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6147 | serge | 1 | /* |
2 | * Intel MediaSDK QSV based H.264 enccoder |
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3 | * |
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4 | * copyright (c) 2013 Yukinori Yamazoe |
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5 | * |
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6 | * This file is part of FFmpeg. |
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7 | * |
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8 | * FFmpeg is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU Lesser General Public |
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10 | * License as published by the Free Software Foundation; either |
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11 | * version 2.1 of the License, or (at your option) any later version. |
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12 | * |
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13 | * FFmpeg is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | * Lesser General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU Lesser General Public |
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19 | * License along with FFmpeg; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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21 | */ |
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22 | |||
23 | |||
24 | #include |
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25 | #include |
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26 | |||
27 | #include |
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28 | |||
29 | #include "libavutil/opt.h" |
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30 | |||
31 | #include "avcodec.h" |
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32 | #include "internal.h" |
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33 | #include "h264.h" |
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34 | #include "qsv.h" |
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35 | #include "qsv_internal.h" |
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36 | #include "qsvenc.h" |
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37 | |||
38 | typedef struct QSVH264EncContext { |
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39 | AVClass *class; |
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40 | QSVEncContext qsv; |
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41 | } QSVH264EncContext; |
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42 | |||
43 | static av_cold int qsv_enc_init(AVCodecContext *avctx) |
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44 | { |
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45 | QSVH264EncContext *q = avctx->priv_data; |
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46 | |||
47 | return ff_qsv_enc_init(avctx, &q->qsv); |
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48 | } |
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49 | |||
50 | static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, |
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51 | const AVFrame *frame, int *got_packet) |
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52 | { |
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53 | QSVH264EncContext *q = avctx->priv_data; |
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54 | |||
55 | return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet); |
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56 | } |
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57 | |||
58 | static av_cold int qsv_enc_close(AVCodecContext *avctx) |
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59 | { |
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60 | QSVH264EncContext *q = avctx->priv_data; |
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61 | |||
62 | return ff_qsv_enc_close(avctx, &q->qsv); |
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63 | } |
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64 | |||
65 | #define OFFSET(x) offsetof(QSVH264EncContext, x) |
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66 | #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
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67 | static const AVOption options[] = { |
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68 | { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VE }, |
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69 | { "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, |
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70 | { "avbr_accuracy", "Accuracy of the AVBR ratecontrol", OFFSET(qsv.avbr_accuracy), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, |
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71 | { "avbr_convergence", "Convergence of the AVBR ratecontrol", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, |
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72 | { "pic_timing_sei", "Insert picture timing SEI with pic_struct_syntax element", OFFSET(qsv.pic_timing_sei), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE }, |
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73 | |||
74 | #if QSV_VERSION_ATLEAST(1,7) |
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75 | { "look_ahead", "Use VBR algorithm with look ahead", OFFSET(qsv.look_ahead), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE }, |
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76 | { "look_ahead_depth", "Depth of look ahead in number frames", OFFSET(qsv.look_ahead_depth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, VE }, |
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77 | #endif |
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78 | |||
79 | #if QSV_VERSION_ATLEAST(1,8) |
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80 | { "look_ahead_downsampling", NULL, OFFSET(qsv.look_ahead_downsampling), AV_OPT_TYPE_INT, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, MFX_LOOKAHEAD_DS_UNKNOWN, MFX_LOOKAHEAD_DS_2x, VE, "look_ahead_downsampling" }, |
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81 | { "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" }, |
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82 | { "off" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_OFF }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" }, |
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83 | { "2x" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_2x }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" }, |
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84 | #endif |
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85 | |||
86 | { "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" }, |
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87 | { "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, "profile" }, |
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88 | { "baseline", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_BASELINE }, INT_MIN, INT_MAX, VE, "profile" }, |
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89 | { "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_MAIN }, INT_MIN, INT_MAX, VE, "profile" }, |
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90 | { "high" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_HIGH }, INT_MIN, INT_MAX, VE, "profile" }, |
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91 | |||
92 | { "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, MFX_TARGETUSAGE_BEST_QUALITY, MFX_TARGETUSAGE_BEST_SPEED, VE, "preset" }, |
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93 | { "veryfast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED }, INT_MIN, INT_MAX, VE, "preset" }, |
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94 | { "faster", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_6 }, INT_MIN, INT_MAX, VE, "preset" }, |
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95 | { "fast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_5 }, INT_MIN, INT_MAX, VE, "preset" }, |
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96 | { "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED }, INT_MIN, INT_MAX, VE, "preset" }, |
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97 | { "slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_3 }, INT_MIN, INT_MAX, VE, "preset" }, |
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98 | { "slower", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_2 }, INT_MIN, INT_MAX, VE, "preset" }, |
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99 | { "veryslow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY }, INT_MIN, INT_MAX, VE, "preset" }, |
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100 | |||
101 | { NULL }, |
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102 | }; |
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103 | |||
104 | static const AVClass class = { |
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105 | .class_name = "h264_qsv encoder", |
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106 | .item_name = av_default_item_name, |
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107 | .option = options, |
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108 | .version = LIBAVUTIL_VERSION_INT, |
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109 | }; |
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110 | |||
111 | static const AVCodecDefault qsv_enc_defaults[] = { |
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112 | { "b", "1M" }, |
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113 | { "refs", "0" }, |
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114 | // same as the x264 default |
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115 | { "g", "250" }, |
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116 | { "bf", "3" }, |
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117 | { "coder", "ac" }, |
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118 | |||
119 | { "flags", "+cgop" }, |
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120 | { NULL }, |
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121 | }; |
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122 | |||
123 | AVCodec ff_h264_qsv_encoder = { |
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124 | .name = "h264_qsv", |
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125 | .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"), |
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126 | .priv_data_size = sizeof(QSVH264EncContext), |
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127 | .type = AVMEDIA_TYPE_VIDEO, |
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128 | .id = AV_CODEC_ID_H264, |
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129 | .init = qsv_enc_init, |
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130 | .encode2 = qsv_enc_frame, |
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131 | .close = qsv_enc_close, |
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132 | .capabilities = AV_CODEC_CAP_DELAY, |
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133 | .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, |
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134 | AV_PIX_FMT_QSV, |
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135 | AV_PIX_FMT_NONE }, |
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136 | .priv_class = &class, |
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137 | .defaults = qsv_enc_defaults, |
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138 | }; |