void AVI_info(avi_t *avifile)
{
long frames, rate, mp3rate, chunks, tot_bytes;
int width, height, format, chan, bits;
int j, tracks, tmp;
double fps;
char *codec;
frames = AVI_video_frames(avifile);
width = AVI_video_width(avifile);
height = AVI_video_height(avifile);
fps = AVI_frame_rate(avifile);
codec = AVI_video_compressor(avifile);
printf("[avilib] V: %6.3f fps, codec=%s, frames=%ld, width=%d, height=%d\n", fps, ((strlen(codec)==0)? "RGB": codec), frames, width, height);
tracks=AVI_audio_tracks(avifile);
tmp=AVI_get_audio_track(avifile);
for(j=0; j<tracks; ++j) {
AVI_set_audio_track(avifile, j);
rate = AVI_audio_rate(avifile);
format = AVI_audio_format(avifile);
chan = AVI_audio_channels(avifile);
bits = AVI_audio_bits(avifile);
mp3rate= AVI_audio_mp3rate(avifile);
chunks = AVI_audio_chunks(avifile);
tot_bytes = AVI_audio_bytes(avifile);
if(chan>0) {
printf("[avilib] A: %ld Hz, format=0x%02x, bits=%d, channels=%d, bitrate=%ld kbps,\n", rate, format, bits, chan, mp3rate);
printf("[avilib] %ld chunks, %ld bytes, %s\n", chunks, tot_bytes, (AVI_get_audio_vbr(avifile)?"VBR":"CBR"));
} else
printf("[avilib] A: no audio track found\n");
}
AVI_set_audio_track(avifile, tmp); //reset
}
generic_packetizer_c *
avi_reader_c::create_aac_packetizer(int aid,
avi_demuxer_t &demuxer) {
int profile, channels, sample_rate, output_sample_rate;
bool is_sbr;
bool headerless = (AVI_audio_format(m_avi) != 0x706d);
if (!m_ti.m_private_data
|| ( (0x706d == AVI_audio_format(m_avi))
&& ((sizeof(alWAVEFORMATEX) + 7) < m_ti.m_private_data->get_size()))) {
channels = AVI_audio_channels(m_avi);
sample_rate = AVI_audio_rate(m_avi);
if (44100 > sample_rate) {
profile = AAC_PROFILE_SBR;
output_sample_rate = sample_rate * 2;
is_sbr = true;
} else {
profile = AAC_PROFILE_MAIN;
output_sample_rate = sample_rate;
is_sbr = false;
}
unsigned char created_aac_data[AAC_MAX_PRIVATE_DATA_SIZE];
auto size = create_aac_data(created_aac_data, profile, channels, sample_rate, output_sample_rate, is_sbr);
m_ti.m_private_data = memory_c::clone(created_aac_data, size);
} else {
if (!parse_aac_data(m_ti.m_private_data->get_buffer(), m_ti.m_private_data->get_size(), profile, channels, sample_rate, output_sample_rate, is_sbr))
mxerror_tid(m_ti.m_fname, aid + 1, Y("This AAC track does not contain valid headers. Could not parse the AAC information.\n"));
if (is_sbr)
profile = AAC_PROFILE_SBR;
}
demuxer.m_samples_per_second = sample_rate;
demuxer.m_channels = channels;
generic_packetizer_c *packetizer = new aac_packetizer_c(this, m_ti, AAC_ID_MPEG4, profile, demuxer.m_samples_per_second, demuxer.m_channels, false, headerless);
if (is_sbr)
packetizer->set_audio_output_sampling_freq(output_sample_rate);
return packetizer;
}
static void init_avi_data(AVIData *data, avi_t *AVI)
{
if (AVI && data) {
data->vbr = AVI_get_audio_vbr(AVI);
data->mp3rate = AVI_audio_mp3rate(AVI);
data->format = AVI_audio_format(AVI);
data->chan = AVI_audio_channels(AVI);
data->rate = AVI_audio_rate(AVI);
data->bits = AVI_audio_bits(AVI);
data->bits = (data->bits == 0) ?16 :data->bits;
if (data->format == 0x1) { /* FIXME */
data->mp3rate = data->rate * data->chan * data->bits;
} else {
data->mp3rate *= 1000; /* FIXME */
}
}
return;
}
void
avi_reader_c::identify_audio() {
int i;
for (i = 0; i < AVI_audio_tracks(m_avi); i++) {
AVI_set_audio_track(m_avi, i);
auto info = mtx::id::info_c{};
info.add(mtx::id::audio_channels, AVI_audio_channels(m_avi));
info.add(mtx::id::audio_sampling_frequency, AVI_audio_rate(m_avi));
info.add(mtx::id::audio_bits_per_sample, AVI_audio_bits(m_avi));
unsigned int audio_format = AVI_audio_format(m_avi);
alWAVEFORMATEX *wfe = m_avi->wave_format_ex[i];
if ((0xfffe == audio_format) && (get_uint16_le(&wfe->cb_size) >= (sizeof(alWAVEFORMATEXTENSION)))) {
alWAVEFORMATEXTENSIBLE *ext = reinterpret_cast<alWAVEFORMATEXTENSIBLE *>(wfe);
audio_format = get_uint32_le(&ext->extension.guid.data1);
}
auto codec = codec_c::look_up_audio_format(audio_format);
id_result_track(i + 1, ID_RESULT_TRACK_AUDIO, codec.get_name((boost::format("unsupported (0x%|1$04x|)") % audio_format).str()), info.get());
}
}
void
avi_reader_c::add_audio_demuxer(int aid) {
for (auto &demuxer : m_audio_demuxers)
if (demuxer.m_aid == aid) // Demuxer already added?
return;
AVI_set_audio_track(m_avi, aid);
if (AVI_read_audio_chunk(m_avi, nullptr) < 0) {
mxwarn(boost::format(Y("Could not find an index for audio track %1% (avilib error message: %2%). Skipping track.\n")) % (aid + 1) % AVI_strerror());
return;
}
avi_demuxer_t demuxer;
generic_packetizer_c *packetizer = nullptr;
alWAVEFORMATEX *wfe = m_avi->wave_format_ex[aid];
uint32_t audio_format = AVI_audio_format(m_avi);
demuxer.m_aid = aid;
demuxer.m_ptzr = -1;
demuxer.m_samples_per_second = AVI_audio_rate(m_avi);
demuxer.m_channels = AVI_audio_channels(m_avi);
demuxer.m_bits_per_sample = AVI_audio_bits(m_avi);
m_ti.m_id = aid + 1; // ID for this audio track.
