]> git.sesse.net Git - x264/blobdiff - x264.c
cosmetics
[x264] / x264.c
diff --git a/x264.c b/x264.c
index 2d261868e26b1e401faf020f2340f1f8baeaa309..fe5057f248283881ad3243b085de9523a433f30a 100644 (file)
--- a/x264.c
+++ b/x264.c
 #endif
 
 #ifdef MP4_OUTPUT
-#include <gpac/m4_author.h>
+#include <gpac/isomedia.h>
 #endif
 
+
 #include "common/common.h"
 #include "x264.h"
+
 #ifndef _MSC_VER
 #include "config.h"
 #endif
 
+#include "matroska.h"
+
 #define DATA_MAX 3000000
 uint8_t data[DATA_MAX];
 
@@ -114,6 +118,12 @@ static int set_eop_mp4( hnd_t handle, x264_picture_t *p_picture );
 static int close_file_mp4( hnd_t handle );
 #endif
 
+static int open_file_mkv( char *psz_filename, hnd_t *p_handle );
+static int set_param_mkv( hnd_t handle, x264_param_t *p_param );
+static int write_nalu_mkv( hnd_t handle, uint8_t *p_nal, int i_size );
+static int set_eop_mkv( hnd_t handle, x264_picture_t *p_picture );
+static int close_file_mkv( hnd_t handle );
+
 static void Help( x264_param_t *defaults );
 static int  Parse( int argc, char **argv, x264_param_t *param, cli_opt_t *opt );
 static int  Encode( x264_param_t *param, cli_opt_t *opt );
@@ -157,6 +167,7 @@ static void Help( x264_param_t *defaults )
              "  or AVI or Avisynth if compiled with AVIS support (%s).\n"
              "Outfile type is selected by filename:\n"
              " .264 -> Raw bytestream\n"
+             " .mkv -> Matroska\n"
              " .mp4 -> MP4 if compiled with GPAC support (%s)\n"
              "\n"
              "Options:\n"
@@ -232,6 +243,19 @@ static void Help( x264_param_t *defaults )
              "      --no-chroma-me          Ignore chroma in motion estimation\n"
              "  -8, --8x8dct                Adaptive spatial transform size\n"
              "\n"
+             "      --cqm <string>          Preset quant matrices [\"flat\"]\n"
+             "                                  - jvt, flat\n"
+             "      --cqmfile <string>      Read quant matrices from a JM-compatible file\n"
+             "                                  Overrides any other --cqm* options.\n"
+             "      --cqm4 <list>           Set all 4x4 quant matrices\n"
+             "                                  Takes a comma-separated list of 16 integers.\n"
+             "      --cqm8 <list>           Set all 8x8 quant matrices\n"
+             "                                  Takes a comma-separated list of 64 integers.\n"
+             "      --cqm4i, --cqm4p, --cqm8i, --cqm8p\n"
+             "                              Set both luma and chroma quant matrices\n"
+             "      --cqm4iy, --cqm4ic, --cqm4py, --cqm4pc\n"
+             "                              Set individual quant matrices\n"
+             "\n"
              "Input/Output:\n"
              "\n"
              "      --level <integer>       Specify level (as defined by Annex A)\n"
@@ -294,6 +318,18 @@ static void Help( x264_param_t *defaults )
            );
 }
 
