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.
23 #include <sys/types.h>
25 #include "pbd/error.h"
26 #include "pbd/convert.h"
27 #include "pbd/file_utils.h"
28 #include "gui_thread.h"
30 #include "transcode_ffmpeg.h"
31 #include "utils_videotl.h"
36 using namespace VideoUtils;
38 TranscodeFfmpeg::TranscodeFfmpeg (std::string f)
46 m_avoffset = m_lead_in = m_lead_out = 0;
47 m_width = m_height = 0;
50 #if 1 /* tentative debug mode */
54 std::string ff_file_path;
55 if (find_file (Searchpath(Glib::getenv("PATH")), X_("ffmpeg_harvid"), ff_file_path)) { ffmpeg_exe = ff_file_path; }
56 else if (Glib::file_test(X_("C:\\Program Files\\harvid\\ffmpeg.exe"), Glib::FILE_TEST_EXISTS)) {
57 ffmpeg_exe = X_("C:\\Program Files\\ffmpeg\\ffmpeg.exe");
59 else if (Glib::file_test(X_("C:\\Program Files\\ffmpeg\\ffmpeg.exe"), Glib::FILE_TEST_EXISTS)) {
60 ffmpeg_exe = X_("C:\\Program Files\\ffmpeg\\ffmpeg.exe");
63 if (find_file (Searchpath(Glib::getenv("PATH")), X_("ffprobe_harvid"), ff_file_path)) { ffprobe_exe = ff_file_path; }
64 else if (Glib::file_test(X_("C:\\Program Files\\harvid\\ffprobe.exe"), Glib::FILE_TEST_EXISTS)) {
65 ffprobe_exe = X_("C:\\Program Files\\ffmpeg\\ffprobe.exe");
67 else if (Glib::file_test(X_("C:\\Program Files\\ffmpeg\\ffprobe.exe"), Glib::FILE_TEST_EXISTS)) {
68 ffprobe_exe = X_("C:\\Program Files\\ffmpeg\\ffprobe.exe");
71 if (ffmpeg_exe.empty() || ffprobe_exe.empty()) {
72 warning << string_compose(
74 "No ffprobe or ffmpeg executables could be found on this system.\n"
75 "Video import and export is not possible until you install those tools.\n"
76 "%1 requires ffmpeg and ffprobe from ffmpeg.org - version 1.1 or newer.\n"
78 "The tools are included with the %1 releases from ardour.org "
79 "and also available with the video-server at http://x42.github.com/harvid/\n"
81 "Important: the files need to be installed in $PATH and named ffmpeg_harvid and ffprobe_harvid.\n"
82 "If you already have a suitable ffmpeg installation on your system, we recommend creating "
83 "symbolic links from ffmpeg to ffmpeg_harvid and from ffprobe to ffprobe_harvid.\n"
85 "see also http://manual.ardour.org/video-timeline/setup/"
86 ), PROGRAM_NAME) << endmsg;
91 if (infile.empty() || !probe()) {
97 TranscodeFfmpeg::~TranscodeFfmpeg ()
103 TranscodeFfmpeg::probe ()
107 argp=(char**) calloc(7,sizeof(char*));
108 argp[0] = strdup(ffprobe_exe.c_str());
109 argp[1] = strdup("-print_format");
110 argp[2] = strdup("csv=nk=0");
111 argp[3] = strdup("-show_format");
112 argp[4] = strdup("-show_streams");
113 argp[5] = strdup(infile.c_str());
115 ffcmd = new ARDOUR::SystemExec(ffprobe_exe, argp);
116 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffprobeparse, this, _1 ,_2));
117 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
118 if (ffcmd->start(1)) {
123 /* wait for ffprobe process to exit */
126 /* wait for interposer thread to copy all data.
