[FFmpeg-devel] [PATCH 26/27] fftools/ffmpeg_opt: factor manually mapping streams out of open_output_file()
Anton Khirnov
anton at khirnov.net
Sat Jul 23 17:09:51 EEST 2022
---
fftools/ffmpeg_opt.c | 157 ++++++++++++++++++++++---------------------
1 file changed, 81 insertions(+), 76 deletions(-)
diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c
index a472b254cb..672ac87b3e 100644
--- a/fftools/ffmpeg_opt.c
+++ b/fftools/ffmpeg_opt.c
@@ -2632,13 +2632,91 @@ static void map_auto_data(OutputFile *of, AVFormatContext *oc,
}
}
+static void map_manual(OutputFile *of, AVFormatContext *oc,
+ OptionsContext *o, const StreamMap *map)
+{
+ InputStream *ist;
+ OutputStream *ost;
+
+ if (map->disabled)
+ return;
+
+ if (map->linklabel) {
+ FilterGraph *fg;
+ OutputFilter *ofilter = NULL;
+ int j, k;
+
+ for (j = 0; j < nb_filtergraphs; j++) {
+ fg = filtergraphs[j];
+ for (k = 0; k < fg->nb_outputs; k++) {
+ AVFilterInOut *out = fg->outputs[k]->out_tmp;
+ if (out && !strcmp(out->name, map->linklabel)) {
+ ofilter = fg->outputs[k];
+ goto loop_end;
+ }
+ }
+ }
+loop_end:
+ if (!ofilter) {
+ av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
+ "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
+ exit_program(1);
+ }
+ init_output_filter(ofilter, o, oc);
+ } else {
+ int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
+
+ ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
+ if (ist->user_set_discard == AVDISCARD_ALL) {
+ av_log(NULL, AV_LOG_FATAL, "Stream #%d:%d is disabled and cannot be mapped.\n",
+ map->file_index, map->stream_index);
+ exit_program(1);
+ }
+ if(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
+ return;
+ if(o-> audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
+ return;
+ if(o-> video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
+ return;
+ if(o-> data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
+ return;
+
+ ost = NULL;
+ switch (ist->st->codecpar->codec_type) {
+ case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
+ case AVMEDIA_TYPE_UNKNOWN:
+ if (copy_unknown_streams) {
+ ost = new_unknown_stream (o, oc, src_idx);
+ break;
+ }
+ default:
+ av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
+ "Cannot map stream #%d:%d - unsupported type.\n",
+ map->file_index, map->stream_index);
+ if (!ignore_unknown_streams) {
+ av_log(NULL, AV_LOG_FATAL,
+ "If you want unsupported types ignored instead "
+ "of failing, please use the -ignore_unknown option\n"
+ "If you want them copied, please use -copy_unknown\n");
+ exit_program(1);
+ }
+ }
+ if (ost)
+ ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
+ + map->sync_stream_index];
+ }
+}
+
static int open_output_file(OptionsContext *o, const char *filename)
{
AVFormatContext *oc;
int i, j, err;
OutputFile *of;
OutputStream *ost;
- InputStream *ist;
AVDictionary *unused_opts = NULL, *format_opts = NULL;
const AVDictionaryEntry *e = NULL;
@@ -2718,81 +2796,8 @@ static int open_output_file(OptionsContext *o, const char *filename)
if (!o->data_disable)
map_auto_data(of, oc, o);
} else {
- for (i = 0; i < o->nb_stream_maps; i++) {
- StreamMap *map = &o->stream_maps[i];
-
- if (map->disabled)
- continue;
-
- if (map->linklabel) {
- FilterGraph *fg;
- OutputFilter *ofilter = NULL;
- int j, k;
-
- for (j = 0; j < nb_filtergraphs; j++) {
- fg = filtergraphs[j];
- for (k = 0; k < fg->nb_outputs; k++) {
- AVFilterInOut *out = fg->outputs[k]->out_tmp;
- if (out && !strcmp(out->name, map->linklabel)) {
- ofilter = fg->outputs[k];
- goto loop_end;
- }
- }
- }
-loop_end:
- if (!ofilter) {
- av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
- "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
- exit_program(1);
- }
- init_output_filter(ofilter, o, oc);
- } else {
- int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
-
- ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
- if (ist->user_set_discard == AVDISCARD_ALL) {
- av_log(NULL, AV_LOG_FATAL, "Stream #%d:%d is disabled and cannot be mapped.\n",
- map->file_index, map->stream_index);
- exit_program(1);
- }
- if(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
- continue;
- if(o-> audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
- continue;
- if(o-> video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
- continue;
- if(o-> data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
- continue;
-
- ost = NULL;
- switch (ist->st->codecpar->codec_type) {
- case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
- case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
- case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
- case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
- case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
- case AVMEDIA_TYPE_UNKNOWN:
- if (copy_unknown_streams) {
- ost = new_unknown_stream (o, oc, src_idx);
- break;
- }
- default:
- av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
- "Cannot map stream #%d:%d - unsupported type.\n",
- map->file_index, map->stream_index);
- if (!ignore_unknown_streams) {
- av_log(NULL, AV_LOG_FATAL,
- "If you want unsupported types ignored instead "
- "of failing, please use the -ignore_unknown option\n"
- "If you want them copied, please use -copy_unknown\n");
- exit_program(1);
- }
- }
- if (ost)
- ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
- + map->sync_stream_index];
- }
- }
+ for (int i = 0; i < o->nb_stream_maps; i++)
+ map_manual(of, oc, o, &o->stream_maps[i]);
}
/* handle attached files */
--
2.34.1
More information about the ffmpeg-devel
mailing list