1 /*****************************************************************************
2 * ffms.c: ffmpegsource input
3 *****************************************************************************
4 * Copyright (C) 2009-2015 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>
42 FFMS_VideoSource *video_source;
50 static int FFMS_CC update_progress( int64_t current, int64_t total, void *private )
52 int64_t *update_time = private;
53 int64_t oldtime = *update_time;
54 int64_t newtime = x264_mdate();
55 if( oldtime && newtime - oldtime < UPDATE_INTERVAL )
57 *update_time = newtime;
60 sprintf( buf, "ffms [info]: indexing input file [%.1f%%]", 100.0 * current / total );
61 fprintf( stderr, "%s \r", buf+5 );
62 x264_cli_set_console_title( buf );
67 /* handle the deprecated jpeg pixel formats */
68 static int handle_jpeg( int csp, int *fullrange )
72 case AV_PIX_FMT_YUVJ420P: *fullrange = 1; return AV_PIX_FMT_YUV420P;
73 case AV_PIX_FMT_YUVJ422P: *fullrange = 1; return AV_PIX_FMT_YUV422P;
74 case AV_PIX_FMT_YUVJ444P: *fullrange = 1; return AV_PIX_FMT_YUV444P;
79 static int open_file( char *psz_filename, hnd_t *p_handle, video_info_t *info, cli_input_opt_t *opt )
81 ffms_hnd_t *h = calloc( 1, sizeof(ffms_hnd_t) );
86 /* FFMS supports UTF-8 filenames, but it uses std::fstream internally which is broken with Unicode in MinGW. */
88 char src_filename[MAX_PATH];
89 char idx_filename[MAX_PATH];
90 FAIL_IF_ERROR( !x264_ansi_filename( psz_filename, src_filename, MAX_PATH, 0 ), "invalid ansi filename\n" );
92 FAIL_IF_ERROR( !x264_ansi_filename( opt->index_file, idx_filename, MAX_PATH, 1 ), "invalid ansi filename\n" );
95 char *src_filename = psz_filename;
96 char *idx_filename = opt->index_file;
101 int seekmode = opt->seek ? FFMS_SEEK_NORMAL : FFMS_SEEK_LINEAR_NO_RW;
103 FFMS_Index *idx = NULL;
104 if( opt->index_file )
106 x264_struct_stat index_s, input_s;
107 if( !x264_stat( opt->index_file, &index_s ) && !x264_stat( psz_filename, &input_s ) &&
108 input_s.st_mtime < index_s.st_mtime && index_s.st_size )
109 idx = FFMS_ReadIndex( idx_filename, &e );
115 idx = FFMS_MakeIndex( src_filename, 0, 0, NULL, NULL, 0, update_progress, &h->time, &e );
116 fprintf( stderr, " \r" );
119 idx = FFMS_MakeIndex( src_filename, 0, 0, NULL, NULL, 0, NULL, NULL, &e );
120 FAIL_IF_ERROR( !idx, "could not create index\n" )
121 if( opt->index_file && FFMS_WriteIndex( idx_filename, idx, &e ) )
122 x264_cli_log( "ffms", X264_LOG_WARNING, "could not write index file\n" );
125 int trackno = FFMS_GetFirstTrackOfType( idx, FFMS_TYPE_VIDEO, &e );
126 FAIL_IF_ERROR( trackno < 0, "could not find video track\n" )
128 h->video_source = FFMS_CreateVideoSource( src_filename, trackno, idx, 1, seekmode, &e );
129 FAIL_IF_ERROR( !h->video_source, "could not create video source\n" )
131 h->track = FFMS_GetTrackFromVideo( h->video_source );
133 FFMS_DestroyIndex( idx );
134 const FFMS_VideoProperties *videop = FFMS_GetVideoProperties( h->video_source );
135 info->num_frames = h->num_frames = videop->NumFrames;
136 info->sar_height = videop->SARDen;
137 info->sar_width = videop->SARNum;
138 info->fps_den = videop->FPSDenominator;
139 info->fps_num = videop->FPSNumerator;
140 h->vfr_input = info->vfr;
141 /* ffms is thread unsafe as it uses a single frame buffer for all frame requests */
142 info->thread_safe = 0;
144 const FFMS_Frame *frame = FFMS_GetFrame( h->video_source, 0, &e );
145 FAIL_IF_ERROR( !frame, "could not read frame 0\n" )
148 info->width = frame->EncodedWidth;
149 info->height = frame->EncodedHeight;
150 info->csp = handle_jpeg( frame->EncodedPixelFormat, &info->fullrange ) | X264_CSP_OTHER;
151 info->interlaced = frame->InterlacedFrame;
152 info->tff = frame->TopFieldFirst;
153 info->fullrange |= frame->ColorRange == FFMS_CR_JPEG;
155 /* ffms timestamps are in milliseconds. ffms also uses int64_ts for timebase,
156 * so we need to reduce large timebases to prevent overflow */
159 const FFMS_TrackTimeBase *timebase = FFMS_GetTimeBase( h->track );
160 int64_t timebase_num = timebase->Num;
161 int64_t timebase_den = timebase->Den * 1000;
164 while( timebase_num > UINT32_MAX || timebase_den > INT32_MAX )
170 info->timebase_num = timebase_num;
171 info->timebase_den = timebase_den;
178 static int picture_alloc( cli_pic_t *pic, int csp, int width, int height )
180 if( x264_cli_pic_alloc( pic, X264_CSP_NONE, width, height ) )
187 static int read_frame( cli_pic_t *pic, hnd_t handle, int i_frame )
189 ffms_hnd_t *h = handle;
190 if( i_frame >= h->num_frames )
194 const FFMS_Frame *frame = FFMS_GetFrame( h->video_source, i_frame, &e );
195 FAIL_IF_ERROR( !frame, "could not read frame %d \n", i_frame )
197 memcpy( pic->img.stride, frame->Linesize, sizeof(pic->img.stride) );
198 memcpy( pic->img.plane, frame->Data, sizeof(pic->img.plane) );
202 const FFMS_FrameInfo *info = FFMS_GetFrameInfo( h->track, i_frame );
203 FAIL_IF_ERROR( info->PTS == AV_NOPTS_VALUE, "invalid timestamp. "
204 "Use --force-cfr and specify a framerate with --fps\n" )
206 pic->pts = info->PTS >> h->reduce_pts;
212 static void picture_clean( cli_pic_t *pic )
214 memset( pic, 0, sizeof(cli_pic_t) );
217 static int close_file( hnd_t handle )
219 ffms_hnd_t *h = handle;
220 FFMS_DestroyVideoSource( h->video_source );
225 const cli_input_t ffms_input = { open_file, picture_alloc, read_frame, NULL, picture_clean, close_file };