1 /*****************************************************************************
2 * ffms.c: ffmpegsource input
3 *****************************************************************************
4 * Copyright (C) 2009-2016 x264 project
6 * Authors: Mike Gurlitz <mike.gurlitz@gmail.com>
7 * Steven Walters <kemuri9@gmail.com>
8 * Henrik Gramner <henrik@gramner.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
24 * This program is also available under a commercial proprietary license.
25 * For more information, contact us at licensing@x264.com.
26 *****************************************************************************/
30 #define FAIL_IF_ERROR( cond, ... ) FAIL_IF_ERR( cond, "ffms", __VA_ARGS__ )
32 #undef DECLARE_ALIGNED
33 #include <libavcodec/avcodec.h>
34 #include <libswscale/swscale.h>
40 #define PROGRESS_LENGTH 36
44 FFMS_VideoSource *video_source;
52 static int FFMS_CC update_progress( int64_t current, int64_t total, void *private )
54 int64_t *update_time = private;
55 int64_t oldtime = *update_time;
56 int64_t newtime = x264_mdate();
57 if( oldtime && newtime - oldtime < UPDATE_INTERVAL )
59 *update_time = newtime;
61 char buf[PROGRESS_LENGTH+5+1];
62 snprintf( buf, sizeof(buf), "ffms [info]: indexing input file [%.1f%%]", 100.0 * current / total );
63 fprintf( stderr, "%-*s\r", PROGRESS_LENGTH, buf+5 );
64 x264_cli_set_console_title( buf );
69 /* handle the deprecated jpeg pixel formats */
70 static int handle_jpeg( int csp, int *fullrange )
74 case AV_PIX_FMT_YUVJ420P: *fullrange = 1; return AV_PIX_FMT_YUV420P;
75 case AV_PIX_FMT_YUVJ422P: *fullrange = 1; return AV_PIX_FMT_YUV422P;
76 case AV_PIX_FMT_YUVJ444P: *fullrange = 1; return AV_PIX_FMT_YUV444P;
81 static int open_file( char *psz_filename, hnd_t *p_handle, video_info_t *info, cli_input_opt_t *opt )
83 ffms_hnd_t *h = calloc( 1, sizeof(ffms_hnd_t) );
90 int seekmode = opt->seek ? FFMS_SEEK_NORMAL : FFMS_SEEK_LINEAR_NO_RW;
92 FFMS_Index *idx = NULL;
95 x264_struct_stat index_s, input_s;
96 if( !x264_stat( opt->index_file, &index_s ) && !x264_stat( psz_filename, &input_s ) && input_s.st_mtime < index_s.st_mtime )
98 idx = FFMS_ReadIndex( opt->index_file, &e );
99 if( idx && FFMS_IndexBelongsToFile( idx, psz_filename, &e ) )
101 FFMS_DestroyIndex( idx );
108 FFMS_Indexer *indexer = FFMS_CreateIndexer( psz_filename, &e );
109 FAIL_IF_ERROR( !indexer, "could not create indexer\n" )
112 FFMS_SetProgressCallback( indexer, update_progress, &h->time );
114 idx = FFMS_DoIndexing2( indexer, FFMS_IEH_ABORT, &e );
115 fprintf( stderr, "%*c", PROGRESS_LENGTH+1, '\r' );
116 FAIL_IF_ERROR( !idx, "could not create index\n" )
118 if( opt->index_file && FFMS_WriteIndex( opt->index_file, idx, &e ) )
119 x264_cli_log( "ffms", X264_LOG_WARNING, "could not write index file\n" );
122 int trackno = FFMS_GetFirstTrackOfType( idx, FFMS_TYPE_VIDEO, &e );
124 h->video_source = FFMS_CreateVideoSource( psz_filename, trackno, idx, 1, seekmode, &e );
125 FFMS_DestroyIndex( idx );
127 FAIL_IF_ERROR( trackno < 0, "could not find video track\n" )
128 FAIL_IF_ERROR( !h->video_source, "could not create video source\n" )
130 const FFMS_VideoProperties *videop = FFMS_GetVideoProperties( h->video_source );
131 info->num_frames = h->num_frames = videop->NumFrames;
132 info->sar_height = videop->SARDen;
133 info->sar_width = videop->SARNum;
134 info->fps_den = videop->FPSDenominator;
135 info->fps_num = videop->FPSNumerator;
136 h->vfr_input = info->vfr;
137 /* ffms is thread unsafe as it uses a single frame buffer for all frame requests */
138 info->thread_safe = 0;
140 const FFMS_Frame *frame = FFMS_GetFrame( h->video_source, 0, &e );
141 FAIL_IF_ERROR( !frame, "could not read frame 0\n" )
144 info->width = frame->EncodedWidth;
145 info->height = frame->EncodedHeight;
146 info->csp = handle_jpeg( frame->EncodedPixelFormat, &info->fullrange ) | X264_CSP_OTHER;
147 info->interlaced = frame->InterlacedFrame;
148 info->tff = frame->TopFieldFirst;
149 info->fullrange |= frame->ColorRange == FFMS_CR_JPEG;
151 /* ffms timestamps are in milliseconds. ffms also uses int64_ts for timebase,
152 * so we need to reduce large timebases to prevent overflow */
155 h->track = FFMS_GetTrackFromVideo( h->video_source );
156 const FFMS_TrackTimeBase *timebase = FFMS_GetTimeBase( h->track );
157 int64_t timebase_num = timebase->Num;
158 int64_t timebase_den = timebase->Den * 1000;
161 while( timebase_num > UINT32_MAX || timebase_den > INT32_MAX )
167 info->timebase_num = timebase_num;
168 info->timebase_den = timebase_den;
175 static int picture_alloc( cli_pic_t *pic, hnd_t handle, int csp, int width, int height )
177 if( x264_cli_pic_alloc( pic, X264_CSP_NONE, width, height ) )
184 static int read_frame( cli_pic_t *pic, hnd_t handle, int i_frame )
186 ffms_hnd_t *h = handle;
187 if( i_frame >= h->num_frames )
191 const FFMS_Frame *frame = FFMS_GetFrame( h->video_source, i_frame, &e );
192 FAIL_IF_ERROR( !frame, "could not read frame %d \n", i_frame )
194 memcpy( pic->img.stride, frame->Linesize, sizeof(pic->img.stride) );
195 memcpy( pic->img.plane, frame->Data, sizeof(pic->img.plane) );
199 const FFMS_FrameInfo *info = FFMS_GetFrameInfo( h->track, i_frame );
200 FAIL_IF_ERROR( info->PTS == AV_NOPTS_VALUE, "invalid timestamp. "
201 "Use --force-cfr and specify a framerate with --fps\n" )
203 pic->pts = info->PTS >> h->reduce_pts;
209 static void picture_clean( cli_pic_t *pic, hnd_t handle )
211 memset( pic, 0, sizeof(cli_pic_t) );
214 static int close_file( hnd_t handle )
216 ffms_hnd_t *h = handle;
217 FFMS_DestroyVideoSource( h->video_source );
222 const cli_input_t ffms_input = { open_file, picture_alloc, read_frame, NULL, picture_clean, close_file };