return 1;
}
+static AVFilterFormats *clone_filter_formats(AVFilterFormats *arg)
+{
+ AVFilterFormats *a = av_memdup(arg, sizeof(*arg));
+ if (a) {
+ a->refcount = 0;
+ a->refs = NULL;
+ a->formats = av_memdup(a->formats, sizeof(*a->formats) * a->nb_formats);
+ if (!a->formats && arg->formats)
+ av_freep(&a);
+ }
+ return a;
+}
+
+static int can_merge_formats(AVFilterFormats *a_arg,
+ AVFilterFormats *b_arg,
+ enum AVMediaType type,
+ int is_sample_rate)
+{
+ AVFilterFormats *a, *b, *ret;
+ if (a == b)
+ return 1;
+ a = clone_filter_formats(a_arg);
+ b = clone_filter_formats(b_arg);
+ if (is_sample_rate) {
+ ret = ff_merge_samplerates(a, b);
+ } else {
+ ret = ff_merge_formats(a, b, type);
+ }
+ if (ret) {
+ av_freep(&ret->formats);
+ av_freep(&ret);
+ return 1;
+ } else {
+ av_freep(&a->formats);
+ av_freep(&b->formats);
+ av_freep(&a);
+ av_freep(&b);
+ return 0;
+ }
+}
+
/**
* Perform one round of query_formats() and merging formats lists on the
* filter graph.
if (!link)
continue;
+ if (link->in_formats != link->out_formats
+ && link->in_formats && link->out_formats)
+ if (!can_merge_formats(link->in_formats, link->out_formats,
+ link->type, 0))
+ convert_needed = 1;
+ if (link->type == AVMEDIA_TYPE_AUDIO) {
+ if (link->in_samplerates != link->out_samplerates
+ && link->in_samplerates && link->out_samplerates)
+ if (!can_merge_formats(link->in_samplerates,
+ link->out_samplerates,
+ 0, 1))
+ convert_needed = 1;
+ }
+
#define MERGE_DISPATCH(field, statement) \
if (!(link->in_ ## field && link->out_ ## field)) { \
count_delayed++; \
} else if (link->in_ ## field == link->out_ ## field) { \
count_already_merged++; \
- } else { \
+ } else if (!convert_needed) { \
count_merged++; \
statement \
}
- MERGE_DISPATCH(formats,
- if (!ff_merge_formats(link->in_formats, link->out_formats,
- link->type))
- convert_needed = 1;
- )
+
if (link->type == AVMEDIA_TYPE_AUDIO) {
MERGE_DISPATCH(channel_layouts,
if (!ff_merge_channel_layouts(link->in_channel_layouts,
convert_needed = 1;
)
}
+ MERGE_DISPATCH(formats,
+ if (!ff_merge_formats(link->in_formats, link->out_formats,
+ link->type))
+ convert_needed = 1;
+ )
#undef MERGE_DISPATCH
if (convert_needed) {