diff options
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/buffersink.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/libavfilter/buffersink.c b/libavfilter/buffersink.c index 76a46f6678..9338969bf1 100644 --- a/libavfilter/buffersink.c +++ b/libavfilter/buffersink.c @@ -62,6 +62,29 @@ typedef struct BufferSinkContext { #define NB_ITEMS(list) (list ## _size / sizeof(*list)) +static void cleanup_redundant_layouts(AVFilterContext *ctx) +{ + BufferSinkContext *buf = ctx->priv; + int nb_layouts = NB_ITEMS(buf->channel_layouts); + int nb_counts = NB_ITEMS(buf->channel_counts); + uint64_t counts = 0; + int i, lc, n; + + for (i = 0; i < nb_counts; i++) + if (buf->channel_counts[i] < 64) + counts |= 1 << buf->channel_counts[i]; + for (i = lc = 0; i < nb_layouts; i++) { + n = av_get_channel_layout_nb_channels(buf->channel_layouts[i]); + if (n < 64 && (counts & (1 << n))) + av_log(ctx, AV_LOG_WARNING, + "Removing channel layout 0x%"PRIx64", redundant with %d channels\n", + buf->channel_layouts[i], n); + else + buf->channel_layouts[lc++] = buf->channel_layouts[i]; + } + buf->channel_layouts_size = lc * sizeof(*buf->channel_layouts); +} + int attribute_align_arg av_buffersink_get_frame(AVFilterContext *ctx, AVFrame *frame) { return av_buffersink_get_frame_flags(ctx, frame, 0); @@ -253,6 +276,7 @@ static int asink_query_formats(AVFilterContext *ctx) if (buf->channel_layouts_size || buf->channel_counts_size || buf->all_channel_counts) { + cleanup_redundant_layouts(ctx); for (i = 0; i < NB_ITEMS(buf->channel_layouts); i++) if ((ret = ff_add_channel_layout(&layouts, buf->channel_layouts[i])) < 0) return ret; |