[cadcdev-svn-commits] [SCM] branch master updated. 7460bf3085ea260de53c8bfd8ad3c31259c73280

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       via  7460bf3085ea260de53c8bfd8ad3c31259c73280 (commit)
      from  3c4ee41109de309f7d7765c3eb1c9b48b1f0f1a5 (commit)

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- Log -----------------------------------------------------------------
commit 7460bf3085ea260de53c8bfd8ad3c31259c73280
Author: QuzarDC <qu...@co...>
Date:   Wed Jul 16 18:37:26 2025 -0400

    Check for call to `snd_stream_poll` before `snd_stream_start`
    
    Add a check matching what was done for `snd_stream_fill` that will
    assert if called before starting the stream. Without this, it can
    trigger an otherwise mysterious divide by zero error.

-----------------------------------------------------------------------

Summary of changes:
 kernel/arch/dreamcast/sound/snd_stream.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/arch/dreamcast/sound/snd_stream.c b/kernel/arch/dreamcast/sound/snd_stream.c
index 2b85fcfc..7f6f227a 100644
--- a/kernel/arch/dreamcast/sound/snd_stream.c
+++ b/kernel/arch/dreamcast/sound/snd_stream.c
@@ -802,6 +802,9 @@ int snd_stream_poll(snd_stream_hnd_t hnd) {
         return -1;
     }
 
+    /* The stream has been initted but not started, so we don't know stereo/mono. */
+    assert(stream->channels != 0);
+
     /* Get channels position */
     current_play_pos = g2_read_32(SPU_RAM_UNCACHED_BASE +
                         AICA_CHANNEL(stream->ch[0]) +


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A pseudo Operating System for the Dreamcast.