28 #define MAX_SLICES 1024
31 DXVA_PictureParameters
pp;
41 DXVA_PictureParameters *pp)
44 const Picture *current_picture =
s->current_picture_ptr;
55 memset(pp, 0,
sizeof(*pp));
56 pp->wDecodedPictureIndex =
61 pp->wForwardRefPictureIndex = 0xffff;
65 pp->wBackwardRefPictureIndex = 0xffff;
68 pp->wPicWidthInMBminus1 = avctx->
width - 1;
69 pp->wPicHeightInMBminus1= avctx->
height - 1;
72 pp->wPicWidthInMBminus1 =
s->mb_width - 1;
73 pp->wPicHeightInMBminus1=
s->mb_height - 1;
75 pp->bMacroblockWidthMinus1 = 15;
76 pp->bMacroblockHeightMinus1 = 15;
77 pp->bBlockWidthMinus1 = 7;
78 pp->bBlockHeightMinus1 = 7;
81 pp->bPicStructure |= 0x01;
83 pp->bPicStructure |= 0x02;
87 pp->bBidirectionalAveragingMode = (1 << 7) |
88 ((DXVA_CONTEXT_CFG_INTRARESID(avctx,
ctx) != 0) << 6) |
89 ((DXVA_CONTEXT_CFG_RESIDACCEL(avctx,
ctx) != 0) << 5) |
95 (!
s->quarter_sample );
97 DXVA_CONTEXT_REPORT_ID(avctx,
ctx)++;
98 if (DXVA_CONTEXT_REPORT_ID(avctx,
ctx) >= (1 << 16))
99 DXVA_CONTEXT_REPORT_ID(avctx,
ctx) = 1;
100 pp->bPicScanFixed = DXVA_CONTEXT_REPORT_ID(avctx,
ctx) >> 8;
101 pp->bPicScanMethod = DXVA_CONTEXT_REPORT_ID(avctx,
ctx) & 0xff;
102 pp->bPicReadbackRequests = 0;
103 pp->bRcontrol = v->
rnd;
106 (
s->loop_filter << 5) |
117 pp->bPicDeblocked = ((!pp->bPicBackwardPrediction && v->
overlap) << 6) |
119 (
s->loop_filter << 1);
139 pp->bReservedBits = v->
pq;
143 pp->wBitstreamPCEelements = v->
lumshift;
145 pp->wBitstreamFcodes = 32;
146 pp->wBitstreamPCEelements = 0;
154 pp->wBitstreamFcodes = (32 << 8) | 32;
155 pp->wBitstreamPCEelements = 0;
158 pp->bBitstreamConcealmentNeed = 0;
159 pp->bBitstreamConcealmentMethod = 0;
163 unsigned position,
unsigned size)
168 memset(slice, 0,
sizeof(*slice));
169 slice->wHorizontalPosition = 0;
170 slice->wVerticalPosition =
s->mb_y;
171 slice->dwSliceBitsInBuffer = 8 *
size;
172 slice->dwSliceDataLocation = position;
173 slice->bStartCodeBitOffset = 0;
177 slice->wNumberMBsInSlice = (
s->mb_y >> v->
field_mode) *
s->mb_width +
s->mb_x;
178 slice->wQuantizerScaleCode = v->
pq;
179 slice->wBadSliceChopping = 0;
193 const unsigned mb_count =
s->mb_width * (
s->mb_height >> v->
field_mode);
196 uint8_t *dxva_data, *current, *end;
204 type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
208 &dxva_size, &dxva_data_ptr)))
214 type = DXVA2_BitStreamDateBufferType;
217 &dxva_data_ptr, &dxva_size)))
222 dxva_data = dxva_data_ptr;
224 end = dxva_data + dxva_size;
227 unsigned position,
size;
229 position =
slice->dwSliceDataLocation;
231 if (start_code_size +
size > end - current) {
235 slice->dwSliceDataLocation = current - dxva_data;
238 slice->wNumberMBsInSlice =
239 slice[1].wNumberMBsInSlice -
slice[0].wNumberMBsInSlice;
241 slice->wNumberMBsInSlice =
242 mb_count -
slice[0].wNumberMBsInSlice;
245 if (start_code_size) {
252 current += start_code_size;
253 slice->dwSliceBitsInBuffer += start_code_size * 8;
259 padding =
FFMIN(128 - ((current - dxva_data) & 127), end - current);
260 if (
slice && padding > 0) {
261 memset(current, 0, padding);
263 slice->dwSliceBitsInBuffer += padding * 8;
281 D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
282 memset(dsc11, 0,
sizeof(*dsc11));
283 dsc11->BufferType =
type;
284 dsc11->DataSize = current - dxva_data;
285 dsc11->NumMBsInBuffer = mb_count;
287 type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
292 DXVA2_DecodeBufferDesc *dsc2 = bs;
293 memset(dsc2, 0,
sizeof(*dsc2));
294 dsc2->CompressedBufferType =
type;
295 dsc2->DataSize = current - dxva_data;
296 dsc2->NumMBsInBuffer = mb_count;
298 type = DXVA2_SliceControlBufferType;
317 if (!DXVA_CONTEXT_VALID(avctx,
ctx))
369 &ctx_pic->
pp,
sizeof(ctx_pic->
pp),
377 #if CONFIG_WMV3_DXVA2_HWACCEL
379 .
name =
"wmv3_dxva2",
394 #if CONFIG_VC1_DXVA2_HWACCEL
411 #if CONFIG_WMV3_D3D11VA_HWACCEL
413 .
