#include "libavutil/opt.h"
#include "avcodec.h"
+#include "internal.h"
#include <x264.h>
+#include <float.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
char *tune;
char *profile;
int fastfirstpass;
+ float crf;
+ float crf_max;
+ int cqp;
+ int aq_mode;
+ float aq_strength;
+ char *psy_rd;
+ int psy;
+ int rc_lookahead;
+ int weightp;
+ int weightb;
+ int ssim;
+ int intra_refresh;
+ int b_bias;
+ int b_pyramid;
+ int mixed_refs;
+ int dct8x8;
+ int fast_pskip;
+ int aud;
+ int mbtree;
+ char *deblock;
+ float cplxblur;
+ char *partitions;
} X264Context;
static void X264_log(void *p, int level, const char *fmt, va_list args)
return 0;
}
+#define PARSE_X264_OPT(name, var)\
+ if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
+ av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
+ return AVERROR(EINVAL);\
+ }
+
static av_cold int X264_init(AVCodecContext *avctx)
{
X264Context *x4 = avctx->priv_data;
- x4->sei_size = 0;
x264_param_default(&x4->params);
- x4->params.i_keyint_max = avctx->gop_size;
-
- x4->params.i_bframe = avctx->max_b_frames;
x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
- x4->params.i_bframe_bias = avctx->bframebias;
- x4->params.i_bframe_pyramid = avctx->flags2 & CODEC_FLAG2_BPYRAMID ? X264_B_PYRAMID_NORMAL : X264_B_PYRAMID_NONE;
- avctx->has_b_frames = avctx->flags2 & CODEC_FLAG2_BPYRAMID ? 2 : !!avctx->max_b_frames;
x4->params.i_keyint_min = avctx->keyint_min;
if (x4->params.i_keyint_min > x4->params.i_keyint_max)
x4->params.i_keyint_min = x4->params.i_keyint_max;
- x4->params.i_scenecut_threshold = avctx->scenechange_threshold;
-
x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER;
- x4->params.i_deblocking_filter_alphac0 = avctx->deblockalpha;
- x4->params.i_deblocking_filter_beta = avctx->deblockbeta;
-
- x4->params.rc.i_qp_min = avctx->qmin;
- x4->params.rc.i_qp_max = avctx->qmax;
- x4->params.rc.i_qp_step = avctx->max_qdiff;
-
- x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
- x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
- x4->params.rc.f_complexity_blur = avctx->complexityblur;
-
- x4->params.i_frame_reference = avctx->refs;
-
- x4->params.analyse.inter = 0;
- if (avctx->partitions) {
- if (avctx->partitions & X264_PART_I4X4)
- x4->params.analyse.inter |= X264_ANALYSE_I4x4;
- if (avctx->partitions & X264_PART_I8X8)
- x4->params.analyse.inter |= X264_ANALYSE_I8x8;
- if (avctx->partitions & X264_PART_P8X8)
- x4->params.analyse.inter |= X264_ANALYSE_PSUB16x16;
- if (avctx->partitions & X264_PART_P4X4)
- x4->params.analyse.inter |= X264_ANALYSE_PSUB8x8;
- if (avctx->partitions & X264_PART_B8X8)
- x4->params.analyse.inter |= X264_ANALYSE_BSUB16x16;
- }
x4->params.analyse.i_direct_mv_pred = avctx->directpred;
- x4->params.analyse.b_weighted_bipred = avctx->flags2 & CODEC_FLAG2_WPRED;
- x4->params.analyse.i_weighted_pred = avctx->weighted_p_pred;
-
if (avctx->me_method == ME_EPZS)
x4->params.analyse.i_me_method = X264_ME_DIA;
else if (avctx->me_method == ME_HEX)
x4->params.analyse.i_me_method = X264_ME_TESA;
else x4->params.analyse.i_me_method = X264_ME_HEX;
- x4->params.rc.i_aq_mode = avctx->aq_mode;
- x4->params.rc.f_aq_strength = avctx->aq_strength;
- x4->params.rc.i_lookahead = avctx->rc_lookahead;
-
- x4->params.analyse.b_psy = avctx->flags2 & CODEC_FLAG2_PSY;
- x4->params.analyse.f_psy_rd = avctx->psy_rd;
