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Enable more libx264 options, aq, psy, rc lookahead and ssim

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Originally committed as revision 22670 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2010-03-25 19:25:21 +00:00
parent 4896dd57fa
commit f3b3b4895a
3 changed files with 67 additions and 3 deletions
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46
libavcodec/avcodec.h
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@ -30,7 +30,7 @@
#include "libavutil/avutil.h"
#define LIBAVCODEC_VERSION_MAJOR 52
#define LIBAVCODEC_VERSION_MINOR 60
#define LIBAVCODEC_VERSION_MINOR 61
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
@ -592,6 +592,8 @@ typedef struct RcOverride{
#define CODEC_FLAG2_NON_LINEAR_QUANT 0x00010000 ///< Use MPEG-2 nonlinear quantizer.
#define CODEC_FLAG2_BIT_RESERVOIR 0x00020000 ///< Use a bit reservoir when encoding if possible
#define CODEC_FLAG2_MBTREE 0x00040000 ///< Use macroblock tree ratecontrol (x264 only)
#define CODEC_FLAG2_PSY 0x00080000 ///< Use psycho visual optimizations.
#define CODEC_FLAG2_SSIM 0x00100000 ///< Compute SSIM during encoding, error[] values are undefined.
/* Unsupported options :
* Syntax Arithmetic coding (SAC)
@ -2598,6 +2600,48 @@ typedef struct AVCodecContext {
* - decoding: unused
*/
int weighted_p_pred;
/**
* AQ mode
* 0: Disabled
* 1: Variance AQ (complexity mask)
* 2: Auto-variance AQ (experimental)
* - encoding: Set by user
* - decoding: unused
*/
int aq_mode;
/**
* AQ strength
* Reduces blocking and blurring in flat and textured areas.
* - encoding: Set by user
* - decoding: unused
*/
float aq_strength;
/**
* PSY RD
* Strength of psychovisual optimization
* - encoding: Set by user
* - decoding: unused
*/
float psy_rd;
/**
* PSY trellis
* Strength of psychovisual optimization
* - encoding: Set by user
* - decoding: unused
*/
float psy_trellis;
/**
* RC lookahead
* Number of frames for frametype and ratecontrol lookahead
* - encoding: Set by user
* - decoding: unused
*/
int rc_lookahead;
} AVCodecContext;
/**

15
libavcodec/libx264.c
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@ -242,6 +242,14 @@ static av_cold int X264_init(AVCodecContext *avctx)
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;
@ -272,6 +280,7 @@ static av_cold int X264_init(AVCodecContext *avctx)
x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
x4->params.analyse.b_ssim = avctx->flags & CODEC_FLAG2_SSIM;
x4->params.i_log_level = X264_LOG_DEBUG;
x4->params.b_aud = avctx->flags2 & CODEC_FLAG2_AUD;
@ -291,10 +300,14 @@ static av_cold int X264_init(AVCodecContext *avctx)
if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
x264_nal_t *nal;
int nnal, s;
int nnal, s, i;
s = x264_encoder_headers(x4->enc, &nal, &nnal);
for (i = 0; i < nnal; i++)
if (nal[i].i_type == NAL_SEI)
av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
avctx->extradata = av_malloc(s);
avctx->extradata_size = encode_nals(avctx, avctx->extradata, s, nal, nnal, 1);
}

9
libavcodec/options.c
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@ -307,7 +307,7 @@ static const AVOption options[]={
{"nr", "noise reduction", OFFSET(noise_reduction), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
{"rc_init_occupancy", "number of bits which should be loaded into the rc buffer before decoding starts", OFFSET(rc_initial_buffer_occupancy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
{"inter_threshold", NULL, OFFSET(inter_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
{"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_FLAGS, CODEC_FLAG2_FASTPSKIP|CODEC_FLAG2_BIT_RESERVOIR, 0, UINT_MAX, V|A|E|D, "flags2"},
{"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_FLAGS, CODEC_FLAG2_FASTPSKIP|CODEC_FLAG2_BIT_RESERVOIR|CODEC_FLAG2_PSY, 0, UINT_MAX, V|A|E|D, "flags2"},
{"error", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
{"antialias", "MP3 antialias algorithm", OFFSET(antialias_algo), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D, "aa"},
{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_AUTO, INT_MIN, INT_MAX, V|D, "aa"},
@ -404,6 +404,13 @@ static const AVOption options[]={
{"colorspace", NULL, OFFSET(colorspace), FF_OPT_TYPE_INT, AVCOL_SPC_UNSPECIFIED, 1, AVCOL_SPC_NB-1, V|E|D},
{"color_range", NULL, OFFSET(color_range), FF_OPT_TYPE_INT, AVCOL_RANGE_UNSPECIFIED, 0, AVCOL_RANGE_NB-1, V|E|D},
{"chroma_sample_location", NULL, OFFSET(chroma_sample_location), FF_OPT_TYPE_INT, AVCHROMA_LOC_UNSPECIFIED, 0, AVCHROMA_LOC_NB-1, V|E|D},
{"psy", "use psycho visual optimization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_PSY, INT_MIN, INT_MAX, V|E, "flags2"},
{"psy_rd", "specify psycho visual strength", OFFSET(psy_rd), FF_OPT_TYPE_FLOAT, 1.0, 0, FLT_MAX, V|E},
{"psy_trellis", "specify psycho visual trellis", OFFSET(psy_trellis), FF_OPT_TYPE_FLOAT, 0, 0, FLT_MAX, V|E},
{"aq_mode", "specify aq method", OFFSET(aq_mode), FF_OPT_TYPE_INT, 1, 0, INT_MAX, V|E},
{"aq_strength", "specify aq strength", OFFSET(aq_strength), FF_OPT_TYPE_FLOAT, 1.0, 0, FLT_MAX, V|E},
{"rc_lookahead", "specify number of frames to look ahead for frametype", OFFSET(rc_lookahead), FF_OPT_TYPE_INT, 40, 0, INT_MAX, V|E},
{"ssim", "ssim will be calculated during encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_SSIM, INT_MIN, INT_MAX, V|E, "flags2"},
{NULL},
};