127 * SystemExec::Terminated is emitted and ffcmd set to NULL */
128 int timeout = 300; // 1.5 sec
129 while (ffcmd && --timeout > 0) {
132 if (timeout == 0 || ffoutput.empty()) {
138 std::vector<std::vector<std::string> > lines;
139 ParseCSV(ffoutput, lines);
141 m_width = m_height = 0;
142 m_fps = m_aspect = 0;
148 #define PARSE_FRACTIONAL_FPS(VAR) \
150 std::string::size_type pos; \
152 pos = value.find_first_of('/'); \
153 if (pos != std::string::npos) { \
154 VAR = atof(value.substr(0, pos)) / atof(value.substr(pos+1)); \
158 for (std::vector<std::vector<std::string> >::iterator i = lines.begin(); i != lines.end(); ++i) {
159 if (i->at(0) == X_("format")) {
160 /* format,filename,#streams,format-name,format-long-name,start-time,duration,size,bitrate */
162 if (i->at(0) == X_("stream")) {
163 if (i->at(5) == X_("codec_type=video") && m_width == 0) {
165 for (std::vector<std::string>::iterator kv = i->begin(); kv != i->end(); ++kv) {
166 const size_t kvsep = kv->find('=');
167 if(kvsep == std::string::npos) continue;
168 std::string key = kv->substr(0, kvsep);
169 std::string value = kv->substr(kvsep + 1);
171 if (key == X_("index")) {
172 m_videoidx = atoi(value);
173 } else if (key == X_("width")) {
174 m_width = atoi(value);
175 } else if (key == X_("height")) {
176 m_height = atoi(value);
177 } else if (key == X_("codec_name")) {
178 if (!m_codec.empty()) m_codec += " ";
180 } else if (key == X_("codec_long_name")) {
181 if (!m_codec.empty()) m_codec += " ";
182 m_codec += "[" + value + "]";
183 } else if (key == X_("codec_tag_string")) {
184 if (!m_codec.empty()) m_codec += " ";
185 m_codec += "(" + value + ")";
186 } else if (key == X_("r_frame_rate")) {
187 PARSE_FRACTIONAL_FPS(m_fps)
188 } else if (key == X_("avg_frame_rate") && m_fps == 0) {
189 PARSE_FRACTIONAL_FPS(m_fps)
190 } else if (key == X_("time_base")) {
191 PARSE_FRACTIONAL_FPS(timebase)
192 } else if (key == X_("timecode") && m_duration == 0) {
193 int h,m,s; char f[7];
194 if (sscanf(i->at(16).c_str(), "%d:%d:%d:%s",&h,&m,&s,f) == 4) {
195 m_duration = (ARDOUR::framecnt_t) floor(m_fps * (
199 + atoi(f) / pow((double)10, (int)strlen(f))
202 } else if (key == X_("duration_ts") && m_fps == 0 && timebase !=0 ) {
203 m_duration = atof(value) * m_fps * timebase;
204 } else if (key == X_("duration") && m_fps != 0 && m_duration == 0) {
205 m_duration = atof(value) * m_fps;
206 } else if (key == X_("sample_aspect_ratio")) {
207 std::string::size_type pos;
208 pos = value.find_first_of(':');
209 if (pos != std::string::npos && atof(value.substr(pos+1)) != 0) {
211 m_sar.replace(pos, 1, "/");
213 } else if (key == X_("display_aspect_ratio")) {
214 std::string::size_type pos;
215 pos = value.find_first_of(':');
216 if (pos != std::string::npos && atof(value.substr(pos+1)) != 0) {
217 m_aspect = atof(value.substr(0, pos)) / atof(value.substr(pos+1));
223 m_aspect = (double)m_width / (double)m_height;
226 } else if (i->at(5) == X_("codec_type=audio")) { /* new ffprobe */
228 for (std::vector<std::string>::iterator kv = i->begin(); kv != i->end(); ++kv) {
229 const size_t kvsep = kv->find('=');
230 if(kvsep == std::string::npos) continue;
231 std::string key = kv->substr(0, kvsep);
