCT && res != 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 PIX_FMT_YUV422P;
else
return PIX_FMT_YUV444P;
}
}
/* Call this function when we know all parameters.
@ -1334,8 +1354,7 @@ static int mpeg_decode_postinit(AVCodecContext *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 == PIX_FMT_XVMC_MPEG2_IDCT ||
avctx->hwaccel ||
s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU )
avctx->hwaccel )
if( avctx->idct_algo == FF_IDCT_AUTO )
avctx->idct_algo = FF_IDCT_SIMPLE;
@ -2081,8 +2100,7 @@ static int vcr2_init_sequence(AVCodecContext *avctx)
avctx->pix_fmt = mpeg_get_pixelformat(avctx);
avctx->hwaccel = ff_find_hwaccel(avctx->codec->id, avctx->pix_fmt);
if( avctx->pix_fmt == PIX_FMT_XVMC_MPEG2_IDCT || avctx->hwaccel ||
s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU )
if( avctx->pix_fmt == PIX_FMT_XVMC_MPEG2_IDCT || avctx->hwaccel )
if( avctx->idct_algo == FF_IDCT_AUTO )
avctx->idct_algo = FF_IDCT_SIMPLE;
@ -2313,7 +2331,7 @@ static int decode_chunks(AVCodecContext *avctx,
s2->error_count += s2->thread_context[i]->error_count;
}
if (CONFIG_MPEG_VDPAU_DECODER && avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
if (uses_vdpau(avctx))
ff_vdpau_mpeg_picture_complete(s2, buf, buf_size, s->slice_count);
if (slice_end(avctx, picture)) {
@ -2472,7 +2490,7 @@ static int decode_chunks(AVCodecContext *avctx,
return -1;
}
if (avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) {
if (uses_vdpau(avctx)) {
s->slice_count++;
break;
}

36
libavcodec/vdpau.c
View File

@ -369,4 +369,40 @@ void ff_vdpau_mpeg4_decode_picture(MpegEncContext *s, const uint8_t *buf,
render->bitstream_buffers_used = 0;
}
// Only dummy functions for now
static int vdpau_mpeg2_start_frame(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
{
return 0;
}
static int vdpau_mpeg2_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
{
return 0;
}
static int vdpau_mpeg2_end_frame(AVCodecContext *avctx)
{
return 0;
}
AVHWAccel ff_mpeg1_vdpau_hwaccel = {
.name = "mpeg1_vdpau",
.type = AVMEDIA_TYPE_VIDEO,
.id = CODEC_ID_MPEG1VIDEO,
.pix_fmt = PIX_FMT_VDPAU_MPEG1,
.start_frame = vdpau_mpeg2_start_frame,
.end_frame = vdpau_mpeg2_end_frame,
.decode_slice = vdpau_mpeg2_decode_slice,
};
AVHWAccel ff_mpeg2_vdpau_hwaccel = {
.name = "mpeg2_vdpau",
.type = AVMEDIA_TYPE_VIDEO,
.id = CODEC_ID_MPEG2VIDEO,
.pix_fmt = PIX_FMT_VDPAU_MPEG2,
.start_frame = vdpau_mpeg2_start_frame,
.end_frame = vdpau_mpeg2_end_frame,
.decode_slice = vdpau_mpeg2_decode_slice,
};
/* @}*/