m_ti.m_avi_block_align = get_uint16_le(&wfe->n_block_align);
m_ti.m_avi_avg_bytes_per_sec = get_uint32_le(&wfe->n_avg_bytes_per_sec);
m_ti.m_avi_samples_per_chunk = get_uint32_le(&m_avi->stream_headers[aid].dw_scale);
m_ti.m_avi_sample_scale = get_uint32_le(&m_avi->stream_headers[aid].dw_rate);
m_ti.m_avi_samples_per_sec = demuxer.m_samples_per_second;
if ((0xfffe == audio_format) && (get_uint16_le(&wfe->cb_size) >= (sizeof(alWAVEFORMATEXTENSION)))) {
alWAVEFORMATEXTENSIBLE *ext = reinterpret_cast<alWAVEFORMATEXTENSIBLE *>(wfe);
audio_format = get_uint32_le(&ext->extension.guid.data1);
} else if (get_uint16_le(&wfe->cb_size) > 0)
m_ti.m_private_data = memory_c::clone(wfe + 1, get_uint16_le(&wfe->cb_size));
else
m_ti.m_private_data.reset();
switch(audio_format) {
case 0x0001: // raw PCM audio
case 0x0003: // raw PCM audio (float)
packetizer = new pcm_packetizer_c(this, m_ti, demuxer.m_samples_per_second, demuxer.m_channels, demuxer.m_bits_per_sample, 0x0003 == audio_format ? pcm_packetizer_c::ieee_float : pcm_packetizer_c::little_endian_integer);
break;
case 0x0050: // MP2
case 0x0055: // MP3
packetizer = new mp3_packetizer_c(this, m_ti, demuxer.m_samples_per_second, demuxer.m_channels, false);
break;
case 0x2000: // AC3
packetizer = new ac3_packetizer_c(this, m_ti, demuxer.m_samples_per_second, demuxer.m_channels, 0);
break;
case 0x2001: // DTS
packetizer = create_dts_packetizer(aid);
break;
case 0x00ff:
case 0x706d: // AAC
packetizer = create_aac_packetizer(aid, demuxer);
break;
case 0x566f: // Vorbis
packetizer = create_vorbis_packetizer(aid);
break;
default:
mxerror_tid(m_ti.m_fname, aid + 1, boost::format(Y("Unknown/unsupported audio format 0x%|1$04x| for this audio track.\n")) % audio_format);
}
show_packetizer_info(aid + 1, packetizer);
demuxer.m_ptzr = add_packetizer(packetizer);
m_audio_demuxers.push_back(demuxer);
int i, maxchunks = AVI_audio_chunks(m_avi);
for (i = 0; i < maxchunks; i++)
m_bytes_to_process += AVI_audio_size(m_avi, i);
}
/*
* avi2raw
* required arg1 should be the input AVI file
* required arg2 should be the output RAW file
*/
int main(int argc, char** argv)
{
/* configurable variables from command line */
bool extractVideo = TRUE; /* FALSE implies extract audio */
u_int32_t start = 0; /* secs, start offset */
u_int32_t duration = 0; /* secs, 0 implies entire file */
bool quiet = FALSE;
/* internal variables */
char* aviFileName = NULL;
char* rawFileName = NULL;
avi_t* aviFile = NULL;
FILE* rawFile = NULL;
int verbose = FALSE;
u_int32_t numBytes, totBytes = 0;
bool eliminate_short_frames = FALSE;
uint32_t short_frames_len;
/* begin process command line */
progName = argv[0];
while (1) {
int c = -1;
int option_index = 0;
static struct option long_options[] = {
{ "audio", 0, 0, 'a' },
{ "eliminate-short-frames", optional_argument, 0, 'e'},
{ "length", 1, 0, 'l' },
{ "quiet", 0, 0, 'q' },
{ "start", 1, 0, 's' },
{ "video", 0, 0, 'v' },
{ "version", 0, 0, 'V'},
{ "verbose", 0, 0, 'R'},
{ "help", 0, 0, 'h'},
{ NULL, 0, 0, 0 }
};
c = getopt_long_only(argc, argv, "ael:qs:vVh",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 'h':
fprintf(stderr, "%s - %s version %s\n", progName,
MPEG4IP_PACKAGE, MPEG4IP_VERSION);
fprintf(stderr, "options:\n");
fprintf(stderr, " --audio - extract audio track\n");
fprintf(stderr, " --length <length> - extract <length> secs\n");
fprintf(stderr, " --quiet - quiet mode\n");
fprintf(stderr, " --start <time> - extract from <start> time\n");
fprintf(stderr, " --video - extract video track\n");
fprintf(stderr, " --eliminate-short-frames <bytes> - eliminate short frames of bytes or less - default 4\n");
return 0;
case 'a': {
extractVideo = FALSE;
break;
}
case 'e':
eliminate_short_frames = TRUE;
if (optarg) {
if (optarg[0] == '=') optarg[0] = ' ';
if (sscanf(optarg, "%u", &short_frames_len) != 1) {
fprintf(stderr, "%s:bad eliminate length %s\n",
progName, optarg);
}
} else {
short_frames_len = 4;
}
break;
case 'l': {
/* --length=<secs> */
u_int i;
if (sscanf(optarg, "%u", &i) < 1) {
fprintf(stderr,
"%s: bad length specified: %s\n",
progName, optarg);
} else {
duration = i;
}
break;
}
case 'q': {
quiet = TRUE;
break;
}
case 's': {
/* --start=<secs> */
u_int i;
if (sscanf(optarg, "%u", &i) < 1) {
fprintf(stderr,
"%s: bad start specified: %s\n",
progName, optarg);
} else {
start = i;
}
break;
}
case 'v': {
extractVideo = TRUE;
break;
}
case '?':
break;
case 'R':
verbose = TRUE; quiet = FALSE;
break;
case 'V':
fprintf(stderr, "%s - %s version %s\n", progName,
MPEG4IP_PACKAGE, MPEG4IP_VERSION);
return(0);
default:
fprintf(stderr, "%s: unknown option specified, ignoring: %c\n",
progName, c);
}
}
/* check that we have at least two non-option arguments */
if ((argc - optind) < 2) {
fprintf(stderr,
"usage: %s <avi-file> <raw-file>\n",
progName);
exit(1);
}
/* point to the specified file names */
aviFileName = argv[optind++];
rawFileName = argv[optind++];
/* warn about extraneous non-option arguments */
if (optind < argc) {
fprintf(stderr, "%s: unknown options specified, ignoring: ", progName);
while (optind < argc) {
fprintf(stderr, "%s ", argv[optind++]);
}
fprintf(stderr, "\n");
}
/* end processing of command line */
/* open the AVI file */
aviFile = AVI_open_input_file(aviFileName, TRUE);
if (aviFile == NULL) {
fprintf(stderr,
"%s: error %s: %s\n",
progName, aviFileName, AVI_strerror());
exit(4);
}
if (!quiet) {
fprintf(stderr, "%s - %s version %s\n",
progName, MPEG4IP_PACKAGE, MPEG4IP_VERSION);
}
/* open the RAW file */
rawFile = fopen(rawFileName, "wb");
if (rawFile == NULL) {
fprintf(stderr,
"%s: error opening %s: %s\n",
progName, rawFileName, strerror(errno));
exit(5);
}
if (extractVideo) {
double videoFrameRate = AVI_video_frame_rate(aviFile);
u_int32_t numVideoFrames = AVI_video_frames(aviFile);
u_int32_t fileDuration = ceil(numVideoFrames / videoFrameRate);
u_int32_t numDesiredVideoFrames;
u_int32_t videoFramesRead = 0;
u_int32_t emptyFramesRead = 0;
/* get a buffer large enough to handle a frame of raw SDTV */
u_char* buf = (u_char*)malloc(768 * 576 * 4);
if (duration) {
numDesiredVideoFrames = duration * videoFrameRate;
} else {
numDesiredVideoFrames = numVideoFrames;
}
if (buf == NULL) {
fprintf(stderr,
"%s: error allocating memory: %s\n",
progName, strerror(errno));
exit(6);
}
/* check that start offset is valid */
if (start > fileDuration) {
fprintf(stderr,
"%s: specified start is past the end of the file\n",
progName);
exit(7);
}
if (AVI_seek_start(aviFile)) {
fprintf(stderr,
"%s: bad seek: %s\n",
progName, AVI_strerror());
exit(8);
}
if (AVI_set_video_position(aviFile, (long) ROUND(start * videoFrameRate), NULL)) {
fprintf(stderr,
"%s: bad seek: %s\n",