+static int parse_cqm( const char *str, uint8_t *cqm, int length )
+{
+    int i = 0;
+    do {
+        int coef;
+        if( !sscanf( str, "%d", &coef ) || coef < 1 || coef > 255 )
+            return -1;
+        cqm[i++] = coef;
+    } while( i < length && (str = strchr( str, ',' )) && str++ );
+    return (i == length) ? 0 : -1;
+}
+
 /*****************************************************************************
  * Parse:
  *****************************************************************************/
@@ -324,6 +360,7 @@ static int  Parse( int argc, char **argv,
     opterr = 0; // no error message
     for( ;; )
     {
+        int b_error = 0;
         int long_options_index;
 #define OPT_QPMIN 256
 #define OPT_QPMAX 257
@@ -360,6 +397,18 @@ static int  Parse( int argc, char **argv,
 #define OPT_SEEK 291
 #define OPT_ZONES 292
 #define OPT_THREADS 293
+#define OPT_CQM 294
+#define OPT_CQM4 295
+#define OPT_CQM4I 296
+#define OPT_CQM4IY 297
+#define OPT_CQM4IC 298
+#define OPT_CQM4P 299
+#define OPT_CQM4PY 300
+#define OPT_CQM4PC 301
+#define OPT_CQM8 302
+#define OPT_CQM8I 303
+#define OPT_CQM8P 304
+#define OPT_CQMFILE 305
 
         static struct option long_options[] =
         {
@@ -416,6 +465,18 @@ static int  Parse( int argc, char **argv,
             { "progress",no_argument,       NULL, OPT_PROGRESS },
             { "visualize",no_argument,      NULL, OPT_VISUALIZE },
             { "aud",     no_argument,       NULL, OPT_AUD },
+            { "cqm",     required_argument, NULL, OPT_CQM },
+            { "cqmfile", required_argument, NULL, OPT_CQMFILE },
+            { "cqm4",    required_argument, NULL, OPT_CQM4 },
+            { "cqm4i",   required_argument, NULL, OPT_CQM4I },
+            { "cqm4iy",  required_argument, NULL, OPT_CQM4IY },
+            { "cqm4ic",  required_argument, NULL, OPT_CQM4IC },
+            { "cqm4p",   required_argument, NULL, OPT_CQM4P },
+            { "cqm4py",  required_argument, NULL, OPT_CQM4PY },
+            { "cqm4pc",  required_argument, NULL, OPT_CQM4PC },
+            { "cqm8",    required_argument, NULL, OPT_CQM8 },
+            { "cqm8i",   required_argument, NULL, OPT_CQM8I },
+            { "cqm8p",   required_argument, NULL, OPT_CQM8P },
             {0, 0, 0, 0}
         };
 
