*
* copyright (c) 2009 Laurent Aimar
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "dxva2.h"
-#include "avcodec.h"
-
-#include "mpegvideo.h"
+#include "dxva2_internal.h"
#include "h264.h"
#include "h264data.h"
unsigned bitstream_size;
};
-static void *ff_dxva2_get_surface(const Picture *picture)
-{
- return picture->data[3];
-}
-static unsigned ff_dxva2_get_surface_index(const struct dxva_context *ctx,
- const Picture *picture)
-{
- void *surface = ff_dxva2_get_surface(picture);
- unsigned i;
-
- for (i = 0; i < ctx->surface_count; i++)
- if (ctx->surface[i] == surface)
- return i;
-
- assert(0);
- return 0;
-}
-
static void fill_picture_entry(DXVA_PicEntry_H264 *pic,
unsigned index, unsigned flag)
{
static void fill_picture_parameters(struct dxva_context *ctx, const H264Context *h,
DXVA_PicParams_H264 *pp)
{
- const MpegEncContext *s = &h->s;
- const Picture *current_picture = s->current_picture_ptr;
- int i;
+ const Picture *current_picture = h->cur_pic_ptr;
+ int i, j;
memset(pp, 0, sizeof(*pp));
/* Configure current picture */
fill_picture_entry(&pp->CurrPic,
ff_dxva2_get_surface_index(ctx, current_picture),
- s->picture_structure == PICT_BOTTOM_FIELD);
+ h->picture_structure == PICT_BOTTOM_FIELD);
/* Configure the set of references */
pp->UsedForReferenceFlags = 0;
pp->NonExistingFrameFlags = 0;
- for (i = 0; i < FF_ARRAY_ELEMS(pp->RefFrameList); i++) {
- if (i < h->short_ref_count + h->long_ref_count) {
- const Picture *r;
- if (i < h->short_ref_count) {
- r = h->short_ref[i];
- assert(!r->long_ref);
- } else {
- r = h->long_ref[i - h->short_ref_count];
- assert(r->long_ref);
- }
+ for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->RefFrameList); i++) {
+ const Picture *r;
+ if (j < h->short_ref_count) {
+ r = h->short_ref[j++];
+ } else {
+ r = NULL;
+ while (!r && j < h->short_ref_count + 16)
+ r = h->long_ref[j++ - h->short_ref_count];
+ }
+ if (r) {
fill_picture_entry(&pp->RefFrameList[i],
ff_dxva2_get_surface_index(ctx, r),
r->long_ref != 0);
}
}
- pp->wFrameWidthInMbsMinus1 = s->mb_width - 1;
- pp->wFrameHeightInMbsMinus1 = s->mb_height - 1;
+ pp->wFrameWidthInMbsMinus1 = h->mb_width - 1;
+ pp->wFrameHeightInMbsMinus1 = h->mb_height - 1;
pp->num_ref_frames = h->sps.ref_frame_count;
- pp->wBitFields = ((s->picture_structure != PICT_FRAME) << 0) |
- (h->sps.mb_aff << 1) |
+ pp->wBitFields = ((h->picture_structure != PICT_FRAME) << 0) |
+ ((h->sps.mb_aff &&
+ (h->picture_structure == PICT_FRAME)) << 1) |
(h->sps.residual_color_transform_flag << 2) |
- /* sp_for_switch_flag (not implemented by FFmpeg) */
+ /* sp_for_switch_flag (not implemented by Libav) */
(0 << 3) |
(h->sps.chroma_format_idc << 4) |
((h->nal_ref_idc != 0) << 6) |
(h->pps.transform_8x8_mode << 13) |
((h->sps.level_idc >= 31) << 14) |
/* IntraPicFlag (Modified if we detect a non
- * intra slice in decode_slice) */
+ * intra slice in dxva2_h264_decode_slice) */
(1 << 15);
pp->bit_depth_luma_minus8 = h->sps.bit_depth_luma - 8;
pp->bit_depth_chroma_minus8 = h->sps.bit_depth_chroma - 8;
- pp->Reserved16Bits = 3; /* FIXME is there a way to detect the right mode ? */
+ if (ctx->workaround & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG)
+ pp->Reserved16Bits = 0;
+ else
+ pp->Reserved16Bits = 3; /* FIXME is there a way to detect the right mode ? */
pp->StatusReportFeedbackNumber = 1 + ctx->report_id++;
pp->CurrFieldOrderCnt[0] = 0;
- if ((s->picture_structure & PICT_TOP_FIELD) &&
+ if ((h->picture_structure & PICT_TOP_FIELD) &&
current_picture->field_poc[0] != INT_MAX)
