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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00

ffprobe: support codec options

Make ffprobe honour codec options, and support stream specifiers like it
is done in ffplay.

In particular, address Trac ticket #1859.
This commit is contained in:
Stefano Sabatini 2013-03-07 00:47:59 +01:00
parent 8bb5680d90
commit 1019cef329

View File

@ -1793,9 +1793,10 @@ static void show_error(WriterContext *w, int err)
static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
{
int err, i;
int err, i, orig_nb_streams;
AVFormatContext *fmt_ctx = NULL;
AVDictionaryEntry *t;
AVDictionary **opts;
if ((err = avformat_open_input(&fmt_ctx, filename,
iformat, &format_opts)) < 0) {
@ -1807,12 +1808,17 @@ static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
return AVERROR_OPTION_NOT_FOUND;
}
/* fill the streams in the format context */
if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
orig_nb_streams = fmt_ctx->nb_streams;
if ((err = avformat_find_stream_info(fmt_ctx, opts)) < 0) {
print_error(filename, err);
return err;
}
for (i = 0; i < orig_nb_streams; i++)
av_dict_free(&opts[i]);
av_freep(&opts);
av_dump_format(fmt_ctx, 0, filename, 0);
@ -1829,9 +1835,18 @@ static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
av_log(NULL, AV_LOG_ERROR,
"Unsupported codec with id %d for input stream %d\n",
stream->codec->codec_id, stream->index);
} else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error while opening codec for input stream %d\n",
stream->index);
} else {
AVDictionary *opts = filter_codec_opts(codec_opts, stream->codec->codec_id,
fmt_ctx, stream, codec);
if (avcodec_open2(stream->codec, codec, &opts) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error while opening codec for input stream %d\n",
stream->index);
}
if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
t->key, stream->index);
return AVERROR_OPTION_NOT_FOUND;
}
}
}