Merge commit '9bfc6e02bae9de354fb9ba09a8a140e83eeadf7d'

* commit '9bfc6e02bae9de354fb9ba09a8a140e83eeadf7d':
  afifo: fix request_samples on the last frame in certain cases

Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavfilter/fifo.c

@@ -183,20 +183,10 @@ static int return_audio_frame(AVFilterContext *ctx)
         }
 
         while (s->out->nb_samples < s->allocated_samples) {
-            int len = FFMIN(s->allocated_samples - s->out->nb_samples,
-                            head->nb_samples);
-
-            av_samples_copy(s->out->extended_data, head->extended_data,
-                            s->out->nb_samples, 0, len, nb_channels,
-                            link->format);
-            s->out->nb_samples += len;
+            int len;
 
-            if (len == head->nb_samples) {
-                av_frame_free(&head);
-                queue_pop(s);
-
-                if (!s->root.next &&
-                    (ret = ff_request_frame(ctx->inputs[0])) < 0) {
+            if (!s->root.next) {
+                ret = ff_request_frame(ctx->inputs[0]);
                 if (ret == AVERROR_EOF) {
                     av_samples_set_silence(s->out->extended_data,
                                            s->out->nb_samples,
@@ -205,10 +195,22 @@ static int return_audio_frame(AVFilterContext *ctx)
                                            nb_channels, link->format);
                     s->out->nb_samples = s->allocated_samples;
                     break;
-                    }
+                } else if (ret < 0)
                     return ret;
             }
             head = s->root.next->frame;
+
+            len = FFMIN(s->allocated_samples - s->out->nb_samples,
+                        head->nb_samples);
+
+            av_samples_copy(s->out->extended_data, head->extended_data,
+                            s->out->nb_samples, 0, len, nb_channels,
+                            link->format);
+            s->out->nb_samples += len;
+
+            if (len == head->nb_samples) {
+                av_frame_free(&head);
+                queue_pop(s);
             } else {
                 buffer_offset(link, head, len);
             }

tests/fate/filter-audio.mak

@@ -51,7 +51,7 @@ fate-filter-join: SRC2 = $(TARGET_PATH)/tests/data/asynth-44100-3.wav
 fate-filter-join: tests/data/asynth-44100-2.wav tests/data/asynth-44100-3.wav
 fate-filter-join: CMD = md5 -i $(SRC1) -i $(SRC2) -filter_complex join=channel_layout=5 -f s16le
 fate-filter-join: CMP = oneline
-fate-filter-join: REF = 38fa1b18b0c46d77df6f17bfc4f078dd
+fate-filter-join: REF = 409e66fc5ece4ddea4aa16bc47026bb0
 
 FATE_AFILTER-$(call ALLYES, WAV_DEMUXER PCM_S16LE_DECODER PCM_S16LE_ENCODER PCM_S16LE_MUXER APERMS_FILTER VOLUME_FILTER) += fate-filter-volume
 fate-filter-volume: SRC = $(TARGET_PATH)/tests/data/asynth-44100-2.wav