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fftools/ffmpeg: factor out copying metadata/chapters from of_open() 

This code shares variables like OptionsContext.metadata_*_manual, so it
makes sense to group it together.
This commit is contained in:
Anton Khirnov 2022-10-18 11:45:44 +02:00
parent 21ef1f2cec
commit 5ccc151bf2
1 changed files with 66 additions and 57 deletions
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123
fftools/ffmpeg_mux_init.c
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@ -1543,6 +1543,70 @@ static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFor
return 0;
}
static void copy_meta(Muxer *mux, OptionsContext *o)
{
OutputFile *of = &mux->of;
AVFormatContext *oc = mux->fc;
/* copy metadata */
for (int i = 0; i < o->nb_metadata_map; i++) {
char *p;
int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
if (in_file_index >= nb_input_files) {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
exit_program(1);
}
copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
in_file_index >= 0 ?
input_files[in_file_index]->ctx : NULL, o);
}
/* copy chapters */
if (o->chapters_input_file >= nb_input_files) {
if (o->chapters_input_file == INT_MAX) {
/* copy chapters from the first input file that has them*/
o->chapters_input_file = -1;
for (int i = 0; i < nb_input_files; i++)
if (input_files[i]->ctx->nb_chapters) {
o->chapters_input_file = i;
break;
}
} else {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
o->chapters_input_file);
exit_program(1);
}
}
if (o->chapters_input_file >= 0)
copy_chapters(input_files[o->chapters_input_file], of, oc,
!o->metadata_chapters_manual);
/* copy global metadata by default */
if (!o->metadata_global_manual && nb_input_files){
av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
AV_DICT_DONT_OVERWRITE);
if(o->recording_time != INT64_MAX)
av_dict_set(&oc->metadata, "duration", NULL, 0);
av_dict_set(&oc->metadata, "creation_time", NULL, 0);
av_dict_set(&oc->metadata, "company_name", NULL, 0);
av_dict_set(&oc->metadata, "product_name", NULL, 0);
av_dict_set(&oc->metadata, "product_version", NULL, 0);
}
if (!o->metadata_streams_manual)
for (int i = 0; i < of->nb_streams; i++) {
OutputStream *ost = of->streams[i];
InputStream *ist;
if (ost->source_index < 0) /* this is true e.g. for attached files */
continue;
ist = input_streams[ost->source_index];
av_dict_copy(&ost->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
if (ost->enc_ctx) {
av_dict_set(&ost->st->metadata, "encoder", NULL, 0);
}
}
}
static int set_dispositions(OutputFile *of, AVFormatContext *ctx)
{
int nb_streams[AVMEDIA_TYPE_NB] = { 0 };
@ -1849,63 +1913,8 @@ int of_open(OptionsContext *o, const char *filename)
}
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
/* copy metadata */
for (i = 0; i < o->nb_metadata_map; i++) {
char *p;
int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
if (in_file_index >= nb_input_files) {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
exit_program(1);
}
copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
in_file_index >= 0 ?
input_files[in_file_index]->ctx : NULL, o);
}
/* copy chapters */
if (o->chapters_input_file >= nb_input_files) {
if (o->chapters_input_file == INT_MAX) {
/* copy chapters from the first input file that has them*/
o->chapters_input_file = -1;
for (i = 0; i < nb_input_files; i++)
if (input_files[i]->ctx->nb_chapters) {
o->chapters_input_file = i;
break;
}
} else {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
o->chapters_input_file);
exit_program(1);
}
}
if (o->chapters_input_file >= 0)
copy_chapters(input_files[o->chapters_input_file], of, oc,
!o->metadata_chapters_manual);
/* copy global metadata by default */
if (!o->metadata_global_manual && nb_input_files){
av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
AV_DICT_DONT_OVERWRITE);
if(o->recording_time != INT64_MAX)
av_dict_set(&oc->metadata, "duration", NULL, 0);
av_dict_set(&oc->metadata, "creation_time", NULL, 0);
av_dict_set(&oc->metadata, "company_name", NULL, 0);
av_dict_set(&oc->metadata, "product_name", NULL, 0);
av_dict_set(&oc->metadata, "product_version", NULL, 0);
}
if (!o->metadata_streams_manual)
for (int i = 0; i < of->nb_streams; i++) {
OutputStream *ost = of->streams[i];
InputStream *ist;
if (ost->source_index < 0) /* this is true e.g. for attached files */
continue;
ist = input_streams[ost->source_index];
av_dict_copy(&ost->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
if (ost->enc_ctx) {
av_dict_set(&ost->st->metadata, "encoder", NULL, 0);
}
}
/* copy metadata and chapters from input files */
copy_meta(mux, o);
of_add_programs(oc, o);
of_add_metadata(of, oc, o);