@@ -455,9 +516,13 @@ static int  Parse( int argc, char **argv,
                 break;
             case 'i':
                 param->i_keyint_min = atol( optarg );
+                if( param->i_keyint_max < param->i_keyint_min )
+                    param->i_keyint_max = param->i_keyint_min;
                 break;
             case 'I':
                 param->i_keyint_max = atol( optarg );
+                if( param->i_keyint_min > param->i_keyint_max )
+                    param->i_keyint_min = param->i_keyint_max;
                 break;
             case OPT_SCENECUT:
                 param->i_scenecut_threshold = atol( optarg );
@@ -502,7 +567,7 @@ static int  Parse( int argc, char **argv,
             case OPT_SEEK:
                 opt->i_seek = atoi( optarg );
                 break;
-            case'o':
+            case 'o':
                 if( !strncasecmp(optarg + strlen(optarg) - 4, ".mp4", 4) )
                 {
 #ifdef MP4_OUTPUT
@@ -516,6 +581,14 @@ static int  Parse( int argc, char **argv,
                     return -1;
 #endif
                 }
+                else if( !strncasecmp(optarg + strlen(optarg) - 4, ".mkv", 4) )
+                {
+                    p_open_outfile = open_file_mkv;
+                    p_write_nalu = write_nalu_mkv;
+                    p_set_outfile_param = set_param_mkv;
+                    p_set_eop = set_eop_mkv;
+                    p_close_outfile = close_file_mkv;
+                }
                 if( !strcmp(optarg, "-") )
                     opt->hout = stdout;
                 else if( p_open_outfile( optarg, &opt->hout ) )
@@ -603,7 +676,7 @@ static int  Parse( int argc, char **argv,
                 param->i_level_idc = atoi(optarg);
                 break;
             case OPT_RATETOL:
-                param->rc.f_rate_tolerance = atof(optarg);
+                param->rc.f_rate_tolerance = !strncmp("inf", optarg, 3) ? 1e9 : atof(optarg);
                 break;
             case OPT_VBVMAXRATE:
                 param->rc.i_vbv_max_bitrate = atoi( optarg );
@@ -680,10 +753,76 @@ static int  Parse( int argc, char **argv,
                 fprintf( stderr, "not compiled with visualization support\n" );
 #endif
                 break;
+            case OPT_CQM:
+                if( strstr( optarg, "flat" ) )
+                    param->i_cqm_preset = X264_CQM_FLAT;
+                else if( strstr( optarg, "jvt" ) )
+                    param->i_cqm_preset = X264_CQM_JVT;
+                else
+                {
+                    fprintf( stderr, "bad CQM preset `%s'\n", optarg );
+                    return -1;
+                }
+                break;
+            case OPT_CQMFILE:
+                param->psz_cqm_file = optarg;
+                break;
+            case OPT_CQM4:
+                param->i_cqm_preset = X264_CQM_CUSTOM;
+                b_error |= parse_cqm( optarg, param->cqm_4iy, 16 );
+                b_error |= parse_cqm( optarg, param->cqm_4ic, 16 );
+                b_error |= parse_cqm( optarg, param->cqm_4py, 16 );
+                b_error |= parse_cqm( optarg, param->cqm_4pc, 16 );
+                break;
+            case OPT_CQM8:
+                param->i_cqm_preset = X264_CQM_CUSTOM;
+                b_error |= parse_cqm( optarg, param->cqm_8iy, 64 );
+                b_error |= parse_cqm( optarg, param->cqm_8py, 64 );
+                break;
+            case OPT_CQM4I:
+                param->i_cqm_preset = X264_CQM_CUSTOM;
+                b_error |= parse_cqm( optarg, param->cqm_4iy, 16 );
+                b_error |= parse_cqm( optarg, param->cqm_4ic, 16 );
+                break;
+            case OPT_CQM4P:
+                param->i_cqm_preset = X264_CQM_CUSTOM;
+                b_error |= parse_cqm( optarg, param->cqm_4py, 16 );
+                b_error |= parse_cqm( optarg, param->cqm_4pc, 16 );
+                break;
+            case OPT_CQM4IY:
+                param->i_cqm_preset = X264_CQM_CUSTOM;
+                b_error |= parse_cqm( optarg, param->cqm_4iy, 16 );
+                break;
+            case OPT_CQM4IC:
+                param->i_cqm_preset = X264_CQM_CUSTOM;
+                b_error |= parse_cqm( optarg, param->cqm_4ic, 16 );
+                break;
+            case OPT_CQM4PY:
+                param->i_cqm_preset = X264_CQM_CUSTOM;
+                b_error |= parse_cqm( optarg, param->cqm_4iy, 16 );
+                break;
+            case OPT_CQM4PC:
+                param->i_cqm_preset = X264_CQM_CUSTOM;
+                b_error |= parse_cqm( optarg, param->cqm_4ic, 16 );
+                break;
+            case OPT_CQM8I:
+                param->i_cqm_preset = X264_CQM_CUSTOM;
+                b_error |= parse_cqm( optarg, param->cqm_8iy, 64 );
+                break;
+            case OPT_CQM8P:
+                param->i_cqm_preset = X264_CQM_CUSTOM;
+                b_error |= parse_cqm( optarg, param->cqm_8py, 64 );
+                break;
             default:
                 fprintf( stderr, "unknown option (%c)\n", optopt );
                 return -1;
         }
+
+        if( b_error )
+        {
+            fprintf( stderr, "bad argument (%s)\n", optarg );
+            return -1;
+        }
     }
 
