GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/vaapi_vp8.c Lines: 0 109 0.0 %
Date: 2020-09-25 23:16:12 Branches: 0 42 0.0 %

Line Branch Exec Source
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/*
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#include <va/va.h>
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#include <va/va_dec_vp8.h>
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#include "hwconfig.h"
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#include "vaapi_decode.h"
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#include "vp8.h"
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static VASurfaceID vaapi_vp8_surface_id(VP8Frame *vf)
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{
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    if (vf)
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        return ff_vaapi_get_surface_id(vf->tf.f);
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    else
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        return VA_INVALID_SURFACE;
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}
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static int vaapi_vp8_start_frame(AVCodecContext          *avctx,
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                                 av_unused const uint8_t *buffer,
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                                 av_unused uint32_t       size)
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{
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    const VP8Context *s = avctx->priv_data;
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    VAAPIDecodePicture *pic = s->framep[VP56_FRAME_CURRENT]->hwaccel_picture_private;
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    VAPictureParameterBufferVP8 pp;
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    VAProbabilityDataBufferVP8 prob;
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    VAIQMatrixBufferVP8 quant;
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    int err, i, j, k;
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    pic->output_surface = vaapi_vp8_surface_id(s->framep[VP56_FRAME_CURRENT]);
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    pp = (VAPictureParameterBufferVP8) {
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        .frame_width                     = avctx->width,
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        .frame_height                    = avctx->height,
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        .last_ref_frame                  = vaapi_vp8_surface_id(s->framep[VP56_FRAME_PREVIOUS]),
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        .golden_ref_frame                = vaapi_vp8_surface_id(s->framep[VP56_FRAME_GOLDEN]),
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        .alt_ref_frame                   = vaapi_vp8_surface_id(s->framep[VP56_FRAME_GOLDEN2]),
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        .out_of_loop_frame               = VA_INVALID_SURFACE,
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        .pic_fields.bits = {
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            .key_frame                   = !s->keyframe,
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            .version                     = s->profile,
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            .segmentation_enabled        = s->segmentation.enabled,
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            .update_mb_segmentation_map  = s->segmentation.update_map,
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            .update_segment_feature_data = s->segmentation.update_feature_data,
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            .filter_type                 = s->filter.simple,
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            .sharpness_level             = s->filter.sharpness,
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            .loop_filter_adj_enable      = s->lf_delta.enabled,
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            .mode_ref_lf_delta_update    = s->lf_delta.update,
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            .sign_bias_golden            = s->sign_bias[VP56_FRAME_GOLDEN],
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            .sign_bias_alternate         = s->sign_bias[VP56_FRAME_GOLDEN2],
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            .mb_no_coeff_skip            = s->mbskip_enabled,
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            .loop_filter_disable         = s->filter.level == 0,
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        },
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        .prob_skip_false                 = s->prob->mbskip,
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        .prob_intra                      = s->prob->intra,
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        .prob_last                       = s->prob->last,
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        .prob_gf                         = s->prob->golden,
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    };
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    for (i = 0; i < 3; i++)
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        pp.mb_segment_tree_probs[i] = s->prob->segmentid[i];
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    for (i = 0; i < 4; i++) {
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        if (s->segmentation.enabled) {
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            pp.loop_filter_level[i] = s->segmentation.filter_level[i];
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            if (!s->segmentation.absolute_vals)
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                pp.loop_filter_level[i] += s->filter.level;
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        } else {
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            pp.loop_filter_level[i] = s->filter.level;
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        }
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        pp.loop_filter_level[i] = av_clip_uintp2(pp.loop_filter_level[i], 6);
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    }
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    for (i = 0; i < 4; i++) {
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        pp.loop_filter_deltas_ref_frame[i] = s->lf_delta.ref[i];
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        pp.loop_filter_deltas_mode[i] = s->lf_delta.mode[i + 4];
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    }
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    if (s->keyframe) {
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        static const uint8_t keyframe_y_mode_probs[4] = {
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            145, 156, 163, 128
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        };
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        static const uint8_t keyframe_uv_mode_probs[3] = {
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            142, 114, 183
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        };
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        memcpy(pp.y_mode_probs,  keyframe_y_mode_probs,  4);
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        memcpy(pp.uv_mode_probs, keyframe_uv_mode_probs, 3);
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    } else {
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        for (i = 0; i < 4; i++)
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            pp.y_mode_probs[i] = s->prob->pred16x16[i];
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        for (i = 0; i < 3; i++)
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            pp.uv_mode_probs[i] = s->prob->pred8x8c[i];
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    }
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    for (i = 0; i < 2; i++)
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        for (j = 0; j < 19; j++)
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            pp.mv_probs[i][j] = s->prob->mvc[i][j];
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    pp.bool_coder_ctx.range = s->coder_state_at_header_end.range;
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    pp.bool_coder_ctx.value = s->coder_state_at_header_end.value;
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    pp.bool_coder_ctx.count = s->coder_state_at_header_end.bit_count;
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    err = ff_vaapi_decode_make_param_buffer(avctx, pic,