progName, AVI_strerror());
exit(9);
}
#ifdef DEBUG_H264
h264_decode_t dec;
#endif
while (TRUE) {
numBytes = AVI_read_frame(aviFile, (char *)buf);
/* read error */
if (numBytes < 0) {
break;
}
totBytes += numBytes;
videoFramesRead++;
if (verbose) {
printf("frame %d - len %u total %u\n",
videoFramesRead, numBytes, totBytes);
}
/*
* note some capture programs
* insert a zero length frame occasionally
* hence numBytes == 0, but we're not a EOF
*/
if ((eliminate_short_frames && numBytes > short_frames_len) ||
(eliminate_short_frames == FALSE && numBytes)) {
// test
#ifdef DEBUG_H264
uint32_t offset = 0, read;
do {
if (h264_is_start_code(buf + offset)) {
int ret =
h264_detect_boundary(buf + offset,
numBytes - offset,
&dec);
printf(" frame offset %d nal type %d slice %d %d\n",
offset,
dec.nal_unit_type,
dec.slice_type,
ret);
}
read = h264_find_next_start_code(buf + offset,
numBytes - offset);
offset += read;
} while (read != 0 && offset < numBytes);
#endif
if (fwrite(buf, 1, numBytes, rawFile) != numBytes) {
fprintf(stderr,
"%s: error writing %s: %s\n",
progName, rawFileName, strerror(errno));
break;
}
} else {
emptyFramesRead++;
}
if (videoFramesRead >= numDesiredVideoFrames) {
break;
}
}
if (verbose) {
printf("read %u video bytes\n", totBytes);
}
if (numBytes < 0) {
printf("%s: error reading %s, frame %d, %s\n",
progName, aviFileName, videoFramesRead + 1, AVI_strerror());
}
if (videoFramesRead < numDesiredVideoFrames) {
fprintf(stderr,
"%s: warning: could only extract %u seconds of video (%u of %u frames)\n",
progName, (unsigned int)ceil(videoFramesRead / videoFrameRate),
videoFramesRead, numDesiredVideoFrames);
}
if (emptyFramesRead) {
fprintf(stderr,
"%s: warning: %u zero length frames ignored\n",
progName, emptyFramesRead);
}
if (!quiet) {
printf("%u video frames written\n",
videoFramesRead - emptyFramesRead);
}
/* cleanup */
free(buf);
} else {
/* extract audio */
u_int32_t audioBytesRead = 0;
u_char *buf = (u_char*) malloc(8*1024);
u_int32_t numDesiredAudioBytes = AVI_audio_bytes(aviFile);
u_int32_t audioBytesPerSec = 0;
if (start != 0) {
u_int32_t numAudioBytes = numDesiredAudioBytes;
u_int32_t fileDuration;
audioBytesPerSec = AVI_audio_rate(aviFile) *
((AVI_audio_bits(aviFile) + 7) / 8) * AVI_audio_channels(aviFile);
fileDuration = ceil(numAudioBytes / audioBytesPerSec);
numDesiredAudioBytes = duration * audioBytesPerSec;
/* check that start offset is valid */
if (start > fileDuration) {
fprintf(stderr,
"%s: specified start is past the end of the file\n",
progName);
exit(7);
}
if (AVI_seek_start(aviFile)) {
fprintf(stderr,
"%s: bad seek: %s\n",
progName, AVI_strerror());
exit(8);
}
if (AVI_set_audio_position(aviFile, start * audioBytesPerSec)) {
fprintf(stderr,
"%s: bad seek: %s\n",
progName, AVI_strerror());
exit(9);
}
} else {
if (AVI_seek_start(aviFile)) {
fprintf(stderr,
"%s: bad seek: %s\n",
progName, AVI_strerror());
exit(8);
}
if (AVI_set_audio_position(aviFile, 0)) {
fprintf(stderr,
"%s: bad seek: %s\n",
progName, AVI_strerror());
exit(9);
}
}
while ((numBytes = AVI_read_audio(aviFile, (char *)buf, sizeof(buf))) > 0) {
if (fwrite(buf, 1, numBytes, rawFile) != numBytes) {
fprintf(stderr,
"%s: error writing %s: %s\n",
progName, rawFileName, strerror(errno));
break;
}
audioBytesRead += numBytes;
if (numDesiredAudioBytes
&& audioBytesRead >= numDesiredAudioBytes) {
break;
}
}
if (verbose) {
printf("read %u audio bytes\n", audioBytesRead);
}
if (duration && audioBytesRead < numDesiredAudioBytes) {
fprintf(stderr,
"%s: warning: could only extract %u seconds of audio\n",
progName, audioBytesPerSec == 0 ? audioBytesRead : audioBytesRead / audioBytesPerSec);
}
if (!quiet && AVI_audio_bits(aviFile) != 0) {
printf("%u audio samples written\n",
audioBytesRead / ((AVI_audio_bits(aviFile) + 7) / 8));
}
}
/* cleanup */
AVI_close(aviFile);
fclose(rawFile);
return(0);
}
int main(int argc, char *argv[])
{
avi_t *avifile, *avifile1, *avifile2;
char *outfile=NULL, *infile=NULL, *audfile=NULL;
long rate, mp3rate;
int j, ch, cc=0, track_num=0, out_track_num=-1;
int width, height, format=0, format_add, chan, bits, aud_error=0;
double fps;
char *codec;
long offset, frames, n, bytes, aud_offset=0;
int key;
int aud_tracks;
// for mp3 audio
FILE *f=NULL;
int len, headlen, chan_i, rate_i, mp3rate_i;
unsigned long vid_chunks=0;
char head[8];
off_t pos;
double aud_ms = 0.0, vid_ms = 0.0;
double aud_ms_w[AVI_MAX_TRACKS];
ac_init(AC_ALL);
if(argc==1) usage(EXIT_FAILURE);
while ((ch = getopt(argc, argv, "A:a:b:ci:o:p:f:x:?hv")) != -1) {
switch (ch) {
case 'i':
if(optarg[0]=='-') usage(EXIT_FAILURE);
infile = optarg;
break;
case 'A':
if(optarg[0]=='-') usage(EXIT_FAILURE);
out_track_num = atoi(optarg);
if(out_track_num<-1) usage(EXIT_FAILURE);
break;
case 'a':
if(optarg[0]=='-') usage(EXIT_FAILURE);
track_num = atoi(optarg);
if(track_num<0) usage(EXIT_FAILURE);
break;
case 'b':
if(optarg[0]=='-') usage(EXIT_FAILURE);
is_vbr = atoi(optarg);
if(is_vbr<0) usage(EXIT_FAILURE);
break;
case 'c':
drop_video = 1;
break;
case 'o':
if(optarg[0]=='-') usage(EXIT_FAILURE);
outfile = optarg;
break;
case 'p':
if(optarg[0]=='-') usage(EXIT_FAILURE);
audfile = optarg;
break;
case 'f':
if(optarg[0]=='-') usage(EXIT_FAILURE);
comfile = optarg;
break;
case 'x':
if(optarg[0]=='-') usage(EXIT_FAILURE);
indexfile = optarg;
break;
case 'v':
version();
exit(EXIT_SUCCESS);
case 'h':
usage(EXIT_SUCCESS);
default:
usage(EXIT_FAILURE);
}
}
if(outfile == NULL || infile == NULL) usage(EXIT_FAILURE);
printf("scanning file %s for video/audio parameter\n", infile);
// open first file for video/audio info read only
if(indexfile) {
if (NULL == (avifile1 = AVI_open_input_indexfile(infile,0,indexfile))) {
AVI_print_error("AVI open with index file");
}
}
else if(NULL == (avifile1 = AVI_open_input_file(infile,1))) {
AVI_print_error("AVI open");
exit(1);
}
AVI_info(avifile1);
// safety checks
if(strcmp(infile, outfile)==0) {
printf("error: output filename conflicts with input filename\n");
exit(1);
}
ch = optind;
while (ch < argc) {
if(tc_file_check(argv[ch]) != 0) {
printf("error: file not found\n");
exit(1);
}
if(strcmp(argv[ch++], outfile)==0) {
printf("error: output filename conflicts with input filename\n");
exit(1);
}
}
// open output file
if(NULL == (avifile = AVI_open_output_file(outfile))) {
AVI_print_error("AVI open");
exit(1);
}
// read video info;
width = AVI_video_width(avifile1);
height = AVI_video_height(avifile1);
fps = AVI_frame_rate(avifile1);
codec = AVI_video_compressor(avifile1);
//set video in outputfile
AVI_set_video(avifile, width, height, fps, codec);
if (comfile!=NULL)
AVI_set_comment_fd(avifile, open(comfile, O_RDONLY));
//multi audio tracks?