     /* Get the file name */
@@ -704,8 +843,8 @@ static int  Parse( int argc, char **argv,
                 if( *psz >= '0' && *psz <= '9'
                     && sscanf( psz, "%ux%u", &param->i_width, &param->i_height ) == 2 )
                 {
-                    if( param->i_log_level > X264_LOG_NONE )
-                        fprintf( stderr, "x264: file name gives %dx%d\n", param->i_width, param->i_height );
+                    if( param->i_log_level >= X264_LOG_INFO )
+                        fprintf( stderr, "x264 [info]: file name gives %dx%d\n", param->i_width, param->i_height );
                     break;
                 }
             }
@@ -989,7 +1128,7 @@ static int  Encode( x264_param_t *param, cli_opt_t *opt )
         if( p_read_frame( &pic, opt->hin, i_frame + opt->i_seek, param->i_width, param->i_height ) )
             break;
 
-        pic.i_pts = i_frame * param->i_fps_den;
+        pic.i_pts = (int64_t)i_frame * param->i_fps_den;
 
         i_file += Encode_frame( h, opt->hout, &pic );
 
@@ -997,13 +1136,19 @@ static int  Encode( x264_param_t *param, cli_opt_t *opt )
 
         /* update status line (up to 1000 times per input file) */
         if( opt->b_progress && param->i_log_level < X264_LOG_DEBUG && 
-            i_frame * 1000 / i_frame_total > i_progress )
+            ( i_frame_total ? i_frame * 1000 / i_frame_total > i_progress
+                            : i_frame % 10 == 0 ) )
         {
             int64_t i_elapsed = x264_mdate() - i_start;
             double fps = i_elapsed > 0 ? i_frame * 1000000. / i_elapsed : 0;
-            i_progress = i_frame * 1000 / i_frame_total;
-            fprintf( stderr, "encoded frames: %d/%d (%.1f%%), %.2f fps   \r", i_frame,
-                     i_frame_total, (float)i_progress / 10, fps );
+            if( i_frame_total )
+            {
+                i_progress = i_frame * 1000 / i_frame_total;
+                fprintf( stderr, "encoded frames: %d/%d (%.1f%%), %.2f fps   \r", i_frame,
+                         i_frame_total, (float)i_progress / 10, fps );
+            }
+            else
+                fprintf( stderr, "encoded frames: %d, %.2f fps   \r", i_frame, fps );
             fflush( stderr ); // needed in windows
         }
     }
@@ -1229,9 +1374,9 @@ static int close_file_bsf( hnd_t handle )
 
 typedef struct
 {
-    M4File *p_file;
-    AVCConfig *p_config;
-    M4Sample *p_sample;
+    GF_ISOFile *p_file;
+    GF_AVCConfig *p_config;
+    GF_ISOSample *p_sample;
     int i_track;
     int i_descidx;
     int i_time_inc;
@@ -1243,24 +1388,24 @@ typedef struct
 } mp4_t;
 
 
-static void recompute_bitrate_mp4(M4File *p_file, int i_track)
+static void recompute_bitrate_mp4(GF_ISOFile *p_file, int i_track)
 {
     u32 i, count, di, timescale, time_wnd, rate;
     u64 offset;
     Double br;
-    ESDescriptor *esd;
+    GF_ESD *esd;
 
-    esd = M4_GetStreamDescriptor(p_file, i_track, 1);
+    esd = gf_isom_get_esd(p_file, i_track, 1);
     if (!esd) return;
 
     esd->decoderConfig->avgBitrate = 0;
     esd->decoderConfig->maxBitrate = 0;
     rate = time_wnd = 0;
 
-    timescale = M4_GetMediaTimeScale(p_file, i_track);
-    count = M4_GetSampleCount(p_file, i_track);
+    timescale = gf_isom_get_media_timescale(p_file, i_track);
+    count = gf_isom_get_sample_count(p_file, i_track);
     for (i=0; i<count; i++) {
-        M4Sample *samp = M4_GetSampleInfo(p_file, i_track, i+1, &di, &offset);
+        GF_ISOSample *samp = gf_isom_get_sample_info(p_file, i_track, i+1, &di, &offset);
 
         if (samp->dataLength>esd->decoderConfig->bufferSizeDB) esd->decoderConfig->bufferSizeDB = samp->dataLength;
 
