X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Fbuffersink.c;h=3206bd9dfe406141901e8f6a215d0655009d7fc5;hb=0701ff2c321e7628daafc6c916ee283b757b08e1;hp=de48b3d579ee5e878ef65adb3fe88ee911651514;hpb=696634c5fa5894b4adeb240191a723ec77a30756;p=ffmpeg

diff --git a/libavfilter/buffersink.c b/libavfilter/buffersink.c
index de48b3d579e..3206bd9dfe4 100644
--- a/libavfilter/buffersink.c
+++ b/libavfilter/buffersink.c
@@ -133,7 +133,7 @@ int attribute_align_arg av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFr
     AVFrame *cur_frame;
 
     /* no picref available, fetch it from the filterchain */
-    if (!av_fifo_size(buf->fifo)) {
+    while (!av_fifo_size(buf->fifo)) {
         if (inlink->closed)
             return AVERROR_EOF;
         if (flags & AV_BUFFERSINK_FLAG_NO_REQUEST)
@@ -142,9 +142,6 @@ int attribute_align_arg av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFr
             return ret;
     }
 
-    if (!av_fifo_size(buf->fifo))
-        return AVERROR(EINVAL);
-
     if (flags & AV_BUFFERSINK_FLAG_PEEK) {
         cur_frame = *((AVFrame **)av_fifo_peek2(buf->fifo, 0));
         if ((ret = av_frame_ref(frame, cur_frame)) < 0)
@@ -404,7 +401,7 @@ static const AVOption abuffersink_options[] = {
     { "sample_rates",    "set the supported sample rates",    OFFSET(sample_rates),    AV_OPT_TYPE_BINARY, .flags = FLAGS },
     { "channel_layouts", "set the supported channel layouts", OFFSET(channel_layouts), AV_OPT_TYPE_BINARY, .flags = FLAGS },
     { "channel_counts",  "set the supported channel counts",  OFFSET(channel_counts),  AV_OPT_TYPE_BINARY, .flags = FLAGS },
-    { "all_channel_counts", "accept all channel counts", OFFSET(all_channel_counts), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS },
+    { "all_channel_counts", "accept all channel counts", OFFSET(all_channel_counts), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, FLAGS },
     { NULL },
 };
 #undef FLAGS