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"
32 #include "video_tool_paths.h"
37 using namespace VideoUtils;
39 TranscodeFfmpeg::TranscodeFfmpeg (std::string f)
45 m_avoffset = m_lead_in = m_lead_out = 0;
46 m_width = m_height = 0;
49 #if 1 /* tentative debug mode */
53 if (!ArdourVideoToolPaths::transcoder_exe(ffmpeg_exe, ffprobe_exe)) {
54 warning << string_compose(
56 "ffmpeg installation was not found on this system.\n"
57 "%1 requires ffmpeg and ffprobe from ffmpeg.org - version 1.1 or newer.\n"
58 "Video import and export is not possible until you install tools.\n"
60 "The tools are included with the %1 releases from ardour.org "
61 "and also available with the video-server at http://x42.github.com/harvid/\n"
63 "Important: the files need to be installed in $PATH and named ffmpeg_harvid and ffprobe_harvid.\n"
64 "If you already have a suitable ffmpeg installation on your system, we recommend creating "
65 "symbolic links from ffmpeg to ffmpeg_harvid and from ffprobe to ffprobe_harvid.\n"
67 "see also http://manual.ardour.org/video-timeline/setup/"
68 ), PROGRAM_NAME) << endmsg;
73 if (infile.empty() || !probe()) {
79 TranscodeFfmpeg::~TranscodeFfmpeg ()
85 TranscodeFfmpeg::probe ()
89 argp=(char**) calloc(7,sizeof(char*));
90 argp[0] = strdup(ffprobe_exe.c_str());
91 argp[1] = strdup("-print_format");
92 argp[2] = strdup("csv=nk=0");
93 argp[3] = strdup("-show_format");
94 argp[4] = strdup("-show_streams");
95 argp[5] = strdup(infile.c_str());
97 ffcmd = new ARDOUR::SystemExec(ffprobe_exe, argp);
98 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffprobeparse, this, _1 ,_2));
99 ffcmd->Terminated.connect (*this, invalidator (*this), boost::bind (&TranscodeFfmpeg::ffexit, this), gui_context());
100 if (ffcmd->start(1)) {
105 /* wait for ffprobe process to exit */
108 /* wait for interposer thread to copy all data.
109 * SystemExec::Terminated is emitted and ffcmd set to NULL */
110 int timeout = 300; // 1.5 sec
111 while (ffcmd && --timeout > 0) {
115 if (timeout == 0 || ffoutput.empty()) {
121 std::vector<std::vector<std::string> > lines;
122 ParseCSV(ffoutput, lines);
124 m_width = m_height = 0;
125 m_fps = m_aspect = 0;
131 #define PARSE_FRACTIONAL_FPS(VAR) \
133 std::string::size_type pos; \
135 pos = value.find_first_of('/'); \
136 if (pos != std::string::npos) { \
137 VAR = atof(value.substr(0, pos)) / atof(value.substr(pos+1)); \
141 std::string duration_from_format;
143 for (std::vector<std::vector<std::string> >::iterator i = lines.begin(); i != lines.end(); ++i) {
144 if (i->at(0) == X_("format")) {
145 /* format,filename,#streams,format-name,format-long-name,start-time,duration,size,bitrate */
146 for (std::vector<std::string>::iterator kv = i->begin(); kv != i->end(); ++kv) {
147 const size_t kvsep = kv->find('=');
148 if(kvsep == std::string::npos) continue;
149 std::string key = kv->substr(0, kvsep);
150 std::string value = kv->substr(kvsep + 1);
151 if (key == X_("duration")) {
152 duration_from_format = value;
156 if (i->at(0) == X_("stream")) {
157 if (i->at(5) == X_("codec_type=video") && m_width == 0) {
159 for (std::vector<std::string>::iterator kv = i->begin(); kv != i->end(); ++kv) {
