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Diffstat (limited to 'media/ffvpx/libavcodec/vaapi_av1.c')
-rw-r--r--media/ffvpx/libavcodec/vaapi_av1.c439
1 files changed, 439 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/vaapi_av1.c b/media/ffvpx/libavcodec/vaapi_av1.c
new file mode 100644
index 0000000000..1f9a6071ba
--- /dev/null
+++ b/media/ffvpx/libavcodec/vaapi_av1.c
@@ -0,0 +1,439 @@
+/*
+ * AV1 HW decode acceleration through VA API
+ *
+ * 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/frame.h"
+#include "hwaccel_internal.h"
+#include "vaapi_decode.h"
+#include "internal.h"
+#include "av1dec.h"
+#include "thread.h"
+
+typedef struct VAAPIAV1FrameRef {
+ AVFrame *frame;
+ int valid;
+} VAAPIAV1FrameRef;
+
+typedef struct VAAPIAV1DecContext {
+ VAAPIDecodeContext base;
+
+ /**
+ * For film grain case, VAAPI generate 2 output for each frame,
+ * current_frame will not apply film grain, and will be used for
+ * references for next frames. Maintain the reference list without
+ * applying film grain here. And current_display_picture will be
+ * used to apply film grain and push to downstream.
+ */
+ VAAPIAV1FrameRef ref_tab[AV1_NUM_REF_FRAMES];
+ AVFrame *tmp_frame;
+} VAAPIAV1DecContext;
+
+static VASurfaceID vaapi_av1_surface_id(AV1Frame *vf)
+{
+ if (vf)
+ return ff_vaapi_get_surface_id(vf->f);
+ else
+ return VA_INVALID_SURFACE;
+}
+
+static int8_t vaapi_av1_get_bit_depth_idx(AVCodecContext *avctx)
+{
+ AV1DecContext *s = avctx->priv_data;
+ const AV1RawSequenceHeader *seq = s->raw_seq;
+ int8_t bit_depth = 8;
+
+ if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
+ bit_depth = seq->color_config.twelve_bit ? 12 : 10;
+ else if (seq->seq_profile <= 2)
+ bit_depth = seq->color_config.high_bitdepth ? 10 : 8;
+ else {
+ av_log(avctx, AV_LOG_ERROR,
+ "Couldn't get bit depth from profile:%d.\n", seq->seq_profile);
+ return -1;
+ }
+ return bit_depth == 8 ? 0 : bit_depth == 10 ? 1 : 2;
+}
+
+static int vaapi_av1_decode_init(AVCodecContext *avctx)
+{
+ VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
+
+ ctx->tmp_frame = av_frame_alloc();
+ if (!ctx->tmp_frame)
+ return AVERROR(ENOMEM);
+
+ for (int i = 0; i < FF_ARRAY_ELEMS(ctx->ref_tab); i++) {
+ ctx->ref_tab[i].frame = av_frame_alloc();
+ if (!ctx->ref_tab[i].frame)
+ return AVERROR(ENOMEM);
+ ctx->ref_tab[i].valid = 0;
+ }
+
+ return ff_vaapi_decode_init(avctx);
+}
+
+static int vaapi_av1_decode_uninit(AVCodecContext *avctx)
+{
+ VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
+
+ av_frame_free(&ctx->tmp_frame);
+
+ for (int i = 0; i < FF_ARRAY_ELEMS(ctx->ref_tab); i++)
+ av_frame_free(&ctx->ref_tab[i].frame);
+
+ return ff_vaapi_decode_uninit(avctx);
+}
+
+
+static int vaapi_av1_start_frame(AVCodecContext *avctx,
+ av_unused const uint8_t *buffer,
+ av_unused uint32_t size)
+{
+ AV1DecContext *s = avctx->priv_data;
+ const AV1RawSequenceHeader *seq = s->raw_seq;
+ const AV1RawFrameHeader *frame_header = s->raw_frame_header;
+ const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
+ VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
+ VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
+ VADecPictureParameterBufferAV1 pic_param;
+ int8_t bit_depth_idx;
+ int err = 0;
+ int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain;
+ uint8_t remap_lr_type[4] = {AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ};