aud_tracks = AVI_audio_tracks(avifile1);
if (out_track_num < 0) out_track_num = aud_tracks;
for(j=0; j<aud_tracks; ++j) {
if (out_track_num == j) continue;
AVI_set_audio_track(avifile1, j);
rate = AVI_audio_rate(avifile1);
chan = AVI_audio_channels(avifile1);
bits = AVI_audio_bits(avifile1);
format = AVI_audio_format(avifile1);
mp3rate= AVI_audio_mp3rate(avifile1);
//printf("TRACK %d MP3RATE %ld VBR %ld\n", j, mp3rate, AVI_get_audio_vbr(avifile1));
//set next track of output file
AVI_set_audio_track(avifile, j);
AVI_set_audio(avifile, chan, rate, bits, format, mp3rate);
AVI_set_audio_vbr(avifile, AVI_get_audio_vbr(avifile1));
}
if(audfile!=NULL) goto audio_merge;
// close reopen in merger function
AVI_close(avifile1);
//-------------------------------------------------------------
printf("merging multiple AVI-files (concatenating) ...\n");
// extract and write to new files
printf ("file %02d %s\n", ++cc, infile);
merger(avifile, infile);
while (optind < argc) {
printf ("file %02d %s\n", ++cc, argv[optind]);
merger(avifile, argv[optind++]);
}
// close new AVI file
AVI_close(avifile);
printf("... done merging %d file(s) in %s\n", cc, outfile);
// reopen file for video/audio info
if(NULL == (avifile = AVI_open_input_file(outfile,1))) {
AVI_print_error("AVI open");
exit(1);
}
AVI_info(avifile);
return(0);
//-------------------------------------------------------------
// *************************************************
// Merge the audio track of an additional AVI file
// *************************************************
audio_merge:
printf("merging audio %s track %d (multiplexing) into %d ...\n", audfile, track_num, out_track_num);
// open audio file read only
if(NULL == (avifile2 = AVI_open_input_file(audfile,1))) {
int f=open(audfile, O_RDONLY), ret=0;
char head[1024], *c;
c = head;
if (f>0 && (1024 == read(f, head, 1024)) ) {
while ((c-head<1024-8) && (ret = tc_probe_audio_header(c, 8))<=0 ) {
c++;
}
close(f);
if (ret > 0) {
aud_offset = c-head;
//printf("found atrack 0x%x off=%ld\n", ret, aud_offset);
goto merge_mp3;
}
}
AVI_print_error("AVI open");
exit(1);
}
AVI_info(avifile2);
//switch to requested track
if(AVI_set_audio_track(avifile2, track_num)<0) {
fprintf(stderr, "invalid audio track\n");
}
rate = AVI_audio_rate(avifile2);
chan = AVI_audio_channels(avifile2);
bits = AVI_audio_bits(avifile2);
format = AVI_audio_format(avifile2);
mp3rate= AVI_audio_mp3rate(avifile2);
//set next track
AVI_set_audio_track(avifile, out_track_num);
AVI_set_audio(avifile, chan, rate, bits, format, mp3rate);
AVI_set_audio_vbr(avifile, AVI_get_audio_vbr(avifile2));
AVI_seek_start(avifile1);
frames = AVI_video_frames(avifile1);
offset = 0;
printf ("file %02d %s\n", ++cc, infile);
for (n=0; n<AVI_MAX_TRACKS; n++)
aud_ms_w[n] = 0.0;
vid_chunks=0;
for (n=0; n<frames; ++n) {
// video
bytes = AVI_read_frame(avifile1, data, &key);
if(bytes < 0) {
AVI_print_error("AVI read video frame");
return(-1);
}
if(AVI_write_frame(avifile, data, bytes, key)<0) {
AVI_print_error("AVI write video frame");
return(-1);
}
++vid_chunks;
vid_ms = vid_chunks*1000.0/fps;
for(j=0; j<aud_tracks; ++j) {
if (j == out_track_num) continue;
AVI_set_audio_track(avifile1, j);
AVI_set_audio_track(avifile, j);
chan = AVI_audio_channels(avifile1);
// audio
chan = AVI_audio_channels(avifile1);
if(chan) {
sync_audio_video_avi2avi(vid_ms, &aud_ms_w[j], avifile1, avifile);
}
}
// merge additional track
// audio
chan = AVI_audio_channels(avifile2);
AVI_set_audio_track(avifile, out_track_num);
if(chan) {
sync_audio_video_avi2avi(vid_ms, &aud_ms, avifile2, avifile);
}
// progress
fprintf(stderr, "[%s] (%06ld-%06ld)\r", outfile, offset, offset + n);
}
fprintf(stderr,"\n");
offset = frames;
//more files to merge?
AVI_close(avifile1);
while (optind < argc) {
printf ("file %02d %s\n", ++cc, argv[optind]);
if(NULL == ( avifile1 = AVI_open_input_file(argv[optind++],1))) {
AVI_print_error("AVI open");
goto finish;
}
AVI_seek_start(avifile1);
frames = AVI_video_frames(avifile1);
for (n=0; n<frames; ++n) {
// video
bytes = AVI_read_frame(avifile1, data, &key);
if(bytes < 0) {
AVI_print_error("AVI read video frame");
return(-1);
}
if(AVI_write_frame(avifile, data, bytes, key)<0) {
AVI_print_error("AVI write video frame");
return(-1);
}
++vid_chunks;
vid_ms = vid_chunks*1000.0/fps;
// audio
for(j=0; j<aud_tracks; ++j) {
if (j == out_track_num) continue;
AVI_set_audio_track(avifile1, j);
AVI_set_audio_track(avifile, j);
chan = AVI_audio_channels(avifile1);
if(chan) {
sync_audio_video_avi2avi(vid_ms, &aud_ms_w[j], avifile1, avifile);
}
}
// merge additional track
chan = AVI_audio_channels(avifile2);
AVI_set_audio_track(avifile, out_track_num);
if(chan) {
sync_audio_video_avi2avi(vid_ms, &aud_ms, avifile2, avifile);
} // chan
// progress
fprintf(stderr, "[%s] (%06ld-%06ld)\r", outfile, offset, offset + n);
}
fprintf(stderr, "\n");
offset += frames;
AVI_close(avifile1);
}
finish:
// close new AVI file
printf("... done multiplexing in %s\n", outfile);
AVI_info(avifile);
AVI_close(avifile);
return(0);
// *************************************************
// Merge a raw audio file which is either MP3 or AC3
// *************************************************
merge_mp3:
f = fopen(audfile,"rb");
if (!f) { perror ("fopen"); exit(1); }
fseek(f, aud_offset, SEEK_SET);
len = fread(head, 1, 8, f);
format_add = tc_probe_audio_header(head, len);
headlen = tc_get_audio_header(head, len, format_add, &chan_i, &rate_i, &mp3rate_i);
fprintf(stderr, "... this looks like a %s track ...\n", (format_add==0x55)?"MP3":"AC3");
fseek(f, aud_offset, SEEK_SET);
//set next track
AVI_set_audio_track(avifile, out_track_num);
AVI_set_audio(avifile, chan_i, rate_i, 16, format_add, mp3rate_i);
AVI_set_audio_vbr(avifile, is_vbr);
AVI_seek_start(avifile1);
frames = AVI_video_frames(avifile1);
offset = 0;
for (n=0; n<AVI_MAX_TRACKS; ++n)
aud_ms_w[n] = 0.0;
for (n=0; n<frames; ++n) {
// video
bytes = AVI_read_frame(avifile1, data, &key);
if(bytes < 0) {
AVI_print_error("AVI read video frame");
return(-1);
}
if(AVI_write_frame(avifile, data, bytes, key)<0) {
AVI_print_error("AVI write video frame");
return(-1);
}
vid_chunks++;
vid_ms = vid_chunks*1000.0/fps;
for(j=0; j<aud_tracks; ++j) {
if (j == out_track_num) continue;
AVI_set_audio_track(avifile1, j);
AVI_set_audio_track(avifile, j);
chan = AVI_audio_channels(avifile1);
if(chan) {
sync_audio_video_avi2avi(vid_ms, &aud_ms_w[j], avifile1, avifile);
}
}
// merge additional track
if(headlen>4 && !aud_error) {
while (aud_ms < vid_ms) {
//printf("reading Audio Chunk ch(%ld) vms(%lf) ams(%lf)\n", vid_chunks, vid_ms, aud_ms);
pos = ftell(f);
len = fread (head, 1, 8, f);
if (len<=0) { //eof
fprintf(stderr, "EOF in %s; continuing ..\n", audfile);
aud_error=1;
break;
}
if ( (headlen = tc_get_audio_header(head, len, format_add, NULL, NULL, &mp3rate_i))<0) {
fprintf(stderr, "Broken %s track #(%d)? skipping\n", (format_add==0x55?"MP3":"AC3"), aud_tracks);
aud_ms = vid_ms;
aud_error=1;
} else { // look in import/tcscan.c for explanation
aud_ms += (headlen*8.0)/(mp3rate_i);
}
fseek (f, pos, SEEK_SET);
len = fread (data, headlen, 1, f);
if (len<=0) { //eof
fprintf(stderr, "EOF in %s; continuing ..\n", audfile);
aud_error=1;
break;
}
AVI_set_audio_track(avifile, out_track_num);
if(AVI_write_audio(avifile, data, headlen)<0) {
AVI_print_error("AVI write audio frame");
return(-1);
}
}
}
// progress
fprintf(stderr, "[%s] (%06ld-%06ld)\r", outfile, offset, offset + n);
}
fprintf(stderr,"\n");
offset = frames;
// more files?