160 const size_t kvsep = kv->find('=');
161 if(kvsep == std::string::npos) continue;
162 std::string key = kv->substr(0, kvsep);
163 std::string value = kv->substr(kvsep + 1);
165 if (key == X_("index")) {
166 m_videoidx = atoi(value);
167 } else if (key == X_("width")) {
168 m_width = atoi(value);
169 } else if (key == X_("height")) {
170 m_height = atoi(value);
171 } else if (key == X_("codec_name")) {
172 if (!m_codec.empty()) m_codec += " ";
174 } else if (key == X_("codec_long_name")) {
175 if (!m_codec.empty()) m_codec += " ";
176 m_codec += "[" + value + "]";
177 } else if (key == X_("codec_tag_string")) {
178 if (!m_codec.empty()) m_codec += " ";
179 m_codec += "(" + value + ")";
180 } else if (key == X_("r_frame_rate")) {
181 PARSE_FRACTIONAL_FPS(m_fps)
182 } else if (key == X_("avg_frame_rate") && m_fps == 0) {
183 PARSE_FRACTIONAL_FPS(m_fps)
184 } else if (key == X_("time_base")) {
185 PARSE_FRACTIONAL_FPS(timebase)
186 } else if (key == X_("timecode") && m_duration == 0 && m_fps > 0) {
187 int h,m,s; char f[32];
188 if (sscanf(i->at(16).c_str(), "%d:%d:%d:%32s",&h,&m,&s,f) == 4) {
189 m_duration = (ARDOUR::framecnt_t) floor(m_fps * (
193 + atoi(f) / pow((double)10, (int)strlen(f))
196 } else if (key == X_("duration_ts") && m_fps == 0 && timebase !=0 ) {
197 m_duration = atof(value) * m_fps * timebase;
198 } else if (key == X_("duration") && m_fps != 0 && m_duration == 0) {
199 m_duration = atof(value) * m_fps;
200 } else if (key == X_("sample_aspect_ratio")) {
201 std::string::size_type pos;
202 pos = value.find_first_of(':');
203 if (pos != std::string::npos && atof(value.substr(pos+1)) != 0) {
205 m_sar.replace(pos, 1, "/");
207 } else if (key == X_("display_aspect_ratio")) {
208 std::string::size_type pos;
209 pos = value.find_first_of(':');
210 if (pos != std::string::npos && atof(value.substr(pos+1)) != 0) {
211 m_aspect = atof(value.substr(0, pos)) / atof(value.substr(pos+1));
217 m_aspect = (double)m_width / (double)m_height;
220 } else if (i->at(5) == X_("codec_type=audio")) { /* new ffprobe */
222 for (std::vector<std::string>::iterator kv = i->begin(); kv != i->end(); ++kv) {
223 const size_t kvsep = kv->find('=');
224 if(kvsep == std::string::npos) continue;
225 std::string key = kv->substr(0, kvsep);
226 std::string value = kv->substr(kvsep + 1);
228 if (key == X_("channels")) {
229 as.channels = atoi(value);
230 } else if (key == X_("index")) {
231 as.stream_id = value;
232 } else if (key == X_("codec_long_name")) {
233 if (!as.name.empty()) as.name += " ";
235 } else if (key == X_("codec_name")) {
236 if (!as.name.empty()) as.name += " ";
238 } else if (key == X_("sample_fmt")) {
239 if (!as.name.empty()) as.name += " ";
240 as.name += "FMT:" + value;
241 } else if (key == X_("sample_rate")) {
242 if (!as.name.empty()) as.name += " ";
243 as.name += "SR:" + value;
247 m_audio.push_back(as);
253 if (m_duration == 0 && !duration_from_format.empty() && m_fps > 0) {
254 warning << "using video-duration from format (container)." << endmsg;
255 m_duration = atof(duration_from_format) * m_fps;
259 printf("FPS: %f\n", m_fps);
