2 Copyright (C) 2010-2013 Paul Davis
3 Author: Robin Gareus <robin@gareus.org>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifdef WITH_VIDEOTIMELINE
25 #include <sys/types.h>
27 #include "pbd/error.h"
28 #include "pbd/file_utils.h"
29 #include "pbd/file_utils.h"
30 #include "gui_thread.h"
32 #include "transcode_ffmpeg.h"
33 #include "utils_videotl.h"
37 TranscodeFfmpeg::TranscodeFfmpeg (std::string f)
45 #if 1 /* tentative debug mode */
49 std::string ff_file_path;
50 if (find_file_in_search_path (PBD::SearchPath(Glib::getenv("PATH")), X_("ffmpeg_harvid"), ff_file_path)) { ffmpeg_exe = ff_file_path; }
51 else if (Glib::file_test(X_("C:\\Program Files\\harvid\\ffmpeg.exe"), Glib::FILE_TEST_EXISTS)) {
52 ffmpeg_exe = X_("C:\\Program Files\\ffmpeg\\ffmpeg.exe");
54 else if (Glib::file_test(X_("C:\\Program Files\\ffmpeg\\ffmpeg.exe"), Glib::FILE_TEST_EXISTS)) {
55 ffmpeg_exe = X_("C:\\Program Files\\ffmpeg\\ffmpeg.exe");
58 if (find_file_in_search_path (PBD::SearchPath(Glib::getenv("PATH")), X_("ffprobe_harvid"), ff_file_path)) { ffprobe_exe = ff_file_path; }
59 else if (Glib::file_test(X_("C:\\Program Files\\harvid\\ffprobe.exe"), Glib::FILE_TEST_EXISTS)) {
60 ffprobe_exe = X_("C:\\Program Files\\ffmpeg\\ffprobe.exe");
62 else if (Glib::file_test(X_("C:\\Program Files\\ffmpeg\\ffprobe.exe"), Glib::FILE_TEST_EXISTS)) {
63 ffprobe_exe = X_("C:\\Program Files\\ffmpeg\\ffprobe.exe");
66 if (ffmpeg_exe.empty() || ffprobe_exe.empty()) {
67 PBD::warning << _("No ffprobe or ffmpeg executables could be found on this system. Transcoding is not possible until you install those tools.") << endmsg;
72 if (infile.empty() || !probe()) {
78 TranscodeFfmpeg::~TranscodeFfmpeg ()
84 TranscodeFfmpeg::probe ()
88 argp=(char**) calloc(7,sizeof(char*));
89 argp[0] = strdup(ffprobe_exe.c_str());
90 argp[1] = strdup("-print_format"); // "-of" ; new version and avprobe compat but avprobe does not yet support csv
91 argp[2] = strdup("csv"); // TODO use "csv=nk=0" and parse key/value pairs -> ffprobe version agnostic or parse XML or JSON key/value
92 argp[3] = strdup("-show_format");
93 argp[4] = strdup("-show_streams");
94 argp[5] = strdup(infile.c_str());
96 ffcmd = new SystemExec(ffprobe_exe, argp);
97 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffprobeparse, this, _1 ,_2));
98 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
99 if (ffcmd->start(1)) {
107 std::vector<std::vector<std::string> > lines;
108 ParseCSV(ffoutput, lines);
109 m_width = m_height = 0;
110 m_fps = m_aspect = 0;
115 for (std::vector<std::vector<std::string> >::iterator i = lines.begin(); i != lines.end(); ++i) {
116 if (i->at(0) == X_("format")) {
117 /* format,filename,#streams,format-name,format-long-name,start-time,duration,size,bitrate */
119 if (i->at(0) == X_("stream")) {
120 /*--------- Stream format
121 * stream,index,codec-name,codec-name-long,PROFILE,
122 * codec_time_base,codec_tag_string,codec_tag[hex],
124 * width,height,has_b_frames,sample_aspect_ratio,display_aspect_ratio
128 * sample_fmt,sample_rate,channels,bits_per_sample
131 * r_frame_rate,avg_frame_rate,time_base,start_time,duration,
132 * bit_rate,nb_frames,nb_read_frames,nb_read_packets