232 std::string value = kv->substr(kvsep + 1);
234 if (key == X_("channels")) {
235 as.channels = atoi(value);
236 } else if (key == X_("index")) {
237 as.stream_id = value;
238 } else if (key == X_("codec_long_name")) {
239 if (!as.name.empty()) as.name += " ";
241 } else if (key == X_("codec_name")) {
242 if (!as.name.empty()) as.name += " ";
244 } else if (key == X_("sample_fmt")) {
245 if (!as.name.empty()) as.name += " ";
246 as.name += "FMT:" + value;
247 } else if (key == X_("sample_rate")) {
248 if (!as.name.empty()) as.name += " ";
249 as.name += "SR:" + value;
253 m_audio.push_back(as);
260 printf("FPS: %f\n", m_fps);
261 printf("Duration: %lu frames\n",(unsigned long)m_duration);
262 printf("W/H: %ix%i\n",m_width, m_height);
263 printf("aspect: %f\n",m_aspect);
264 printf("codec: %s\n",m_codec.c_str());
265 if (m_audio.size() > 0) {
266 for (AudioStreams::iterator it = m_audio.begin(); it < m_audio.end(); ++it) {
267 printf("audio: %s - %i channels\n",(*it).stream_id.c_str(), (*it).channels);
270 printf("audio: no audio streams in file.\n");
277 TranscodeFfmpeg::FFSettings
278 TranscodeFfmpeg::default_encoder_settings ()
280 TranscodeFfmpeg::FFSettings ffs;
282 ffs["-vcodec"] = "mpeg4";
283 ffs["-acodec"] = "ac3";
284 ffs["-b:v"] = "5000k";
285 ffs["-b:a"] = "160k";
289 TranscodeFfmpeg::FFSettings
290 TranscodeFfmpeg::default_meta_data ()
292 TranscodeFfmpeg::FFSettings ffm;
294 ffm["comment"] = "Created with ardour";
299 TranscodeFfmpeg::format_metadata (std::string key, std::string value)
301 size_t start_pos = 0;
302 std::string v1 = value;
303 while((start_pos = v1.find_first_not_of(
304 "abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789(),.\"'",
305 start_pos)) != std::string::npos)
307 v1.replace(start_pos, 1, "_");
312 while((start_pos = v1.find("\"", start_pos)) != std::string::npos) {
313 v1.replace(start_pos, 1, "\\\"");
317 size_t len = key.length() + v1.length() + 4;
318 char *mds = (char*) calloc(len, sizeof(char));
319 snprintf(mds, len, "%s=\"%s\"", key.c_str(), v1.c_str());
324 TranscodeFfmpeg::encode (std::string outfile, std::string inf_a, std::string inf_v, TranscodeFfmpeg::FFSettings ffs, TranscodeFfmpeg::FFSettings meta, bool map)
326 #define MAX_FFMPEG_ENCODER_ARGS (100)
330 argp=(char**) calloc(MAX_FFMPEG_ENCODER_ARGS,sizeof(char*));
331 argp[a++] = strdup(ffmpeg_exe.c_str());
332 if (m_avoffset < 0 || m_avoffset > 0) {
333 std::ostringstream osstream; osstream << m_avoffset;
334 argp[a++] = strdup("-itsoffset");
335 argp[a++] = strdup(osstream.str().c_str());
337 argp[a++] = strdup("-i");
338 argp[a++] = strdup(inf_v.c_str());
340 argp[a++] = strdup("-i");
341 argp[a++] = strdup(inf_a.c_str());
343 for(TranscodeFfmpeg::FFSettings::const_iterator it = ffs.begin(); it != ffs.end(); ++it) {
344 argp[a++] = strdup(it->first.c_str());
345 argp[a++] = strdup(it->second.c_str());
347 for(TranscodeFfmpeg::FFSettings::const_iterator it = meta.begin(); it != meta.end(); ++it) {
348 argp[a++] = strdup("-metadata");
349 argp[a++] = format_metadata(it->first.c_str(), it->second.c_str());
353 m_lead_in = rint (m_lead_in * m_fps) / m_fps;
354 m_lead_out = rint (m_lead_out * m_fps) / m_fps;
357 if (m_lead_in != 0 && m_lead_out != 0) {