260 printf("Duration: %lu frames\n",(unsigned long)m_duration);
261 printf("W/H: %ix%i\n",m_width, m_height);
262 printf("aspect: %f\n",m_aspect);
263 printf("codec: %s\n",m_codec.c_str());
264 if (m_audio.size() > 0) {
265 for (AudioStreams::iterator it = m_audio.begin(); it < m_audio.end(); ++it) {
266 printf("audio: %s - %i channels\n",(*it).stream_id.c_str(), (*it).channels);
269 printf("audio: no audio streams in file.\n");
276 TranscodeFfmpeg::FFSettings
277 TranscodeFfmpeg::default_encoder_settings ()
279 TranscodeFfmpeg::FFSettings ffs;
281 ffs["-vcodec"] = "mpeg4";
282 ffs["-acodec"] = "ac3";
283 ffs["-b:v"] = "5000k";
284 ffs["-b:a"] = "160k";
288 TranscodeFfmpeg::FFSettings
289 TranscodeFfmpeg::default_meta_data ()
291 TranscodeFfmpeg::FFSettings ffm;
293 ffm["comment"] = "Created with " PROGRAM_NAME;
298 TranscodeFfmpeg::format_metadata (std::string key, std::string value)
300 size_t start_pos = 0;
301 std::string v1 = value;
302 while((start_pos = v1.find_first_not_of(
303 "abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789(),.\"'",
304 start_pos)) != std::string::npos)
306 v1.replace(start_pos, 1, "_");
311 while((start_pos = v1.find("\"", start_pos)) != std::string::npos) {
312 v1.replace(start_pos, 1, "\\\"");
316 size_t len = key.length() + v1.length() + 4;
317 char *mds = (char*) calloc(len, sizeof(char));
318 #ifdef PLATFORM_WINDOWS
319 /* SystemExec::make_wargs() adds quotes around the complete argument
320 * windows uses CreateProcess() with a parameter string
321 * (and not an array list of separate arguments)
323 snprintf(mds, len, "%s=%s", key.c_str(), v1.c_str());
325 snprintf(mds, len, "%s=\"%s\"", key.c_str(), v1.c_str());
331 TranscodeFfmpeg::encode (std::string outfile, std::string inf_a, std::string inf_v, TranscodeFfmpeg::FFSettings ffs, TranscodeFfmpeg::FFSettings meta, bool map)
333 #define MAX_FFMPEG_ENCODER_ARGS (100)
337 argp=(char**) calloc(MAX_FFMPEG_ENCODER_ARGS,sizeof(char*));
338 argp[a++] = strdup(ffmpeg_exe.c_str());
339 if (m_avoffset < 0 || m_avoffset > 0) {
340 std::ostringstream osstream; osstream << m_avoffset;
341 argp[a++] = strdup("-itsoffset");
342 argp[a++] = strdup(osstream.str().c_str());
344 argp[a++] = strdup("-i");
345 argp[a++] = strdup(inf_v.c_str());
347 argp[a++] = strdup("-i");
348 argp[a++] = strdup(inf_a.c_str());
350 for(TranscodeFfmpeg::FFSettings::const_iterator it = ffs.begin(); it != ffs.end(); ++it) {
351 argp[a++] = strdup(it->first.c_str());
352 argp[a++] = strdup(it->second.c_str());
354 for(TranscodeFfmpeg::FFSettings::const_iterator it = meta.begin(); it != meta.end(); ++it) {
355 argp[a++] = strdup("-metadata");
356 argp[a++] = format_metadata(it->first.c_str(), it->second.c_str());
360 m_lead_in = rint (m_lead_in * m_fps) / m_fps;
361 m_lead_out = rint (m_lead_out * m_fps) / m_fps;
364 if (m_lead_in != 0 && m_lead_out != 0) {
365 std::ostringstream osstream;
366 argp[a++] = strdup("-vf");
367 osstream << X_("color=c=black:s=") << m_width << X_("x") << m_height << X_(":d=") << m_lead_in;
368 if (!m_sar.empty()) osstream << X_(":sar=") << m_sar;
369 osstream << X_(" [pre]; ");
