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vtl: update ffprobe csv parsing

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This commit is contained in:
Robin Gareus 2013-03-29 11:07:20 +01:00
parent 9274b870ab
commit 47ee22d91d
1 changed files with 80 additions and 93 deletions
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159
gtk2_ardour/transcode_ffmpeg.cc
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@ -98,8 +98,8 @@ TranscodeFfmpeg::probe ()
char **argp; char **argp;
argp=(char**) calloc(7,sizeof(char*)); argp=(char**) calloc(7,sizeof(char*));
argp[0] = strdup(ffprobe_exe.c_str()); argp[0] = strdup(ffprobe_exe.c_str());
argp[1] = strdup("-print_format"); // "-of" ; new version and avprobe compat but avprobe does not yet support csv argp[1] = strdup("-print_format");
argp[2] = strdup("csv"); // TODO use "csv=nk=0" and parse key/value pairs -> ffprobe version agnostic or parse XML or JSON key/value argp[2] = strdup("csv=nk=0");
argp[3] = strdup("-show_format"); argp[3] = strdup("-show_format");
argp[4] = strdup("-show_streams"); argp[4] = strdup("-show_streams");
argp[5] = strdup(infile.c_str()); argp[5] = strdup(infile.c_str());
@ -123,113 +123,100 @@ TranscodeFfmpeg::probe ()
m_codec.clear(); m_codec.clear();
m_audio.clear(); m_audio.clear();
#define PARSE_FRACTIONAL_FPS \
{ \
std::string::size_type pos; \
m_fps = atof(value.c_str()); \
pos = value.find_first_of('/'); \
if (pos != std::string::npos) { \
m_fps = atof(value.substr(0, pos).c_str()) / atof(value.substr(pos+1).c_str()); \
} \
}
for (std::vector<std::vector<std::string> >::iterator i = lines.begin(); i != lines.end(); ++i) { for (std::vector<std::vector<std::string> >::iterator i = lines.begin(); i != lines.end(); ++i) {
if (i->at(0) == X_("format")) { if (i->at(0) == X_("format")) {
/* format,filename,#streams,format-name,format-long-name,start-time,duration,size,bitrate */ /* format,filename,#streams,format-name,format-long-name,start-time,duration,size,bitrate */
} else } else
if (i->at(0) == X_("stream")) { if (i->at(0) == X_("stream")) {
/*--------- Stream format if (i->at(5) == X_("codec_type=video") && m_width == 0) {
* stream,index,codec-name,codec-name-long,PROFILE,
* codec_time_base,codec_tag_string,codec_tag[hex],
* VIDEO:
* width,height,has_b_frames,sample_aspect_ratio,display_aspect_ratio
* pix_fmt,level,
* timecode
* AUDIO:
* sample_fmt,sample_rate,channels,bits_per_sample
*
* all cont'd;
* r_frame_rate,avg_frame_rate,time_base,start_time,duration,
* bit_rate,nb_frames,nb_read_frames,nb_read_packets
*
*---------- Example
* 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
* 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
* 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
* 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
*/
if (i->at(4) == X_("video") && m_width == 0) {
std::string::size_type pos;
m_width = atoi(i->at(8).c_str()); for (std::vector<std::string>::iterator kv = i->begin(); kv != i->end(); ++kv) {
m_height = atoi(i->at(9).c_str()); const size_t kvsep = kv->find('=');
m_codec = i->at(3) + " -- " + i->at(2); if(kvsep == std::string::npos) continue;
m_fps = atof(i->at(17).c_str()); std::string key = kv->substr(0, kvsep);
std::string value = kv->substr(kvsep + 1);
pos = i->at(17).find_first_of('/');
if (pos != std::string::npos) {
m_fps = atof(i->at(17).substr(0, pos).c_str()) / atof(i->at(17).substr(pos+1).c_str());
}
pos = i->at(12).find_first_of(':');
m_aspect = 0;
if (pos != std::string::npos && atof(i->at(12).substr(pos+1).c_str()) != 0) {
m_aspect = atof(i->at(12).substr(0, pos).c_str()) / atof(i->at(12).substr(pos+1).c_str());
}
if (m_aspect == 0) {
m_aspect = (double)m_width / (double)m_height;
}
if (key == X_("width")) {
m_width = atoi(value.c_str());
} else if (key == X_("height")) {
m_height = atoi(value.c_str());
} else if (key == X_("codec_name")) {
if (!m_codec.empty()) m_codec += " ";
m_codec += value;
} else if (key == X_("codec_long_name")) {
if (!m_codec.empty()) m_codec += " ";
m_codec += "[" + value + "]";
} else if (key == X_("codec_tag_string")) {
if (!m_codec.empty()) m_codec += " ";