358 std::ostringstream osstream;
359 argp[a++] = strdup("-vf");
360 osstream << X_("color=c=black:s=") << m_width << X_("x") << m_height << X_(":d=") << m_lead_in;
361 if (!m_sar.empty()) osstream << X_(":sar=") << m_sar;
362 osstream << X_(" [pre]; ");
363 osstream << X_("color=c=black:s=") << m_width << X_("x") << m_height << X_(":d=") << m_lead_out;
364 if (!m_sar.empty()) osstream << X_(":sar=") << m_sar;
365 osstream << X_(" [post]; ");
366 osstream << X_("[pre] [in] [post] concat=n=3");
367 argp[a++] = strdup(osstream.str().c_str());
368 } else if (m_lead_in != 0) {
369 std::ostringstream osstream;
370 argp[a++] = strdup("-vf");
371 osstream << X_("color=c=black:s=") << m_width << X_("x") << m_height << X_(":d=") << m_lead_in;
372 if (!m_sar.empty()) osstream << X_(":sar=") << m_sar;
373 osstream << X_(" [pre]; ");
374 osstream << X_("[pre] [in] concat=n=2");
375 argp[a++] = strdup(osstream.str().c_str());
376 } else if (m_lead_out != 0) {
377 std::ostringstream osstream;
378 argp[a++] = strdup("-vf");
379 osstream << X_("color=c=black:s=") << m_width << X_("x") << m_height << X_(":d=") << m_lead_out;
380 if (!m_sar.empty()) osstream << X_(":sar=") << m_sar;
381 osstream << X_(" [post]; ");
382 osstream << X_("[in] [post] concat=n=2");
383 argp[a++] = strdup(osstream.str().c_str());
387 std::ostringstream osstream;
388 argp[a++] = strdup("-map");
389 osstream << X_("0:") << m_videoidx;
390 argp[a++] = strdup(osstream.str().c_str());
391 argp[a++] = strdup("-map");
392 argp[a++] = strdup("1:0");
395 argp[a++] = strdup("-y");
396 argp[a++] = strdup(outfile.c_str());
398 assert(a<MAX_FFMPEG_ENCODER_ARGS);
399 /* Note: these are free()d in ~SystemExec */
401 if (debug_enable) { /* tentative debug mode */
402 printf("EXPORT ENCODE:\n");
403 for (int i=0; i< a; ++i) {
404 printf("%s ", argp[i]);
410 ffcmd = new ARDOUR::SystemExec(ffmpeg_exe, argp);
411 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_v, this, _1 ,_2));
412 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
413 if (ffcmd->start(2)) {
421 TranscodeFfmpeg::extract_audio (std::string outfile, ARDOUR::framecnt_t /*samplerate*/, unsigned int stream)
423 if (!probeok) return false;
424 if (stream >= m_audio.size()) return false;
429 argp=(char**) calloc(15,sizeof(char*));
430 argp[i++] = strdup(ffmpeg_exe.c_str());
431 argp[i++] = strdup("-i");
432 argp[i++] = strdup(infile.c_str());
433 #if 0 /* ffmpeg write original samplerate, use a3/SRC to resample */
434 argp[i++] = strdup("-ar");
435 argp[i] = (char*) calloc(7,sizeof(char)); snprintf(argp[i++], 7, "%"PRId64, samplerate);
437 argp[i++] = strdup("-ac");
438 argp[i] = (char*) calloc(3,sizeof(char)); snprintf(argp[i++], 3, "%i", m_audio.at(stream).channels);
439 argp[i++] = strdup("-map");
440 argp[i] = (char*) calloc(8,sizeof(char)); snprintf(argp[i++], 8, "0:%s", m_audio.at(stream).stream_id.c_str());
441 argp[i++] = strdup("-vn");
442 argp[i++] = strdup("-acodec");
443 argp[i++] = strdup("pcm_f32le");
444 argp[i++] = strdup("-y");
445 argp[i++] = strdup(outfile.c_str());
446 argp[i++] = (char *)0;
447 /* Note: argp is free()d in ~SystemExec */
449 if (debug_enable) { /* tentative debug mode */
450 printf("EXTRACT AUDIO:\n");