370 osstream << X_("color=c=black:s=") << m_width << X_("x") << m_height << X_(":d=") << m_lead_out;
371 if (!m_sar.empty()) osstream << X_(":sar=") << m_sar;
372 osstream << X_(" [post]; ");
373 osstream << X_("[pre] [in] [post] concat=n=3");
374 argp[a++] = strdup(osstream.str().c_str());
375 } else if (m_lead_in != 0) {
376 std::ostringstream osstream;
377 argp[a++] = strdup("-vf");
378 osstream << X_("color=c=black:s=") << m_width << X_("x") << m_height << X_(":d=") << m_lead_in;
379 if (!m_sar.empty()) osstream << X_(":sar=") << m_sar;
380 osstream << X_(" [pre]; ");
381 osstream << X_("[pre] [in] concat=n=2");
382 argp[a++] = strdup(osstream.str().c_str());
383 } else if (m_lead_out != 0) {
384 std::ostringstream osstream;
385 argp[a++] = strdup("-vf");
386 osstream << X_("color=c=black:s=") << m_width << X_("x") << m_height << X_(":d=") << m_lead_out;
387 if (!m_sar.empty()) osstream << X_(":sar=") << m_sar;
388 osstream << X_(" [post]; ");
389 osstream << X_("[in] [post] concat=n=2");
390 argp[a++] = strdup(osstream.str().c_str());
394 std::ostringstream osstream;
395 argp[a++] = strdup("-map");
396 osstream << X_("0:") << m_videoidx;
397 argp[a++] = strdup(osstream.str().c_str());
398 argp[a++] = strdup("-map");
399 argp[a++] = strdup("1:0");
402 argp[a++] = strdup("-y");
403 argp[a++] = strdup(outfile.c_str());
405 assert(a<MAX_FFMPEG_ENCODER_ARGS);
406 /* Note: these are free()d in ~SystemExec */
408 if (debug_enable) { /* tentative debug mode */
409 printf("EXPORT ENCODE:\n");
410 for (int i=0; i< a; ++i) {
411 printf("%s ", argp[i]);
417 ffcmd = new ARDOUR::SystemExec(ffmpeg_exe, argp);
418 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_v, this, _1 ,_2));
419 ffcmd->Terminated.connect (*this, invalidator (*this), boost::bind (&TranscodeFfmpeg::ffexit, this), gui_context());
420 if (ffcmd->start(2)) {
428 TranscodeFfmpeg::extract_audio (std::string outfile, ARDOUR::framecnt_t /*samplerate*/, unsigned int stream)
430 if (!probeok) return false;
431 if (stream >= m_audio.size()) return false;
436 argp=(char**) calloc(15,sizeof(char*));
437 argp[i++] = strdup(ffmpeg_exe.c_str());
438 argp[i++] = strdup("-i");
439 argp[i++] = strdup(infile.c_str());
440 #if 0 /* ffmpeg write original samplerate, use a3/SRC to resample */
441 argp[i++] = strdup("-ar");
442 argp[i] = (char*) calloc(7,sizeof(char)); snprintf(argp[i++], 7, "%"PRId64, samplerate);
444 argp[i++] = strdup("-ac");
445 argp[i] = (char*) calloc(3,sizeof(char)); snprintf(argp[i++], 3, "%i", m_audio.at(stream).channels);
446 argp[i++] = strdup("-map");
447 argp[i] = (char*) calloc(8,sizeof(char)); snprintf(argp[i++], 8, "0:%s", m_audio.at(stream).stream_id.c_str());
448 argp[i++] = strdup("-vn");
449 argp[i++] = strdup("-acodec");
450 argp[i++] = strdup("pcm_f32le");
451 argp[i++] = strdup("-y");
452 argp[i++] = strdup(outfile.c_str());
453 argp[i++] = (char *)0;
454 /* Note: argp is free()d in ~SystemExec */
456 if (debug_enable) { /* tentative debug mode */
457 printf("EXTRACT AUDIO:\n");
458 for (int i=0; i< 14; ++i) {
459 printf("%s ", argp[i]);
465 ffcmd = new ARDOUR::SystemExec(ffmpeg_exe, argp);
466 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_a, this, _1 ,_2));
