qtdemux: Fix reverse playback for pcm audio stream

Some raw lpcm or adpcm may have larger sample sizes than the max
buffer size value set.
Trimming the buffer causes bogus size error on reverse playback.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5745>

diff --git a/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c b/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
index a202f91..efdaa3f 100644 (file)
--- a/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
+++ b/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
@@ -15580,7 +15580,7 @@ qtdemux_audio_caps (GstQTDemux * qtdemux, QtDemuxStream * stream,
   if (g_str_has_prefix (name, "audio/x-raw")) {
     stream->need_clip = TRUE;
     stream->min_buffer_size = 1024 * entry->bytes_per_frame;
-    stream->max_buffer_size = 4096 * entry->bytes_per_frame;
+    stream->max_buffer_size = entry->rate * entry->bytes_per_frame;
     GST_DEBUG ("setting min/max buffer sizes to %d/%d", stream->min_buffer_size,
         stream->max_buffer_size);
   }