Skip to content

F
ffmpeg.wasm-core
Commit 61b933f5 authored by Anton Khirnov's avatar Anton Khirnov Committed by Michael Niedermayer
Browse files
Options

ffmpeg: add a wrapper for output AVFormatContexts and merge output_opts into it

parent 0ea58d71
Hide whitespace changes
Inline Side-by-side
Showing with 46 additions and 34 deletions
ffmpeg.c
View file @ 61b933f5
......@@ -114,10 +114,6 @@ static const OptionDef options[];
static const char *last_asked_format = NULL;
static AVDictionary *ts_scale;
static AVFormatContext *output_files[MAX_FILES];
static AVDictionary *output_opts[MAX_FILES];
static int nb_output_files = 0;
static StreamMap *stream_maps = NULL;
static int nb_stream_maps;
......@@ -333,11 +329,19 @@ typedef struct InputFile {
static struct termios oldtty;
#endif
typedef struct OutputFile {
AVFormatContext *ctx;
AVDictionary *opts;
} OutputFile;
static InputStream *input_streams = NULL;
static int nb_input_streams = 0;
static InputFile *input_files = NULL;
static int nb_input_files = 0;
static OutputFile *output_files = NULL;
static int nb_output_files = 0;
#if CONFIG_AVFILTER
static int configure_video_filters(InputStream *ist, OutputStream *ost)
......@@ -517,12 +521,12 @@ static int exit_program(int ret)
/* close files */
for(i=0;i<nb_output_files;i++) {
AVFormatContext *s = output_files[i];
AVFormatContext *s = output_files[i].ctx;
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
avio_close(s->pb);
avformat_free_context(s);
av_free(output_streams_for_file[i]);
av_dict_free(&output_opts[i]);
av_dict_free(&output_files[i].opts);
}
for(i=0;i<nb_input_files;i++) {
av_close_input_file(input_files[i].ctx);
......@@ -542,6 +546,7 @@ static int exit_program(int ret)
av_freep(&input_streams);
av_freep(&input_files);
av_freep(&output_files);
uninit_opts();
av_free(audio_buf);
......@@ -1308,7 +1313,7 @@ static void do_video_stats(AVFormatContext *os, OutputStream *ost,
}
}
static void print_report(AVFormatContext **output_files,
static void print_report(OutputFile *output_files,
OutputStream **ost_table, int nb_ostreams,
int is_last_report)
{
......@@ -1337,7 +1342,7 @@ static void print_report(AVFormatContext **output_files,
}
oc = output_files[0];
oc = output_files[0].ctx;
total_size = avio_size(oc->pb);
if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
......@@ -1663,7 +1668,7 @@ static int output_packet(InputStream *ist, int ist_index,
}
}
#endif
os = output_files[ost->file_index];
os = output_files[ost->file_index].ctx;
/* set the input output pts pairs */
//ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
......@@ -1784,7 +1789,7 @@ static int output_packet(InputStream *ist, int ist_index,
ost = ost_table[i];
if (ost->source_index == ist_index) {
AVCodecContext *enc= ost->st->codec;
os = output_files[ost->file_index];
os = output_files[ost->file_index].ctx;
if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
continue;
......@@ -1865,19 +1870,27 @@ static int output_packet(InputStream *ist, int ist_index,
return 0;
}
static void print_sdp(AVFormatContext **avc, int n)
static void print_sdp(OutputFile *output_files, int n)
{
char sdp[2048];
int i;
AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
if (!avc)
exit_program(1);
for (i = 0; i < n; i++)
avc[i] = output_files[i].ctx;
av_sdp_create(avc, n, sdp, sizeof(sdp));
printf("SDP:\n%s\n", sdp);
fflush(stdout);
av_freep(&avc);
}
/*
* The following code is the main loop of the file converter
*/
static int transcode(AVFormatContext **output_files,
static int transcode(OutputFile *output_files,
int nb_output_files,
InputFile *input_files,
int nb_input_files)
......@@ -1903,9 +1916,9 @@ static int transcode(AVFormatContext **output_files,
/* output stream init */
nb_ostreams = 0;
for(i=0;i<nb_output_files;i++) {
os = output_files[i];
os = output_files[i].ctx;
if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
av_dump_format(output_files[i], i, output_files[i]->filename, 1);
av_dump_format(os, i, os->filename, 1);
fprintf(stderr, "Output file #%d does not contain any stream\n", i);
