vaapi_vp8.c (8875B)
1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 #include <va/va.h> 20 #include <va/va_dec_vp8.h> 21 22 #include "hwaccel_internal.h" 23 #include "vaapi_decode.h" 24 #include "vp8.h" 25 26 static VASurfaceID vaapi_vp8_surface_id(VP8Frame *vf) 27 { 28 if (vf) 29 return ff_vaapi_get_surface_id(vf->tf.f); 30 else 31 return VA_INVALID_SURFACE; 32 } 33 34 static int vaapi_vp8_start_frame(AVCodecContext *avctx, 35 av_unused const uint8_t *buffer, 36 av_unused uint32_t size) 37 { 38 const VP8Context *s = avctx->priv_data; 39 VAAPIDecodePicture *pic = s->framep[VP8_FRAME_CURRENT]->hwaccel_picture_private; 40 VAPictureParameterBufferVP8 pp; 41 VAProbabilityDataBufferVP8 prob; 42 VAIQMatrixBufferVP8 quant; 43 int err, i, j, k; 44 45 pic->output_surface = vaapi_vp8_surface_id(s->framep[VP8_FRAME_CURRENT]); 46 47 pp = (VAPictureParameterBufferVP8) { 48 .frame_width = avctx->width, 49 .frame_height = avctx->height, 50 51 .last_ref_frame = vaapi_vp8_surface_id(s->framep[VP8_FRAME_PREVIOUS]), 52 .golden_ref_frame = vaapi_vp8_surface_id(s->framep[VP8_FRAME_GOLDEN]), 53 .alt_ref_frame = vaapi_vp8_surface_id(s->framep[VP8_FRAME_ALTREF]), 54 .out_of_loop_frame = VA_INVALID_SURFACE, 55 56 .pic_fields.bits = { 57 .key_frame = !s->keyframe, 58 .version = s->profile, 59 60 .segmentation_enabled = s->segmentation.enabled, 61 .update_mb_segmentation_map = s->segmentation.update_map, 62 .update_segment_feature_data = s->segmentation.update_feature_data, 63 64 .filter_type = s->filter.simple, 65 .sharpness_level = s->filter.sharpness, 66 67 .loop_filter_adj_enable = s->lf_delta.enabled, 68 .mode_ref_lf_delta_update = s->lf_delta.update, 69 70 .sign_bias_golden = s->sign_bias[VP8_FRAME_GOLDEN], 71 .sign_bias_alternate = s->sign_bias[VP8_FRAME_ALTREF], 72 73 .mb_no_coeff_skip = s->mbskip_enabled, 74 .loop_filter_disable = s->filter.level == 0, 75 }, 76 77 .prob_skip_false = s->prob->mbskip, 78 .prob_intra = s->prob->intra, 79 .prob_last = s->prob->last, 80 .prob_gf = s->prob->golden, 81 }; 82 83 for (i = 0; i < 3; i++) 84 pp.mb_segment_tree_probs[i] = s->prob->segmentid[i]; 85 86 for (i = 0; i < 4; i++) { 87 if (s->segmentation.enabled) { 88 pp.loop_filter_level[i] = s->segmentation.filter_level[i]; 89 if (!s->segmentation.absolute_vals) 90 pp.loop_filter_level[i] += s->filter.level; 91 } else { 92 pp.loop_filter_level[i] = s->filter.level; 93 } 94 pp.loop_filter_level[i] = av_clip_uintp2(pp.loop_filter_level[i], 6); 95 } 96 97 for (i = 0; i < 4; i++) { 98 pp.loop_filter_deltas_ref_frame[i] = s->lf_delta.ref[i]; 99 pp.loop_filter_deltas_mode[i] = s->lf_delta.mode[i + 4]; 100 } 101 102 if (s->keyframe) { 103 static const uint8_t keyframe_y_mode_probs[4] = { 104 145, 156, 163, 128 105 }; 106 static const uint8_t keyframe_uv_mode_probs[3] = { 107 142, 114, 183 108 }; 109 memcpy(pp.y_mode_probs, keyframe_y_mode_probs, 4); 110 memcpy(pp.uv_mode_probs, keyframe_uv_mode_probs, 3); 111 } else { 112 for (i = 0; i < 4; i++) 113 pp.y_mode_probs[i] = s->prob->pred16x16[i]; 114 for (i = 0; i < 3; i++) 115 pp.uv_mode_probs[i] = s->prob->pred8x8c[i]; 116 } 117 for (i = 0; i < 2; i++) 118 for (j = 0; j < 19; j++) 119 pp.mv_probs[i][j] = s->prob->mvc[i][j]; 120 121 pp.bool_coder_ctx.range = s->coder_state_at_header_end.range; 122 pp.bool_coder_ctx.value = s->coder_state_at_header_end.value; 123 pp.bool_coder_ctx.count = s->coder_state_at_header_end.bit_count; 124 125 err = ff_vaapi_decode_make_param_buffer(avctx, pic, 126 