@@ -1273,18 +1418,18 @@ static void recompute_bitrate_mp4(M4File *p_file, int i_track)
             rate = 0;
         }
 
-        M4_DeleteSample(&samp);
+        gf_isom_sample_del(&samp);
     }
 
-    br = (Double) (s64) M4_GetMediaDuration(p_file, i_track);
+    br = (Double) (s64) gf_isom_get_media_duration(p_file, i_track);
     br /= timescale;
     esd->decoderConfig->avgBitrate = (u32) (esd->decoderConfig->avgBitrate / br);
     /*move to bps*/
     esd->decoderConfig->avgBitrate *= 8;
     esd->decoderConfig->maxBitrate *= 8;
 
-    M4_ChangeStreamDescriptor(p_file, i_track, 1, esd);
-    OD_DeleteDescriptor((Descriptor **)&esd);
+    gf_isom_change_mpeg4_description(p_file, i_track, 1, esd);
+    gf_odf_desc_del((GF_Descriptor *) esd);
 }
 
 
@@ -1296,22 +1441,22 @@ static int close_file_mp4( hnd_t handle )
         return 0;
 
     if (p_mp4->p_config)
-        AVC_DeleteConfig(p_mp4->p_config);
+        gf_odf_avc_cfg_del(p_mp4->p_config);
 
     if (p_mp4->p_sample)
     {
         if (p_mp4->p_sample->data)
             free(p_mp4->p_sample->data);
 
-        M4_DeleteSample(&p_mp4->p_sample);
+        gf_isom_sample_del(&p_mp4->p_sample);
     }
 
     if (p_mp4->p_file)
     {
         recompute_bitrate_mp4(p_mp4->p_file, p_mp4->i_track);
-        M4_SetMoviePLIndication(p_mp4->p_file, M4_PL_VISUAL, 0x15);
-        M4_SetStorageMode(p_mp4->p_file, M4_FLAT);
-        M4_MovieClose(p_mp4->p_file);
+        gf_isom_set_pl_indication(p_mp4->p_file, GF_ISOM_PL_VISUAL, 0x15);
+        gf_isom_set_storage_mode(p_mp4->p_file, GF_ISOM_STORE_FLAT);
+        gf_isom_close(p_mp4->p_file);
     }
 
     free(p_mp4);
@@ -1329,15 +1474,15 @@ static int open_file_mp4( char *psz_filename, hnd_t *p_handle )
         return -1;
 
     memset(p_mp4, 0, sizeof(mp4_t));
-    p_mp4->p_file = M4_MovieOpen(psz_filename, M4_OPEN_WRITE);
+    p_mp4->p_file = gf_isom_open(psz_filename, GF_ISOM_OPEN_WRITE, NULL);
 
-    if ((p_mp4->p_sample = M4_NewSample()) == NULL)
+    if ((p_mp4->p_sample = gf_isom_sample_new()) == NULL)
     {
         close_file_mp4( p_mp4 );
         return -1;
     }
 
-    M4_SetMovieVersionInfo(p_mp4->p_file, H264_AVC_File, 0);
+    gf_isom_set_brand_info(p_mp4->p_file, GF_ISOM_BRAND_AVC1, 0);
 
     *p_handle = p_mp4;
 
@@ -1349,14 +1494,14 @@ static int set_param_mp4( hnd_t handle, x264_param_t *p_param )
 {
     mp4_t *p_mp4 = (mp4_t *)handle;
 
-    p_mp4->i_track = M4_NewTrack(p_mp4->p_file, 0, M4_VisualMediaType
+    p_mp4->i_track = gf_isom_new_track(p_mp4->p_file, 0, GF_ISOM_MEDIA_VISUAL
         p_param->i_fps_num);
 
