+static const enum PixelFormat pix_fmts_8bit[] = {
+ PIX_FMT_YUV420P,
+ PIX_FMT_YUVJ420P,
+ PIX_FMT_YUV422P,
+ PIX_FMT_YUV444P,
+ PIX_FMT_NONE
+};
+static const enum PixelFormat pix_fmts_9bit[] = {
+ PIX_FMT_YUV420P9,
+ PIX_FMT_YUV444P9,
+ PIX_FMT_NONE
+};
+static const enum PixelFormat pix_fmts_10bit[] = {
+ PIX_FMT_YUV420P10,
+ PIX_FMT_YUV422P10,
+ PIX_FMT_YUV444P10,
+ PIX_FMT_NONE
+};
+
+static av_cold void X264_init_static(AVCodec *codec)
+{
+ if (x264_bit_depth == 8)
+ codec->pix_fmts = pix_fmts_8bit;
+ else if (x264_bit_depth == 9)
+ codec->pix_fmts = pix_fmts_9bit;
+ else if (x264_bit_depth == 10)
+ codec->pix_fmts = pix_fmts_10bit;
+}
+
+#define OFFSET(x) offsetof(X264Context, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
+ { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
+ { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
+ { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_INT, { 1 }, 0, 1, VE},
+ { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE },
+ { "crf_max", "In CRF mode, prevents VBV from lowering quality beyond this point.",OFFSET(crf_max), AV_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE },
+ { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE },
+ { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE, "aq_mode"},
+ { "none", NULL, 0, AV_OPT_TYPE_CONST, {X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
+ { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
+ { "autovariance", "Auto-variance AQ (experimental)", 0, AV_OPT_TYPE_CONST, {X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
+ { "aq-strength", "AQ strength. Reduces blocking and blurring in flat and textured areas.", OFFSET(aq_strength), AV_OPT_TYPE_FLOAT, {-1}, -1, FLT_MAX, VE},
+ { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_INT, {-1 }, -1, 1, VE },
+ { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
+ { "rc-lookahead", "Number of frames to look ahead for frametype and ratecontrol", OFFSET(rc_lookahead), AV_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE },
+ { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_INT, {-1 }, -1, 1, VE },
+ { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE, "weightp" },
+ { "none", NULL, 0, AV_OPT_TYPE_CONST, {X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
+ { "simple", NULL, 0, AV_OPT_TYPE_CONST, {X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
+ { "smart", NULL, 0, AV_OPT_TYPE_CONST, {X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
+ { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_INT, {-1 }, -1, 1, VE },
+ { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_INT, {-1 }, -1, 1, VE },
+ { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, {INT_MIN}, INT_MIN, INT_MAX, VE },
+ { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE, "b_pyramid" },
+ { "none", NULL, 0, AV_OPT_TYPE_CONST, {X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
+ { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
+ { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
+ { "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_INT, {-1}, -1, 1, VE },
+ { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_INT, {-1 }, -1, 1, VE},
+ { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_INT, {-1 }, -1, 1, VE},
+ { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_INT, {-1 }, -1, 1, VE},
+ { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_INT, {-1 }, -1, 1, VE},
+ { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
+ { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE},
+ { "partitions", "A comma-separated list of partitions to consider. "
+ "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
+ { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE, "direct-pred" },
+ { "none", NULL, 0, AV_OPT_TYPE_CONST, { X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
+ { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
+ { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
+ { "auto", NULL, 0, AV_OPT_TYPE_CONST, { X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
+ { "slice-max-size","Limit the size of each slice in bytes", OFFSET(slice_max_size),AV_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE },
+ { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
+ { NULL },
+};
+
+static const AVClass class = {
+ .class_name = "libx264",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVCodecDefault x264_defaults[] = {
+ { "b", "0" },
+ { "bf", "-1" },
+ { "g", "-1" },
+ { "qmin", "-1" },
+ { "qmax", "-1" },
+ { "qdiff", "-1" },
+ { "qblur", "-1" },
+ { "qcomp", "-1" },
+ { "refs", "-1" },
+ { "sc_threshold", "-1" },
+ { "trellis", "-1" },
+ { "nr", "-1" },
+ { "me_range", "-1" },
+ { "me_method", "-1" },
+ { "subq", "-1" },
+ { "b_strategy", "-1" },
+ { "keyint_min", "-1" },
+ { "coder", "-1" },
+ { "cmp", "-1" },
+ { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
+ { "thread_type", "0" },
+ { NULL },
+};
+
+AVCodec ff_libx264_encoder = {
+ .name = "libx264",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_H264,
+ .priv_data_size = sizeof(X264Context),
+ .init = X264_init,
+ .encode2 = X264_frame,
+ .close = X264_close,
+ .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
+ .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
+ .priv_class = &class,
+ .defaults = x264_defaults,
+ .init_static_data = X264_init_static,