pp->CurrFieldOrderCnt[0] = current_picture->field_poc[0];
pp->CurrFieldOrderCnt[1] = 0;
- if ((s->picture_structure & PICT_BOTTOM_FIELD) &&
+ if ((h->picture_structure & PICT_BOTTOM_FIELD) &&
current_picture->field_poc[1] != INT_MAX)
pp->CurrFieldOrderCnt[1] = current_picture->field_poc[1];
pp->pic_init_qs_minus26 = h->pps.init_qs - 26;
pp->deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
pp->redundant_pic_cnt_present_flag= h->pps.redundant_pic_cnt_present;
pp->Reserved8BitsB = 0;
- pp->slice_group_change_rate_minus1= 0; /* XXX not implemented by FFmpeg */
- //pp->SliceGroupMap[810]; /* XXX not implemented by FFmpeg */
+ pp->slice_group_change_rate_minus1= 0; /* XXX not implemented by Libav */
+ //pp->SliceGroupMap[810]; /* XXX not implemented by Libav */
}
-static void fill_scaling_lists(const H264Context *h, DXVA_Qmatrix_H264 *qm)
+static void fill_scaling_lists(struct dxva_context *ctx, const H264Context *h, DXVA_Qmatrix_H264 *qm)
{
unsigned i, j;
memset(qm, 0, sizeof(*qm));
- for (i = 0; i < 6; i++)
- for (j = 0; j < 16; j++)
- qm->bScalingLists4x4[i][j] = h->pps.scaling_matrix4[i][zigzag_scan[j]];
+ if (ctx->workaround & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG) {
+ for (i = 0; i < 6; i++)
+ for (j = 0; j < 16; j++)
+ qm->bScalingLists4x4[i][j] = h->pps.scaling_matrix4[i][j];
+
+ for (i = 0; i < 64; i++) {
+ qm->bScalingLists8x8[0][i] = h->pps.scaling_matrix8[0][i];
+ qm->bScalingLists8x8[1][i] = h->pps.scaling_matrix8[3][i];
+ }
+ } else {
+ for (i = 0; i < 6; i++)
+ for (j = 0; j < 16; j++)
+ qm->bScalingLists4x4[i][j] = h->pps.scaling_matrix4[i][zigzag_scan[j]];
- for (i = 0; i < 2; i++)
- for (j = 0; j < 64; j++)
- qm->bScalingLists8x8[i][j] = h->pps.scaling_matrix8[i][ff_zigzag_direct[j]];
+ for (i = 0; i < 64; i++) {
+ qm->bScalingLists8x8[0][i] = h->pps.scaling_matrix8[0][ff_zigzag_direct[i]];
+ qm->bScalingLists8x8[1][i] = h->pps.scaling_matrix8[3][ff_zigzag_direct[i]];
+ }
+ }
}
static int is_slice_short(struct dxva_context *ctx)
static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice,
unsigned position, unsigned size)
{
- H264Context *h = avctx->priv_data; /* FIXME Can't use const because of get_bits_count */
+ const H264Context *h = avctx->priv_data;
struct dxva_context *ctx = avctx->hwaccel_context;
- MpegEncContext *s = &h->s;
unsigned list;
memset(slice, 0, sizeof(*slice));
slice->SliceBytesInBuffer = size;
slice->wBadSliceChopping = 0;
- slice->first_mb_in_slice = (s->mb_y >> FIELD_OR_MBAFF_PICTURE) * s->mb_width + s->mb_x;
+ slice->first_mb_in_slice = (h->mb_y >> FIELD_OR_MBAFF_PICTURE(h)) * h->mb_width + h->mb_x;
slice->NumMbsForSlice = 0; /* XXX it is set once we have all slices */
- slice->BitOffsetToSliceData = get_bits_count(&s->gb) + 8;
+ slice->BitOffsetToSliceData = get_bits_count(&h->gb);
slice->slice_type = ff_h264_get_slice_type(h);
if (h->slice_type_fixed)
slice->slice_type += 5;
for (plane = 0; plane < 3; plane++) {
int w, o;
if (plane == 0 && h->luma_weight_flag[list]) {
- w = h->luma_weight[list][i];
- o = h->luma_offset[list][i];
+ w = h->luma_weight[i][list][0];
+ o = h->luma_weight[i][list][1];
} else if (plane >= 1 && h->chroma_weight_flag[list]) {
- w = h->chroma_weight[list][i][plane-1];
- o = h->chroma_offset[list][i][plane-1];
+ w = h->chroma_weight[i][list][plane-1][0];
+ o = h->chroma_weight[i][list][plane-1][1];
} else {
w = 1 << (plane == 0 ? h->luma_log2_weight_denom :
h->chroma_log2_weight_denom);
}
}
}
- slice->slice_qs_delta = 0; /* XXX not implemented by FFmpeg */
