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"), ff_file_path)) { ffmpeg_exe = ff_file_path; }
51 else if (find_file_in_search_path (PBD::SearchPath(Glib::getenv("PATH")), X_("avconv"), ff_file_path)) { ffmpeg_exe = ff_file_path; }
52 else if (find_file_in_search_path (PBD::SearchPath(std::string("/usr/local/bin/")), X_("ffmpeg_harvid"), ff_file_path)) { ffmpeg_exe = ff_file_path; }
53 else if (Glib::file_test(X_("C:\\Program Files\\ffmpeg\\ffmpeg.exe"), Glib::FILE_TEST_EXISTS)) {
54 ffmpeg_exe = X_("C:\\Program Files\\ffmpeg\\ffmpeg.exe");
57 if (find_file_in_search_path (PBD::SearchPath(Glib::getenv("PATH")), X_("ffprobe"), ff_file_path)) { ffprobe_exe = ff_file_path; }
58 //else if (find_file_in_search_path (PBD::SearchPath(Glib::getenv("PATH")), X_("avprobe"), ff_file_path)) { ffprobe_exe = ff_file_path; }
59 else if (find_file_in_search_path (PBD::SearchPath(std::string("/usr/local/bin/")), X_("ffprobe_harvid"), ff_file_path)) { ffprobe_exe = ff_file_path; }
60 else if (Glib::file_test(X_("C:\\Program Files\\ffmpeg\\ffprobe.exe"), Glib::FILE_TEST_EXISTS)) {
61 ffprobe_exe = X_("C:\\Program Files\\ffmpeg\\ffprobe.exe");
64 if (ffmpeg_exe.empty() || ffprobe_exe.empty()) {
65 PBD::warning << _("No ffprobe or ffmpeg executables could be found on this system. Transcoding is not possible until you install those tools.") << endmsg;
70 if (infile.empty() || !probe()) {
76 TranscodeFfmpeg::~TranscodeFfmpeg ()
82 TranscodeFfmpeg::probe ()
86 argp=(char**) calloc(7,sizeof(char*));
87 argp[0] = strdup(ffprobe_exe.c_str());
88 argp[1] = strdup("-print_format"); // "-of" ; new version and avprobe compat but avprobe does not yet support csv
89 argp[2] = strdup("csv"); // TODO use "csv=nk=0" and parse key/value pairs -> ffprobe version agnostic or parse XML or JSON key/value
90 argp[3] = strdup("-show_format");
91 argp[4] = strdup("-show_streams");
92 argp[5] = strdup(infile.c_str());
94 ffcmd = new SystemExec(ffprobe_exe, argp);
95 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffprobeparse, this, _1 ,_2));
96 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
97 if (ffcmd->start(1)) {
105 std::vector<std::vector<std::string> > lines;
106 ParseCSV(ffoutput, lines);
107 m_width = m_height = 0;
108 m_fps = m_aspect = 0;
113 for (std::vector<std::vector<std::string> >::iterator i = lines.begin(); i != lines.end(); ++i) {
114 if (i->at(0) == X_("format")) {
115 /* format,filename,#streams,format-name,format-long-name,start-time,duration,size,bitrate */
117 if (i->at(0) == X_("stream")) {
118 /*--------- Stream format
119 * stream,index,codec-name,codec-name-long,PROFILE,
120 * codec_time_base,codec_tag_string,codec_tag[hex],
122 * width,height,has_b_frames,sample_aspect_ratio,display_aspect_ratio
126 * sample_fmt,sample_rate,channels,bits_per_sample