- x4->params.analyse.f_psy_trellis = avctx->psy_trellis;
-
x4->params.analyse.i_me_range = avctx->me_range;
x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
- x4->params.analyse.b_mixed_references = avctx->flags2 & CODEC_FLAG2_MIXED_REFS;
x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
- x4->params.analyse.b_transform_8x8 = avctx->flags2 & CODEC_FLAG2_8X8DCT;
- x4->params.analyse.b_fast_pskip = avctx->flags2 & CODEC_FLAG2_FASTPSKIP;
x4->params.analyse.i_trellis = avctx->trellis;
x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
x4->params.p_log_private = avctx;
x4->params.i_log_level = X264_LOG_DEBUG;
- x4->params.b_intra_refresh = avctx->flags2 & CODEC_FLAG2_INTRA_REFRESH;
- x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
+ if (avctx->bit_rate) {
+ x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
+ x4->params.rc.i_rc_method = X264_RC_ABR;
+ }
x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
x4->params.rc.b_stat_write = avctx->flags & CODEC_FLAG_PASS1;
if (avctx->flags & CODEC_FLAG_PASS2) {
x4->params.rc.b_stat_read = 1;
} else {
+#if FF_API_X264_GLOBAL_OPTS
if (avctx->crf) {
x4->params.rc.i_rc_method = X264_RC_CRF;
x4->params.rc.f_rf_constant = avctx->crf;
x4->params.rc.i_rc_method = X264_RC_CQP;
x4->params.rc.i_qp_constant = avctx->cqp;
}
- }
+#endif
- // if neither crf nor cqp modes are selected we have to enable the RC
- // we do it this way because we cannot check if the bitrate has been set
- if (!(avctx->crf || (avctx->cqp > -1)))
- x4->params.rc.i_rc_method = X264_RC_ABR;
+ if (x4->crf >= 0) {
+ x4->params.rc.i_rc_method = X264_RC_CRF;
+ x4->params.rc.f_rf_constant = x4->crf;
+ } else if (x4->cqp >= 0) {
+ x4->params.rc.i_rc_method = X264_RC_CQP;
+ x4->params.rc.i_qp_constant = x4->cqp;
+ }
+
+ if (x4->crf_max >= 0)
+ x4->params.rc.f_rf_constant_max = x4->crf_max;
+ }
if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy &&
(avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
(float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
}
- x4->params.rc.b_mb_tree = !!(avctx->flags2 & CODEC_FLAG2_MBTREE);
x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
x4->params.rc.f_pb_factor = avctx->b_quant_factor;
x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
+#if FF_API_X264_GLOBAL_OPTS
+ if (avctx->aq_mode >= 0)
+ x4->params.rc.i_aq_mode = avctx->aq_mode;
+ if (avctx->aq_strength >= 0)
+ x4->params.rc.f_aq_strength = avctx->aq_strength;
+ if (avctx->psy_rd >= 0)
+ x4->params.analyse.f_psy_rd = avctx->psy_rd;
+ if (avctx->psy_trellis >= 0)
+ x4->params.analyse.f_psy_trellis = avctx->psy_trellis;
+ if (avctx->rc_lookahead >= 0)
+ x4->params.rc.i_lookahead = avctx->rc_lookahead;
+ if (avctx->weighted_p_pred >= 0)
+ x4->params.analyse.i_weighted_pred = avctx->weighted_p_pred;
+ if (avctx->bframebias)
+ x4->params.i_bframe_bias = avctx->bframebias;
+ if (avctx->deblockalpha)
+ x4->params.i_deblocking_filter_alphac0 = avctx->deblockalpha;
+ if (avctx->deblockbeta)
+ x4->params.i_deblocking_filter_beta = avctx->deblockbeta;
+ if (avctx->complexityblur >= 0)
+ x4->params.rc.f_complexity_blur = avctx->complexityblur;
+ if (avctx->partitions) {
+ if (avctx->partitions & X264_PART_I4X4)
+ x4->params.analyse.inter |= X264_ANALYSE_I4x4;
+ if (avctx->partitions & X264_PART_I8X8)
+ x4->params.analyse.inter |= X264_ANALYSE_I8x8;
+ if (avctx->partitions & X264_PART_P8X8)