- slice->slice_qp_delta = s->qscale - h->pps.init_qp;
+ slice->slice_qs_delta = 0; /* XXX not implemented by Libav */
+ slice->slice_qp_delta = h->qscale - h->pps.init_qp;
slice->redundant_pic_cnt = h->redundant_pic_count;
- if (h->slice_type == FF_B_TYPE)
+ if (h->slice_type == AV_PICTURE_TYPE_B)
slice->direct_spatial_mv_pred_flag = h->direct_spatial_mv_pred;
slice->cabac_init_idc = h->pps.cabac ? h->cabac_init_idc : 0;
if (h->deblocking_filter < 2)
slice->slice_id = h->current_slice - 1;
}
-static int ff_dxva2_commit_buffer(AVCodecContext *avctx,
- struct dxva_context *ctx,
- DXVA2_DecodeBufferDesc *dsc,
- unsigned type, const void *data, unsigned size,
- unsigned mb_count)
-{
- void *dxva_data;
- unsigned dxva_size;
- int result;
-
- if (FAILED(IDirectXVideoDecoder_GetBuffer(ctx->decoder, type,
- &dxva_data, &dxva_size))) {
- av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %d\n", type);
- return -1;
- }
- if (size <= dxva_size) {
- memcpy(dxva_data, data, size);
-
- memset(dsc, 0, sizeof(*dsc));
- dsc->CompressedBufferType = type;
- dsc->DataSize = size;
- dsc->NumMBsInBuffer = mb_count;
-
- result = 0;
- } else {
- av_log(avctx, AV_LOG_ERROR, "Buffer for type %d was too small\n", type);
- result = -1;
- }
- if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(ctx->decoder, type))) {
- av_log(avctx, AV_LOG_ERROR, "Failed to release buffer type %d\n", type);
- result = -1;
- }
- return result;
-}
-
static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
DXVA2_DecodeBufferDesc *bs,
DXVA2_DecodeBufferDesc *sc)
{
- H264Context *h = avctx->priv_data;
- MpegEncContext *s = &h->s;
- const unsigned mb_count = s->mb_width * s->mb_height;
+ const H264Context *h = avctx->priv_data;
+ const unsigned mb_count = h->mb_width * h->mb_height;
struct dxva_context *ctx = avctx->hwaccel_context;
- const Picture *current_picture = h->s.current_picture_ptr;
+ const Picture *current_picture = h->cur_pic_ptr;
struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
DXVA_Slice_H264_Short *slice = NULL;
uint8_t *dxva_data, *current, *end;
}
-static int start_frame(AVCodecContext *avctx,
- av_unused const uint8_t *buffer,
- av_unused uint32_t size)
+static int dxva2_h264_start_frame(AVCodecContext *avctx,
+ av_unused const uint8_t *buffer,
+ av_unused uint32_t size)
{
const H264Context *h = avctx->priv_data;
struct dxva_context *ctx = avctx->hwaccel_context;
- struct dxva2_picture_context *ctx_pic = h->s.current_picture_ptr->hwaccel_picture_private;
+ struct dxva2_picture_context *ctx_pic = h->cur_pic_ptr->hwaccel_picture_private;
if (!ctx->decoder || !ctx->cfg || ctx->surface_count <= 0)
return -1;
fill_picture_parameters(ctx, h, &ctx_pic->pp);
/* Fill up DXVA_Qmatrix_H264 */
- fill_scaling_lists(h, &ctx_pic->qm);
+ fill_scaling_lists(ctx, h, &ctx_pic->qm);
ctx_pic->slice_count = 0;
ctx_pic->bitstream_size = 0;
return 0;
}
-static int decode_slice(AVCodecContext *avctx,
- const uint8_t *buffer, uint32_t size)
+static int dxva2_h264_decode_slice(AVCodecContext *avctx,
+ const uint8_t *buffer,
+ uint32_t size)
{
- H264Context *h = avctx->priv_data; /* FIXME Can't use const because of get_bits_count */
+ const H264Context *h = avctx->priv_data;
struct dxva_context *ctx = avctx->hwaccel_context;
- const Picture *current_picture = h->s.current_picture_ptr;
+ const Picture *current_picture = h->cur_pic_ptr;
struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
unsigned position;
position, size);
ctx_pic->slice_count++;
- if (h->slice_type != FF_I_TYPE && h->slice_type != FF_SI_TYPE)
