| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * MPEG-4 / H.263 HW decode acceleration through VA API | ||
| 3 | * | ||
| 4 | * Copyright (C) 2008-2009 Splitted-Desktop Systems | ||
| 5 | * | ||
| 6 | * This file is part of FFmpeg. | ||
| 7 | * | ||
| 8 | * FFmpeg is free software; you can redistribute it and/or | ||
| 9 | * modify it under the terms of the GNU Lesser General Public | ||
| 10 | * License as published by the Free Software Foundation; either | ||
| 11 | * version 2.1 of the License, or (at your option) any later version. | ||
| 12 | * | ||
| 13 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 16 | * Lesser General Public License for more details. | ||
| 17 | * | ||
| 18 | * You should have received a copy of the GNU Lesser General Public | ||
| 19 | * License along with FFmpeg; if not, write to the Free Software | ||
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 21 | */ | ||
| 22 | |||
| 23 | #include "config_components.h" | ||
| 24 | |||
| 25 | #include "h263.h" | ||
| 26 | #include "hwaccel_internal.h" | ||
| 27 | #include "mpeg4videodec.h" | ||
| 28 | #include "mpegvideo.h" | ||
| 29 | #include "mpegvideodec.h" | ||
| 30 | #include "vaapi_decode.h" | ||
| 31 | |||
| 32 | /** Reconstruct bitstream intra_dc_vlc_thr */ | ||
| 33 | ✗ | static int mpeg4_get_intra_dc_vlc_thr(Mpeg4DecContext *s) | |
| 34 | { | ||
| 35 | ✗ | switch (s->intra_dc_threshold) { | |
| 36 | ✗ | case 99: return 0; | |
| 37 | ✗ | case 13: return 1; | |
| 38 | ✗ | case 15: return 2; | |
| 39 | ✗ | case 17: return 3; | |
| 40 | ✗ | case 19: return 4; | |
| 41 | ✗ | case 21: return 5; | |
| 42 | ✗ | case 23: return 6; | |
| 43 | ✗ | case 0: return 7; | |
| 44 | } | ||
| 45 | ✗ | return 0; | |
| 46 | } | ||
| 47 | |||
| 48 | ✗ | static int vaapi_mpeg4_start_frame(AVCodecContext *avctx, | |
| 49 | av_unused const AVBufferRef *buffer_ref, | ||
| 50 | av_unused const uint8_t *buffer, | ||
| 51 | av_unused uint32_t size) | ||
| 52 | { | ||
| 53 | ✗ | Mpeg4DecContext *ctx = avctx->priv_data; | |
| 54 | ✗ | MpegEncContext *s = &ctx->m; | |
| 55 | ✗ | VAAPIDecodePicture *pic = s->cur_pic.ptr->hwaccel_picture_private; | |
| 56 | VAPictureParameterBufferMPEG4 pic_param; | ||
| 57 | int i, err; | ||
| 58 | |||
| 59 | ✗ | pic->output_surface = ff_vaapi_get_surface_id(s->cur_pic.ptr->f); | |
| 60 | |||
| 61 | ✗ | pic_param = (VAPictureParameterBufferMPEG4) { | |
| 62 | ✗ | .vop_width = s->width, | |
| 63 | ✗ | .vop_height = s->height, | |
| 64 | .forward_reference_picture = VA_INVALID_ID, | ||
| 65 | .backward_reference_picture = VA_INVALID_ID, | ||
| 66 | .vol_fields.bits = { | ||
| 67 | ✗ | .short_video_header = avctx->codec->id == AV_CODEC_ID_H263, | |
| 68 | .chroma_format = CHROMA_420, | ||
| 69 | ✗ | .interlaced = !s->progressive_sequence, | |
| 70 | .obmc_disable = 1, | ||
| 71 | ✗ | .sprite_enable = ctx->vol_sprite_usage, | |
| 72 | ✗ | .sprite_warping_accuracy = ctx->sprite_warping_accuracy, | |
| 73 | ✗ | .quant_type = ctx->mpeg_quant, | |
| 74 | ✗ | .quarter_sample = s->quarter_sample, | |
| 75 | ✗ | .data_partitioned = s->data_partitioning, | |
