matroskadec: partly revert "demux relevant subtitle packets after a seek"

[ffmpeg] / libavformat / aiffdec.c

diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c
index 9bff5656f894328c3cc580a139a23a3f24fb0423..59e969d12d48c602af742e9aa07e8e25b87aca45 100644 (file)
--- a/libavformat/aiffdec.c
+++ b/libavformat/aiffdec.c
@@ -337,7 +337,10 @@ static int aiff_read_header(AVFormatContext *s)
     }
 
 got_sound:
-    if (!st->codecpar->block_align) {
+    if (!st->codecpar->block_align && st->codecpar->codec_id == AV_CODEC_ID_QCELP) {
+        av_log(s, AV_LOG_WARNING, "qcelp without wave chunk, assuming full rate\n");
+        st->codecpar->block_align = 35;
+    } else if (!st->codecpar->block_align) {
         av_log(s, AV_LOG_ERROR, "could not find COMM tag or invalid block_align value\n");
         return -1;
     }
@@ -368,6 +371,11 @@ static int aiff_read_packet(AVFormatContext *s,
     if (max_size <= 0)
         return AVERROR_EOF;
 
+    if (!st->codecpar->block_align) {
+        av_log(s, AV_LOG_ERROR, "block_align not set\n");
+        return AVERROR_INVALIDDATA;
+    }
+
     /* Now for that packet */
     switch (st->codecpar->codec_id) {
     case AV_CODEC_ID_ADPCM_IMA_QT:
@@ -377,7 +385,7 @@ static int aiff_read_packet(AVFormatContext *s,
         size = st->codecpar->block_align;
         break;
     default:
-        size = (MAX_SIZE / st->codecpar->block_align) * st->codecpar->block_align;
+        size = st->codecpar->block_align ? (MAX_SIZE / st->codecpar->block_align) * st->codecpar->block_align : MAX_SIZE;
     }
     size = FFMIN(max_size, size);
     res = av_get_packet(s->pb, pkt, size);