+ if (h->slice_type != AV_PICTURE_TYPE_I && h->slice_type != AV_PICTURE_TYPE_SI)
ctx_pic->pp.wBitFields &= ~(1 << 15); /* Set IntraPicFlag to 0 */
return 0;
}
-static int ff_dxva2_common_end_frame(AVCodecContext *avctx, MpegEncContext *s,
- const void *pp, unsigned pp_size,
- const void *qm, unsigned qm_size,
- int (*commit_bs_si)(AVCodecContext *,
- DXVA2_DecodeBufferDesc *bs,
- DXVA2_DecodeBufferDesc *slice))
-{
- struct dxva_context *ctx = avctx->hwaccel_context;
- unsigned buffer_count = 0;
- DXVA2_DecodeBufferDesc buffer[4];
- DXVA2_DecodeExecuteParams exec;
- int result;
-
- if (FAILED(IDirectXVideoDecoder_BeginFrame(ctx->decoder,
- ff_dxva2_get_surface(s->current_picture_ptr),
- NULL))) {
- av_log(avctx, AV_LOG_ERROR, "Failed to begin frame\n");
- return -1;
- }
-
- result = ff_dxva2_commit_buffer(avctx, ctx, &buffer[buffer_count],
- DXVA2_PictureParametersBufferType,
- pp, pp_size, 0);
- if (result) {
- av_log(avctx, AV_LOG_ERROR,
- "Failed to add picture parameter buffer\n");
- goto end;
- }
- buffer_count++;
-
- if (qm_size > 0) {
- result = ff_dxva2_commit_buffer(avctx, ctx, &buffer[buffer_count],
- DXVA2_InverseQuantizationMatrixBufferType,
- qm, qm_size, 0);
- if (result) {
- av_log(avctx, AV_LOG_ERROR,
- "Failed to add inverse quantization matrix buffer\n");
- goto end;
- }
- buffer_count++;
- }
-
- result = commit_bs_si(avctx,
- &buffer[buffer_count + 0],
- &buffer[buffer_count + 1]);
- if (result) {
- av_log(avctx, AV_LOG_ERROR,
- "Failed to add bitstream or slice control buffer\n");
- goto end;
- }
- buffer_count += 2;
-
- /* TODO Film Grain when possible */
-
- assert(buffer_count == 1 + (qm_size > 0) + 2);
-
- memset(&exec, 0, sizeof(exec));
- exec.NumCompBuffers = buffer_count;
- exec.pCompressedBuffers = buffer;
- exec.pExtensionData = NULL;
- if (FAILED(IDirectXVideoDecoder_Execute(ctx->decoder, &exec))) {
- av_log(avctx, AV_LOG_ERROR, "Failed to execute\n");
- result = -1;
- }
-
-end:
- if (FAILED(IDirectXVideoDecoder_EndFrame(ctx->decoder, NULL))) {
- av_log(avctx, AV_LOG_ERROR, "Failed to end frame\n");
- result = -1;
- }
-
- if (!result)
- ff_draw_horiz_band(s, 0, s->avctx->height);
- return result;
-}
-
-static int end_frame(AVCodecContext *avctx)
+static int dxva2_h264_end_frame(AVCodecContext *avctx)
{
H264Context *h = avctx->priv_data;
- MpegEncContext *s = &h->s;
struct dxva2_picture_context *ctx_pic =
- h->s.current_picture_ptr->hwaccel_picture_private;
+ h->cur_pic_ptr->hwaccel_picture_private;
+ int ret;
if (ctx_pic->slice_count <= 0 || ctx_pic->bitstream_size <= 0)
return -1;
- return ff_dxva2_common_end_frame(avctx, s,
- &ctx_pic->pp, sizeof(ctx_pic->pp),
- &ctx_pic->qm, sizeof(ctx_pic->qm),
- commit_bitstream_and_slice_buffer);
+ ret = ff_dxva2_common_end_frame(avctx, h->cur_pic_ptr,
+ &ctx_pic->pp, sizeof(ctx_pic->pp),
+ &ctx_pic->qm, sizeof(ctx_pic->qm),
+ commit_bitstream_and_slice_buffer);
+ if (!ret)
+ ff_h264_draw_horiz_band(h, 0, h->avctx->height);
+ return ret;
}
-AVHWAccel h264_dxva2_hwaccel = {
+AVHWAccel ff_h264_dxva2_hwaccel = {
.name = "h264_dxva2",
- .type = CODEC_TYPE_VIDEO,
- .id = CODEC_ID_H264,
- .pix_fmt = PIX_FMT_DXVA2_VLD,
- .capabilities = 0,
- .start_frame = start_frame,
- .decode_slice = decode_slice,
- .end_frame = end_frame,
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_H264,
+ .pix_fmt = AV_PIX_FMT_DXVA2_VLD,
+ .start_frame = dxva2_h264_start_frame,
+ .decode_slice = dxva2_h264_decode_slice,
+ .end_frame = dxva2_h264_end_frame,
.priv_data_size = sizeof(struct dxva2_picture_context),
};
-