135 * stream,0,mpeg2video,MPEG-2 video,video,1/50,[0][0][0][0],0x0000,720,576,1,16:15,4:3,yuv420p,8,00:02:30:00,0x1e0,25/1,25/1,1/90000,0.360000,N/A,7000000,N/A,N/A,N/A
136 * stream,1,ac3,ATSC A/52A (AC-3),audio,1/48000,[0][0][0][0],0x0000,s16,48000,6,0,-1,-1.000000,-1.000000,-1.000000,-1.000000,0x80,0/0,0/0,1/90000,0.280000,312.992000,448000,N/A,N/A,N/A
137 * stream,2,ac3,ATSC A/52A (AC-3),audio,1/48000,[0][0][0][0],0x0000,s16,48000,2,0,-1,-1.000000,-1.000000,-1.000000,-1.000000,0x82,0/0,0/0,1/90000,0.280000,312.992000,384000,N/A,N/A,N/A
138 * stream,3,ac3,ATSC A/52A (AC-3),audio,1/48000,[0][0][0][0],0x0000,s16,48000,2,0,-1,-1.000000,-1.000000,-1.000000,-1.000000,0x81,0/0,0/0,1/90000,0.280000,312.992000,192000,N/A,N/A,N/A
140 if (i->at(4) == X_("video") && m_width == 0) {
141 std::string::size_type pos;
143 m_width = atoi(i->at(8).c_str());
144 m_height = atoi(i->at(9).c_str());
145 m_codec = i->at(3) + " -- " + i->at(2);
146 m_fps = atof(i->at(17).c_str());
148 pos = i->at(17).find_first_of('/');
149 if (pos != std::string::npos) {
150 m_fps = atof(i->at(17).substr(0, pos).c_str()) / atof(i->at(17).substr(pos+1).c_str());
153 pos = i->at(12).find_first_of(':');
155 if (pos != std::string::npos && atof(i->at(12).substr(pos+1).c_str()) != 0) {
156 m_aspect = atof(i->at(12).substr(0, pos).c_str()) / atof(i->at(12).substr(pos+1).c_str());
159 m_aspect = (double)m_width / (double)m_height;
162 int h,m,s; char f[7];
163 if (sscanf(i->at(15).c_str(), "%d:%d:%d:%s",&h,&m,&s,f) == 4) {
164 m_duration = (ARDOUR::framecnt_t) floor(m_fps * (
168 + atoi(f) / pow(10, strlen(f))
171 m_duration = atof(i->at(21).c_str()) * m_fps;
174 } else if (i->at(4) == X_("audio")) {
176 as.name = i->at(3) + " " + i->at(2) + " " + i->at(8) + " " + i->at(9);
177 as.stream_id = i->at(1);
178 as.channels = atoi(i->at(10).c_str());
179 m_audio.push_back(as);
181 } else if (i->at(5) == X_("video") && m_width == 0) { /* new ffprobe */
182 std::string::size_type pos;
184 m_width = atoi(i->at(9).c_str());
185 m_height = atoi(i->at(10).c_str());
186 m_codec = i->at(3) + " -- " + i->at(2);
187 m_fps = atof(i->at(18).c_str());
189 pos = i->at(18).find_first_of('/');
190 if (pos != std::string::npos) {
191 m_fps = atof(i->at(18).substr(0, pos).c_str()) / atof(i->at(18).substr(pos+1).c_str());
194 pos = i->at(13).find_first_of(':');
196 if (pos != std::string::npos && atof(i->at(13).substr(pos+1).c_str()) != 0) {
197 m_aspect = atof(i->at(13).substr(0, pos).c_str()) / atof(i->at(13).substr(pos+1).c_str());
200 m_aspect = (double)m_width / (double)m_height;
203 int h,m,s; char f[7];
204 if (sscanf(i->at(17).c_str(), "%d:%d:%d:%s",&h,&m,&s,f) == 4) {
205 m_duration = (ARDOUR::framecnt_t) floor(m_fps * (
209 + atoi(f) / pow(10, strlen(f))
211 } else if (atof(i->at(23).c_str()) != 0) {
212 m_duration = atof(i->at(23).c_str());
214 m_duration = atof(i->at(24).c_str()) * m_fps;
217 } else if (i->at(5) == X_("audio")) { /* new ffprobe */
219 as.name = i->at(3) + " " + i->at(2) + " " + i->at(9) + " " + i->at(10);
220 as.stream_id = i->at(1);
221 as.channels = atoi(i->at(11).c_str());
222 m_audio.push_back(as);
230 while (ffcmd && --timeout) usleep (1000); // wait until 'ffprobe' terminated.