467 ffcmd->Terminated.connect (*this, invalidator (*this), boost::bind (&TranscodeFfmpeg::ffexit, this), gui_context());
468 if (ffcmd->start(2)) {
477 TranscodeFfmpeg::transcode (std::string outfile, const int outw, const int outh, const int kbitps)
479 if (!probeok) return false;
482 int bitrate = kbitps;
486 if (width < 1 || width > m_width) { width = m_width; } /* don't allow upscaling */
487 if (height < 1 || height > m_height) { height = floor(width / m_aspect); }
490 const double bitperpixel = .7; /* avg quality */
491 bitrate = floor(m_fps * width * height * bitperpixel / 10000.0);
493 bitrate = bitrate / 10;
495 if (bitrate < 10) bitrate = 10;
496 if (bitrate > 1000) bitrate = 1000;
498 argp=(char**) calloc(16,sizeof(char*));
499 argp[0] = strdup(ffmpeg_exe.c_str());
500 argp[1] = strdup("-i");
501 argp[2] = strdup(infile.c_str());
502 argp[3] = strdup("-b:v");
503 argp[4] = (char*) calloc(7,sizeof(char)); snprintf(argp[4], 7, "%i0k", bitrate);
504 argp[5] = strdup("-s");
505 argp[6] = (char*) calloc(10,sizeof(char)); snprintf(argp[6], 10, "%ix%i", width, height);
506 argp[7] = strdup("-y");
507 argp[8] = strdup("-vcodec");
508 argp[9] = strdup("mjpeg");
509 argp[10] = strdup("-an");
510 argp[11] = strdup("-intra");
511 argp[12] = strdup("-g");
512 argp[13] = strdup("1");
513 argp[14] = strdup(outfile.c_str());
514 argp[15] = (char *)0;
515 /* Note: these are free()d in ~SystemExec */
517 if (debug_enable) { /* tentative debug mode */
518 printf("TRANSCODE VIDEO:\n");
519 for (int i=0; i< 15; ++i) {
520 printf("%s ", argp[i]);
525 ffcmd = new ARDOUR::SystemExec(ffmpeg_exe, argp);
526 ffcmd->ReadStdout.connect_same_thread (*this, boost::bind (&TranscodeFfmpeg::ffmpegparse_v, this, _1 ,_2));
527 ffcmd->Terminated.connect (*this, invalidator (*this), boost::bind (&TranscodeFfmpeg::ffexit, this), gui_context());
528 if (ffcmd->start(2)) {
536 TranscodeFfmpeg::cancel ()
538 if (!ffcmd || !ffcmd->is_running()) { return;}
539 ffcmd->write_to_stdin("q");
540 #ifdef PLATFORM_WINDOWS
551 TranscodeFfmpeg::ffexit ()
555 Finished(); /* EMIT SIGNAL */
559 TranscodeFfmpeg::ffprobeparse (std::string d, size_t /* s */)
565 TranscodeFfmpeg::ffmpegparse_a (std::string d, size_t /* s */)
568 int h,m,s; char f[7];
569 ARDOUR::framecnt_t p = -1;
571 if (!(t=strstr(d.c_str(), "time="))) { return; }
573 if (sscanf(t+5, "%d:%d:%d.%s",&h,&m,&s,f) == 4) {
574 p = (ARDOUR::framecnt_t) floor( 100.0 * (
578 + atoi(f) / pow((double)10, (int)strlen(f))
580 p = p * m_fps / 100.0;
581 if (p > m_duration ) { p = m_duration; }
582 Progress(p, m_duration); /* EMIT SIGNAL */
584 Progress(0, 0); /* EMIT SIGNAL */
589 TranscodeFfmpeg::ffmpegparse_v (std::string d, size_t /* s */)
591 if (strstr(d.c_str(), "ERROR") || strstr(d.c_str(), "Error") || strstr(d.c_str(), "error")) {
592 warning << "ffmpeg-error: " << d << endmsg;
594 if (strncmp(d.c_str(), "frame=",6)) {
597 d.erase(d.find_last_not_of(" \t\r\n") + 1);
598 printf("ffmpeg: '%s'\n", d.c_str());
601 Progress(0, 0); /* EMIT SIGNAL */
604 ARDOUR::framecnt_t f = atol(d.substr(6));
606 Progress(0, 0); /* EMIT SIGNAL */
608 Progress(f, m_duration); /* EMIT SIGNAL */