m_codec += "(" + value + ")";
} else if (key == X_("r_frame_rate")) {
PARSE_FRACTIONAL_FPS
} else if (key == X_("time_base") && m_fps == 0) {
PARSE_FRACTIONAL_FPS
} else if (key == X_("timecode") && m_duration == 0) {
int h,m,s; char f[7]; int h,m,s; char f[7];
if (sscanf(i->at(15).c_str(), "%d:%d:%d:%s",&h,&m,&s,f) == 4) { if (sscanf(i->at(16).c_str(), "%d:%d:%d:%s",&h,&m,&s,f) == 4) {
m_duration = (ARDOUR::framecnt_t) floor(m_fps * ( m_duration = (ARDOUR::framecnt_t) floor(m_fps * (
h * 3600.0 h * 3600.0
+ m * 60.0 + m * 60.0
+ s * 1.0 + s * 1.0
+ atoi(f) / pow(10, strlen(f)) + atoi(f) / pow(10, strlen(f))
)); ));
} else {
m_duration = atof(i->at(21).c_str()) * m_fps;
} }
} else if (key == X_("duration_ts")) {
} else if (i->at(4) == X_("audio")) { m_duration = atof(value.c_str());
AudioStream as; } else if (key == X_("duration") && m_duration == 0 && m_fps != 0) {
as.name = i->at(3) + " " + i->at(2) + " " + i->at(8) + " " + i->at(9); m_duration = atof(value.c_str()) * m_fps;
as.stream_id = i->at(1); } else if (key == X_("display_aspect_ratio")) {
as.channels = atoi(i->at(10).c_str());
m_audio.push_back(as);
} else if (i->at(5) == X_("video") && m_width == 0) { /* new ffprobe */
std::string::size_type pos; std::string::size_type pos;
pos = value.find_first_of(':');
m_width = atoi(i->at(9).c_str()); if (pos != std::string::npos && atof(value.substr(pos+1).c_str()) != 0) {
m_height = atoi(i->at(10).c_str()); m_aspect = atof(value.substr(0, pos).c_str()) / atof(value.substr(pos+1).c_str());
m_codec = i->at(3) + " -- " + i->at(2); }
m_fps = atof(i->at(18).c_str()); }
pos = i->at(18).find_first_of('/');
if (pos != std::string::npos) {
m_fps = atof(i->at(18).substr(0, pos).c_str()) / atof(i->at(18).substr(pos+1).c_str());
} }
pos = i->at(13).find_first_of(':');
m_aspect = 0;
if (pos != std::string::npos && atof(i->at(13).substr(pos+1).c_str()) != 0) {
m_aspect = atof(i->at(13).substr(0, pos).c_str()) / atof(i->at(13).substr(pos+1).c_str());
}
if (m_aspect == 0) { if (m_aspect == 0) {
m_aspect = (double)m_width / (double)m_height; m_aspect = (double)m_width / (double)m_height;
} }
int h,m,s; char f[7]; } else if (i->at(5) == X_("codec_type=audio")) { /* new ffprobe */
if (sscanf(i->at(17).c_str(), "%d:%d:%d:%s",&h,&m,&s,f) == 4) { AudioStream as;
m_duration = (ARDOUR::framecnt_t) floor(m_fps * ( for (std::vector<std::string>::iterator kv = i->begin(); kv != i->end(); ++kv) {
h * 3600.0 const size_t kvsep = kv->find('=');
+ m * 60.0 if(kvsep == std::string::npos) continue;
+ s * 1.0 std::string key = kv->substr(0, kvsep);
+ atoi(f) / pow(10, strlen(f)) std::string value = kv->substr(kvsep + 1);
));
} else if (atof(i->at(23).c_str()) != 0) { if (key == X_("channels")) {
m_duration = atof(i->at(23).c_str()); as.channels = atoi(value.c_str());
} else { } else if (key == X_("index")) {
m_duration = atof(i->at(24).c_str()) * m_fps; as.stream_id = value;
} else if (key == X_("codec_long_name")) {
if (!as.name.empty()) as.name += " ";
as.name += value;
} else if (key == X_("codec_name")) {
if (!as.name.empty()) as.name += " ";
as.name += value;
} else if (key == X_("sample_fmt")) {
if (!as.name.empty()) as.name += " ";
as.name += "FMT:" + value;
} else if (key == X_("sample_rate")) {
if (!as.name.empty()) as.name += " ";
as.name += "SR:" + value;
} }
} else if (i->at(5) == X_("audio")) { /* new ffprobe */ }
AudioStream as;
as.name = i->at(3) + " " + i->at(2) + " " + i->at(9) + " " + i->at(10);
as.stream_id = i->at(1);
as.channels = atoi(i->at(11).c_str());
m_audio.push_back(as); m_audio.push_back(as);
} }
} }
@ -241,7 +228,7 @@ TranscodeFfmpeg::probe ()
while (ffcmd && --timeout) usleep (1000); // wait until 'ffprobe' terminated. while (ffcmd && --timeout) usleep (1000); // wait until 'ffprobe' terminated.
if (timeout == 0) return false; if (timeout == 0) return false;
#if 0 /* DEBUG */ #if 1 /* DEBUG */
printf("FPS: %f\n", m_fps); printf("FPS: %f\n", m_fps);
printf("Duration: %lu frames\n",(unsigned long)m_duration); printf("Duration: %lu frames\n",(unsigned long)m_duration);
printf("W/H: %ix%i\n",m_width, m_height); printf("W/H: %ix%i\n",m_width, m_height);