231 if (timeout == 0) return false;
234 printf("FPS: %f\n", m_fps);
235 printf("Duration: %lu frames\n",(unsigned long)m_duration);
236 printf("W/H: %ix%i\n",m_width, m_height);
237 printf("aspect: %f\n",m_aspect);
238 printf("codec: %s\n",m_codec.c_str());
239 if (m_audio.size() > 0) {
240 for (AudioStreams::iterator it = m_audio.begin(); it < m_audio.end(); ++it) {
241 printf("audio: %s - %i channels\n",(*it).stream_id.c_str(), (*it).channels);
244 printf("audio: no audio streams in file.\n");
252 TranscodeFfmpeg::default_encoder_settings ()
256 ffs["-vcodec"] = "mpeg4";
257 ffs["-acodec"] = "ac3";
264 TranscodeFfmpeg::default_meta_data ()
268 ffm["comment"] = "Created with ardour";
273 TranscodeFfmpeg::format_metadata (std::string key, std::string value)
275 size_t start_pos = 0;
276 std::string v1 = value;
277 while((start_pos = v1.find_first_not_of(
278 "abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789(),.\"'",
279 start_pos)) != std::string::npos)
281 v1.replace(start_pos, 1, "_");
286 while((start_pos = v1.find("\"", start_pos)) != std::string::npos) {
287 v1.replace(start_pos, 1, "\\\"");
291 size_t len = key.length() + v1.length() + 4;
292 char *mds = (char*) calloc(len, sizeof(char));
293 snprintf(mds, len, "%s=\"%s\"", key.c_str(), v1.c_str());
298 TranscodeFfmpeg::encode (std::string outfile, std::string inf_a, std::string inf_v, FFSettings ffs, FFSettings meta, bool map)
300 #define MAX_FFMPEG_ENCODER_ARGS (100)
304 argp=(char**) calloc(MAX_FFMPEG_ENCODER_ARGS,sizeof(char*));
305 argp[a++] = strdup(ffmpeg_exe.c_str());
306 if (m_avoffset < 0 || m_avoffset > 0) {
307 std::ostringstream osstream; osstream << m_avoffset;
308 argp[a++] = strdup("-itsoffset");
309 argp[a++] = strdup(osstream.str().c_str());
311 argp[a++] = strdup("-i");
312 argp[a++] = strdup(inf_v.c_str());
314 argp[a++] = strdup("-i");
315 argp[a++] = strdup(inf_a.c_str());
316 for(FFSettings::const_iterator it = ffs.begin(); it != ffs.end(); ++it) {
317 argp[a++] = strdup(it->first.c_str());
318 argp[a++] = strdup(it->second.c_str());
320 for(FFSettings::const_iterator it = meta.begin(); it != meta.end(); ++it) {
321 argp[a++] = strdup("-metadata");
322 argp[a++] = format_metadata(it->first.c_str(), it->second.c_str());
325 argp[a++] = strdup("-map");
326 argp[a++] = strdup("0:0");
327 argp[a++] = strdup("-map");
328 argp[a++] = strdup("1:0");
330 argp[a++] = strdup("-y");
331 argp[a++] = strdup(outfile.c_str());
333 assert(a<MAX_FFMPEG_ENCODER_ARGS);
334 /* Note: these are free()d in ~SystemExec */
336 if (debug_enable) { /* tentative debug mode */
337 printf("EXPORT ENCODE:\n");
338 for (int i=0; i< a; ++i) {
339 printf("%s ", argp[i]);
345 ffcmd = new SystemExec(ffmpeg_exe, argp);
346 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_v, this, _1 ,_2));
347 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
348 if (ffcmd->start(2)) {
356 TranscodeFfmpeg::extract_audio (std::string outfile, ARDOUR::framecnt_t samplerate, unsigned int stream)
358 if (!probeok) return false;
359 if (stream >= m_audio.size()) return false;
363 argp=(char**) calloc(15,sizeof(char*));
364 argp[0] = strdup(ffmpeg_exe.c_str());
365 argp[1] = strdup("-i");
366 argp[2] = strdup(infile.c_str());
367 argp[3] = strdup("-ar");
368 argp[4] = (char*) calloc(7,sizeof(char)); snprintf(argp[4], 7, "%"PRId64, samplerate);
369 argp[5] = strdup("-ac");
370 argp[6] = (char*) calloc(3,sizeof(char)); snprintf(argp[6], 3, "%i", m_audio.at(stream).channels);