+ x4->params.analyse.inter |= X264_ANALYSE_PSUB16x16;
+ if (avctx->partitions & X264_PART_P4X4)
+ x4->params.analyse.inter |= X264_ANALYSE_PSUB8x8;
+ if (avctx->partitions & X264_PART_B8X8)
+ x4->params.analyse.inter |= X264_ANALYSE_BSUB16x16;
+ }
+ x4->params.analyse.b_ssim = avctx->flags2 & CODEC_FLAG2_SSIM;
+ x4->params.b_intra_refresh = avctx->flags2 & CODEC_FLAG2_INTRA_REFRESH;
+ x4->params.i_bframe_pyramid = avctx->flags2 & CODEC_FLAG2_BPYRAMID ? X264_B_PYRAMID_NORMAL : X264_B_PYRAMID_NONE;
+ x4->params.analyse.b_weighted_bipred = avctx->flags2 & CODEC_FLAG2_WPRED;
+ x4->params.analyse.b_mixed_references = avctx->flags2 & CODEC_FLAG2_MIXED_REFS;
+ x4->params.analyse.b_transform_8x8 = avctx->flags2 & CODEC_FLAG2_8X8DCT;
+ x4->params.analyse.b_fast_pskip = avctx->flags2 & CODEC_FLAG2_FASTPSKIP;
+ x4->params.b_aud = avctx->flags2 & CODEC_FLAG2_AUD;
+ x4->params.analyse.b_psy = avctx->flags2 & CODEC_FLAG2_PSY;
+ x4->params.rc.b_mb_tree = !!(avctx->flags2 & CODEC_FLAG2_MBTREE);
+#endif
+
+ if (avctx->gop_size >= 0)
+ x4->params.i_keyint_max = avctx->gop_size;
+ if (avctx->max_b_frames >= 0)
+ x4->params.i_bframe = avctx->max_b_frames;
+ if (avctx->scenechange_threshold >= 0)
+ x4->params.i_scenecut_threshold = avctx->scenechange_threshold;
+ if (avctx->qmin >= 0)
+ x4->params.rc.i_qp_min = avctx->qmin;
+ if (avctx->qmax >= 0)
+ x4->params.rc.i_qp_max = avctx->qmax;
+ if (avctx->max_qdiff >= 0)
+ x4->params.rc.i_qp_step = avctx->max_qdiff;
+ if (avctx->qblur >= 0)
+ x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
+ if (avctx->qcompress >= 0)
+ x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
+ if (avctx->refs >= 0)
+ x4->params.i_frame_reference = avctx->refs;
+
+ if (x4->aq_mode >= 0)
+ x4->params.rc.i_aq_mode = x4->aq_mode;
+ if (x4->aq_strength >= 0)
+ x4->params.rc.f_aq_strength = x4->aq_strength;
+ PARSE_X264_OPT("psy-rd", psy_rd);
+ PARSE_X264_OPT("deblock", deblock);
+ PARSE_X264_OPT("partitions", partitions);
+ if (x4->psy >= 0)
+ x4->params.analyse.b_psy = x4->psy;
+ if (x4->rc_lookahead >= 0)
+ x4->params.rc.i_lookahead = x4->rc_lookahead;
+ if (x4->weightp >= 0)
+ x4->params.analyse.i_weighted_pred = x4->weightp;
+ if (x4->weightb >= 0)
+ x4->params.analyse.b_weighted_bipred = x4->weightb;
+ if (x4->cplxblur >= 0)
+ x4->params.rc.f_complexity_blur = x4->cplxblur;
+
+ if (x4->ssim >= 0)
+ x4->params.analyse.b_ssim = x4->ssim;
+ if (x4->intra_refresh >= 0)
+ x4->params.b_intra_refresh = x4->intra_refresh;
+ if (x4->b_bias != INT_MIN)
+ x4->params.i_bframe_bias = x4->b_bias;
+ if (x4->b_pyramid >= 0)
+ x4->params.i_bframe_pyramid = x4->b_pyramid;
+ if (x4->mixed_refs >= 0)
+ x4->params.analyse.b_mixed_references = x4->mixed_refs;
+ if (x4->dct8x8 >= 0)
+ x4->params.analyse.b_transform_8x8 = x4->dct8x8;
+ if (x4->fast_pskip >= 0)
+ x4->params.analyse.b_fast_pskip = x4->fast_pskip;
+ if (x4->aud >= 0)
+ x4->params.b_aud = x4->aud;
+ if (x4->mbtree >= 0)
+ x4->params.rc.b_mb_tree = x4->mbtree;
+
if (x4->fastfirstpass)
x264_param_apply_fastfirstpass(&x4->params);
x4->params.i_fps_den = x4->params.i_timebase_num = avctx->time_base.num;
x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
- x4->params.analyse.b_ssim = avctx->flags2 & CODEC_FLAG2_SSIM;
-
- x4->params.b_aud = avctx->flags2 & CODEC_FLAG2_AUD;
x4->params.i_threads = avctx->thread_count;
avctx->has_b_frames = x4->params.i_bframe ?
