[FFmpeg-devel] [PATCH 2/2] Add decode support for VDPAU VP9.
ManojGuptaBonda
mbonda at nvidia.com
Mon Oct 21 15:31:38 EEST 2019
Populate the codec specific params that need to be passed to
VDPAU.
---
libavcodec/vdpau_vp9.c | 155 ++++++++++++++++++++++++++++++++++++++++-
1 file changed, 153 insertions(+), 2 deletions(-)
diff --git a/libavcodec/vdpau_vp9.c b/libavcodec/vdpau_vp9.c
index d8f629d135..f1ee4ac5e0 100644
--- a/libavcodec/vdpau_vp9.c
+++ b/libavcodec/vdpau_vp9.c
@@ -21,7 +21,7 @@
*/
#include <vdpau/vdpau.h>
-
+#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "internal.h"
#include "vp9data.h"
@@ -33,7 +33,134 @@
static int vdpau_vp9_start_frame(AVCodecContext *avctx,
const uint8_t *buffer, uint32_t size)
{
- return 0;
+ VP9Context *s = avctx->priv_data;
+ VP9SharedContext *h = &(s->s);
+ const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
+ if (!pixdesc) {
+ return AV_PIX_FMT_NONE;
+ }
+
+ VP9Frame pic = h->frames[CUR_FRAME];
+ struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
+ int i;
+
+ VdpPictureInfoVP9 *info = &pic_ctx->info.vp9;
+
+ info->width = avctx->width;
+ info->height = avctx->height;
+ /* fill LvPictureInfoVP9 struct */
+ info->lastReference = VDP_INVALID_HANDLE;
+ info->goldenReference = VDP_INVALID_HANDLE;
+ info->altReference = VDP_INVALID_HANDLE;
+
+ if (h->refs[h->h.refidx[0]].f && h->refs[h->h.refidx[0]].f->private_ref) {
+ info->lastReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[0]].f);
+ }
+ if (h->refs[h->h.refidx[1]].f && h->refs[h->h.refidx[1]].f->private_ref) {
+ info->goldenReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[1]].f);
+ }
+ if (h->refs[h->h.refidx[2]].f && h->refs[h->h.refidx[2]].f->private_ref) {
+ info->altReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[2]].f);
+ }
+
+ info->profile = h->h.profile;
+ info->frameContextIdx = h->h.framectxid;
+ info->keyFrame = h->h.keyframe;
+ info->showFrame = !h->h.invisible;
+ info->errorResilient = h->h.errorres;
+ info->frameParallelDecoding = h->h.parallelmode;
+
+ info->subSamplingX = pixdesc->log2_chroma_w;
+ info->subSamplingY = pixdesc->log2_chroma_h;
+
+ info->intraOnly = h->h.intraonly;
+ info->allowHighPrecisionMv = h->h.keyframe ? 0 : h->h.highprecisionmvs;
+ info->refreshEntropyProbs = h->h.refreshctx;
+
+ info->bitDepthMinus8Luma = pixdesc->comp[0].depth - 8;
+ info->bitDepthMinus8Chroma = pixdesc->comp[1].depth - 8;
+
+ info->loopFilterLevel = h->h.filter.level;
+ info->loopFilterSharpness = h->h.filter.sharpness;
+ info->modeRefLfEnabled = h->h.lf_delta.enabled;
+
+ info->log2TileColumns = h->h.tiling.log2_tile_cols;
+ info->log2TileRows = h->h.tiling.log2_tile_rows;
+
+ info->segmentEnabled = h->h.segmentation.enabled;
+ info->segmentMapUpdate = h->h.segmentation.update_map;
+ info->segmentMapTemporalUpdate = h->h.segmentation.temporal;
+ info->segmentFeatureMode = h->h.segmentation.absolute_vals;
+
+ info->qpYAc = h->h.yac_qi;
+ info->qpYDc = h->h.ydc_qdelta;
+ info->qpChDc = h->h.uvdc_qdelta;
+ info->qpChAc = h->h.uvac_qdelta;
+