+ uint8_t segmentation_feature_signed[AV1_SEG_LVL_MAX] = {1, 1, 1, 1, 1, 0, 0, 0};
+ uint8_t segmentation_feature_max[AV1_SEG_LVL_MAX] = {255, AV1_MAX_LOOP_FILTER,
+ AV1_MAX_LOOP_FILTER, AV1_MAX_LOOP_FILTER, AV1_MAX_LOOP_FILTER, 7 , 0 , 0 };
+
+ bit_depth_idx = vaapi_av1_get_bit_depth_idx(avctx);
+ if (bit_depth_idx < 0)
+ goto fail;
+
+ if (apply_grain) {
+ if (ctx->tmp_frame->buf[0])
+ av_frame_unref(ctx->tmp_frame);
+ err = ff_thread_get_buffer(avctx, ctx->tmp_frame, AV_GET_BUFFER_FLAG_REF);
+ if (err < 0)
+ goto fail;
+ pic->output_surface = ff_vaapi_get_surface_id(ctx->tmp_frame);
+ } else {
+ pic->output_surface = vaapi_av1_surface_id(&s->cur_frame);
+ }
+
+ memset(&pic_param, 0, sizeof(VADecPictureParameterBufferAV1));
+ pic_param = (VADecPictureParameterBufferAV1) {
+ .profile = seq->seq_profile,
+ .order_hint_bits_minus_1 = seq->order_hint_bits_minus_1,
+ .bit_depth_idx = bit_depth_idx,
+ .matrix_coefficients = seq->color_config.matrix_coefficients,
+ .current_frame = pic->output_surface,
+ .current_display_picture = vaapi_av1_surface_id(&s->cur_frame),
+ .frame_width_minus1 = frame_header->frame_width_minus_1,
+ .frame_height_minus1 = frame_header->frame_height_minus_1,
+ .primary_ref_frame = frame_header->primary_ref_frame,
+ .order_hint = frame_header->order_hint,
+ .tile_cols = frame_header->tile_cols,
+ .tile_rows = frame_header->tile_rows,
+ .context_update_tile_id = frame_header->context_update_tile_id,
+ .superres_scale_denominator = frame_header->use_superres ?
+ frame_header->coded_denom + AV1_SUPERRES_DENOM_MIN :
+ AV1_SUPERRES_NUM,
+ .interp_filter = frame_header->interpolation_filter,
+ .filter_level[0] = frame_header->loop_filter_level[0],
+ .filter_level[1] = frame_header->loop_filter_level[1],
+ .filter_level_u = frame_header->loop_filter_level[2],
+ .filter_level_v = frame_header->loop_filter_level[3],
+ .base_qindex = frame_header->base_q_idx,
+ .y_dc_delta_q = frame_header->delta_q_y_dc,
+ .u_dc_delta_q = frame_header->delta_q_u_dc,
+ .u_ac_delta_q = frame_header->delta_q_u_ac,
+ .v_dc_delta_q = frame_header->delta_q_v_dc,
+ .v_ac_delta_q = frame_header->delta_q_v_ac,
+ .cdef_damping_minus_3 = frame_header->cdef_damping_minus_3,
+ .cdef_bits = frame_header->cdef_bits,
+ .seq_info_fields.fields = {
+ .still_picture = seq->still_picture,
+ .use_128x128_superblock = seq->use_128x128_superblock,
+ .enable_filter_intra = seq->enable_filter_intra,
+ .enable_intra_edge_filter = seq->enable_intra_edge_filter,
+ .enable_interintra_compound = seq->enable_interintra_compound,
+ .enable_masked_compound = seq->enable_masked_compound,
+ .enable_dual_filter = seq->enable_dual_filter,
+ .enable_order_hint = seq->enable_order_hint,
+ .enable_jnt_comp = seq->enable_jnt_comp,
+ .enable_cdef = seq->enable_cdef,
+ .mono_chrome = seq->color_config.mono_chrome,
+ .color_range = seq->color_config.color_range,
+ .subsampling_x = seq->color_config.subsampling_x,
+ .subsampling_y = seq->color_config.subsampling_y,
+ .chroma_sample_position = seq->color_config.chroma_sample_position,
+ .film_grain_params_present = seq->film_grain_params_present &&
+ !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN),
+ },
+ .seg_info.segment_info_fields.bits = {
+ .enabled = frame_header->segmentation_enabled,
+ .update_map = frame_header->segmentation_update_map,
+ .temporal_update = frame_header->segmentation_temporal_update,
