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Diffstat (limited to '')
| -rw-r--r-- | src/audio_format.h | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/src/audio_format.h b/src/audio_format.h index 739fe6c1f..a7ff30830 100644 --- a/src/audio_format.h +++ b/src/audio_format.h @@ -41,14 +41,45 @@ static inline bool audio_format_defined(const struct audio_format *af) } /** + * Checks whether the sample rate is valid. + * + * @param sample_rate the sample rate in Hz + */ +static inline bool +audio_valid_sample_rate(unsigned sample_rate) +{ + return sample_rate > 0 && sample_rate < (1 << 30); +} + +/** + * Checks whether the sample format is valid. + * + * @param bits the number of significant bits per sample + */ +static inline bool +audio_valid_sample_format(unsigned bits) +{ + return bits == 16 || bits == 24 || bits == 8; +} + +/** + * Checks whether the number of channels is valid. + */ +static inline bool +audio_valid_channel_count(unsigned channels) +{ + return channels == 1 || channels == 2; +} + +/** * Returns false if the format is not valid for playback with MPD. * This function performs some basic validity checks. */ static inline bool audio_format_valid(const struct audio_format *af) { - return af->sample_rate > 0 && - (af->bits == 8 || af->bits == 16 || af->bits == 24) && - af->channels >= 1; + return audio_valid_sample_rate(af->sample_rate) && + audio_valid_sample_format(af->bits) && + audio_valid_channel_count(af->channels); } static inline bool audio_format_equals(const struct audio_format *a, |