+ info->resetFrameContext = h->h.resetctx;
+ info->mcompFilterType = h->h.filtermode ^ (h->h.filtermode <= 1);
+ info->uncompressedHeaderSize = h->h.uncompressed_header_size;
+ info->compressedHeaderSize = h->h.compressed_header_size;
+ info->refFrameSignBias[0] = 0;
+
+
+ for (i = 0; i < FF_ARRAY_ELEMS(info->mbModeLfDelta); i++)
+ info->mbModeLfDelta[i] = h->h.lf_delta.mode[i];
+
+ for (i = 0; i < FF_ARRAY_ELEMS(info->mbRefLfDelta); i++)
+ info->mbRefLfDelta[i] = h->h.lf_delta.ref[i];
+
+ for (i = 0; i < FF_ARRAY_ELEMS(info->mbSegmentTreeProbs); i++)
+ info->mbSegmentTreeProbs[i] = h->h.segmentation.prob[i];
+
+ for (i = 0; i < FF_ARRAY_ELEMS(info->activeRefIdx); i++) {
+ info->activeRefIdx[i] = h->h.refidx[i];
+ info->segmentPredProbs[i] = h->h.segmentation.pred_prob[i];
+ info->refFrameSignBias[i + 1] = h->h.signbias[i];
+ }
+
+ for (i = 0; i < FF_ARRAY_ELEMS(info->segmentFeatureEnable); i++) {
+ info->segmentFeatureEnable[i][0] = h->h.segmentation.feat[i].q_enabled;
+ info->segmentFeatureEnable[i][1] = h->h.segmentation.feat[i].lf_enabled;
+ info->segmentFeatureEnable[i][2] = h->h.segmentation.feat[i].ref_enabled;
+ info->segmentFeatureEnable[i][3] = h->h.segmentation.feat[i].skip_enabled;
+
+ info->segmentFeatureData[i][0] = h->h.segmentation.feat[i].q_val;
+ info->segmentFeatureData[i][1] = h->h.segmentation.feat[i].lf_val;
+ info->segmentFeatureData[i][2] = h->h.segmentation.feat[i].ref_val;
+ info->segmentFeatureData[i][3] = 0;
+ }
+
+ switch (avctx->colorspace) {
+ default:
+ case AVCOL_SPC_UNSPECIFIED:
+ info->colorSpace = 0;
+ break;
+ case AVCOL_SPC_BT470BG:
+ info->colorSpace = 1;
+ break;
+ case AVCOL_SPC_BT709:
+ info->colorSpace = 2;
+ break;
+ case AVCOL_SPC_SMPTE170M:
+ info->colorSpace = 3;
+ break;
+ case AVCOL_SPC_SMPTE240M:
+ info->colorSpace = 4;
+ break;
+ case AVCOL_SPC_BT2020_NCL:
+ info->colorSpace = 5;
+ break;
+ case AVCOL_SPC_RESERVED:
+ info->colorSpace = 6;
+ break;
+ case AVCOL_SPC_RGB:
+ info->colorSpace = 7;
+ break;
+ }
+
+ return ff_vdpau_common_start_frame(pic_ctx, buffer, size);
+
}
static const uint8_t start_code_prefix[3] = { 0x00, 0x00, 0x01 };
@@ -41,11 +168,35 @@ static const uint8_t start_code_prefix[3] = { 0x00, 0x00, 0x01 };
static int vdpau_vp9_decode_slice(AVCodecContext *avctx,
const uint8_t *buffer, uint32_t size)
{
+ VP9SharedContext *h = avctx->priv_data;
+ VP9Frame pic = h->frames[CUR_FRAME];
+ struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
+
+ int val;
+
+ val = ff_vdpau_add_buffer(pic_ctx, start_code_prefix, 3);
+ if (val)
+ return val;
+
+ val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
+ if (val)
+ return val;
+
return 0;
}
static int vdpau_vp9_end_frame(AVCodecContext *avctx)
{
+ VP9SharedContext *h = avctx->priv_data;
+ VP9Frame pic = h->frames[CUR_FRAME];
+ struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
+
+ int val;
+
+ val = ff_vdpau_common_end_frame(avctx, pic.tf.f, pic_ctx);
+ if (val < 0)
+ return val;
+
return 0;
}
--
2.17.1
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