From c412d6251e9cd3abe735b7622af4003502e54f72 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Tue, 10 Nov 2009 17:11:34 +0100 Subject: audio_format: changed "bits" to "enum sample_format" This patch prepares support for floating point samples (and probably other formats). It changes the meaning of the "bits" attribute from a bit count to a symbolic value. --- src/decoder/_flac_common.c | 27 +++++++++++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) (limited to 'src/decoder/_flac_common.c') diff --git a/src/decoder/_flac_common.c b/src/decoder/_flac_common.c index f12b8bff0..70b2c0202 100644 --- a/src/decoder/_flac_common.c +++ b/src/decoder/_flac_common.c @@ -60,6 +60,27 @@ flac_data_deinit(struct flac_data *data) tag_free(data->tag); } +static enum sample_format +flac_sample_format(const FLAC__StreamMetadata_StreamInfo *si) +{ + switch (si->bits_per_sample) { + case 8: + return SAMPLE_FORMAT_S8; + + case 16: + return SAMPLE_FORMAT_S16; + + case 24: + return SAMPLE_FORMAT_S24_P32; + + case 32: + return SAMPLE_FORMAT_S32; + + default: + return SAMPLE_FORMAT_UNDEFINED; + } +} + bool flac_data_get_audio_format(struct flac_data *data, struct audio_format *audio_format) @@ -71,9 +92,11 @@ flac_data_get_audio_format(struct flac_data *data, return false; } + data->sample_format = flac_sample_format(&data->stream_info); + if (!audio_format_init_checked(audio_format, data->stream_info.sample_rate, - data->stream_info.bits_per_sample, + data->sample_format, data->stream_info.channels, &error)) { g_warning("%s", error->message); g_error_free(error); @@ -144,7 +167,7 @@ flac_common_write(struct flac_data *data, const FLAC__Frame * frame, buffer = pcm_buffer_get(&data->buffer, buffer_size); flac_convert(buffer, frame->header.channels, - frame->header.bits_per_sample, buf, + data->sample_format, buf, 0, frame->header.blocksize); if (data->next_frame >= data->first_frame) -- cgit v1.2.3