129 * r_frame_rate,avg_frame_rate,time_base,start_time,duration,
130 * bit_rate,nb_frames,nb_read_frames,nb_read_packets
133 * 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
134 * 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
135 * 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
136 * 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
138 if (i->at(4) == X_("video") && m_width == 0) {
139 std::string::size_type pos;
141 m_width = atoi(i->at(8).c_str());
142 m_height = atoi(i->at(9).c_str());
143 m_codec = i->at(3) + " -- " + i->at(2);
144 m_fps = atof(i->at(17).c_str());
146 pos = i->at(17).find_first_of('/');
147 if (pos != std::string::npos) {
148 m_fps = atof(i->at(17).substr(0, pos).c_str()) / atof(i->at(17).substr(pos+1).c_str());
151 pos = i->at(12).find_first_of(':');
153 if (pos != std::string::npos && atof(i->at(12).substr(pos+1).c_str()) != 0) {
154 m_aspect = atof(i->at(12).substr(0, pos).c_str()) / atof(i->at(12).substr(pos+1).c_str());
157 m_aspect = (double)m_width / (double)m_height;
160 int h,m,s; char f[7];
161 if (sscanf(i->at(15).c_str(), "%d:%d:%d:%s",&h,&m,&s,f) == 4) {
162 m_duration = (ARDOUR::framecnt_t) floor(m_fps * (
166 + atoi(f) / pow(10, strlen(f))
169 m_duration = atof(i->at(21).c_str()) * m_fps;
172 } else if (i->at(4) == X_("audio")) {
174 as.name = i->at(3) + " " + i->at(2) + " " + i->at(8) + " " + i->at(9);
175 as.stream_id = i->at(1);
176 as.channels = atoi(i->at(10).c_str());
177 m_audio.push_back(as);
179 } else if (i->at(5) == X_("video") && m_width == 0) { /* new ffprobe */
180 std::string::size_type pos;
182 m_width = atoi(i->at(9).c_str());
183 m_height = atoi(i->at(10).c_str());
184 m_codec = i->at(3) + " -- " + i->at(2);
185 m_fps = atof(i->at(18).c_str());
187 pos = i->at(18).find_first_of('/');
188 if (pos != std::string::npos) {
189 m_fps = atof(i->at(18).substr(0, pos).c_str()) / atof(i->at(18).substr(pos+1).c_str());
192 pos = i->at(13).find_first_of(':');
194 if (pos != std::string::npos && atof(i->at(13).substr(pos+1).c_str()) != 0) {
195 m_aspect = atof(i->at(13).substr(0, pos).c_str()) / atof(i->at(13).substr(pos+1).c_str());
198 m_aspect = (double)m_width / (double)m_height;
201 int h,m,s; char f[7];
202 if (sscanf(i->at(17).c_str(), "%d:%d:%d:%s",&h,&m,&s,f) == 4) {
203 m_duration = (ARDOUR::framecnt_t) floor(m_fps * (
207 + atoi(f) / pow(10, strlen(f))
209 } else if (atof(i->at(23).c_str()) != 0) {
210 m_duration = atof(i->at(23).c_str());
212 m_duration = atof(i->at(24).c_str()) * m_fps;
215 } else if (i->at(5) == X_("audio")) { /* new ffprobe */
217 as.name = i->at(3) + " " + i->at(2) + " " + i->at(9) + " " + i->at(10);
218 as.stream_id = i->at(1);
219 as.channels = atoi(i->at(11).c_str());
220 m_audio.push_back(as);
228 while (ffcmd && --timeout) usleep (1000); // wait until 'ffprobe' terminated.