451 for (int i=0; i< 14; ++i) {
452 printf("%s ", argp[i]);
458 ffcmd = new ARDOUR::SystemExec(ffmpeg_exe, argp);
459 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_a, this, _1 ,_2));
460 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
461 if (ffcmd->start(2)) {
470 TranscodeFfmpeg::transcode (std::string outfile, const int outw, const int outh, const int kbitps)
472 if (!probeok) return false;
475 int bitrate = kbitps;
479 if (width < 1 || width > m_width) { width = m_width; } /* don't allow upscaling */
480 if (height < 1 || height > m_height) { height = floor(width / m_aspect); }
483 const double bitperpixel = .7; /* avg quality */
484 bitrate = floor(m_fps * width * height * bitperpixel / 10000.0);
486 bitrate = bitrate / 10;
488 if (bitrate < 10) bitrate = 10;
489 if (bitrate > 1000) bitrate = 1000;
491 argp=(char**) calloc(16,sizeof(char*));
492 argp[0] = strdup(ffmpeg_exe.c_str());
493 argp[1] = strdup("-i");
494 argp[2] = strdup(infile.c_str());
495 argp[3] = strdup("-b:v");
496 argp[4] = (char*) calloc(7,sizeof(char)); snprintf(argp[4], 7, "%i0k", bitrate);
497 argp[5] = strdup("-s");
498 argp[6] = (char*) calloc(10,sizeof(char)); snprintf(argp[6], 10, "%ix%i", width, height);
499 argp[7] = strdup("-y");
500 argp[8] = strdup("-vcodec");
501 argp[9] = strdup("mjpeg");
502 argp[10] = strdup("-an");
503 argp[11] = strdup("-intra");
504 argp[12] = strdup("-g");
505 argp[13] = strdup("1");
506 argp[14] = strdup(outfile.c_str());
507 argp[15] = (char *)0;
508 /* Note: these are free()d in ~SystemExec */
510 if (debug_enable) { /* tentative debug mode */
511 printf("TRANSCODE VIDEO:\n");
512 for (int i=0; i< 15; ++i) {
513 printf("%s ", argp[i]);
518 ffcmd = new ARDOUR::SystemExec(ffmpeg_exe, argp);
519 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_v, this, _1 ,_2));
520 ffcmd->Terminated.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffexit, this));
521 if (ffcmd->start(2)) {
529 TranscodeFfmpeg::cancel ()
531 if (!ffcmd || !ffcmd->is_running()) { return;}
532 ffcmd->write_to_stdin("q");
533 #ifdef PLATFORM_WINDOWS
544 TranscodeFfmpeg::ffexit ()
548 Finished(); /* EMIT SIGNAL */
552 TranscodeFfmpeg::ffprobeparse (std::string d, size_t /* s */)
558 TranscodeFfmpeg::ffmpegparse_a (std::string d, size_t /* s */)
561 int h,m,s; char f[7];
562 ARDOUR::framecnt_t p = -1;
564 if (!(t=strstr(d.c_str(), "time="))) { return; }
566 if (sscanf(t+5, "%d:%d:%d.%s",&h,&m,&s,f) == 4) {
567 p = (ARDOUR::framecnt_t) floor( 100.0 * (
571 + atoi(f) / pow((double)10, (int)strlen(f))
573 p = p * m_fps / 100.0;
574 if (p > m_duration ) { p = m_duration; }
575 Progress(p, m_duration); /* EMIT SIGNAL */
577 Progress(0, 0); /* EMIT SIGNAL */
582 TranscodeFfmpeg::ffmpegparse_v (std::string d, size_t /* s */)
584 if (strstr(d.c_str(), "ERROR") || strstr(d.c_str(), "Error") || strstr(d.c_str(), "error")) {
585 warning << "ffmpeg-error: " << d << endmsg;
587 if (strncmp(d.c_str(), "frame=",6)) {
590 d.erase(d.find_last_not_of(" \t\r\n") + 1);
591 printf("ffmpeg: '%s'\n", d.c_str());
594 Progress(0, 0); /* EMIT SIGNAL */
597 ARDOUR::framecnt_t f = atol(d.substr(6));
599 Progress(0, 0); /* EMIT SIGNAL */
601 Progress(f, m_duration); /* EMIT SIGNAL */