while (optind < argc) {
printf ("file %02d %s\n", ++cc, argv[optind]);
if(NULL == ( avifile1 = AVI_open_input_file(argv[optind++],1))) {
AVI_print_error("AVI open");
goto finish;
}
AVI_seek_start(avifile1);
frames = AVI_video_frames(avifile1);
for (n=0; n<frames; ++n) {
// video
bytes = AVI_read_frame(avifile1, data, &key);
if(bytes < 0) {
AVI_print_error("AVI read video frame");
return(-1);
}
if(AVI_write_frame(avifile, data, bytes, key)<0) {
AVI_print_error("AVI write video frame");
return(-1);
}
vid_chunks++;
vid_ms = vid_chunks*1000.0/fps;
for(j=0; j<aud_tracks; ++j) {
if (j == out_track_num) continue;
AVI_set_audio_track(avifile1, j);
AVI_set_audio_track(avifile, j);
chan = AVI_audio_channels(avifile1);
if(chan) {
sync_audio_video_avi2avi(vid_ms, &aud_ms_w[j], avifile1, avifile);
}
}
// merge additional track
// audio
if(headlen>4 && !aud_error) {
while (aud_ms < vid_ms) {
//printf("reading Audio Chunk ch(%ld) vms(%lf) ams(%lf)\n", vid_chunks, vid_ms, aud_ms);
pos = ftell(f);
len = fread (head, 8, 1, f);
if (len<=0) { //eof
fprintf(stderr, "EOF in %s; continuing ..\n", audfile);
aud_error=1; break;
}
if ( (headlen = tc_get_audio_header(head, len, format_add, NULL, NULL, &mp3rate_i))<0) {
fprintf(stderr, "Broken %s track #(%d)?\n", (format_add==0x55?"MP3":"AC3"), aud_tracks);
aud_ms = vid_ms;
aud_error=1;
} else { // look in import/tcscan.c for explanation
aud_ms += (headlen*8.0)/(mp3rate_i);
}
fseek (f, pos, SEEK_SET);
len = fread (data, headlen, 1, f);
if (len<=0) { //eof
fprintf(stderr, "EOF in %s; continuing ..\n", audfile);
aud_error=1; break;
}
AVI_set_audio_track(avifile, out_track_num);
if(AVI_write_audio(avifile, data, headlen)<0) {
AVI_print_error("AVI write audio frame");
return(-1);
}
}
}
// progress
fprintf(stderr, "[%s] (%06ld-%06ld)\r", outfile, offset, offset + n);
}
fprintf(stderr, "\n");
offset += frames;
AVI_close(avifile1);
}
if (f) fclose(f);
printf("... done multiplexing in %s\n", outfile);
AVI_close(avifile);
return(0);
}
/*
* Create the media for the quicktime file, and set up some session stuff.
*/
int create_media_for_avi_file (CPlayerSession *psptr,
const char *name,
char *errmsg,
uint32_t errlen,
int have_audio_driver,
control_callback_vft_t *cc_vft)
{
CAviFile *Avifile1 = NULL;
avi_t *avi;
CPlayerMedia *mptr;
avi = AVI_open_input_file(name, 1);
if (avi == NULL) {
snprintf(errmsg, errlen, "%s", AVI_strerror());
player_error_message("%s", AVI_strerror());
return (-1);
}
int video_count = 1;
codec_plugin_t *plugin;
video_query_t vq;
const char *codec_name = AVI_video_compressor(avi);
player_debug_message("Trying avi video codec %s", codec_name);
plugin = check_for_video_codec(STREAM_TYPE_AVI_FILE,
codec_name,
NULL,
-1,
-1,
NULL,
0,
&config);
if (plugin == NULL) {
video_count = 0;
} else {
vq.track_id = 1;
vq.stream_type = STREAM_TYPE_AVI_FILE;
vq.compressor = codec_name;
vq.type = -1;
vq.profile = -1;
vq.fptr = NULL;
vq.h = AVI_video_height(avi);
vq.w = AVI_video_width(avi);
vq.frame_rate = AVI_video_frame_rate(avi);
vq.config = NULL;
vq.config_len = 0;
vq.enabled = 0;
vq.reference = NULL;
}
int have_audio = 0;
int audio_count = 0;
audio_query_t aq;
if (AVI_audio_bytes(avi) != 0) {
have_audio = 1;
plugin = check_for_audio_codec(STREAM_TYPE_AVI_FILE,
NULL,
NULL,
AVI_audio_format(avi),
-1,
NULL,
0,
&config);
if (plugin != NULL) {
audio_count = 1;
aq.track_id = 1;
aq.stream_type = STREAM_TYPE_AVI_FILE;
aq.compressor = NULL;
aq.type = AVI_audio_format(avi);
aq.profile = -1;
aq.fptr = NULL;
aq.sampling_freq = AVI_audio_rate(avi);
aq.chans = AVI_audio_channels(avi);
aq.config = NULL;
aq.config_len = 0;
aq.enabled = 0;
aq.reference = NULL;
}
}
if (cc_vft != NULL && cc_vft->media_list_query != NULL) {
(cc_vft->media_list_query)(psptr, video_count, &vq, audio_count, &aq);
} else {
if (video_count != 0) vq.enabled = 1;
if (audio_count != 0) aq.enabled = 1;
}
if ((video_count == 0 || vq.enabled == 0) &&
(audio_count == 0 || aq.enabled == 0)) {
snprintf(errmsg, errlen, "No audio or video tracks enabled or playable");
AVI_close(avi);
return -1;
}
Avifile1 = new CAviFile(name, avi, vq.enabled, audio_count);
psptr->set_media_close_callback(close_avi_file, Avifile1);
if (video_count != 0 && vq.enabled) {
mptr = new CPlayerMedia(psptr);
if (mptr == NULL) {
return (-1);
}
video_info_t *vinfo = MALLOC_STRUCTURE(video_info_t);
if (vinfo == NULL)
return (-1);
vinfo->height = vq.h;
vinfo->width = vq.w;
player_debug_message("avi file h %d w %d frame rate %g",
vinfo->height,
vinfo->width,
vq.frame_rate);
plugin = check_for_video_codec(STREAM_TYPE_AVI_FILE,
codec_name,
NULL,
-1,
-1,
NULL,
0,
&config);
int ret;
ret = mptr->create_video_plugin(plugin,
STREAM_TYPE_AVI_FILE,
codec_name,
-1,
-1,
NULL,
vinfo,
NULL,
0);
if (ret < 0) {
snprintf(errmsg, errlen, "Failed to create video plugin %s",
codec_name);
player_error_message("Failed to create plugin data");
delete mptr;
return -1;
}
CAviVideoByteStream *vbyte = new CAviVideoByteStream(Avifile1);
if (vbyte == NULL) {
delete mptr;
return (-1);
}
vbyte->config(AVI_video_frames(avi), vq.frame_rate);
ret = mptr->create(vbyte, TRUE, errmsg, errlen);
if (ret != 0) {
return (-1);
}
}
int seekable = 1;
if (have_audio_driver > 0 && audio_count > 0 && aq.enabled != 0) {
plugin = check_for_audio_codec(STREAM_TYPE_AVI_FILE,
NULL,
NULL,
aq.type,
-1,
NULL,
0,
&config);
CAviAudioByteStream *abyte;
mptr = new CPlayerMedia(psptr);
if (mptr == NULL) {
return (-1);
}
audio_info_t *ainfo;
ainfo = MALLOC_STRUCTURE(audio_info_t);
ainfo->freq = aq.sampling_freq;
ainfo->chans = aq.chans;
ainfo->bitspersample = AVI_audio_bits(avi);
int ret;
ret = mptr->create_audio_plugin(plugin,
aq.stream_type,
aq.compressor,
aq.type,
aq.profile,
NULL,
ainfo,
NULL,
0);
if (ret < 0) {
delete mptr;
player_error_message("Couldn't create audio from plugin %s",
plugin->c_name);
return -1;
}
abyte = new CAviAudioByteStream(Avifile1);
ret = mptr->create(abyte, FALSE, errmsg, errlen);
if (ret != 0) {
return (-1);
}
seekable = 0;
}
psptr->session_set_seekable(seekable);
if (audio_count == 0 && have_audio != 0) {
snprintf(errmsg, errlen, "Unknown Audio Codec in avi file ");
return (1);
}
if (video_count != 1) {
snprintf(errmsg, errlen, "Unknown Video Codec %s in avi file",
codec_name);
return (1);
}
return (0);
}
void
avi_reader_c::add_audio_demuxer(int aid) {
for (auto &demuxer : m_audio_demuxers)
if (demuxer.m_aid == aid) // Demuxer already added?