371 argp[7] = strdup("-map");
372 argp[8] = (char*) calloc(8,sizeof(char)); snprintf(argp[8], 8, "0:%s", m_audio.at(stream).stream_id.c_str());
373 argp[9] = strdup("-vn");
374 argp[10] = strdup("-acodec");
375 argp[11] = strdup("pcm_f32le");
376 argp[12] = strdup("-y");
377 argp[13] = strdup(outfile.c_str());
378 argp[14] = (char *)0;
379 /* Note: argp is free()d in ~SystemExec */
381 if (debug_enable) { /* tentative debug mode */
382 printf("EXTRACT AUDIO:\n");
383 for (int i=0; i< 14; ++i) {
384 printf("%s ", argp[i]);
390 ffcmd = new SystemExec(ffmpeg_exe, argp);
391 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_a, this, _1 ,_2));
392 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
393 if (ffcmd->start(2)) {
402 TranscodeFfmpeg::transcode (std::string outfile, const int outw, const int outh, const int kbitps)
404 if (!probeok) return false;
407 int bitrate = kbitps;
411 if (width < 1 || width > m_width) { width = m_width; } /* don't allow upscaling */
412 if (height < 1 || height > m_height) { height = floor(width / m_aspect); }
415 const double bitperpixel = .7; /* avg quality */
416 bitrate = floor(m_fps * width * height * bitperpixel / 10000.0);
418 bitrate = bitrate / 10;
420 if (bitrate < 10) bitrate = 10;
421 if (bitrate > 1000) bitrate = 1000;
423 argp=(char**) calloc(16,sizeof(char*));
424 argp[0] = strdup(ffmpeg_exe.c_str());
425 argp[1] = strdup("-i");
426 argp[2] = strdup(infile.c_str());
427 argp[3] = strdup("-b");
428 argp[4] = (char*) calloc(7,sizeof(char)); snprintf(argp[4], 7, "%i0k", bitrate);
429 argp[5] = strdup("-s");
430 argp[6] = (char*) calloc(10,sizeof(char)); snprintf(argp[6], 10, "%ix%i", width, height);
431 argp[7] = strdup("-y");
432 argp[8] = strdup("-vcodec");
433 argp[9] = strdup("mjpeg");
434 argp[10] = strdup("-an");
435 argp[11] = strdup("-intra");
436 argp[12] = strdup("-g");
437 argp[13] = strdup("1");
438 argp[14] = strdup(outfile.c_str());
439 argp[15] = (char *)0;
440 /* Note: these are free()d in ~SystemExec */
442 if (debug_enable) { /* tentative debug mode */
443 printf("TRANSCODE VIDEO:\n");
444 for (int i=0; i< 15; ++i) {
445 printf("%s ", argp[i]);
450 ffcmd = new SystemExec(ffmpeg_exe, argp);
451 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_v, this, _1 ,_2));
452 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
453 if (ffcmd->start(2)) {
461 TranscodeFfmpeg::cancel ()
463 if (!ffcmd || !ffcmd->is_running()) { return;}
464 ffcmd->write_to_stdin("q");
472 TranscodeFfmpeg::ffexit ()
476 Finished(); /* EMIT SIGNAL */
480 TranscodeFfmpeg::ffprobeparse (std::string d, size_t /* s */)
486 TranscodeFfmpeg::ffmpegparse_a (std::string d, size_t /* s */)
489 if (!(t=strstr(d.c_str(), "time="))) { return; }
490 ARDOUR::framecnt_t f = (ARDOUR::framecnt_t) floorf (atof(t+5) * m_fps);
491 if (f > m_duration ) { f = m_duration; }
492 Progress(f, m_duration); /* EMIT SIGNAL */
496 TranscodeFfmpeg::ffmpegparse_v (std::string d, size_t /* s */)
498 if (strstr(d.c_str(), "ERROR") || strstr(d.c_str(), "Error") || strstr(d.c_str(), "error")) {
499 PBD::warning << "ffmpeg-error: " << d << endmsg;
501 if (strncmp(d.c_str(), "frame=",6)) {
504 d.erase(d.find_last_not_of(" \t\r\n") + 1);
505 printf("ffmpeg: '%s'\n", d.c_str());
510 ARDOUR::framecnt_t f = atol(d.substr(6).c_str());
511 Progress(f, m_duration); /* EMIT SIGNAL */
514 #endif /* WITH_VIDEOTIMELINE */