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                                            VAPictureParameterBufferType,
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                                            &pp, sizeof(pp));
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    if (err < 0)
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        goto fail;
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    for (i = 0; i < 4; i++) {
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        for (j = 0; j < 8; j++) {
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            static const int coeff_bands_inverse[8] = {
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                0, 1, 2, 3, 5, 6, 4, 15
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            };
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            int coeff_pos = coeff_bands_inverse[j];
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            for (k = 0; k < 3; k++) {
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                memcpy(prob.dct_coeff_probs[i][j][k],
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                       s->prob->token[i][coeff_pos][k], 11);
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            }
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        }
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    }
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    err = ff_vaapi_decode_make_param_buffer(avctx, pic,
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                                            VAProbabilityBufferType,
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                                            &prob, sizeof(prob));
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    if (err < 0)
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        goto fail;
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    for (i = 0; i < 4; i++) {
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        int base_qi = s->segmentation.base_quant[i];
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        if (!s->segmentation.absolute_vals)
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            base_qi += s->quant.yac_qi;
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        quant.quantization_index[i][0] = av_clip_uintp2(base_qi,                       7);
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        quant.quantization_index[i][1] = av_clip_uintp2(base_qi + s->quant.ydc_delta,  7);
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        quant.quantization_index[i][2] = av_clip_uintp2(base_qi + s->quant.y2dc_delta, 7);
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        quant.quantization_index[i][3] = av_clip_uintp2(base_qi + s->quant.y2ac_delta, 7);
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        quant.quantization_index[i][4] = av_clip_uintp2(base_qi + s->quant.uvdc_delta, 7);
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        quant.quantization_index[i][5] = av_clip_uintp2(base_qi + s->quant.uvac_delta, 7);
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    }
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    err = ff_vaapi_decode_make_param_buffer(avctx, pic,
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                                            VAIQMatrixBufferType,
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                                            &quant, sizeof(quant));
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    if (err < 0)
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        goto fail;
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    return 0;
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fail:
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    ff_vaapi_decode_cancel(avctx, pic);
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    return err;
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}
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static int vaapi_vp8_end_frame(AVCodecContext *avctx)
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{
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    const VP8Context *s = avctx->priv_data;
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    VAAPIDecodePicture *pic = s->framep[VP56_FRAME_CURRENT]->hwaccel_picture_private;
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    return ff_vaapi_decode_issue(avctx, pic);
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}
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static int vaapi_vp8_decode_slice(AVCodecContext *avctx,
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                                  const uint8_t  *buffer,
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                                  uint32_t        size)
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{
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    const VP8Context *s = avctx->priv_data;
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    VAAPIDecodePicture *pic = s->framep[VP56_FRAME_CURRENT]->hwaccel_picture_private;
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    VASliceParameterBufferVP8 sp;
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    int err, i;
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    unsigned int header_size = 3 + 7 * s->keyframe;
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    const uint8_t *data = buffer + header_size;
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    unsigned int data_size = size - header_size;
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    sp = (VASliceParameterBufferVP8) {
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        .slice_data_size   = data_size,
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        .slice_data_offset = 0,
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        .slice_data_flag   = VA_SLICE_DATA_FLAG_ALL,
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        .macroblock_offset = (8 * (s->coder_state_at_header_end.input - data) -
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                              s->coder_state_at_header_end.bit_count - 8),
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        .num_of_partitions = s->num_coeff_partitions + 1,
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    };
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    sp.partition_size[0] = s->header_partition_size - ((sp.macroblock_offset + 7) / 8);
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    for (i = 0; i < 8; i++)
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        sp.partition_size[i+1] = s->coeff_partition_size[i];
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    err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &sp, sizeof(sp), data, data_size);
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    if (err)
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        goto fail;
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    return 0;
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fail:
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    ff_vaapi_decode_cancel(avctx, pic);
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    return err;
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}
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const AVHWAccel ff_vp8_vaapi_hwaccel = {
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    .name                 = "vp8_vaapi",
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    .type                 = AVMEDIA_TYPE_VIDEO,
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    .id                   = AV_CODEC_ID_VP8,
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    .pix_fmt              = AV_PIX_FMT_VAAPI,
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    .start_frame          = &vaapi_vp8_start_frame,
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    .end_frame            = &vaapi_vp8_end_frame,
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    .decode_slice         = &vaapi_vp8_decode_slice,
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    .frame_priv_data_size = sizeof(VAAPIDecodePicture),
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    .init                 = &ff_vaapi_decode_init,
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    .uninit               = &ff_vaapi_decode_uninit,
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    .frame_params         = &ff_vaapi_common_frame_params,
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    .priv_data_size       = sizeof(VAAPIDecodeContext),
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    .caps_internal        = HWACCEL_CAP_ASYNC_SAFE,
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};