+ .update_data = frame_header->segmentation_update_data,
+ },
+ .film_grain_info = {
+ .film_grain_info_fields.bits = {
+ .apply_grain = apply_grain,
+ .chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma,
+ .grain_scaling_minus_8 = film_grain->grain_scaling_minus_8,
+ .ar_coeff_lag = film_grain->ar_coeff_lag,
+ .ar_coeff_shift_minus_6 = film_grain->ar_coeff_shift_minus_6,
+ .grain_scale_shift = film_grain->grain_scale_shift,
+ .overlap_flag = film_grain->overlap_flag,
+ .clip_to_restricted_range = film_grain->clip_to_restricted_range,
+ },
+ .grain_seed = film_grain->grain_seed,
+ .num_y_points = film_grain->num_y_points,
+ .num_cb_points = film_grain->num_cb_points,
+ .num_cr_points = film_grain->num_cr_points,
+ .cb_mult = film_grain->cb_mult,
+ .cb_luma_mult = film_grain->cb_luma_mult,
+ .cb_offset = film_grain->cb_offset,
+ .cr_mult = film_grain->cr_mult,
+ .cr_luma_mult = film_grain->cr_luma_mult,
+ .cr_offset = film_grain->cr_offset,
+ },
+ .pic_info_fields.bits = {
+ .frame_type = frame_header->frame_type,
+ .show_frame = frame_header->show_frame,
+ .showable_frame = frame_header->showable_frame,
+ .error_resilient_mode = frame_header->error_resilient_mode,
+ .disable_cdf_update = frame_header->disable_cdf_update,
+ .allow_screen_content_tools = frame_header->allow_screen_content_tools,
+ .force_integer_mv = frame_header->force_integer_mv,
+ .allow_intrabc = frame_header->allow_intrabc,
+ .use_superres = frame_header->use_superres,
+ .allow_high_precision_mv = frame_header->allow_high_precision_mv,
+ .is_motion_mode_switchable = frame_header->is_motion_mode_switchable,
+ .use_ref_frame_mvs = frame_header->use_ref_frame_mvs,
+ .disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf,
+ .uniform_tile_spacing_flag = frame_header->uniform_tile_spacing_flag,
+ .allow_warped_motion = frame_header->allow_warped_motion,
+ },
+ .loop_filter_info_fields.bits = {
+ .sharpness_level = frame_header->loop_filter_sharpness,
+ .mode_ref_delta_enabled = frame_header->loop_filter_delta_enabled,
+ .mode_ref_delta_update = frame_header->loop_filter_delta_update,
+ },
+ .mode_control_fields.bits = {
+ .delta_q_present_flag = frame_header->delta_q_present,
+ .log2_delta_q_res = frame_header->delta_q_res,
+ .delta_lf_present_flag = frame_header->delta_lf_present,
+ .log2_delta_lf_res = frame_header->delta_lf_res,
+ .delta_lf_multi = frame_header->delta_lf_multi,
+ .tx_mode = frame_header->tx_mode,
+ .reference_select = frame_header->reference_select,
+ .reduced_tx_set_used = frame_header->reduced_tx_set,
+ .skip_mode_present = frame_header->skip_mode_present,
+ },
+ .loop_restoration_fields.bits = {
+ .yframe_restoration_type = remap_lr_type[frame_header->lr_type[0]],
+ .cbframe_restoration_type = remap_lr_type[frame_header->lr_type[1]],
+ .crframe_restoration_type = remap_lr_type[frame_header->lr_type[2]],
+ .lr_unit_shift = frame_header->lr_unit_shift,
+ .lr_uv_shift = frame_header->lr_uv_shift,
+ },
+ .qmatrix_fields.bits = {
+ .using_qmatrix = frame_header->using_qmatrix,
+ .qm_y = frame_header->qm_y,
+ .qm_u = frame_header->qm_u,
+ .qm_v = frame_header->qm_v,
+ }
+ };
+
+ for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
+ if (pic_param.pic_info_fields.bits.frame_type == AV1_FRAME_KEY && frame_header->show_frame)
+ pic_param.ref_frame_map[i] = VA_INVALID_ID;
+ else
+ pic_param.ref_frame_map[i] = ctx->ref_tab[i].valid ?
