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avfilter/avfiltergraph: only print format lists for failing mergers

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Instead of printing all format lists on a link negotiation error, just print
the relevant/failing format lists.
This commit is contained in:
Niklas Haas
2025-11-06 18:09:36 +01:00
parent 7b564e2efc
commit 6c3a63112b
1 changed files with 13 additions and 8 deletions
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21
libavfilter/avfiltergraph.c
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@@ -443,7 +443,9 @@ static int formats_declared(AVFilterContext *f)
return 1;
}
static void print_link_formats(void *log_ctx, int level, const AVFilterLink *l)
static void print_link_formats(void *log_ctx, int level, const AVFilterLink *l,
const AVFilterFormatsMerger *mergers[],
int nb_mergers)
{
if (av_log_get_level() < level)
return;
@@ -454,9 +456,8 @@ static void print_link_formats(void *log_ctx, int level, const AVFilterLink *l)
av_log(log_ctx, level, "Link '%s.%s' -> '%s.%s':\n",
l->src->name, l->srcpad->name, l->dst->name, l->dstpad->name);
const AVFilterNegotiation *neg = ff_filter_get_negotiation(l);
for (unsigned i = 0; i < neg->nb_mergers; i++) {
const AVFilterFormatsMerger *m = &neg->mergers[i];
for (unsigned i = 0; i < nb_mergers; i++) {
const AVFilterFormatsMerger *m = mergers[i];
av_log(log_ctx, level, " %s:\n", m->name);
m->print_list(&bp, FF_FIELD_AT(void *, m->offset, l->incfg));
if (av_bprint_is_complete(&bp))
@@ -554,8 +555,9 @@ retry:
AVFilterLink *link = filter->inputs[j];
const AVFilterNegotiation *neg;
AVFilterContext *conv[4];
const AVFilterFormatsMerger *mergers[4]; /* triggered mergers */
const char *conv_filters[4], *conv_opts[4] = {0};
unsigned neg_step, num_conv = 0;
unsigned neg_step, num_conv = 0, num_mergers = 0;
if (!link)
continue;
@@ -578,6 +580,8 @@ retry:
conv_opts[num_conv] = FF_FIELD_AT(char *, m->conversion_opts_offset, *graph);
num_conv++;
}
av_assert1(num_mergers < FF_ARRAY_ELEMS(mergers));
mergers[num_mergers++] = m;
}
}
for (neg_step = 0; neg_step < neg->nb_mergers; neg_step++) {
@@ -594,6 +598,7 @@ retry:
if (ret < 0)
return ret;
if (!ret) {
mergers[num_mergers++] = m;
conv_filters[num_conv] = m->conversion_filter;
if (m->conversion_opts_offset)
conv_opts[num_conv] = FF_FIELD_AT(char *, m->conversion_opts_offset, *graph);
@@ -616,7 +621,7 @@ retry:
"The filters '%s' and '%s' do not have a common format "
"and automatic conversion is disabled.\n",
link->src->name, link->dst->name);
print_link_formats(log_ctx, AV_LOG_ERROR, link);
print_link_formats(log_ctx, AV_LOG_ERROR, link, mergers, num_mergers);
return AVERROR(EINVAL);
}
@@ -624,7 +629,7 @@ retry:
av_log(log_ctx, AV_LOG_ERROR,
"'%s' filter not present, cannot convert formats.\n",
conv_filters[k]);
print_link_formats(log_ctx, AV_LOG_ERROR, link);
print_link_formats(log_ctx, AV_LOG_ERROR, link, mergers, num_mergers);
return AVERROR(EINVAL);
}
snprintf(inst_name, sizeof(inst_name), "auto_%s_%d",
@@ -687,7 +692,7 @@ retry:
av_log(log_ctx, AV_LOG_ERROR,
"Impossible to convert between the formats supported by the filter "
"'%s' and the filter '%s'\n", link->src->name, link->dst->name);
print_link_formats(log_ctx, AV_LOG_ERROR, link);
print_link_formats(log_ctx, AV_LOG_ERROR, link, &m, 1);
return AVERROR(ENOSYS);
} else {
count_merged += 2;