return;
AVI_set_audio_track(m_avi, aid);
if (AVI_read_audio_chunk(m_avi, nullptr) < 0) {
mxwarn(boost::format(Y("Could not find an index for audio track %1% (avilib error message: %2%). Skipping track.\n")) % (aid + 1) % AVI_strerror());
return;
}
avi_demuxer_t demuxer;
generic_packetizer_c *packetizer = nullptr;
alWAVEFORMATEX *wfe = m_avi->wave_format_ex[aid];
uint32_t audio_format = AVI_audio_format(m_avi);
demuxer.m_aid = aid;
demuxer.m_ptzr = -1;
demuxer.m_samples_per_second = AVI_audio_rate(m_avi);
demuxer.m_channels = AVI_audio_channels(m_avi);
demuxer.m_bits_per_sample = AVI_audio_bits(m_avi);
m_ti.m_id = aid + 1; // ID for this audio track.
auto stream_header = &m_avi->stream_headers[aid];
auto dw_scale = static_cast<int64_t>(get_uint32_le(&stream_header->dw_scale));
auto dw_rate = static_cast<int64_t>(get_uint32_le(&stream_header->dw_rate));
auto dw_sample_size = static_cast<int64_t>(get_uint32_le(&stream_header->dw_sample_size));
m_ti.m_avi_audio_data_rate = dw_scale ? dw_rate * dw_sample_size / dw_scale : 0;
if ((0xfffe == audio_format) && (get_uint16_le(&wfe->cb_size) >= (sizeof(alWAVEFORMATEXTENSION)))) {
alWAVEFORMATEXTENSIBLE *ext = reinterpret_cast<alWAVEFORMATEXTENSIBLE *>(wfe);
audio_format = get_uint32_le(&ext->extension.guid.data1);
} else if (get_uint16_le(&wfe->cb_size) > 0)
m_ti.m_private_data = memory_c::clone(wfe + 1, get_uint16_le(&wfe->cb_size));
else
m_ti.m_private_data.reset();
demuxer.m_codec = codec_c::look_up_audio_format(audio_format);
if (demuxer.m_codec.is(codec_c::type_e::A_PCM))
packetizer = new pcm_packetizer_c(this, m_ti, demuxer.m_samples_per_second, demuxer.m_channels, demuxer.m_bits_per_sample, 0x0003 == audio_format ? pcm_packetizer_c::ieee_float : pcm_packetizer_c::little_endian_integer);
else if (demuxer.m_codec.is(codec_c::type_e::A_MP2) || demuxer.m_codec.is(codec_c::type_e::A_MP3))
packetizer = new mp3_packetizer_c(this, m_ti, demuxer.m_samples_per_second, demuxer.m_channels, false);
else if (demuxer.m_codec.is(codec_c::type_e::A_AC3))
packetizer = new ac3_packetizer_c(this, m_ti, demuxer.m_samples_per_second, demuxer.m_channels, 0);
else if (demuxer.m_codec.is(codec_c::type_e::A_DTS))
packetizer = create_dts_packetizer(aid);
else if (demuxer.m_codec.is(codec_c::type_e::A_AAC))
packetizer = create_aac_packetizer(aid, demuxer);
else if (demuxer.m_codec.is(codec_c::type_e::A_VORBIS))
packetizer = create_vorbis_packetizer(aid);
else
mxerror_tid(m_ti.m_fname, aid + 1, boost::format(Y("Unknown/unsupported audio format 0x%|1$04x| for this audio track.\n")) % audio_format);
packetizer->enable_avi_audio_sync(true);
show_packetizer_info(aid + 1, packetizer);
demuxer.m_ptzr = add_packetizer(packetizer);
m_audio_demuxers.push_back(demuxer);
int i, maxchunks = AVI_audio_chunks(m_avi);
for (i = 0; i < maxchunks; i++) {
auto size = AVI_audio_size(m_avi, i);
if (size < AVI_MAX_AUDIO_CHUNK_SIZE)
m_bytes_to_process += size;
}
}
int main(int argc, char *argv[])
{
avi_t *avifile1=NULL;
avi_t *avifile2=NULL;
avi_t *avifile3=NULL;
char *in_file=NULL, *out_file=NULL;
long frames, bytes;
double fps;
char *codec;
int track_num=0, aud_tracks;
int encode_null=0;
int i, j, n, key, shift=0;
int ch, preload=0;
long rate, mp3rate;
int width, height, format, chan, bits;
int be_quiet = 0;
FILE *status_fd = stderr;
/* for null frame encoding */
char nulls[32000];
long nullbytes=0;
char tmp0[] = "/tmp/nullfile.00.avi"; /* XXX: use mktemp*() */
buffer_list_t *ptr;
double vid_ms = 0.0, shift_ms = 0.0, one_vid_ms = 0.0;
double aud_ms [ AVI_MAX_TRACKS ];
int aud_bitrate = 0;
int aud_chunks = 0;
ac_init(AC_ALL);
if(argc==1) usage(EXIT_FAILURE);
while ((ch = getopt(argc, argv, "a:b:vi:o:n:Nq?h")) != -1)
{
switch (ch) {
case 'i':
if(optarg[0]=='-') usage(EXIT_FAILURE);
in_file=optarg;
break;
case 'a':
if(optarg[0]=='-') usage(EXIT_FAILURE);
track_num = atoi(optarg);
if(track_num<0) usage(EXIT_FAILURE);
break;
case 'b':
if(optarg[0]=='-') usage(EXIT_FAILURE);
is_vbr = atoi(optarg);
if(is_vbr<0) usage(EXIT_FAILURE);
break;
case 'o':
if(optarg[0]=='-') usage(EXIT_FAILURE);
out_file=optarg;
break;
case 'f':
if(optarg[0]=='-') usage(EXIT_FAILURE);
comfile = optarg;
break;
case 'n':
if(sscanf(optarg,"%d", &shift)!=1) {
fprintf(stderr, "invalid parameter for option -n\n");
usage(EXIT_FAILURE);
}
break;
case 'N':
encode_null=1;
break;
case 'q':
be_quiet = 1;
break;
case 'v':
version();
exit(0);
break;
case 'h':
usage(EXIT_SUCCESS);
default:
usage(EXIT_FAILURE);
}
}
// check
if(in_file==NULL || out_file == NULL) usage(EXIT_FAILURE);
if(shift == 0) fprintf(stderr, "no sync requested - exit");
memset (nulls, 0, sizeof(nulls));
// open file
if(NULL == (avifile1 = AVI_open_input_file(in_file,1))) {
AVI_print_error("AVI open");
exit(1);
}
if(strcmp(in_file, out_file)==0) {
printf("error: output filename conflicts with input filename\n");
exit(1);
}
if(NULL == (avifile2 = AVI_open_output_file(out_file))) {
AVI_print_error("AVI open");
exit(1);
}
if (be_quiet) {
if (!(status_fd = fopen("/dev/null", "w"))) {
fprintf(stderr, "Can't open /dev/null\n");
exit(1);
}
}
// read video info;
AVI_info(avifile1);
// read video info;
frames = AVI_video_frames(avifile1);
width = AVI_video_width(avifile1);
height = AVI_video_height(avifile1);
fps = AVI_frame_rate(avifile1);
codec = AVI_video_compressor(avifile1);
//set video in outputfile
AVI_set_video(avifile2, width, height, fps, codec);
if (comfile!=NULL)
AVI_set_comment_fd(avifile2, open(comfile, O_RDONLY));
aud_tracks = AVI_audio_tracks(avifile1);
for(j=0; j<aud_tracks; ++j) {
AVI_set_audio_track(avifile1, j);
rate = AVI_audio_rate(avifile1);
chan = AVI_audio_channels(avifile1);
bits = AVI_audio_bits(avifile1);
format = AVI_audio_format(avifile1);
mp3rate= AVI_audio_mp3rate(avifile1);
//set next track of output file
AVI_set_audio_track(avifile2, j);
AVI_set_audio(avifile2, chan, rate, bits, format, mp3rate);
AVI_set_audio_vbr(avifile2, is_vbr);
}