+ ff_vaapi_get_surface_id(ctx->ref_tab[i].frame) :
+ vaapi_av1_surface_id(&s->ref[i]);
+ }
+ for (int i = 0; i < AV1_REFS_PER_FRAME; i++) {
+ pic_param.ref_frame_idx[i] = frame_header->ref_frame_idx[i];
+ }
+ for (int i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++) {
+ pic_param.ref_deltas[i] = frame_header->loop_filter_ref_deltas[i];
+ }
+ for (int i = 0; i < 2; i++) {
+ pic_param.mode_deltas[i] = frame_header->loop_filter_mode_deltas[i];
+ }
+ for (int i = 0; i < (1 << frame_header->cdef_bits); i++) {
+ pic_param.cdef_y_strengths[i] =
+ (frame_header->cdef_y_pri_strength[i] << 2) +
+ frame_header->cdef_y_sec_strength[i];
+ pic_param.cdef_uv_strengths[i] =
+ (frame_header->cdef_uv_pri_strength[i] << 2) +
+ frame_header->cdef_uv_sec_strength[i];
+ }
+ for (int i = 0; i < frame_header->tile_cols; i++) {
+ pic_param.width_in_sbs_minus_1[i] =
+ frame_header->width_in_sbs_minus_1[i];
+ }
+ for (int i = 0; i < frame_header->tile_rows; i++) {
+ pic_param.height_in_sbs_minus_1[i] =
+ frame_header->height_in_sbs_minus_1[i];
+ }
+ for (int i = AV1_REF_FRAME_LAST; i <= AV1_REF_FRAME_ALTREF; i++) {
+ pic_param.wm[i - 1].invalid = s->cur_frame.gm_invalid[i];
+ pic_param.wm[i - 1].wmtype = s->cur_frame.gm_type[i];
+ for (int j = 0; j < 6; j++)
+ pic_param.wm[i - 1].wmmat[j] = s->cur_frame.gm_params[i][j];
+ }
+ for (int i = 0; i < AV1_MAX_SEGMENTS; i++) {
+ for (int j = 0; j < AV1_SEG_LVL_MAX; j++) {
+ pic_param.seg_info.feature_mask[i] |= (frame_header->feature_enabled[i][j] << j);
+ if (segmentation_feature_signed[j])
+ pic_param.seg_info.feature_data[i][j] = av_clip(frame_header->feature_value[i][j],
+ -segmentation_feature_max[j], segmentation_feature_max[j]);
+ else
+ pic_param.seg_info.feature_data[i][j] = av_clip(frame_header->feature_value[i][j],
+ 0, segmentation_feature_max[j]);
+ }
+ }
+ if (apply_grain) {
+ for (int i = 0; i < film_grain->num_y_points; i++) {
+ pic_param.film_grain_info.point_y_value[i] =
+ film_grain->point_y_value[i];
+ pic_param.film_grain_info.point_y_scaling[i] =
+ film_grain->point_y_scaling[i];
+ }
+ for (int i = 0; i < film_grain->num_cb_points; i++) {
+ pic_param.film_grain_info.point_cb_value[i] =
+ film_grain->point_cb_value[i];
+ pic_param.film_grain_info.point_cb_scaling[i] =
+ film_grain->point_cb_scaling[i];
+ }
+ for (int i = 0; i < film_grain->num_cr_points; i++) {
+ pic_param.film_grain_info.point_cr_value[i] =
+ film_grain->point_cr_value[i];
+ pic_param.film_grain_info.point_cr_scaling[i] =
+ film_grain->point_cr_scaling[i];
+ }
+ for (int i = 0; i < 24; i++) {
+ pic_param.film_grain_info.ar_coeffs_y[i] =
+ film_grain->ar_coeffs_y_plus_128[i] - 128;
+ }
+ for (int i = 0; i < 25; i++) {
+ pic_param.film_grain_info.ar_coeffs_cb[i] =
+ film_grain->ar_coeffs_cb_plus_128[i] - 128;
