generic-library/ffmpeg
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Redesign opt_programid code.

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Its now possible to also select programs per input file and there is
less code duplication.

Originally committed as revision 21999 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-02-23 15:08:41 +00:00
parent 6c6e6ef5e2
commit 6d3d3b836f
1 changed files with 38 additions and 41 deletions
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79
ffmpeg.c
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@ -1646,32 +1646,6 @@ static void print_sdp(AVFormatContext **avc, int n)
fflush(stdout);
}
static int stream_index_from_inputs(AVFormatContext **input_files,
int nb_input_files,
AVInputFile *file_table,
AVInputStream **ist_table,
enum CodecType type,
int programid)
{
int p, q, z;
for(z=0; z<nb_input_files; z++) {
AVFormatContext *ic = input_files[z];
for(p=0; p<ic->nb_programs; p++) {
AVProgram *program = ic->programs[p];
if(program->id != programid)
continue;
for(q=0; q<program->nb_stream_indexes; q++) {
int sidx = program->stream_index[q];
int ris = file_table[z].ist_index + sidx;
if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
return ris;
}
}
}
return -1;
}
/*
* The following code is the main loop of the file converter
*/
@ -1802,34 +1776,40 @@ static int av_encode(AVFormatContext **output_files,
av_exit(1);
}
} else {
if(opt_programid) {
found = 0;
j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
if(j != -1) {
ost->source_index = j;
found = 1;
}
} else {
/* get corresponding input stream index : we select the first one with the right type */
found = 0;
for(j=0;j<nb_istreams;j++) {
int skip=0;
ist = ist_table[j];
if (ist->discard &&
if(opt_programid){
int pi,si;
AVFormatContext *f= input_files[ ist->file_index ];
skip=1;
for(pi=0; pi<f->nb_programs; pi++){
AVProgram *p= f->programs[pi];
if(p->id == opt_programid)
for(si=0; si<p->nb_stream_indexes; si++){
if(f->streams[ p->stream_index[si] ] == ist->st)
skip=0;
}
}
}
if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
ist->st->codec->codec_type == ost->st->codec->codec_type) {
ost->source_index = j;
found = 1;
break;
}
}
}
if (!found) {
if(! opt_programid) {
/* try again and reuse existing stream */
for(j=0;j<nb_istreams;j++) {
ist = ist_table[j];
if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
if ( ist->st->codec->codec_type == ost->st->codec->codec_type
&& ist->st->discard != AVDISCARD_ALL) {
ost->source_index = j;
found = 1;
}
@ -2909,10 +2889,27 @@ static void opt_input_file(const char *filename)
av_exit(1);
}
if(opt_programid) {
int i;
for(i=0; i<ic->nb_programs; i++)
if(ic->programs[i]->id != opt_programid)
ic->programs[i]->discard = AVDISCARD_ALL;
int i, j;
int found=0;
for(i=0; i<ic->nb_streams; i++){
ic->streams[i]->discard= AVDISCARD_ALL;
}
for(i=0; i<ic->nb_programs; i++){
AVProgram *p= ic->programs[i];
if(p->id != opt_programid){
p->discard = AVDISCARD_ALL;
}else{
found=1;
for(j=0; j<p->nb_stream_indexes; j++){
ic->streams[p->stream_index[j]]->discard= 0;
}
}
}
if(!found){
fprintf(stderr, "Specified program id not found\n");
av_exit(1);
}
opt_programid=0;
}
ic->loop_input = loop_input;