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authorPeter Maydell <peter.maydell@linaro.org>2021-06-25 18:55:58 +0100
committerPeter Maydell <peter.maydell@linaro.org>2021-06-25 18:55:58 +0100
commit5d2d18ae395f40c6df016229ed9d659cd12375db (patch)
treef1505e5d8ba7a9b8d4f2a077784b9815b993dd16 /hw
parente3955ae93f5151ad2e982440b7c8d3776a9afee2 (diff)
parent60e543f5ce46d4a90a95963b3bab5c7d13a2aaa9 (diff)
Merge remote-tracking branch 'remotes/kraxel/tags/audio-20210624-pull-request' into staging
audio: bugfixes # gpg: Signature made Thu 24 Jun 2021 13:16:16 BST # gpg: using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full] # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full] # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full] # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/audio-20210624-pull-request: hw/audio/sb16: Restrict I/O sampling rate range for command 41h/42h coreaudio: Lock only the buffer Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r--hw/audio/sb16.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/hw/audio/sb16.c b/hw/audio/sb16.c
index 5cf121fe36..60f1f75e3a 100644
--- a/hw/audio/sb16.c
+++ b/hw/audio/sb16.c
@@ -229,6 +229,23 @@ static void continue_dma8 (SB16State *s)
control (s, 1);
}
+static inline int restrict_sampling_rate(int freq)
+{
+ if (freq < SAMPLE_RATE_MIN) {
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "sampling range too low: %d, increasing to %u\n",
+ freq, SAMPLE_RATE_MIN);
+ return SAMPLE_RATE_MIN;
+ } else if (freq > SAMPLE_RATE_MAX) {
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "sampling range too high: %d, decreasing to %u\n",
+ freq, SAMPLE_RATE_MAX);
+ return SAMPLE_RATE_MAX;
+ } else {
+ return freq;
+ }
+}
+
static void dma_cmd8 (SB16State *s, int mask, int dma_len)
{
s->fmt = AUDIO_FORMAT_U8;
@@ -244,17 +261,7 @@ static void dma_cmd8 (SB16State *s, int mask, int dma_len)
int tmp = (256 - s->time_const);
s->freq = (1000000 + (tmp / 2)) / tmp;
}
- if (s->freq < SAMPLE_RATE_MIN) {
- qemu_log_mask(LOG_GUEST_ERROR,
- "sampling range too low: %d, increasing to %u\n",
- s->freq, SAMPLE_RATE_MIN);
- s->freq = SAMPLE_RATE_MIN;
- } else if (s->freq > SAMPLE_RATE_MAX) {
- qemu_log_mask(LOG_GUEST_ERROR,
- "sampling range too high: %d, decreasing to %u\n",
- s->freq, SAMPLE_RATE_MAX);
- s->freq = SAMPLE_RATE_MAX;
- }
+ s->freq = restrict_sampling_rate(s->freq);
if (dma_len != -1) {
s->block_size = dma_len << s->fmt_stereo;
@@ -768,7 +775,7 @@ static void complete (SB16State *s)
* and FT2 sets output freq with this (go figure). Compare:
* http://homepages.cae.wisc.edu/~brodskye/sb16doc/sb16doc.html#SamplingRate
*/
- s->freq = dsp_get_hilo (s);
+ s->freq = restrict_sampling_rate(dsp_get_hilo(s));
ldebug ("set freq %d\n", s->freq);
break;