name =
"wmv3_d3d11va",
428 #if CONFIG_WMV3_D3D11VA2_HWACCEL
430 .
name =
"wmv3_d3d11va2",
445 #if CONFIG_VC1_D3D11VA_HWACCEL
447 .
name =
"vc1_d3d11va",
462 #if CONFIG_VC1_D3D11VA2_HWACCEL
464 .
name =
"vc1_d3d11va2",
int ff_dxva2_is_d3d11(const AVCodecContext *avctx)
int ff_dxva2_decode_init(AVCodecContext *avctx)
int ff_dxva2_commit_buffer(AVCodecContext *avctx, AVDXVAContext *ctx, DECODER_BUFFER_DESC *dsc, unsigned type, const void *data, unsigned size, unsigned mb_count)
int ff_dxva2_decode_uninit(AVCodecContext *avctx)
int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame, const void *pp, unsigned pp_size, const void *qm, unsigned qm_size, int(*commit_bs_si)(AVCodecContext *, DECODER_BUFFER_DESC *bs, DECODER_BUFFER_DESC *slice))
int ff_dxva2_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, const AVDXVAContext *ctx, const AVFrame *frame)
#define DXVA_CONTEXT(avctx)
#define DXVA2_CONTEXT(ctx)
#define D3D11VA_CONTEXT(ctx)
static void fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice, unsigned position, unsigned size)
static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx, DECODER_BUFFER_DESC *bs, DECODER_BUFFER_DESC *sc)
static int dxva2_vc1_end_frame(AVCodecContext *avctx)
static int dxva2_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
static void fill_picture_parameters(AVCodecContext *avctx, AVDXVAContext *ctx, const VC1Context *v, DXVA_PictureParameters *pp)
static int dxva2_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
static int get_bits_count(const GetBitContext *s)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
@ AV_PICTURE_TYPE_I
Intra.
@ AV_PICTURE_TYPE_P
Predicted.
@ AV_PICTURE_TYPE_B
Bi-dir predicted.
const AVHWAccel ff_wmv3_d3d11va_hwaccel
const AVHWAccel ff_vc1_dxva2_hwaccel
const AVHWAccel ff_wmv3_dxva2_hwaccel
const AVHWAccel ff_wmv3_d3d11va2_hwaccel
const AVHWAccel ff_vc1_d3d11va2_hwaccel
const AVHWAccel ff_vc1_d3d11va_hwaccel
static const chunk_decoder decoder[8]
#define PICT_BOTTOM_FIELD
void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h)
@ AV_PIX_FMT_DXVA2_VLD
HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer.
@ AV_PIX_FMT_D3D11
Hardware surfaces for Direct3D11.
@ AV_PIX_FMT_D3D11VA_VLD
HW decoding through Direct3D11 via old API, Picture.data[3] contains a ID3D11VideoDecoderOutputView p...
main external API structure.
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
int width
picture width / height.
const char * name
Name of the hardware accelerated codec.
Picture * current_picture_ptr
pointer to the current picture
void * hwaccel_picture_private
Hardware accelerator private data.
int tfcntrflag
TFCNTR present.
int profile
Sequence header data for all Profiles TODO: choose between ints, uint8_ts and monobit flags.
uint8_t bfraction_lut_index
Index for BFRACTION value (see Table 40, reproduced into ff_vc1_bfraction_lut[])
int dquant
How qscale varies with MBs, 2 bits (not in Simple)
int multires
frame-level RESPIC syntax element present
int finterpflag
INTERPFRM present.
int extended_mv
Ext MV in P/B (not in Simple)
int extended_dmv
Additional extended dmv range at P/B-frame-level.
int panscanflag
NUMPANSCANWIN, TOPLEFT{X,Y}, BOTRIGHT{X,Y} present.
uint8_t mv_mode2
Secondary MV coding mode (B-frames)
int psf
Progressive Segmented Frame.
int refdist
distance of the current picture from reference
int field_mode
1 for interlaced field pictures
uint8_t rangeredfrm
Frame decoding info for S/M profiles only.
int quantizer_mode
2 bits, quantizer mode used for sequence, see QUANT_*
int broadcast
TFF/RFF present.
int refdist_flag
REFDIST syntax element present in II, IP, PI or PP field picture headers.
int chromaformat
2 bits, 2=4:2:0, only defined
int overlap
overlapped transforms in use
uint8_t mv_mode
Frame decoding info for all profiles.
int postprocflag
Per-frame processing suggestion flag present.
enum FrameCodingMode fcm
Frame decoding info for Advanced profile.
int interlace
Progressive/interlaced (RPTFTM syntax element)
uint8_t lumscale
Luma compensation parameters.
uint8_t lumscale2
for interlaced field P picture
int resync_marker
could this stream contain resync markers
int fastuvmc
Rounding of qpel vector to hpel ? (not in Simple)
int rangered
RANGEREDFRM (range reduction) syntax element present at frame level.
int vstransform
variable-size [48]x[48] transform type + info
DXVA_SliceInfo slice[MAX_SLICES]
const uint8_t * bitstream
#define avpriv_request_sample(...)
@ PROGRESSIVE
in the bitstream is reported as 00b
@ ILACE_FIELD
in the bitstream is reported as 11b
@ ILACE_FRAME
in the bitstream is reported as 10b
@ MV_PMODE_INTENSITY_COMP
@ MV_PMODE_1MV_HPEL_BILIN