[FFmpeg-devel] [PATCH 2/2] Add decode support for VDPAU VP9.
ManojGuptaBonda
mbonda at nvidia.com
Mon Oct 21 13:20:13 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
-----------------------------------------------------------------------------------
This email message is for the sole use of the intended recipient(s) and may contain
confidential information. Any unauthorized review, use, disclosure or distribution
is prohibited. If you are not the intended recipient, please contact the sender by
reply email and destroy all copies of the original message.
-----------------------------------------------------------------------------------
More information about the ffmpeg-devel
mailing list