| 76 | ✗ | .reversible_vlc = ctx->rvlc, | |
| 77 | ✗ | .resync_marker_disable = !ctx->resync_marker, | |
| 78 | }, | ||
| 79 | ✗ | .no_of_sprite_warping_points = ctx->num_sprite_warping_points, | |
| 80 | ✗ | .quant_precision = ctx->quant_precision, | |
| 81 | .vop_fields.bits = { | ||
| 82 | ✗ | .vop_coding_type = s->pict_type - AV_PICTURE_TYPE_I, | |
| 83 | .backward_reference_vop_coding_type = | ||
| 84 | ✗ | s->pict_type == AV_PICTURE_TYPE_B ? s->next_pic.ptr->f->pict_type - AV_PICTURE_TYPE_I : 0, | |
| 85 | ✗ | .vop_rounding_type = s->no_rounding, | |
| 86 | ✗ | .intra_dc_vlc_thr = mpeg4_get_intra_dc_vlc_thr(ctx), | |
| 87 | ✗ | .top_field_first = s->top_field_first, | |
| 88 | ✗ | .alternate_vertical_scan_flag = s->alternate_scan, | |
| 89 | }, | ||
| 90 | ✗ | .vop_fcode_forward = ctx->f_code, | |
| 91 | ✗ | .vop_fcode_backward = ctx->b_code, | |
| 92 | ✗ | .vop_time_increment_resolution = avctx->framerate.num, | |
| 93 | ✗ | .num_macroblocks_in_gob = s->mb_width * H263_GOB_HEIGHT(s->height), | |
| 94 | .num_gobs_in_vop = | ||
| 95 | ✗ | (s->mb_width * s->mb_height) / (s->mb_width * H263_GOB_HEIGHT(s->height)), | |
| 96 | ✗ | .TRB = s->pb_time, | |
| 97 | ✗ | .TRD = s->pp_time, | |
| 98 | }; | ||
| 99 | |||
| 100 | ✗ | for (i = 0; i < ctx->num_sprite_warping_points && i < 3; i++) { | |
| 101 | ✗ | pic_param.sprite_trajectory_du[i] = ctx->sprite_traj[i][0]; | |
| 102 | ✗ | pic_param.sprite_trajectory_dv[i] = ctx->sprite_traj[i][1]; | |
| 103 | } | ||
| 104 | |||
| 105 | ✗ | if (s->pict_type == AV_PICTURE_TYPE_B) | |
| 106 | ✗ | pic_param.backward_reference_picture = ff_vaapi_get_surface_id(s->next_pic.ptr->f); | |
| 107 | ✗ | if (s->pict_type != AV_PICTURE_TYPE_I) | |
| 108 | ✗ | pic_param.forward_reference_picture = ff_vaapi_get_surface_id(s->last_pic.ptr->f); | |
| 109 | |||
| 110 | ✗ | err = ff_vaapi_decode_make_param_buffer(avctx, pic, | |
| 111 | VAPictureParameterBufferType, | ||
| 112 | &pic_param, sizeof(pic_param)); | ||
| 113 | ✗ | if (err < 0) | |
| 114 | ✗ | goto fail; | |
| 115 | |||
| 116 | /* Only the first inverse quantisation method uses the weighting matrices */ | ||
| 117 | ✗ | if (pic_param.vol_fields.bits.quant_type) { | |
| 118 | VAIQMatrixBufferMPEG4 iq_matrix; | ||
| 119 | |||
| 120 | ✗ | iq_matrix.load_intra_quant_mat = 1; | |
| 121 | ✗ | iq_matrix.load_non_intra_quant_mat = 1; | |
| 122 | |||
| 123 | ✗ | for (i = 0; i < 64; i++) { | |
| 124 | ✗ | int n = s->idsp.idct_permutation[ff_zigzag_direct[i]]; | |
| 125 | ✗ | iq_matrix.intra_quant_mat[i] = s->intra_matrix[n]; | |
| 126 | ✗ | iq_matrix.non_intra_quant_mat[i] = s->inter_matrix[n]; | |
| 127 | } | ||
| 128 | |||
| 129 | ✗ | err = ff_vaapi_decode_make_param_buffer(avctx, pic, | |
| 130 | VAIQMatrixBufferType, | ||
| 131 | &iq_matrix, sizeof(iq_matrix)); | ||
| 132 | ✗ | if (err < 0) | |
| 133 | ✗ | goto fail; | |
| 134 | } | ||
| 135 | ✗ | return 0; | |
| 136 | |||
| 137 | ✗ | fail: | |
| 138 | ✗ | ff_vaapi_decode_cancel(avctx, pic); | |
| 139 | ✗ | return err; | |
| 140 | } | ||
| 141 | |||
| 142 | ✗ | static int vaapi_mpeg4_end_frame(AVCodecContext *avctx) | |
| 143 | { | ||
| 144 | ✗ | MpegEncContext *s = avctx->priv_data; | |
| 145 | ✗ | VAAPIDecodePicture *pic = s->cur_pic.ptr->hwaccel_picture_private; | |
| 146 | int ret; | ||
| 147 | |||
| 148 | ✗ | ret = ff_vaapi_decode_issue(avctx, pic); | |
| 149 | ✗ | if (ret < 0) | |
| 150 | ✗ | goto fail; | |
| 151 | |||
| 152 | ✗ | ff_mpeg_draw_horiz_band(s, 0, s->avctx->height); | |
| 153 | |||
| 154 | ✗ | fail: | |
| 155 | ✗ | return ret; | |
| 156 | } | ||
| 157 | |||
| 158 | ✗ | static int vaapi_mpeg4_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) | |
| 159 | { | ||
| 160 | ✗ | MpegEncContext *s = avctx->priv_data; | |
| 161 | ✗ | VAAPIDecodePicture *pic = s->cur_pic.ptr->hwaccel_picture_private; | |
| 162 | VASliceParameterBufferMPEG4 slice_param; | ||
| 163 | int err; | ||
| 164 | |||
| 165 | ✗ | slice_param = (VASliceParameterBufferMPEG4) { | |
| 166 | .slice_data_size = size, | ||
| 167 | .slice_data_offset = 0, | ||
| 168 | .slice_data_flag = VA_SLICE_DATA_FLAG_ALL, | ||
| 169 | ✗ | .macroblock_offset = get_bits_count(&s->gb) % 8, | |
| 170 | .macroblock_number = 0, | ||
| 171 | ✗ | .quant_scale = s->qscale, | |
| 172 | }; | ||
| 173 | |||
| 174 | ✗ | err = ff_vaapi_decode_make_slice_buffer(avctx, pic, | |
| 175 | &slice_param, 1, sizeof(slice_param), | ||
| 176 | buffer, size); | ||
| 177 | ✗ | if (err < 0) { | |
| 178 | ✗ | ff_vaapi_decode_cancel(avctx, pic); | |
| 179 | ✗ | return err; | |
| 180 | } | ||
| 181 | |||
| 182 | ✗ | return 0; | |
| 183 | } | ||
| 184 | |||
| 185 | #if CONFIG_MPEG4_VAAPI_HWACCEL | ||
| 186 | const FFHWAccel ff_mpeg4_vaapi_hwaccel = { | ||
| 187 | .p.name = "mpeg4_vaapi", | ||
| 188 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 189 | .p.id = AV_CODEC_ID_MPEG4, | ||
| 190 | .p.pix_fmt = AV_PIX_FMT_VAAPI, | ||
| 191 | .start_frame = &vaapi_mpeg4_start_frame, | ||
| 192 | .end_frame = &vaapi_mpeg4_end_frame, | ||
| 193 | .decode_slice = &vaapi_mpeg4_decode_slice, | ||
| 194 | .frame_priv_data_size = sizeof(VAAPIDecodePicture), | ||
| 195 | .init = &ff_vaapi_decode_init, | ||
| 196 | .uninit = &ff_vaapi_decode_uninit, | ||
| 197 | .frame_params = &ff_vaapi_common_frame_params, | ||
| 198 | .priv_data_size = sizeof(VAAPIDecodeContext), | ||
| 199 | .caps_internal = HWACCEL_CAP_ASYNC_SAFE, | ||
| 200 | }; | ||
| 201 | #endif | ||
| 202 | |||
| 203 | #if CONFIG_H263_VAAPI_HWACCEL | ||
| 204 | const FFHWAccel ff_h263_vaapi_hwaccel = { | ||
| 205 | .p.name = "h263_vaapi", | ||
| 206 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 207 | .p.id = AV_CODEC_ID_H263, | ||
| 208 | .p.pix_fmt = AV_PIX_FMT_VAAPI, | ||
| 209 | .start_frame = &vaapi_mpeg4_start_frame, | ||
| 210 | .end_frame = &vaapi_mpeg4_end_frame, | ||
| 211 | .decode_slice = &vaapi_mpeg4_decode_slice, | ||
| 212 | .frame_priv_data_size = sizeof(VAAPIDecodePicture), | ||
| 213 | .init = &ff_vaapi_decode_init, | ||
| 214 | .uninit = &ff_vaapi_decode_uninit, | ||
| 215 | .frame_params = &ff_vaapi_common_frame_params, | ||
| 216 | .priv_data_size = sizeof(VAAPIDecodeContext), | ||
| 217 | .caps_internal = HWACCEL_CAP_ASYNC_SAFE, | ||
| 218 | }; | ||
| 219 | #endif | ||
| 220 |