229 if (timeout == 0) return false;
232 printf("FPS: %f\n", m_fps);
233 printf("Duration: %lu frames\n",(unsigned long)m_duration);
234 printf("W/H: %ix%i\n",m_width, m_height);
235 printf("aspect: %f\n",m_aspect);
236 printf("codec: %s\n",m_codec.c_str());
237 if (m_audio.size() > 0) {
238 for (AudioStreams::iterator it = m_audio.begin(); it < m_audio.end(); ++it) {
239 printf("audio: %s - %i channels\n",(*it).stream_id.c_str(), (*it).channels);
242 printf("audio: no audio streams in file.\n");
250 TranscodeFfmpeg::default_encoder_settings ()
254 ffs["-vcodec"] = "mpeg4";
255 ffs["-acodec"] = "ac3";
262 TranscodeFfmpeg::default_meta_data ()
266 ffm["comment"] = "Created with ardour";
271 TranscodeFfmpeg::format_metadata (std::string key, std::string value)
273 size_t start_pos = 0;
274 std::string v1 = value;
275 while((start_pos = v1.find_first_not_of(
276 "abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789(),.\"'",
277 start_pos)) != std::string::npos)
279 v1.replace(start_pos, 1, "_");
284 while((start_pos = v1.find("\"", start_pos)) != std::string::npos) {
285 v1.replace(start_pos, 1, "\\\"");
289 size_t len = key.length() + v1.length() + 4;
290 char *mds = (char*) calloc(len, sizeof(char));
291 snprintf(mds, len, "%s=\"%s\"", key.c_str(), v1.c_str());
296 TranscodeFfmpeg::encode (std::string outfile, std::string inf_a, std::string inf_v, FFSettings ffs, FFSettings meta, bool map)
298 #define MAX_FFMPEG_ENCODER_ARGS (100)
302 argp=(char**) calloc(MAX_FFMPEG_ENCODER_ARGS,sizeof(char*));
303 argp[a++] = strdup(ffmpeg_exe.c_str());
304 if (m_avoffset < 0 || m_avoffset > 0) {
305 std::ostringstream osstream; osstream << m_avoffset;
306 argp[a++] = strdup("-itsoffset");
307 argp[a++] = strdup(osstream.str().c_str());
309 argp[a++] = strdup("-i");
310 argp[a++] = strdup(inf_v.c_str());
312 argp[a++] = strdup("-i");
313 argp[a++] = strdup(inf_a.c_str());
314 for(FFSettings::const_iterator it = ffs.begin(); it != ffs.end(); ++it) {
315 argp[a++] = strdup(it->first.c_str());
316 argp[a++] = strdup(it->second.c_str());
318 for(FFSettings::const_iterator it = meta.begin(); it != meta.end(); ++it) {
319 argp[a++] = strdup("-metadata");
320 argp[a++] = format_metadata(it->first.c_str(), it->second.c_str());
323 argp[a++] = strdup("-map");
324 argp[a++] = strdup("0:0");
325 argp[a++] = strdup("-map");
326 argp[a++] = strdup("1:0");
328 argp[a++] = strdup("-y");
329 argp[a++] = strdup(outfile.c_str());
331 assert(a<MAX_FFMPEG_ENCODER_ARGS);
332 /* Note: these are free()d in ~SystemExec */
334 if (debug_enable) { /* tentative debug mode */
335 printf("EXPORT ENCODE:\n");
336 for (int i=0; i< a; ++i) {
337 printf("%s ", argp[i]);
343 ffcmd = new SystemExec(ffmpeg_exe, argp);
344 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_v, this, _1 ,_2));
345 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
346 if (ffcmd->start(2)) {
354 TranscodeFfmpeg::extract_audio (std::string outfile, ARDOUR::framecnt_t samplerate, unsigned int stream)
356 if (!probeok) return false;
357 if (stream >= m_audio.size()) return false;
361 argp=(char**) calloc(15,sizeof(char*));
362 argp[0] = strdup(ffmpeg_exe.c_str());
363 argp[1] = strdup("-i");
364 argp[2] = strdup(infile.c_str());
365 argp[3] = strdup("-ar");
366 argp[4] = (char*) calloc(7,sizeof(char)); snprintf(argp[4], 7, "%"PRId64, samplerate);
367 argp[5] = strdup("-ac");
368 argp[6] = (char*) calloc(3,sizeof(char)); snprintf(argp[6], 3, "%i", m_audio.at(stream).channels);