+ pic_param.film_grain_info.ar_coeffs_cr[i] =
+ film_grain->ar_coeffs_cr_plus_128[i] - 128;
+ }
+ }
+ err = ff_vaapi_decode_make_param_buffer(avctx, pic,
+ VAPictureParameterBufferType,
+ &pic_param, sizeof(pic_param));
+ if (err < 0)
+ goto fail;
+
+ return 0;
+
+fail:
+ ff_vaapi_decode_cancel(avctx, pic);
+ return err;
+}
+
+static int vaapi_av1_end_frame(AVCodecContext *avctx)
+{
+ const AV1DecContext *s = avctx->priv_data;
+ const AV1RawFrameHeader *header = s->raw_frame_header;
+ const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
+ VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
+ VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
+
+ int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain;
+ int ret;
+ ret = ff_vaapi_decode_issue(avctx, pic);
+ if (ret < 0)
+ return ret;
+
+ for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
+ if (header->refresh_frame_flags & (1 << i)) {
+ if (ctx->ref_tab[i].frame->buf[0])
+ av_frame_unref(ctx->ref_tab[i].frame);
+
+ if (apply_grain) {
+ ret = av_frame_ref(ctx->ref_tab[i].frame, ctx->tmp_frame);
+ if (ret < 0)
+ return ret;
+ ctx->ref_tab[i].valid = 1;
+ } else {
+ ctx->ref_tab[i].valid = 0;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int vaapi_av1_decode_slice(AVCodecContext *avctx,
+ const uint8_t *buffer,
+ uint32_t size)
+{
+ const AV1DecContext *s = avctx->priv_data;
+ VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
+ VASliceParameterBufferAV1 slice_param;
+ int err = 0;
+
+ for (int i = s->tg_start; i <= s->tg_end; i++) {
+ memset(&slice_param, 0, sizeof(VASliceParameterBufferAV1));
+
+ slice_param = (VASliceParameterBufferAV1) {
+ .slice_data_size = s->tile_group_info[i].tile_size,
+ .slice_data_offset = s->tile_group_info[i].tile_offset,
+ .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
+ .tile_row = s->tile_group_info[i].tile_row,
+ .tile_column = s->tile_group_info[i].tile_column,
+ .tg_start = s->tg_start,
+ .tg_end = s->tg_end,
+ };
+
+ err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &slice_param,
+ sizeof(VASliceParameterBufferAV1),
+ buffer,
+ size);
+ if (err) {
+ ff_vaapi_decode_cancel(avctx, pic);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+const FFHWAccel ff_av1_vaapi_hwaccel = {
+ .p.name = "av1_vaapi",
+ .p.type = AVMEDIA_TYPE_VIDEO,
+ .p.id = AV_CODEC_ID_AV1,
+ .p.pix_fmt = AV_PIX_FMT_VAAPI,
+ .start_frame = vaapi_av1_start_frame,
+ .end_frame = vaapi_av1_end_frame,
+ .decode_slice = vaapi_av1_decode_slice,
+ .frame_priv_data_size = sizeof(VAAPIDecodePicture),
+ .init = vaapi_av1_decode_init,
+ .uninit = vaapi_av1_decode_uninit,
+ .frame_params = ff_vaapi_common_frame_params,
+ .priv_data_size = sizeof(VAAPIAV1DecContext),
+ .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-22 08:11:10 +0000