ret = AVERROR(EINVAL);
goto fail;
......@@ -1918,7 +1931,7 @@ static int transcode(AVFormatContext **output_files,
goto fail;
for(k=0;k<nb_output_files;k++) {
os = output_files[k];
os = output_files[k].ctx;
for(i=0;i<os->nb_streams;i++,n++) {
nb_streams[os->streams[i]->codec->codec_type]++;
}
......@@ -1955,7 +1968,7 @@ static int transcode(AVFormatContext **output_files,
}
n = 0;
for(k=0;k<nb_output_files;k++) {
os = output_files[k];
os = output_files[k].ctx;
for (i = 0; i < os->nb_streams; i++, n++)
ost_table[n] = output_streams_for_file[k][i];
}
......@@ -1963,7 +1976,7 @@ static int transcode(AVFormatContext **output_files,
/* for each output stream, we compute the right encoding parameters */
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
os = output_files[ost->file_index];
os = output_files[ost->file_index].ctx;
ist = &input_streams[ost->source_index];
codec = ost->st->codec;
......@@ -2255,15 +2268,15 @@ static int transcode(AVFormatContext **output_files,
}
/* open files and write file headers */
for(i=0;i<nb_output_files;i++) {
os = output_files[i];
if (avformat_write_header(os, &output_opts[i]) < 0) {
for (i = 0; i < nb_output_files; i++) {
os = output_files[i].ctx;
if (avformat_write_header(os, &output_files[i].opts) < 0) {
snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
ret = AVERROR(EINVAL);
goto dump_format;
}
// assert_avoptions(output_opts[i]);
if (strcmp(output_files[i]->oformat->name, "rtp")) {
// assert_avoptions(output_files[i].opts);
if (strcmp(os->oformat->name, "rtp")) {
want_sdp = 0;
}
}
......@@ -2272,7 +2285,7 @@ static int transcode(AVFormatContext **output_files,
/* dump the file output parameters - cannot be done before in case
of stream copy */
for(i=0;i<nb_output_files;i++) {
av_dump_format(output_files[i], i, output_files[i]->filename, 1);
av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
}
/* dump the stream mapping */
......@@ -2408,7 +2421,7 @@ static int transcode(AVFormatContext **output_files,
int64_t ipts;
double opts;
ost = ost_table[i];
os = output_files[ost->file_index];
os = output_files[ost->file_index].ctx;
ist = &input_streams[ost->source_index];
if(ist->is_past_recording_time || no_packet[ist->file_index])
continue;
......@@ -2441,7 +2454,7 @@ static int transcode(AVFormatContext **output_files,
}
/* finish if limit size exhausted */
if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0].ctx->pb))
break;
/* read a frame from it and output it in the fifo */
......@@ -2538,7 +2551,7 @@ static int transcode(AVFormatContext **output_files,
/* write the trailer if needed and close file */
for(i=0;i<nb_output_files;i++) {
os = output_files[i];
os = output_files[i].ctx;
av_write_trailer(os);
}
......@@ -3622,7 +3635,7 @@ static int read_ffserver_streams(AVFormatContext *s, const char *filename)
static int copy_chapters(int infile, int outfile)
{
AVFormatContext *is = input_files[infile].ctx;
AVFormatContext *os = output_files[outfile];
AVFormatContext *os = output_files[outfile].ctx;
int i;
for (i = 0; i < is->nb_chapters; i++) {
......@@ -3667,11 +3680,6 @@ static int opt_output_file(const char *opt, const char *filename)
OutputStream *ost;
InputStream *ist;
if(nb_output_files >= FF_ARRAY_ELEMS(output_files)){
fprintf(stderr, "Too many output files\n");
exit_program(1);
}
if (!strcmp(filename, "-"))
filename = "pipe:";
......@@ -3768,8 +3776,12 @@ static int opt_output_file(const char *opt, const char *filename)
av_dict_copy(&oc->metadata, metadata, 0);
av_dict_free(&metadata);
av_dict_copy(&output_opts[nb_output_files], format_opts, 0);
output_files[nb_output_files++] = oc;
if (nb_output_files == MAX_FILES)
exit_program(1); /* a temporary hack until all the other MAX_FILES-sized arrays are removed */
output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
output_files[nb_output_files - 1].ctx = oc;
av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
/* check filename in case of an image number is expected */
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment