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4349 | Serge | 1 | /* |
2 | * VC-1 decode acceleration through VDPAU |
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3 | * |
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4 | * Copyright (c) 2008 NVIDIA |
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5 | * Copyright (c) 2013 RĂ©mi Denis-Courmont |
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6 | * |
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7 | * This file is part of FFmpeg. |
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8 | * |
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9 | * FFmpeg is free software; you can redistribute it and/or |
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10 | * modify it under the terms of the GNU Lesser General Public |
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11 | * License as published by the Free Software Foundation; either |
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12 | * version 2.1 of the License, or (at your option) any later version. |
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13 | * |
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14 | * FFmpeg is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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17 | * Lesser General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU Lesser General Public |
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20 | * License along with FFmpeg; if not, write to the Free Software Foundation, |
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21 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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22 | */ |
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23 | |||
24 | #include |
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25 | |||
26 | #include "avcodec.h" |
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27 | #include "vc1.h" |
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28 | #include "vdpau.h" |
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29 | #include "vdpau_internal.h" |
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30 | |||
31 | static int vdpau_vc1_start_frame(AVCodecContext *avctx, |
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32 | const uint8_t *buffer, uint32_t size) |
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33 | { |
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34 | VC1Context * const v = avctx->priv_data; |
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35 | MpegEncContext * const s = &v->s; |
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36 | Picture *pic = s->current_picture_ptr; |
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37 | struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private; |
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38 | VdpPictureInfoVC1 *info = &pic_ctx->info.vc1; |
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39 | VdpVideoSurface ref; |
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40 | |||
41 | /* fill LvPictureInfoVC1 struct */ |
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42 | info->forward_reference = VDP_INVALID_HANDLE; |
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43 | info->backward_reference = VDP_INVALID_HANDLE; |
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44 | |||
45 | switch (s->pict_type) { |
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46 | case AV_PICTURE_TYPE_B: |
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47 | if (s->next_picture_ptr) { |
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48 | ref = ff_vdpau_get_surface_id(&s->next_picture); |
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49 | assert(ref != VDP_INVALID_HANDLE); |
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50 | info->backward_reference = ref; |
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51 | } |
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52 | /* fall-through */ |
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53 | case AV_PICTURE_TYPE_P: |
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54 | if (s->last_picture_ptr) { |
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55 | ref = ff_vdpau_get_surface_id(&s->last_picture); |
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56 | assert(ref != VDP_INVALID_HANDLE); |
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57 | info->forward_reference = ref; |
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58 | } |
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59 | } |
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60 | |||
61 | info->slice_count = 0; |
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62 | if (v->bi_type) |
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63 | info->picture_type = 4; |
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64 | else |
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65 | info->picture_type = s->pict_type - 1 + s->pict_type / 3; |
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66 | |||
67 | info->frame_coding_mode = v->fcm ? (v->fcm + 1) : 0; |
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68 | info->postprocflag = v->postprocflag; |
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69 | info->pulldown = v->broadcast; |
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70 | info->interlace = v->interlace; |
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71 | info->tfcntrflag = v->tfcntrflag; |
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72 | info->finterpflag = v->finterpflag; |
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73 | info->psf = v->psf; |
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74 | info->dquant = v->dquant; |
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75 | info->panscan_flag = v->panscanflag; |
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76 | info->refdist_flag = v->refdist_flag; |
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77 | info->quantizer = v->quantizer_mode; |
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78 | info->extended_mv = v->extended_mv; |
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79 | info->extended_dmv = v->extended_dmv; |
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80 | info->overlap = v->overlap; |
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81 | info->vstransform = v->vstransform; |
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82 | info->loopfilter = v->s.loop_filter; |
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83 | info->fastuvmc = v->fastuvmc; |
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84 | info->range_mapy_flag = v->range_mapy_flag; |
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85 | info->range_mapy = v->range_mapy; |
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86 | info->range_mapuv_flag = v->range_mapuv_flag; |
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87 | info->range_mapuv = v->range_mapuv; |
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88 | /* Specific to simple/main profile only */ |
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89 | info->multires = v->multires; |
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90 | info->syncmarker = v->s.resync_marker; |
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91 | info->rangered = v->rangered | (v->rangeredfrm << 1); |
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92 | info->maxbframes = v->s.max_b_frames; |
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93 | info->deblockEnable = v->postprocflag & 1; |
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94 | info->pquant = v->pq; |
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95 | |||
96 | return ff_vdpau_common_start_frame(pic, buffer, size); |
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97 | } |
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98 | |||
99 | static int vdpau_vc1_decode_slice(AVCodecContext *avctx, |
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100 | const uint8_t *buffer, uint32_t size) |
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101 | { |
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102 | VC1Context * const v = avctx->priv_data; |
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103 | MpegEncContext * const s = &v->s; |
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104 | Picture *pic = s->current_picture_ptr; |
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105 | struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private; |
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106 | int val; |
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107 | |||
108 | val = ff_vdpau_add_buffer(pic, buffer, size); |
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109 | if (val < 0) |
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110 | return val; |
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111 | |||
112 | pic_ctx->info.vc1.slice_count++; |
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113 | return 0; |
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114 | } |
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115 | |||
116 | #if CONFIG_WMV3_VDPAU_HWACCEL |
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117 | AVHWAccel ff_wmv3_vdpau_hwaccel = { |
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118 | .name = "wm3_vdpau", |
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119 | .type = AVMEDIA_TYPE_VIDEO, |
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120 | .id = AV_CODEC_ID_WMV3, |
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121 | .pix_fmt = AV_PIX_FMT_VDPAU, |
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122 | .start_frame = vdpau_vc1_start_frame, |
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123 | .end_frame = ff_vdpau_mpeg_end_frame, |
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124 | .decode_slice = vdpau_vc1_decode_slice, |
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125 | .priv_data_size = sizeof(struct vdpau_picture_context), |
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126 | }; |
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127 | #endif |
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128 | |||
129 | AVHWAccel ff_vc1_vdpau_hwaccel = { |
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130 | .name = "vc1_vdpau", |
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131 | .type = AVMEDIA_TYPE_VIDEO, |
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132 | .id = AV_CODEC_ID_VC1, |
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133 | .pix_fmt = AV_PIX_FMT_VDPAU, |
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134 | .start_frame = vdpau_vc1_start_frame, |
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135 | .end_frame = ff_vdpau_mpeg_end_frame, |
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136 | .decode_slice = vdpau_vc1_decode_slice, |
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137 | .priv_data_size = sizeof(struct vdpau_picture_context), |
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138 | };>><> |