28 #define MAX_SLICES 256
31 DXVA_PicParams_HEVC
pp;
40 unsigned index,
unsigned flag)
42 av_assert0((index & 0x7f) == index && (flag & 0x01) == flag);
43 pic->bPicEntry = index | (flag << 7);
50 if ((pp->RefPicList[i].bPicEntry & 0x7f) == surface_index)
57 DXVA_PicParams_HEVC *pp)
62 memset(pp, 0,
sizeof(*pp));
156 pp->CurrPicOrderCntVal = h->
poc;
169 pp->PicOrderCntValList[i] = frame->
poc;
171 pp->RefPicList[i].bPicEntry = 0xff;
172 pp->PicOrderCntValList[i] = 0;
176 #define DO_REF_LIST(ref_idx, ref_list) { \
177 const RefPicList *rpl = &h->rps[ref_idx]; \
178 for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->ref_list); i++) { \
179 const HEVCFrame *frame = NULL; \
180 while (!frame && j < rpl->nb_refs) \
181 frame = rpl->ref[j++]; \
183 pp->ref_list[i] = get_refpic_index(pp, ff_dxva2_get_surface_index(avctx, ctx, frame->frame)); \
185 pp->ref_list[i] = 0xff; \
194 pp->StatusReportFeedbackNumber = 1 + DXVA_CONTEXT_REPORT_ID(avctx, ctx)++;
203 memset(qm, 0,
sizeof(*qm));
204 for (i = 0; i < 6; i++) {
205 for (j = 0; j < 16; j++) {
207 qm->ucScalingLists0[i][j] = sl->
sl[0][i][pos];
210 for (j = 0; j < 64; j++) {
212 qm->ucScalingLists1[i][j] = sl->
sl[1][i][pos];
213 qm->ucScalingLists2[i][j] = sl->
sl[2][i][pos];
216 qm->ucScalingLists3[i][j] = sl->
sl[3][i * 3][pos];
219 qm->ucScalingListDCCoefSizeID2[i] = sl->
sl_dc[0][i];
221 qm->ucScalingListDCCoefSizeID3[i] = sl->
sl_dc[1][i * 3];
226 unsigned position,
unsigned size)
228 memset(slice, 0,
sizeof(*slice));
229 slice->BSNALunitDataLocation = position;
230 slice->SliceBytesInBuffer =
size;
231 slice->wBadSliceChopping = 0;
242 DXVA_Slice_HEVC_Short *slice =
NULL;
255 type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
256 if (
FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
259 &dxva_size, &dxva_data_ptr)))
265 type = DXVA2_BitStreamDateBufferType;
266 if (
FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->
decoder,
268 &dxva_data_ptr, &dxva_size)))
273 dxva_data = dxva_data_ptr;
275 end = dxva_data + dxva_size;
279 static const unsigned start_code_size =
sizeof(
start_code);
280 unsigned position,
size;
284 position = slice->BSNALunitDataLocation;
285 size = slice->SliceBytesInBuffer;
286 if (start_code_size + size > end - current) {
291 slice->BSNALunitDataLocation = current - dxva_data;
292 slice->SliceBytesInBuffer = start_code_size +
size;
294 memcpy(current, start_code, start_code_size);
295 current += start_code_size;
297 memcpy(current, &ctx_pic->
bitstream[position], size);
300 padding =
FFMIN(128 - ((current - dxva_data) & 127), end - current);
301 if (slice && padding > 0) {
302 memset(current, 0, padding);
305 slice->SliceBytesInBuffer += padding;
309 if (
FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->
decoder, type)))
314 if (
FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->
decoder, type)))
322 D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
323 memset(dsc11, 0,
sizeof(*dsc11));
324 dsc11->BufferType =
type;
325 dsc11->DataSize = current - dxva_data;
326 dsc11->NumMBsInBuffer = 0;
328 type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
333 DXVA2_DecodeBufferDesc *dsc2 = bs;
334 memset(dsc2, 0,
sizeof(*dsc2));
335 dsc2->CompressedBufferType =
type;
336 dsc2->DataSize = current - dxva_data;
337 dsc2->NumMBsInBuffer = 0;
339 type = DXVA2_SliceControlBufferType;
346 av_assert0(((current - dxva_data) & 127) == 0);
349 slice_data, slice_size, 0);
361 if (DXVA_CONTEXT_DECODER(avctx, ctx) ==
NULL ||
362 DXVA_CONTEXT_CFG(avctx, ctx) ==
NULL ||
363 DXVA_CONTEXT_COUNT(avctx, ctx) <= 0)
406 int scale = ctx_pic->
pp.dwCodingParamToolFlags & 1;
413 &ctx_pic->
pp,
sizeof(ctx_pic->
pp),
414 scale ? &ctx_pic->
qm :
NULL, scale ?
sizeof(ctx_pic->
qm) : 0,
419 #if CONFIG_HEVC_DXVA2_HWACCEL
421 .