VAPictureParameterBufferType, 127 &pp, sizeof(pp)); 128 if (err < 0) 129 goto fail; 130 131 for (i = 0; i < 4; i++) { 132 for (j = 0; j < 8; j++) { 133 static const int coeff_bands_inverse[8] = { 134 0, 1, 2, 3, 5, 6, 4, 15 135 }; 136 int coeff_pos = coeff_bands_inverse[j]; 137 138 for (k = 0; k < 3; k++) { 139 memcpy(prob.dct_coeff_probs[i][j][k], 140 s->prob->token[i][coeff_pos][k], 11); 141 } 142 } 143 } 144 145 err = ff_vaapi_decode_make_param_buffer(avctx, pic, 146 VAProbabilityBufferType, 147 &prob, sizeof(prob)); 148 if (err < 0) 149 goto fail; 150 151 for (i = 0; i < 4; i++) { 152 int base_qi = s->segmentation.base_quant[i]; 153 if (!s->segmentation.absolute_vals) 154 base_qi += s->quant.yac_qi; 155 156 quant.quantization_index[i][0] = av_clip_uintp2(base_qi, 7); 157 quant.quantization_index[i][1] = av_clip_uintp2(base_qi + s->quant.ydc_delta, 7); 158 quant.quantization_index[i][2] = av_clip_uintp2(base_qi + s->quant.y2dc_delta, 7); 159 quant.quantization_index[i][3] = av_clip_uintp2(base_qi + s->quant.y2ac_delta, 7); 160 quant.quantization_index[i][4] = av_clip_uintp2(base_qi + s->quant.uvdc_delta, 7); 161 quant.quantization_index[i][5] = av_clip_uintp2(base_qi + s->quant.uvac_delta, 7); 162 } 163 164 err = ff_vaapi_decode_make_param_buffer(avctx, pic, 165 VAIQMatrixBufferType, 166 &quant, sizeof(quant)); 167 if (err < 0) 168 goto fail; 169 170 return 0; 171 172 fail: 173 ff_vaapi_decode_cancel(avctx, pic); 174 return err; 175 } 176 177 static int vaapi_vp8_end_frame(AVCodecContext *avctx) 178 { 179 const VP8Context *s = avctx->priv_data; 180 VAAPIDecodePicture *pic = s->framep[VP8_FRAME_CURRENT]->hwaccel_picture_private; 181 182 return ff_vaapi_decode_issue(avctx, pic); 183 } 184 185 static int vaapi_vp8_decode_slice(AVCodecContext *avctx, 186 const uint8_t *buffer, 187 uint32_t size) 188 { 189 const VP8Context *s = avctx->priv_data; 190 VAAPIDecodePicture *pic = s->framep[VP8_FRAME_CURRENT]->hwaccel_picture_private; 191 VASliceParameterBufferVP8 sp; 192 int err, i; 193 194 unsigned int header_size = 3 + 7 * s->keyframe; 195 const uint8_t *data = buffer + header_size; 196 unsigned int data_size = size - header_size; 197 198 sp = (VASliceParameterBufferVP8) { 199 .slice_data_size = data_size, 200 .slice_data_offset = 0, 201 .slice_data_flag = VA_SLICE_DATA_FLAG_ALL, 202 203 .macroblock_offset = (8 * (s->coder_state_at_header_end.input - data) - 204 s->coder_state_at_header_end.bit_count - 8), 205 .num_of_partitions = s->num_coeff_partitions + 1, 206 }; 207 208 sp.partition_size[0] = s->header_partition_size - ((sp.macroblock_offset + 7) / 8); 209 for (i = 0; i < 8; i++) 210 sp.partition_size[i+1] = s->coeff_partition_size[i]; 211 212 err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &sp, 1, sizeof(sp), data, data_size); 213 if (err) 214 goto fail; 215 216 return 0; 217 218 fail: 219 ff_vaapi_decode_cancel(avctx, pic); 220 return err; 221 } 222 223 const FFHWAccel ff_vp8_vaapi_hwaccel = { 224 .p.name = "vp8_vaapi", 225 .p.type = AVMEDIA_TYPE_VIDEO, 226 .p.id = AV_CODEC_ID_VP8, 227 .p.pix_fmt = AV_PIX_FMT_VAAPI, 228 .start_frame = &vaapi_vp8_start_frame, 229 .end_frame = &vaapi_vp8_end_frame, 230 .decode_slice = &vaapi_vp8_decode_slice, 231 .frame_priv_data_size = sizeof(VAAPIDecodePicture), 232 .init = &ff_vaapi_decode_init, 233 .uninit = &ff_vaapi_decode_uninit, 234 .frame_params = &ff_vaapi_common_frame_params, 235 .priv_data_size = sizeof(VAAPIDecodeContext), 236 .caps_internal = HWACCEL_CAP_ASYNC_SAFE, 237 };