x4->params.i_bframe_pyramid ? 2 : 1 : 0;
avctx->bit_rate = x4->params.rc.i_bitrate*1000;
+#if FF_API_X264_GLOBAL_OPTS
avctx->crf = x4->params.rc.f_rf_constant;
+#endif
x4->enc = x264_encoder_open(&x4->params);
if (!x4->enc)
#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", OFFSET(preset), FF_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
- { "tune", "Tune the encoding params", OFFSET(tune), FF_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
- { "profile", "Set profile restrictions", OFFSET(profile), FF_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
- { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), FF_OPT_TYPE_INT, { 1 }, 0, 1, VE},
+ { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), FF_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
+ { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), FF_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
+ { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), FF_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
+ { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), FF_OPT_TYPE_INT, { 1 }, 0, 1, VE},
+ { "crf", "Select the quality for constant quality mode", OFFSET(crf), FF_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE },
+ { "crf_max", "In CRF mode, prevents VBV from lowering quality beyond this point.",OFFSET(crf_max), FF_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE },
+ { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE },
+ { "aq-mode", "AQ method", OFFSET(aq_mode), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE, "aq_mode"},
+ { "none", NULL, 0, FF_OPT_TYPE_CONST, {X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
+ { "variance", "Variance AQ (complexity mask)", 0, FF_OPT_TYPE_CONST, {X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
+ { "autovariance", "Auto-variance AQ (experimental)", 0, FF_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), FF_OPT_TYPE_FLOAT, {-1}, -1, FLT_MAX, VE},
+ { "psy", "Use psychovisual optimizations.", OFFSET(psy), FF_OPT_TYPE_INT, {-1 }, -1, 1, VE },
+ { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), FF_OPT_TYPE_STRING, {0 }, 0, 0, VE},
+ { "rc-lookahead", "Number of frames to look ahead for frametype and ratecontrol", OFFSET(rc_lookahead), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE },
+ { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), FF_OPT_TYPE_INT, {-1 }, -1, 1, VE },
+ { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE, "weightp" },
+ { "none", NULL, 0, FF_OPT_TYPE_CONST, {X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
+ { "simple", NULL, 0, FF_OPT_TYPE_CONST, {X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
+ { "smart", NULL, 0, FF_OPT_TYPE_CONST, {X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
+ { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), FF_OPT_TYPE_INT, {-1 }, -1, 1, VE },
+ { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),FF_OPT_TYPE_INT, {-1 }, -1, 1, VE },
+ { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), FF_OPT_TYPE_INT, {INT_MIN}, INT_MIN, INT_MAX, VE },
+ { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE, "b_pyramid" },
+ { "none", NULL, 0, FF_OPT_TYPE_CONST, {X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
+ { "strict", "Strictly hierarchical pyramid", 0, FF_OPT_TYPE_CONST, {X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
+ { "normal", "Non-strict (not Blu-ray compatible)", 0, FF_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), FF_OPT_TYPE_INT, {-1}, -1, 1, VE },
+ { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), FF_OPT_TYPE_INT, {-1 }, -1, 1, VE},
+ { "fast-pskip", NULL, OFFSET(fast_pskip), FF_OPT_TYPE_INT, {-1 }, -1, 1, VE},
+ { "aud", "Use access unit delimiters.", OFFSET(aud), FF_OPT_TYPE_INT, {-1 }, -1, 1, VE},
+ { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), FF_OPT_TYPE_INT, {-1 }, -1, 1, VE},
+ { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), FF_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
+ { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), FF_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), FF_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
{ NULL },
};
.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" },
+ { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
+ { NULL },
+};
+
AVCodec ff_libx264_encoder = {
.name = "libx264",
.type = AVMEDIA_TYPE_VIDEO,
.pix_fmts = (const enum PixelFormat[]) { PIX_FMT_YUV420P, PIX_FMT_YUVJ420P, PIX_FMT_NONE },
.long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
.priv_class = &class,
+ .defaults = x264_defaults,
};
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