diff options
| -rw-r--r-- | audio/audio.c | 1 | ||||
| -rw-r--r-- | audio/audio_template.h | 13 |
2 files changed, 14 insertions, 0 deletions
diff --git a/audio/audio.c b/audio/audio.c index 4290309d18..81f5c0bb1e 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -33,6 +33,7 @@ #include "qapi/qapi-visit-audio.h" #include "qapi/qapi-commands-audio.h" #include "qemu/cutils.h" +#include "qemu/log.h" #include "qemu/module.h" #include "qemu/help_option.h" #include "sysemu/sysemu.h" diff --git a/audio/audio_template.h b/audio/audio_template.h index 42b4712acb..dbfb4fee4c 100644 --- a/audio/audio_template.h +++ b/audio/audio_template.h @@ -115,6 +115,19 @@ static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw) #else samples = (int64_t)sw->HWBUF->size * sw->ratio >> 32; #endif + if (samples == 0) { + HW *hw = sw->hw; + size_t f_fe_min; + + /* f_fe_min = ceil(1 [frames] * f_be [Hz] / size_be [frames]) */ + f_fe_min = (hw->info.freq + HWBUF->size - 1) / HWBUF->size; + qemu_log_mask(LOG_UNIMP, + AUDIO_CAP ": The guest selected a " NAME " sample rate" + " of %d Hz for %s. Only sample rates >= %zu Hz are" + " supported.\n", + sw->info.freq, sw->name, f_fe_min); + return -1; + } sw->buf = audio_calloc(__func__, samples, sizeof(struct st_sample)); if (!sw->buf) { |