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-rw-r--r--libavcodec/vaapi_vp9.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/libavcodec/vaapi_vp9.c b/libavcodec/vaapi_vp9.c
new file mode 100644
index 0000000000..b360dcb711
--- /dev/null
+++ b/libavcodec/vaapi_vp9.c
@@ -0,0 +1,168 @@
+/*
+ * VP9 HW decode acceleration through VA API
+ *
+ * Copyright (C) 2015 Timo Rothenpieler <timo@rothenpieler.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/pixdesc.h"
+#include "vaapi_internal.h"
+#include "vp9.h"
+
+static void fill_picture_parameters(AVCodecContext *avctx,
+ const VP9SharedContext *h,
+ VADecPictureParameterBufferVP9 *pp)
+{
+ const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
+ int i;
+
+ pp->frame_width = avctx->width;
+ pp->frame_height = avctx->height;
+
+ pp->frame_header_length_in_bytes = h->h.uncompressed_header_size;
+ pp->first_partition_size = h->h.compressed_header_size;
+
+ pp->profile = h->h.profile;
+
+ pp->filter_level = h->h.filter.level;
+ pp->sharpness_level = h->h.filter.sharpness;
+ pp->log2_tile_rows = h->h.tiling.log2_tile_rows;
+ pp->log2_tile_columns = h->h.tiling.log2_tile_cols;
+
+ pp->pic_fields.bits.subsampling_x = pixdesc->log2_chroma_w;
+ pp->pic_fields.bits.subsampling_y = pixdesc->log2_chroma_h;
+ pp->pic_fields.bits.frame_type = !h->h.keyframe;
+ pp->pic_fields.bits.show_frame = !h->h.invisible;
+ pp->pic_fields.bits.error_resilient_mode = h->h.errorres;
+ pp->pic_fields.bits.intra_only = h->h.intraonly;
+ pp->pic_fields.bits.allow_high_precision_mv = h->h.keyframe ? 0 : h->h.highprecisionmvs;
+ pp->pic_fields.bits.mcomp_filter_type = h->h.filtermode ^ (h->h.filtermode <= 1);
+ pp->pic_fields.bits.frame_parallel_decoding_mode = h->h.parallelmode;
+ pp->pic_fields.bits.reset_frame_context = h->h.resetctx;
+ pp->pic_fields.bits.refresh_frame_context = h->h.refreshctx;
+ pp->pic_fields.bits.frame_context_idx = h->h.framectxid;
+
+ pp->pic_fields.bits.segmentation_enabled = h->h.segmentation.enabled;
+ pp->pic_fields.bits.segmentation_temporal_update = h->h.segmentation.temporal;
+ pp->pic_fields.bits.segmentation_update_map = h->h.segmentation.update_map;
+
+ pp->pic_fields.bits.last_ref_frame = h->h.refidx[0];
+ pp->pic_fields.bits.last_ref_frame_sign_bias = h->h.signbias[0];
+ pp->pic_fields.bits.golden_ref_frame = h->h.refidx[1];
+ pp->pic_fields.bits.golden_ref_frame_sign_bias = h->h.signbias[1];
+ pp->pic_fields.bits.alt_ref_frame = h->h.refidx[2];
+ pp->pic_fields.bits.alt_ref_frame_sign_bias = h->h.signbias[2];
+ pp->pic_fields.bits.lossless_flag = h->h.lossless;
+
+ for (i = 0; i < 7; i++)
+ pp->mb_segment_tree_probs[i] = h->h.segmentation.prob[i];
+
+ if (h->h.segmentation.temporal) {
+ for (i = 0; i < 3; i++)
+ pp->segment_pred_probs[i] = h->h.segmentation.pred_prob[i];
+ } else {
+ memset(pp->segment_pred_probs, 255, sizeof(pp->segment_pred_probs));
+ }
+
+ for (i = 0; i < 8; i++) {
+ if (h->refs[i].f->buf[0]) {
+ pp->reference_frames[i] = ff_vaapi_get_surface_id(h->refs[i].f);
+ } else {
+ pp->reference_frames[i] = VA_INVALID_ID;
+ }
+ }
+}
+
+static int vaapi_vp9_start_frame(AVCodecContext *avctx,
+ av_unused const uint8_t *buffer,
+ av_unused uint32_t size)
+{
+ const VP9SharedContext *h = avctx->priv_data;
+ FFVAContext * const vactx = ff_vaapi_get_context(avctx);
+ VADecPictureParameterBufferVP9 *pic_param;
+
+ vactx->slice_param_size = sizeof(VASliceParameterBufferVP9);
+
+ pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VADecPictureParameterBufferVP9));
+ if (!pic_param)
+ return -1;
+ fill_picture_parameters(avctx, h, pic_param);
+
+ return 0;
+}
+
+static int vaapi_vp9_end_frame(AVCodecContext *avctx)
+{
+ FFVAContext * const vactx = ff_vaapi_get_context(avctx);
+ const VP9SharedContext *h = avctx->priv_data;
+ int ret;
+
+ ret = ff_vaapi_commit_slices(vactx);
+ if (ret < 0)
+ goto finish;
+
+ ret = ff_vaapi_render_picture(vactx, ff_vaapi_get_surface_id(h->frames[CUR_FRAME].tf.f));
+ if (ret < 0)
+ goto finish;
+
+finish:
+ ff_vaapi_common_end_frame(avctx);
+ return ret;
+}
+
+static int vaapi_vp9_decode_slice(AVCodecContext *avctx,
+ const uint8_t *buffer,
+ uint32_t size)
+{
+ FFVAContext * const vactx = ff_vaapi_get_context(avctx);
+ const VP9SharedContext *h = avctx->priv_data;
+ VASliceParameterBufferVP9 *slice_param;
+ int i;
+
+ slice_param = (VASliceParameterBufferVP9*)ff_vaapi_alloc_slice(vactx, buffer, size);
+ if (!slice_param)
+ return -1;
+
+ for (i = 0; i < 8; i++) {
+ slice_param->seg_param[i].segment_flags.fields.segment_reference_enabled = h->h.segmentation.feat[i].ref_enabled;
+ slice_param->seg_param[i].segment_flags.fields.segment_reference = h->h.segmentation.feat[i].ref_val;
+ slice_param->seg_param[i].segment_flags.fields.segment_reference_skipped = h->h.segmentation.feat[i].skip_enabled;
+
+ memcpy(slice_param->seg_param[i].filter_level, h->h.segmentation.feat[i].lflvl, sizeof(slice_param->seg_param[i].filter_level));
+
+ slice_param->seg_param[i].luma_dc_quant_scale = h->h.segmentation.feat[i].qmul[0][0];
+ slice_param->seg_param[i].luma_ac_quant_scale = h->h.segmentation.feat[i].qmul[0][1];
+ slice_param->seg_param[i].chroma_dc_quant_scale = h->h.segmentation.feat[i].qmul[1][0];
+ slice_param->seg_param[i].chroma_ac_quant_scale = h->h.segmentation.feat[i].qmul[1][1];
+ }
+
+ return 0;
+}
+
+AVHWAccel ff_vp9_vaapi_hwaccel = {
+ .name = "vp9_vaapi",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_VP9,
+ .pix_fmt = AV_PIX_FMT_VAAPI,
+ .start_frame = vaapi_vp9_start_frame,
+ .end_frame = vaapi_vp9_end_frame,
+ .decode_slice = vaapi_vp9_decode_slice,
+ .init = ff_vaapi_context_init,
+ .uninit = ff_vaapi_context_fini,
+ .priv_data_size = sizeof(FFVAContext),
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-16 12:27:43 +0000