1 /*****************************************************************************
2 * ffms.c: x264 ffmpegsource input module
3 *****************************************************************************
4 * Copyright (C) 2009 x264 project
6 * Authors: Mike Gurlitz <mike.gurlitz@gmail.com>
7 * Steven Walters <kemuri9@gmail.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
22 *****************************************************************************/
26 #define FAIL_IF_ERROR( cond, ... ) FAIL_IF_ERR( cond, "ffms", __VA_ARGS__ )
28 #undef DECLARE_ALIGNED
29 #include <libavcodec/avcodec.h>
30 #include <libswscale/swscale.h>
35 #define SetConsoleTitle(t)
40 FFMS_VideoSource *video_source;
47 static int FFMS_CC update_progress( int64_t current, int64_t total, void *private )
52 sprintf( buf, "ffms [info]: indexing input file [%.1f%%]", 100.0 * current / total );
53 fprintf( stderr, "%s \r", buf+5 );
54 SetConsoleTitle( buf );
59 static int open_file( char *psz_filename, hnd_t *p_handle, video_info_t *info, cli_input_opt_t *opt )
61 ffms_hnd_t *h = calloc( 1, sizeof(ffms_hnd_t) );
67 int seekmode = opt->seek ? FFMS_SEEK_NORMAL : FFMS_SEEK_LINEAR_NO_RW;
69 FFMS_Index *idx = NULL;
72 struct stat index_s, input_s;
73 if( !stat( opt->index_file, &index_s ) && !stat( psz_filename, &input_s ) &&
74 input_s.st_mtime < index_s.st_mtime )
75 idx = FFMS_ReadIndex( opt->index_file, &e );
79 idx = FFMS_MakeIndex( psz_filename, 0, 0, NULL, NULL, 0, update_progress, NULL, &e );
80 fprintf( stderr, " \r" );
81 FAIL_IF_ERROR( !idx, "could not create index\n" )
82 if( opt->index_file && FFMS_WriteIndex( opt->index_file, idx, &e ) )
83 x264_cli_log( "ffms", X264_LOG_WARNING, "could not write index file\n" );
86 int trackno = FFMS_GetFirstTrackOfType( idx, FFMS_TYPE_VIDEO, &e );
87 FAIL_IF_ERROR( trackno < 0, "could not find video track\n" )
89 h->video_source = FFMS_CreateVideoSource( psz_filename, trackno, idx, 1, seekmode, &e );
90 FAIL_IF_ERROR( !h->video_source, "could not create video source\n" )
92 h->track = FFMS_GetTrackFromVideo( h->video_source );
94 FFMS_DestroyIndex( idx );
95 const FFMS_VideoProperties *videop = FFMS_GetVideoProperties( h->video_source );
96 info->num_frames = h->num_frames = videop->NumFrames;
97 info->sar_height = videop->SARDen;
98 info->sar_width = videop->SARNum;
99 info->fps_den = videop->FPSDenominator;
100 info->fps_num = videop->FPSNumerator;
101 h->vfr_input = info->vfr;
102 /* ffms is thread unsafe as it uses a single frame buffer for all frame requests */
103 info->thread_safe = 0;
105 const FFMS_Frame *frame = FFMS_GetFrame( h->video_source, 0, &e );
106 FAIL_IF_ERROR( !frame, "could not read frame 0\n" )
108 info->width = frame->EncodedWidth;
109 info->height = frame->EncodedHeight;
110 info->csp = frame->EncodedPixelFormat | X264_CSP_OTHER;
111 info->interlaced = frame->InterlacedFrame;
112 info->tff = frame->TopFieldFirst;
114 /* ffms timestamps are in milliseconds. ffms also uses int64_ts for timebase,
115 * so we need to reduce large timebases to prevent overflow */
118 const FFMS_TrackTimeBase *timebase = FFMS_GetTimeBase( h->track );
119 int64_t timebase_num = timebase->Num;
120 int64_t timebase_den = timebase->Den * 1000;
123 while( timebase_num > UINT32_MAX || timebase_den > INT32_MAX )
129 info->timebase_num = timebase_num;
130 info->timebase_den = timebase_den;
137 static int picture_alloc( cli_pic_t *pic, int csp, int width, int height )
139 if( x264_cli_pic_alloc( pic, csp, width, height ) )
145 static int read_frame( cli_pic_t *pic, hnd_t handle, int i_frame )
147 ffms_hnd_t *h = handle;
148 if( i_frame >= h->num_frames )
152 const FFMS_Frame *frame = FFMS_GetFrame( h->video_source, i_frame, &e );
153 FAIL_IF_ERROR( !frame, "could not read frame %d \n", i_frame )
155 memcpy( pic->img.stride, frame->Linesize, sizeof(pic->img.stride) );
156 memcpy( pic->img.plane, frame->Data, sizeof(pic->img.plane) );
160 const FFMS_FrameInfo *info = FFMS_GetFrameInfo( h->track, i_frame );
161 FAIL_IF_ERROR( info->PTS == AV_NOPTS_VALUE, "invalid timestamp. "
162 "Use --force-cfr and specify a framerate with --fps\n" )
164 pic->pts = info->PTS >> h->reduce_pts;
170 static void picture_clean( cli_pic_t *pic )
172 memset( pic, 0, sizeof(cli_pic_t) );
175 static int close_file( hnd_t handle )
177 ffms_hnd_t *h = handle;
178 FFMS_DestroyVideoSource( h->video_source );
183 const cli_input_t ffms_input = { open_file, picture_alloc, read_frame, NULL, picture_clean, close_file };