avdevice/avdevice: Constify av_*_device_next API

[ffmpeg] / libavformat / aqtitledec.c

diff --git a/libavformat/aqtitledec.c b/libavformat/aqtitledec.c
index f0e840b0f7eb71797e9776c20b63f744a0d1d289..81630d73b09f4a6ad20d3ab252e658132902721a 100644 (file)
--- a/libavformat/aqtitledec.c
+++ b/libavformat/aqtitledec.c
@@ -37,7 +37,7 @@ typedef struct {
     AVRational frame_rate;
 } AQTitleContext;
 
-static int aqt_probe(AVProbeData *p)
+static int aqt_probe(const AVProbeData *p)
 {
     int frame;
     const char *ptr = p->buf;
@@ -81,11 +81,11 @@ static int aqt_read_header(AVFormatContext *s)
             if (!new_event) {
                 sub = ff_subtitles_queue_insert(&aqt->q, "\n", 1, 1);
                 if (!sub)
-                    return AVERROR(ENOMEM);
+                    goto fail;
             }
             sub = ff_subtitles_queue_insert(&aqt->q, line, strlen(line), !new_event);
             if (!sub)
-                return AVERROR(ENOMEM);
+                goto fail;
             if (new_event) {
                 sub->pts = frame;
                 sub->duration = -1;
@@ -97,6 +97,9 @@ static int aqt_read_header(AVFormatContext *s)
 
     ff_subtitles_queue_finalize(s, &aqt->q);
     return 0;
+fail:
+    ff_subtitles_queue_clean(&aqt->q);
+    return AVERROR(ENOMEM);
 }
 
 static int aqt_read_packet(AVFormatContext *s, AVPacket *pkt)