-    p_mp4->p_config = AVC_NewConfig();
-    M4_AVC_NewStreamConfig(p_mp4->p_file, p_mp4->i_track, p_mp4->p_config, 
+    p_mp4->p_config = gf_odf_avc_cfg_new();
+    gf_isom_avc_config_new(p_mp4->p_file, p_mp4->i_track, p_mp4->p_config, 
         NULL, NULL, &p_mp4->i_descidx);
 
-    M4_SetVisualEntrySize(p_mp4->p_file, p_mp4->i_track, p_mp4->i_descidx, 
+    gf_isom_set_visual_info(p_mp4->p_file, p_mp4->i_track, p_mp4->i_descidx, 
         p_param->i_width, p_param->i_height);
 
     p_mp4->p_sample->data = (char *)malloc(p_param->i_width * p_param->i_height * 3 / 2);
@@ -1377,7 +1522,7 @@ static int set_param_mp4( hnd_t handle, x264_param_t *p_param )
 static int write_nalu_mp4( hnd_t handle, uint8_t *p_nalu, int i_size )
 {
     mp4_t *p_mp4 = (mp4_t *)handle;
-    AVCConfigSlot *p_slot;
+    GF_AVCConfigSlot *p_slot;
     uint8_t type = p_nalu[4] & 0x1f;
     int psize;
 
@@ -1391,11 +1536,11 @@ static int write_nalu_mp4( hnd_t handle, uint8_t *p_nalu, int i_size )
             p_mp4->p_config->AVCProfileIndication = p_nalu[5];
             p_mp4->p_config->profile_compatibility = p_nalu[6];
             p_mp4->p_config->AVCLevelIndication = p_nalu[7];
-            p_slot = (AVCConfigSlot *)malloc(sizeof(AVCConfigSlot));
+            p_slot = (GF_AVCConfigSlot *)malloc(sizeof(GF_AVCConfigSlot));
             p_slot->size = i_size - 4;
             p_slot->data = (char *)malloc(p_slot->size);
             memcpy(p_slot->data, p_nalu + 4, i_size - 4);
-            ChainAddEntry(p_mp4->p_config->sequenceParameterSets, p_slot);
+            gf_list_add(p_mp4->p_config->sequenceParameterSets, p_slot);
             p_slot = NULL;
             p_mp4->b_sps = 1;
         }
@@ -1405,15 +1550,15 @@ static int write_nalu_mp4( hnd_t handle, uint8_t *p_nalu, int i_size )
     case 0x08:
         if (!p_mp4->b_pps)
         {
-            p_slot = (AVCConfigSlot *)malloc(sizeof(AVCConfigSlot));
+            p_slot = (GF_AVCConfigSlot *)malloc(sizeof(GF_AVCConfigSlot));
             p_slot->size = i_size - 4;
             p_slot->data = (char *)malloc(p_slot->size);
             memcpy(p_slot->data, p_nalu + 4, i_size - 4);
-            ChainAddEntry(p_mp4->p_config->pictureParameterSets, p_slot);
+            gf_list_add(p_mp4->p_config->pictureParameterSets, p_slot);
             p_slot = NULL;
             p_mp4->b_pps = 1;
             if (p_mp4->b_sps)
-                M4_AVC_UpdateStreamConfig(p_mp4->p_file, p_mp4->i_track, 1, p_mp4->p_config);
+                gf_isom_avc_config_update(p_mp4->p_file, p_mp4->i_track, 1, p_mp4->p_config);
         }
         break;
 