//switch to requested audio_channel
if(AVI_set_audio_track(avifile1, track_num)<0) {
fprintf(stderr, "invalid auto track\n");
}
AVI_set_audio_track(avifile2, track_num);
if (encode_null) {
char cmd[1024];
rate = AVI_audio_rate(avifile2);
chan = AVI_audio_channels(avifile2);
bits = AVI_audio_bits(avifile2);
format = AVI_audio_format(avifile2);
mp3rate= AVI_audio_mp3rate(avifile2);
if (bits==0) bits=16;
if (mp3rate%2) mp3rate++;
fprintf(status_fd, "Creating silent mp3 frame with current parameter\n");
memset (cmd, 0, sizeof(cmd));
tc_snprintf(cmd, sizeof(cmd), "transcode -i /dev/zero -o %s -x raw,raw"
" -n 0x1 -g 16x16 -y raw,raw -c 0-5 -e %ld,%d,%d -b %ld -q0",
tmp0, rate,bits,chan, mp3rate);
printf(cmd);
system(cmd);
if(NULL == (avifile3 = AVI_open_input_file(tmp0,1))) {
AVI_print_error("AVI open");
exit(1);
}
nullbytes = AVI_audio_size(avifile3, 3);
/* just read a few frames */
if(AVI_read_audio(avifile3, nulls, nullbytes) < 0) {
AVI_print_error("AVI audio read frame");
return(-1);
}
memset (nulls, 0, sizeof(nulls));
if(AVI_read_audio(avifile3, nulls, nullbytes) < 0) {
AVI_print_error("AVI audio read frame");
return(-1);
}
memset (nulls, 0, sizeof(nulls));
if(AVI_read_audio(avifile3, nulls, nullbytes) < 0) {
AVI_print_error("AVI audio read frame");
return(-1);
}
/*
printf("\nBytes (%ld): \n", nullbytes);
{
int asd=0;
for (asd=0; asd<nullbytes; asd++){
printf("%x ",(unsigned char)nulls[asd]);
}
printf("\n");
}
*/
}
vid_ms = 0.0;
shift_ms = 0.0;
for (n=0; n<AVI_MAX_TRACKS; ++n)
aud_ms[n] = 0.0;
// ---------------------------------------------------------------------
for (n=0; n<frames; ++n) {
// video unchanged
bytes = AVI_read_frame(avifile1, data, &key);
if(bytes < 0) {
AVI_print_error("AVI read video frame");
return(-1);
}
if(AVI_write_frame(avifile2, data, bytes, key)<0) {
AVI_print_error("AVI write video frame");
return(-1);
}
vid_ms = (n+1)*1000.0/fps;
// Pass-through all other audio tracks.
for(j=0; j<aud_tracks; ++j) {
// skip track we want to modify
if (j == track_num) continue;
// switch to track
AVI_set_audio_track(avifile1, j);
AVI_set_audio_track(avifile2, j);
sync_audio_video_avi2avi(vid_ms, &aud_ms[j], avifile1, avifile2);
}
//switch to requested audio_channel
if(AVI_set_audio_track(avifile1, track_num)<0) {
fprintf(stderr, "invalid auto track\n");
}
AVI_set_audio_track(avifile2, track_num);
shift_ms = (double)shift*1000.0/fps;
one_vid_ms = 1000.0/fps;
format = AVI_audio_format(avifile1);
rate = AVI_audio_rate(avifile1);
chan = AVI_audio_channels(avifile1);
bits = AVI_audio_bits(avifile1);
bits = bits==0?16:bits;
mp3rate= AVI_audio_mp3rate(avifile1);
if(shift>0) {
// for n < shift, shift audio frames are discarded
if(!preload) {
if (tc_format_ms_supported(format)) {
for(i=0;i<shift;++i) {
//fprintf (stderr, "shift (%d) i (%d) n (%d) a (%d)\n", shift, i, n, aud_chunks);
while (aud_ms[track_num] < vid_ms + one_vid_ms*(double)i) {
aud_bitrate = (format==0x1||format==0x2000)?1:0;
aud_chunks++;
if( (bytes = AVI_read_audio_chunk(avifile1, data)) <= 0) {
aud_ms[track_num] = vid_ms + one_vid_ms*i;
if (bytes == 0) continue;
AVI_print_error("AVI 2 audio read frame");
break;
}
if ( !aud_bitrate && tc_get_audio_header(data, bytes, format, NULL, NULL, &aud_bitrate)<0) {
// if this is the last frame of the file, slurp in audio chunks
if (n == frames-1) continue;
aud_ms[track_num] = vid_ms + one_vid_ms*i;
} else
aud_ms[track_num] += (bytes*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0):
(format==0x2000?(double)(mp3rate):aud_bitrate));
}
}
} else { // fallback
bytes=0;
for(i=0;i<shift;++i) {
do {
if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) {
AVI_print_error("AVI audio read frame");
return(-1);
}
} while (AVI_can_read_audio(avifile1));
}
}
preload=1;
}
// copy rest of the track
if(n<frames-shift) {
if (tc_format_ms_supported(format)) {
while (aud_ms[track_num] < vid_ms + shift_ms) {
aud_chunks++;
aud_bitrate = (format==0x1||format==0x2000)?1:0;
if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) {
aud_ms[track_num] = vid_ms + shift_ms;
AVI_print_error("AVI 3 audio read frame");
break;
}
if(AVI_write_audio(avifile2, data, bytes) < 0) {
AVI_print_error("AVI 3 write audio frame");
return(-1);
}
fprintf(status_fd, "V [%05d][%08.2f] | A [%05d][%08.2f] [%05ld]\r", n, vid_ms, aud_chunks, aud_ms[track_num], bytes);
if (bytes == 0) {
aud_ms[track_num] = vid_ms + shift_ms;
continue;
}
if(n>=frames-2*shift) {
// save audio frame for later
ptr = buffer_register(n);
if(ptr==NULL) {
fprintf(stderr,"buffer allocation failed\n");
break;
}
ac_memcpy(ptr->data, data, bytes);
ptr->size = bytes;
ptr->status = BUFFER_READY;
}
if ( !aud_bitrate && tc_get_audio_header(data, bytes, format, NULL, NULL, &aud_bitrate)<0) {
if (n == frames-1) continue;
aud_ms[track_num] = vid_ms + shift_ms;
} else
aud_ms[track_num] += (bytes*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0):
(format==0x2000?(double)(mp3rate):aud_bitrate));
}
} else { // fallback
bytes = AVI_audio_size(avifile1, n+shift-1);
do {
if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) {
AVI_print_error("AVI audio read frame");
return(-1);
}
if(AVI_write_audio(avifile2, data, bytes) < 0) {
AVI_print_error("AVI write audio frame");
return(-1);
}
fprintf(status_fd, "V [%05d] | A [%05d] [%05ld]\r", n, n+shift, bytes);
if(n>=frames-2*shift) {
// save audio frame for later
ptr = buffer_register(n);
if(ptr==NULL) {
fprintf(stderr,"buffer allocation failed\n");
break;
}
ac_memcpy(ptr->data, data, bytes);
ptr->size = bytes;
ptr->status = BUFFER_READY;
}
} while (AVI_can_read_audio(avifile1));
}
}
// padding at the end
if(n>=frames-shift) {
if (!ptrlen) {
ptr = buffer_retrieve();
ac_memcpy (ptrdata, ptr->data, ptr->size);
ptrlen = ptr->size;
}
if (tc_format_ms_supported(format)) {
while (aud_ms[track_num] < vid_ms + shift_ms) {
aud_bitrate = (format==0x1||format==0x2000)?1:0;
// mute this -- check if can mute (valid A header)!
