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-rw-r--r--Changelog2
-rw-r--r--avconv_opt.c89
2 files changed, 91 insertions, 0 deletions
diff --git a/Changelog b/Changelog
index 4df4b8dbd1..15c0873768 100644
--- a/Changelog
+++ b/Changelog
@@ -5,6 +5,8 @@ version 10:
- av_strnstr
- support ID3v2 tags in ASF files
- reference-counting for AVFrame and AVPacket data
+- avconv now fails when input options are used for output file
+ or vice versa
version 9:
diff --git a/avconv_opt.c b/avconv_opt.c
index 1d2a7efd49..30fbadf07a 100644
--- a/avconv_opt.c
+++ b/avconv_opt.c
@@ -119,6 +119,24 @@ static void init_options(OptionsContext *o)
o->chapters_input_file = INT_MAX;
}
+/* return a copy of the input with the stream specifiers removed from the keys */
+static AVDictionary *strip_specifiers(AVDictionary *dict)
+{
+ AVDictionaryEntry *e = NULL;
+ AVDictionary *ret = NULL;
+
+ while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
+ char *p = strchr(e->key, ':');
+
+ if (p)
+ *p = 0;
+ av_dict_set(&ret, e->key, e->value, 0);
+ if (p)
+ *p = ':';
+ }
+ return ret;
+}
+
static double parse_frame_aspect_ratio(const char *arg)
{
int x = 0, y = 0;
@@ -553,6 +571,8 @@ static int open_input_file(OptionsContext *o, const char *filename)
int64_t timestamp;
uint8_t buf[128];
AVDictionary **opts;
+ AVDictionary *unused_opts = NULL;
+ AVDictionaryEntry *e = NULL;
int orig_nb_streams; // number of streams before avformat_find_stream_info
if (o->format) {
@@ -666,6 +686,39 @@ static int open_input_file(OptionsContext *o, const char *filename)
f->nb_streams = ic->nb_streams;
f->rate_emu = o->rate_emu;
+ /* check if all codec options have been used */
+ unused_opts = strip_specifiers(o->g->codec_opts);
+ for (i = f->ist_index; i < nb_input_streams; i++) {
+ e = NULL;
+ while ((e = av_dict_get(input_streams[i]->opts, "", e,
+ AV_DICT_IGNORE_SUFFIX)))
+ av_dict_set(&unused_opts, e->key, NULL, 0);
+ }
+
+ e = NULL;
+ while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
+ const AVClass *class = avcodec_get_class();
+ const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
+ if (!option)
+ continue;
+ if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
+ av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
+ "input file #%d (%s) is not a decoding option.\n", e->key,
+ option->help ? option->help : "", nb_input_files - 1,
+ filename);
+ exit(1);
+ }
+
+ av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
+ "input file #%d (%s) has not been used for any stream. The most "
+ "likely reason is either wrong type (e.g. a video option with "
+ "no video streams) or that it is a private option of some decoder "
+ "which was not actually used for any stream.\n", e->key,
+ option->help ? option->help : "", nb_input_files - 1, filename);
+ }
+ av_dict_free(&unused_opts);
+
for (i = 0; i < o->nb_dump_attachment; i++) {
int j;
@@ -1179,6 +1232,8 @@ static int open_output_file(OptionsContext *o, const char *filename)
OutputFile *of;
OutputStream *ost;
InputStream *ist;
+ AVDictionary *unused_opts = NULL;
+ AVDictionaryEntry *e = NULL;
if (configure_complex_filters() < 0) {
av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
@@ -1384,6 +1439,40 @@ loop_end:
of->shortest = o->shortest;
av_dict_copy(&of->opts, o->g->format_opts, 0);
+
+ /* check if all codec options have been used */
+ unused_opts = strip_specifiers(o->g->codec_opts);
+ for (i = of->ost_index; i < nb_output_streams; i++) {
+ e = NULL;
+ while ((e = av_dict_get(output_streams[i]->opts, "", e,
+ AV_DICT_IGNORE_SUFFIX)))
+ av_dict_set(&unused_opts, e->key, NULL, 0);
+ }
+
+ e = NULL;
+ while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
+ const AVClass *class = avcodec_get_class();
+ const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
+ if (!option)
+ continue;
+ if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
+ av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
+ "output file #%d (%s) is not an encoding option.\n", e->key,
+ option->help ? option->help : "", nb_output_files - 1,
+ filename);
+ exit(1);
+ }
+
+ av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
+ "output file #%d (%s) has not been used for any stream. The most "
+ "likely reason is either wrong type (e.g. a video option with "
+ "no video streams) or that it is a private option of some encoder "
+ "which was not actually used for any stream.\n", e->key,
+ option->help ? option->help : "", nb_output_files - 1, filename);
+ }
+ av_dict_free(&unused_opts);
+
/* check filename in case of an image number is expected */
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->filename)) {