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

Originally committed as revision 22670 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/avcodec.h

@@ -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;
 
 /**

libavcodec/libx264.c

@@ -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);
     }

libavcodec/options.c

@@ -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},
 };