@@ -1444,7 +1589,7 @@ static int set_eop_mp4( hnd_t handle, x264_picture_t *p_picture )
     p_mp4->p_sample->IsRAP = p_picture->i_type == X264_TYPE_IDR ? 1 : 0;
     p_mp4->p_sample->DTS = dts;
     p_mp4->p_sample->CTS_Offset = offset;
-    M4_AddSample(p_mp4->p_file, p_mp4->i_track, p_mp4->i_descidx, p_mp4->p_sample);
+    gf_isom_add_sample(p_mp4->p_file, p_mp4->i_track, p_mp4->i_descidx, p_mp4->p_sample);
 
     p_mp4->p_sample->dataLength = 0;
     p_mp4->i_numframe++;
@@ -1453,3 +1598,237 @@ static int set_eop_mp4( hnd_t handle, x264_picture_t *p_picture )
 }
 
 #endif
+
+
+/* -- mkv muxing support ------------------------------------------------- */
+typedef struct
+{
+    mk_Writer *w;
+
+    uint8_t   *sps, *pps;
+    int       sps_len, pps_len;
+
+    int       width, height, d_width, d_height;
+
+    int64_t   frame_duration;
+    int       fps_num;
+
+    int       b_header_written;
+    char      b_writing_frame;
+} mkv_t;
+
+static int write_header_mkv( mkv_t *p_mkv )
+{
+    int       ret;
+    uint8_t   *avcC;
+    int  avcC_len;
+
+    if( p_mkv->sps == NULL || p_mkv->pps == NULL ||
+        p_mkv->width == 0 || p_mkv->height == 0 ||
+        p_mkv->d_width == 0 || p_mkv->d_height == 0)
+        return -1;
+
+    avcC_len = 5 + 1 + 2 + p_mkv->sps_len + 1 + 2 + p_mkv->pps_len;
+    avcC = malloc(avcC_len);
+    if (avcC == NULL)
+        return -1;
+
+    avcC[0] = 1;
+    avcC[1] = p_mkv->sps[1];
+    avcC[2] = p_mkv->sps[2];
+    avcC[3] = p_mkv->sps[3];
+    avcC[4] = 0xfe; // nalu size length is three bytes
+    avcC[5] = 0xe1; // one sps
+
+    avcC[6] = p_mkv->sps_len >> 8;
+    avcC[7] = p_mkv->sps_len;
+
+    memcpy(avcC+8, p_mkv->sps, p_mkv->sps_len);
+
+    avcC[8+p_mkv->sps_len] = 1; // one pps
+    avcC[9+p_mkv->sps_len] = p_mkv->pps_len >> 8;
+    avcC[10+p_mkv->sps_len] = p_mkv->pps_len;
+
+    memcpy( avcC+11+p_mkv->sps_len, p_mkv->pps, p_mkv->pps_len );
+
+    ret = mk_writeHeader( p_mkv->w, "x264", "V_MPEG4/ISO/AVC",
+                          avcC, avcC_len, p_mkv->frame_duration, 50000,
+                          p_mkv->width, p_mkv->height,
+                          p_mkv->d_width, p_mkv->d_height );
+
+    free( avcC );
+
+    p_mkv->b_header_written = 1;
+
+    return ret;
+}
+
+static int open_file_mkv( char *psz_filename, hnd_t *p_handle )
+{
+    mkv_t *p_mkv;
+
+    *p_handle = NULL;
+
+    p_mkv  = malloc(sizeof(*p_mkv));
+    if (p_mkv == NULL)
+        return -1;
+
+    memset(p_mkv, 0, sizeof(*p_mkv));
+
+    p_mkv->w = mk_createWriter(psz_filename);
+    if (p_mkv->w == NULL)
+    {
+        free(p_mkv);
+        return -1;
+    }
+
+    *p_handle = p_mkv;
+
+    return 0;
+}
+
+static int set_param_mkv( hnd_t handle, x264_param_t *p_param )
+{
+    mkv_t   *p_mkv = handle;
+    int64_t dw, dh;
+
+    if( p_param->i_fps_num > 0 )
+    {
+        p_mkv->frame_duration = (int64_t)p_param->i_fps_den *
+                                (int64_t)1000000000 / p_param->i_fps_num;
+        p_mkv->fps_num = p_param->i_fps_num;