369 argp[7] = strdup("-map");
370 argp[8] = (char*) calloc(8,sizeof(char)); snprintf(argp[8], 8, "0:%s", m_audio.at(stream).stream_id.c_str());
371 argp[9] = strdup("-vn");
372 argp[10] = strdup("-acodec");
373 argp[11] = strdup("pcm_f32le");
374 argp[12] = strdup("-y");
375 argp[13] = strdup(outfile.c_str());
376 argp[14] = (char *)0;
377 /* Note: argp is free()d in ~SystemExec */
379 if (debug_enable) { /* tentative debug mode */
380 printf("EXTRACT AUDIO:\n");
381 for (int i=0; i< 14; ++i) {
382 printf("%s ", argp[i]);
388 ffcmd = new SystemExec(ffmpeg_exe, argp);
389 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_a, this, _1 ,_2));
390 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
391 if (ffcmd->start(2)) {
400 TranscodeFfmpeg::transcode (std::string outfile, const int outw, const int outh, const int kbitps)
402 if (!probeok) return false;
405 int bitrate = kbitps;
409 if (width < 1 || width > m_width) { width = m_width; } /* don't allow upscaling */
410 if (height < 1 || height > m_height) { height = floor(width / m_aspect); }
413 const double bitperpixel = .7; /* avg quality */
414 bitrate = floor(m_fps * width * height * bitperpixel / 10000.0);
416 bitrate = bitrate / 10;
418 if (bitrate < 10) bitrate = 10;
419 if (bitrate > 1000) bitrate = 1000;
421 argp=(char**) calloc(16,sizeof(char*));
422 argp[0] = strdup(ffmpeg_exe.c_str());
423 argp[1] = strdup("-i");
424 argp[2] = strdup(infile.c_str());
425 argp[3] = strdup("-b");
426 argp[4] = (char*) calloc(7,sizeof(char)); snprintf(argp[4], 7, "%i0k", bitrate);
427 argp[5] = strdup("-s");
428 argp[6] = (char*) calloc(10,sizeof(char)); snprintf(argp[6], 10, "%ix%i", width, height);
429 argp[7] = strdup("-y");
430 argp[8] = strdup("-vcodec");
431 argp[9] = strdup("mjpeg");
432 argp[10] = strdup("-an");
433 argp[11] = strdup("-intra");
434 argp[12] = strdup("-g");
435 argp[13] = strdup("1");
436 argp[14] = strdup(outfile.c_str());
437 argp[15] = (char *)0;
438 /* Note: these are free()d in ~SystemExec */
440 if (debug_enable) { /* tentative debug mode */
441 printf("TRANSCODE VIDEO:\n");
442 for (int i=0; i< 15; ++i) {
443 printf("%s ", argp[i]);
448 ffcmd = new SystemExec(ffmpeg_exe, argp);
449 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_v, this, _1 ,_2));
450 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
451 if (ffcmd->start(2)) {
459 TranscodeFfmpeg::cancel ()
461 if (!ffcmd || !ffcmd->is_running()) { return;}
462 ffcmd->write_to_stdin("q");
470 TranscodeFfmpeg::ffexit ()
474 Finished(); /* EMIT SIGNAL */
478 TranscodeFfmpeg::ffprobeparse (std::string d, size_t /* s */)
484 TranscodeFfmpeg::ffmpegparse_a (std::string d, size_t /* s */)
487 if (!(t=strstr(d.c_str(), "time="))) { return; }
488 ARDOUR::framecnt_t f = (ARDOUR::framecnt_t) floorf (atof(t+5) * m_fps);
489 if (f > m_duration ) { f = m_duration; }
490 Progress(f, m_duration); /* EMIT SIGNAL */
494 TranscodeFfmpeg::ffmpegparse_v (std::string d, size_t /* s */)
496 if (strstr(d.c_str(), "ERROR") || strstr(d.c_str(), "Error") || strstr(d.c_str(), "error")) {
497 PBD::warning << "ffmpeg-error: " << d << endmsg;
499 if (strncmp(d.c_str(), "frame=",6)) {
502 d.erase(d.find_last_not_of(" \t\r\n") + 1);
503 printf("ffmpeg: '%s'\n", d.c_str());
508 ARDOUR::framecnt_t f = atol(d.substr(6).c_str());
509 Progress(f, m_duration); /* EMIT SIGNAL */
512 #endif /* WITH_VIDEOTIMELINE */