if (tc_probe_audio_header(ptrdata, ptrlen) > 0)
tc_format_mute(ptrdata, ptrlen, format);
if(AVI_write_audio(avifile2, ptrdata, ptrlen) < 0) {
AVI_print_error("AVI write audio frame");
return(-1);
}
fprintf(status_fd, " V [%05d][%08.2f] | A [%05d][%08.2f] [%05ld]\r", n, vid_ms, n+shift, aud_ms[track_num], bytes);
if ( !aud_bitrate && tc_get_audio_header(ptrdata, ptrlen, format, NULL, NULL, &aud_bitrate)<0) {
//if (n == frames-1) continue;
aud_ms[track_num] = vid_ms + shift_ms;
} else
aud_ms[track_num] += (ptrlen*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0):
(format==0x2000?(double)(mp3rate):aud_bitrate));
}
} else { // fallback
// get next audio frame
ptr = buffer_retrieve();
while (1) {
printf("ptr->id (%d) ptr->size (%d)\n", ptr->id, ptr->size);
if(ptr==NULL) {
fprintf(stderr,"no buffer found\n");
break;
}
if (encode_null) {
if(AVI_write_audio(avifile2, nulls, nullbytes)<0) {
AVI_print_error("AVI write audio frame");
return(-1);
}
} else {
// simple keep old frames to force exact time delay
if(AVI_write_audio(avifile2, ptr->data, ptr->size)<0) {
AVI_print_error("AVI write audio frame");
return(-1);
}
}
fprintf(status_fd, "V [%05d] | padding\r", n);
if (ptr->next && ptr->next->id == ptr->id) {
buffer_remove(ptr);
ptr = buffer_retrieve();
continue;
}
buffer_remove(ptr);
break;
} // 1
}
}
// *************************************
// negative shift (pad audio at start)
// *************************************
} else {
if (tc_format_ms_supported(format)) {
/*
fprintf(status_fd, "n(%d) -shift(%d) shift_ms (%.2lf) vid_ms(%.2lf) aud_ms[%d](%.2lf) v-s(%.2lf)\n",
n, -shift, shift_ms, vid_ms, track_num, aud_ms[track_num], vid_ms + shift_ms);
*/
// shift<0 -> shift_ms<0 !
while (aud_ms[track_num] < vid_ms) {
/*
fprintf(stderr, " 1 (%02d) %s frame_read len=%4ld (A/V) (%8.2f/%8.2f)\n",
n, format==0x55?"MP3":"AC3", bytes, aud_ms[track_num], vid_ms);
*/
aud_bitrate = (format==0x1||format==0x2000)?1:0;
if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) {
AVI_print_error("AVI 2 audio read frame");
aud_ms[track_num] = vid_ms;
break;
//return(-1);
}
// save audio frame for later
ptr = buffer_register(n);
if(ptr==NULL) {
fprintf(stderr,"buffer allocation failed\n");
break;
}
ac_memcpy(ptr->data, data, bytes);
ptr->size = bytes;
ptr->status = BUFFER_READY;
if(n<-shift) {
// mute this -- check if can mute!
if (tc_probe_audio_header(data, bytes) > 0)
tc_format_mute(data, bytes, format);
// simple keep old frames to force exact time delay
if(AVI_write_audio(avifile2, data, bytes)<0) {
AVI_print_error("AVI write audio frame");
return(-1);
}
fprintf(status_fd, "V [%05d] | padding\r", n);
} else {
if (n==-shift)
fprintf(status_fd, "\n");
// get next audio frame
ptr = buffer_retrieve();
if(ptr==NULL) {
fprintf(stderr,"no buffer found\n");
break;
}
if(AVI_write_audio(avifile2, ptr->data, ptr->size)<0) {
AVI_print_error("AVI write audio frame");
return(-1);
}
bytes = ptr->size;
ac_memcpy (data, ptr->data, bytes);
fprintf(status_fd, "V [%05d] | A [%05d]\r", n, ptr->id);
buffer_remove(ptr);
}
if ( !aud_bitrate && tc_get_audio_header(data, bytes, format, NULL, NULL, &aud_bitrate)<0) {
if (n == frames-1) continue;
aud_ms[track_num] = vid_ms;
} else
aud_ms[track_num] += (bytes*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0):
(format==0x2000?(double)(mp3rate):aud_bitrate));
/*
fprintf(stderr, " 1 (%02d) %s frame_read len=%4ld (A/V) (%8.2f/%8.2f)\n",
n, format==0x55?"MP3":"AC3", bytes, aud_ms[track_num], vid_ms);
*/
}
} else { // no supported format
bytes = AVI_audio_size(avifile1, n);
if(bytes > SIZE_RGB_FRAME) {
fprintf(stderr, "invalid frame size\n");
return(-1);
}
if(AVI_read_audio(avifile1, data, bytes) < 0) {
AVI_print_error("AVI audio read frame");
return(-1);
}
// save audio frame for later
ptr = buffer_register(n);
if(ptr==NULL) {
fprintf(stderr,"buffer allocation failed\n");
break;
}
ac_memcpy(ptr->data, data, bytes);
ptr->size = bytes;
ptr->status = BUFFER_READY;
if(n<-shift) {
if (encode_null) {
if(AVI_write_audio(avifile2, nulls, nullbytes)<0) {
AVI_print_error("AVI write audio frame");
return(-1);
}
} else {
// simple keep old frames to force exact time delay
if(AVI_write_audio(avifile2, data, bytes)<0) {
AVI_print_error("AVI write audio frame");
return(-1);
}
}
fprintf(status_fd, "V [%05d] | padding\r", n);
} else {
// get next audio frame
ptr = buffer_retrieve();
if(ptr==NULL) {
fprintf(stderr,"no buffer found\n");
break;
}
if(AVI_write_audio(avifile2, ptr->data, ptr->size)<0) {
AVI_print_error("AVI write audio frame");
return(-1);
}
fprintf(status_fd, "V [%05d] | A [%05d]\r", n, ptr->id);
buffer_remove(ptr);
}
}
}
}
fprintf(status_fd, "\n");
if (be_quiet) {
fclose(status_fd);
}
AVI_close(avifile1);
AVI_close(avifile2);
if (avifile3) {
memset(nulls, 0, sizeof(nulls));
tc_snprintf(nulls, sizeof(nulls), "rm -f %s", tmp0);
system(nulls);
AVI_close(avifile3);
}
return(0);
}