+    }
+    else
+    {
+        p_mkv->frame_duration = 0;
+        p_mkv->fps_num = 1;
+    }
+
+    p_mkv->width = p_param->i_width;
+    p_mkv->height = p_param->i_height;
+
+    if( p_param->vui.i_sar_width && p_param->vui.i_sar_height )
+    {
+        dw = (int64_t)p_param->i_width  * p_param->vui.i_sar_width;
+        dh = (int64_t)p_param->i_height * p_param->vui.i_sar_height;
+    }
+    else
+    {
+        dw = p_param->i_width;
+        dh = p_param->i_height;
+    }
+
+    if( dw > 0 && dh > 0 )
+    {
+        int64_t a = dw, b = dh;
+
+        for (;;)
+        {
+            int64_t c = a % b;
+            if( c == 0 )
+              break;
+            a = b;
+            b = c;
+        }
+
+        dw /= b;
+        dh /= b;
+    }
+
+    p_mkv->d_width = (int)dw;
+    p_mkv->d_height = (int)dh;
+
+    return 0;
+}
+
+static int write_nalu_mkv( hnd_t handle, uint8_t *p_nalu, int i_size )
+{
+    mkv_t *p_mkv = handle;
+    uint8_t type = p_nalu[4] & 0x1f;
+    uint8_t dsize[3];
+    int psize;
+
+    switch( type )
+    {
+    // sps
+    case 0x07:
+        if( !p_mkv->sps )
+        {
+            p_mkv->sps = malloc(i_size - 4);
+            if (p_mkv->sps == NULL)
+                return -1;
+            p_mkv->sps_len = i_size - 4;
+            memcpy(p_mkv->sps, p_nalu + 4, i_size - 4);
+        }
+        break;
+
+    // pps
+    case 0x08:
+        if( !p_mkv->pps )
+        {
+            p_mkv->pps = malloc(i_size - 4);
+            if (p_mkv->pps == NULL)
+                return -1;
+            p_mkv->pps_len = i_size - 4;
+            memcpy(p_mkv->pps, p_nalu + 4, i_size - 4);
+        }
+        break;
+
+    // slice, sei
+    case 0x1:
+    case 0x5:
+    case 0x6:
+        if( !p_mkv->b_writing_frame )
+        {
+            if( mk_startFrame(p_mkv->w) < 0 )
+                return -1;
+            p_mkv->b_writing_frame = 1;
+        }
+        psize = i_size - 4 ;
+        dsize[0] = psize >> 16;
+        dsize[1] = psize >> 8;
+        dsize[2] = psize;
+        if( mk_addFrameData(p_mkv->w, dsize, 3) < 0 ||
+            mk_addFrameData(p_mkv->w, p_nalu + 4, i_size - 4) < 0 )
+            return -1;
+        break;
+
+    default:
+        break;
+    }
+
+    if( !p_mkv->b_header_written && p_mkv->pps && p_mkv->sps &&
+        write_header_mkv(p_mkv) < 0 )
+        return -1;
+
+    return i_size;
+}
+
+static int set_eop_mkv( hnd_t handle, x264_picture_t *p_picture )
+{
+    mkv_t *p_mkv = handle;
+    int64_t i_stamp = (int64_t)(p_picture->i_pts * 1e9 / p_mkv->fps_num);
+
+    p_mkv->b_writing_frame = 0;
+
+    return mk_setFrameFlags( p_mkv->w, i_stamp,
+                             p_picture->i_type == X264_TYPE_IDR );
+}
+
+static int close_file_mkv( hnd_t handle )
+{
+    mkv_t *p_mkv = handle;
+    int   ret;
+
+    if( p_mkv->sps )
+        free( p_mkv->sps );
+    if( p_mkv->pps )
+        free( p_mkv->pps );
+
+    ret = mk_close(p_mkv->w);
+
+    free( p_mkv );
+
+    return ret;
+}
+