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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /media/ffvpx/libavcodec/vaapi_vp9.c
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--media/ffvpx/libavcodec/vaapi_vp9.c185
1 files changed, 185 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/vaapi_vp9.c b/media/ffvpx/libavcodec/vaapi_vp9.c
new file mode 100644
index 0000000000..776382f683
--- /dev/null
+++ b/media/ffvpx/libavcodec/vaapi_vp9.c
@@ -0,0 +1,185 @@
+/*
+ * 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 "hwconfig.h"
+#include "vaapi_decode.h"
+#include "vp9shared.h"
+
+static VASurfaceID vaapi_vp9_surface_id(const VP9Frame *vf)
+{
+ if (vf)
+ return ff_vaapi_get_surface_id(vf->tf.f);
+ else
+ return VA_INVALID_SURFACE;
+}
+
+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;
+ VAAPIDecodePicture *pic = h->frames[CUR_FRAME].hwaccel_picture_private;
+ VADecPictureParameterBufferVP9 pic_param;
+ const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
+ int err, i;
+
+ pic->output_surface = vaapi_vp9_surface_id(&h->frames[CUR_FRAME]);
+
+ pic_param = (VADecPictureParameterBufferVP9) {
+ .frame_width = avctx->width,
+ .frame_height = avctx->height,
+
+ .pic_fields.bits = {
+ .subsampling_x = pixdesc->log2_chroma_w,
+ .subsampling_y = pixdesc->log2_chroma_h,
+ .frame_type = !h->h.keyframe,
+ .show_frame = !h->h.invisible,
+ .error_resilient_mode = h->h.errorres,
+ .intra_only = h->h.intraonly,
+ .allow_high_precision_mv = h->h.keyframe ? 0 : h->h.highprecisionmvs,
+ .mcomp_filter_type = h->h.filtermode ^ (h->h.filtermode <= 1),
+ .frame_parallel_decoding_mode = h->h.parallelmode,
+ .reset_frame_context = h->h.resetctx,
+ .refresh_frame_context = h->h.refreshctx,
+ .frame_context_idx = h->h.framectxid,
+
+ .segmentation_enabled = h->h.segmentation.enabled,
+ .segmentation_temporal_update = h->h.segmentation.temporal,
+ .segmentation_update_map = h->h.segmentation.update_map,
+
+ .last_ref_frame = h->h.refidx[0],
+ .last_ref_frame_sign_bias = h->h.signbias[0],
+ .golden_ref_frame = h->h.refidx[1],
+ .golden_ref_frame_sign_bias = h->h.signbias[1],
+ .alt_ref_frame = h->h.refidx[2],
+ .alt_ref_frame_sign_bias = h->h.signbias[2],
+ .lossless_flag = h->h.lossless,
+ },
+
+ .filter_level = h->h.filter.level,
+ .sharpness_level = h->h.filter.sharpness,
+ .log2_tile_rows = h->h.tiling.log2_tile_rows,
+ .log2_tile_columns = h->h.tiling.log2_tile_cols,
+
+ .frame_header_length_in_bytes = h->h.uncompressed_header_size,
+ .first_partition_size = h->h.compressed_header_size,
+
+ .profile = h->h.profile,
+ .bit_depth = h->h.bpp,
+ };
+
+ for (i = 0; i < 7; i++)
+ pic_param.mb_segment_tree_probs[i] = h->h.segmentation.prob[i];
+
+ if (h->h.segmentation.temporal) {
+ for (i = 0; i < 3; i++)
+ pic_param.segment_pred_probs[i] = h->h.segmentation.pred_prob[i];
+ } else {
+ memset(pic_param.segment_pred_probs, 255, sizeof(pic_param.segment_pred_probs));
+ }
+
+ for (i = 0; i < 8; i++) {
+ if (h->refs[i].f->buf[0])
+ pic_param.reference_frames[i] = ff_vaapi_get_surface_id(h->refs[i].f);
+ else
+ pic_param.reference_frames[i] = VA_INVALID_ID;
+ }
+
+ err = ff_vaapi_decode_make_param_buffer(avctx, pic,
+ VAPictureParameterBufferType,
+ &pic_param, sizeof(pic_param));
+ if (err < 0) {
+ ff_vaapi_decode_cancel(avctx, pic);
+ return err;
+ }
+
+ return 0;
+}
+
+static int vaapi_vp9_end_frame(AVCodecContext *avctx)
+{
+ const VP9SharedContext *h = avctx->priv_data;
+ VAAPIDecodePicture *pic = h->frames[CUR_FRAME].hwaccel_picture_private;
+
+ return ff_vaapi_decode_issue(avctx, pic);
+}
+
+static int vaapi_vp9_decode_slice(AVCodecContext *avctx,
+ const uint8_t *buffer,
+ uint32_t size)
+{
+ const VP9SharedContext *h = avctx->priv_data;
+ VAAPIDecodePicture *pic = h->frames[CUR_FRAME].hwaccel_picture_private;
+ VASliceParameterBufferVP9 slice_param;
+ int err, i;
+
+ slice_param = (VASliceParameterBufferVP9) {
+ .slice_data_size = size,
+ .slice_data_offset = 0,
+ .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
+ };
+
+ for (i = 0; i < 8; i++) {
+ slice_param.seg_param[i] = (VASegmentParameterVP9) {
+ .segment_flags.fields = {
+ .segment_reference_enabled = h->h.segmentation.feat[i].ref_enabled,
+ .segment_reference = h->h.segmentation.feat[i].ref_val,
+ .segment_reference_skipped = h->h.segmentation.feat[i].skip_enabled,
+ },
+
+ .luma_dc_quant_scale = h->h.segmentation.feat[i].qmul[0][0],
+ .luma_ac_quant_scale = h->h.segmentation.feat[i].qmul[0][1],
+ .chroma_dc_quant_scale = h->h.segmentation.feat[i].qmul[1][0],
+ .chroma_ac_quant_scale = h->h.segmentation.feat[i].qmul[1][1],
+ };
+
+ memcpy(slice_param.seg_param[i].filter_level, h->h.segmentation.feat[i].lflvl, sizeof(slice_param.seg_param[i].filter_level));
+ }
+
+ err = ff_vaapi_decode_make_slice_buffer(avctx, pic,
+ &slice_param, sizeof(slice_param),
+ buffer, size);
+ if (err) {
+ ff_vaapi_decode_cancel(avctx, pic);
+ return err;
+ }
+
+ return 0;
+}
+
+const 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,
+ .frame_priv_data_size = sizeof(VAAPIDecodePicture),
+ .init = ff_vaapi_decode_init,
+ .uninit = ff_vaapi_decode_uninit,
+ .frame_params = ff_vaapi_common_frame_params,
+ .priv_data_size = sizeof(VAAPIDecodeContext),
+ .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
+};