void
avi_reader_c::create_subs_packetizer(int idx) {
auto &demuxer = m_subtitle_demuxers[idx];
if (!demuxing_requested('s', 1 + AVI_audio_tracks(m_avi) + idx, demuxer.m_sub_language))
return;
m_ti.m_private_data.reset();
demuxer.m_text_io = mm_text_io_cptr(new mm_text_io_c(new mm_mem_io_c(demuxer.m_subtitles->get_buffer(), demuxer.m_subtitles->get_size())));
if (avi_subs_demuxer_t::TYPE_SRT == demuxer.m_type)
create_srt_packetizer(idx);
else if (avi_subs_demuxer_t::TYPE_SSA == demuxer.m_type)
create_ssa_packetizer(idx);
}
void
avi_reader_c::identify_attachments() {
size_t i;
for (i = 0; m_subtitle_demuxers.size() > i; ++i) {
try {
avi_subs_demuxer_t &demuxer = m_subtitle_demuxers[i];
mm_text_io_c text_io(new mm_mem_io_c(demuxer.m_subtitles->get_buffer(), demuxer.m_subtitles->get_size()));
ssa_parser_c parser(this, &text_io, m_ti.m_fname, i + 1 + AVI_audio_tracks(m_avi));
parser.set_attachment_id_base(g_attachments.size());
parser.parse();
} catch (...) {
}
}
for (i = 0; i < g_attachments.size(); i++)
id_result_attachment(g_attachments[i].ui_id, g_attachments[i].mime_type, g_attachments[i].data->get_size(), g_attachments[i].name, g_attachments[i].description);
}
void
avi_reader_c::create_ssa_packetizer(int idx) {
avi_subs_demuxer_t &demuxer = m_subtitle_demuxers[idx];
int id = idx + 1 + AVI_audio_tracks(m_avi);
ssa_parser_c *parser = new ssa_parser_c(this, demuxer.m_text_io.get(), m_ti.m_fname, id);
demuxer.m_subs = subtitles_cptr(parser);
charset_converter_cptr cc_utf8 = map_has_key(m_ti.m_sub_charsets, id) ? charset_converter_c::init(m_ti.m_sub_charsets[id])
: map_has_key(m_ti.m_sub_charsets, -1) ? charset_converter_c::init(m_ti.m_sub_charsets[-1])
: demuxer.m_text_io->get_byte_order() != BO_NONE ? charset_converter_c::init("UTF-8")
: g_cc_local_utf8;
parser->set_charset_converter(cc_utf8);
parser->set_attachment_id_base(g_attachments.size());
parser->parse();
m_ti.m_private_data = memory_c::clone(parser->get_global());
demuxer.m_ptzr = add_packetizer(new textsubs_packetizer_c(this, m_ti, parser->is_ass() ? MKV_S_TEXTASS : MKV_S_TEXTSSA, false, false));
show_packetizer_info(id, PTZR(demuxer.m_ptzr));
}
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_available_track_ids() {
// Yes, '>=' is correct. Don't forget the video track!
add_available_track_id_range(AVI_audio_tracks(m_avi) + m_subtitle_demuxers.size() + 1);
}
static int merger(avi_t *out, char *file)
{
avi_t *in;
long frames, n, bytes;
int key, j, aud_tracks;
static int init = 0;
static int vid_chunks = 0;
double fps;
static double vid_ms;
static double aud_ms[AVI_MAX_TRACKS];
int have_printed=0;
int do_drop_video=0;
if (!init) {
for (j=0; j<AVI_MAX_TRACKS; j++)
aud_ms[j] = 0.0;
vid_ms = 0;
vid_chunks = 0;
init = 1;
}
if(indexfile) {
if (NULL == (in = AVI_open_input_indexfile(file, 0, indexfile))) {
AVI_print_error("AVI open with indexfile");
return(-1);
}
}
else if(NULL == (in = AVI_open_input_file(file,1))) {
AVI_print_error("AVI open");
return(-1);
}
AVI_seek_start(in);
fps = AVI_frame_rate(in);
frames = AVI_video_frames(in);
aud_tracks = AVI_audio_tracks(in);
for (n=0; n<frames; ++n) {
++vid_chunks;
vid_ms = vid_chunks*1000.0/fps;
// audio
for(j=0; j<aud_tracks; ++j) {
int ret;
double old_ms = aud_ms[j];
AVI_set_audio_track(in, j);
AVI_set_audio_track(out, j);
ret = sync_audio_video_avi2avi (vid_ms, &aud_ms[j], in, out);
if (ret<0) {
if (ret==-2) {
if (aud_ms[j] == old_ms) {
do_drop_video = 1;
if (!have_printed) {
fprintf(stderr, "\nNo audiodata left for track %d->%d (%.2f=%.2f) %s ..\n",
AVI_get_audio_track(in), AVI_get_audio_track(out),
old_ms, aud_ms[j], (do_drop_video && drop_video)?"breaking (-c)":"continuing");
have_printed++;
}
}
} else {
fprintf(stderr, "\nAn error happend at frame %ld track %d\n", n, j);
}
}
}
if (do_drop_video && drop_video) {
fprintf(stderr, "\n[avimerge] Dropping %ld frames\n", frames-n-1);
goto out;
}
// video
bytes = AVI_read_frame(in, data, &key);
if(bytes < 0) {
AVI_print_error("AVI read video frame");
return(-1);
}
if(AVI_write_frame(out, data, bytes, key)<0) {
AVI_print_error("AVI write video frame");
return(-1);
}
// progress
fprintf(stderr, "[%s] (%06ld-%06ld) (%.2f <-> %.2f)\r", file, sum_frames, sum_frames + n, vid_ms, aud_ms[0]);
}
out:
fprintf(stderr, "\n");
AVI_close(in);
sum_frames += n;
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);
}
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);
}