name =
"hevc_dxva2",
432 #if CONFIG_HEVC_D3D11VA_HWACCEL
434 .
name =
"hevc_d3d11va",
unsigned int log2_min_cb_size
static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx, DECODER_BUFFER_DESC *bs, DECODER_BUFFER_DESC *sc)
int max_dec_pic_buffering
const uint8_t * bitstream
unsigned int * row_height
RowHeight.
void * hwaccel_picture_private
const uint8_t ff_hevc_diag_scan4x4_x[16]
uint8_t weighted_bipred_flag
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
uint8_t seq_loop_filter_across_slices_enabled_flag
uint8_t cabac_init_present_flag
static void fill_slice_short(DXVA_Slice_HEVC_Short *slice, unsigned position, unsigned size)
#define FF_ARRAY_ELEMS(a)
int num_ref_idx_l0_default_active
num_ref_idx_l0_default_active_minus1 + 1
uint8_t entropy_coding_sync_enabled_flag
int log2_parallel_merge_level
log2_parallel_merge_level_minus2 + 2
#define av_assert0(cond)
assert() equivalent, that is always enabled.
static int get_refpic_index(const DXVA_PicParams_HEVC *pp, int surface_index)
unsigned int log2_max_trafo_size
void * hwaccel_context
Hardware accelerator context.
static av_cold int end(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 num_ref_idx_l1_default_active
num_ref_idx_l1_default_active_minus1 + 1
unsigned int log2_min_pcm_cb_size
DXVA_Slice_HEVC_Short slice_short[MAX_SLICES]
uint8_t scaling_list_data_present_flag
uint8_t loop_filter_disable_flag
uint8_t transquant_bypass_enable_flag
#define HEVC_FRAME_FLAG_LONG_REF
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
unsigned int log2_max_poc_lsb
simple assert() macros that are a bit more flexible than ISO C assert().
static void fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, const HEVCContext *h, DXVA_PicParams_HEVC *pp)
uint8_t tiles_enabled_flag
uint8_t lists_modification_present_flag
#define HEVC_FRAME_FLAG_SHORT_REF
const char * name
Name of the hardware accelerated codec.
int max_transform_hierarchy_depth_inter
int num_tile_columns
num_tile_columns_minus1 + 1
static const chunk_decoder decoder[8]
uint8_t cu_qp_delta_enabled_flag
static void fill_scaling_lists(AVDXVAContext *ctx, const HEVCContext *h, DXVA_Qmatrix_HEVC *qm)
uint8_t sign_data_hiding_flag
uint8_t output_flag_present_flag
uint8_t constrained_intra_pred_flag
uint8_t pic_slice_level_chroma_qp_offsets_present_flag
uint8_t transform_skip_enabled_flag
uint8_t uniform_spacing_flag
unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, const AVDXVAContext *ctx, const AVFrame *frame)
main external API structure.
int num_extra_slice_header_bits
static void fill_picture_entry(DXVA_PicEntry_HEVC *pic, unsigned index, unsigned flag)
uint8_t loop_filter_across_tiles_enabled_flag
uint8_t num_long_term_ref_pics_sps
int ff_dxva2_commit_buffer(AVCodecContext *avctx, AVDXVAContext *ctx, DECODER_BUFFER_DESC *dsc, unsigned type, const void *data, unsigned size, unsigned mb_count)
uint8_t sps_temporal_mvp_enabled_flag
int num_tile_rows
num_tile_rows_minus1 + 1
const uint8_t ff_hevc_diag_scan8x8_y[64]
unsigned int log2_min_tb_size
uint8_t scaling_list_enable_flag
int tc_offset
tc_offset_div2 * 2
HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer. ...
uint8_t flags
A combination of HEVC_FRAME_FLAG_*.
static const uint8_t start_code[]
unsigned int log2_diff_max_min_coding_block_size
unsigned int log2_max_pcm_cb_size
int max_transform_hierarchy_depth_intra
#define DO_REF_LIST(ref_idx, ref_list)
uint8_t weighted_pred_flag
unsigned int * column_width
ColumnWidth.
static int dxva2_hevc_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
uint8_t slice_header_extension_present_flag
uint8_t sps_strong_intra_smoothing_enable_flag
uint8_t long_term_ref_pics_present_flag
int diff_cu_qp_delta_depth
const uint8_t ff_hevc_diag_scan8x8_x[64]
struct HEVCSPS::@50 temporal_layer[MAX_SUB_LAYERS]
HW decoding through Direct3D11, Picture.data[3] contains a ID3D11VideoDecoderOutputView pointer...
static int dxva2_hevc_end_frame(AVCodecContext *avctx)
uint8_t deblocking_filter_override_enabled_flag
int beta_offset
beta_offset_div2 * 2
static int dxva2_hevc_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
uint8_t separate_colour_plane_flag
output (i.e. cropped) values
const uint8_t ff_hevc_diag_scan4x4_y[16]
uint8_t dependent_slice_segments_enabled_flag