From b47b257a91441dbfb2c716d71f8008ad4f2db1d5 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 17 May 2006 14:55:17 +0000 Subject: support loading ULAW/ALAW files into ULAW/ALAW memchunks git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@900 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/polypcore/sound-file.c | 51 ++++++++++++++++++++++++++++++++-------------- 1 file changed, 36 insertions(+), 15 deletions(-) (limited to 'src') diff --git a/src/polypcore/sound-file.c b/src/polypcore/sound-file.c index f0378009..bd0cf596 100644 --- a/src/polypcore/sound-file.c +++ b/src/polypcore/sound-file.c @@ -39,7 +39,7 @@ int pa_sound_file_load(const char *fname, pa_sample_spec *ss, pa_channel_map *ma SF_INFO sfinfo; int ret = -1; size_t l; - sf_count_t (*readf_function)(SNDFILE *sndfile, void *ptr, sf_count_t frames); + sf_count_t (*readf_function)(SNDFILE *sndfile, void *ptr, sf_count_t frames) = NULL; assert(fname && ss && chunk); chunk->memblock = NULL; @@ -53,17 +53,27 @@ int pa_sound_file_load(const char *fname, pa_sample_spec *ss, pa_channel_map *ma } switch (sfinfo.format & SF_FORMAT_SUBMASK) { + case SF_FORMAT_PCM_16: + case SF_FORMAT_PCM_U8: + case SF_FORMAT_PCM_S8: + ss->format = PA_SAMPLE_S16NE; + readf_function = (sf_count_t (*)(SNDFILE *sndfile, void *ptr, sf_count_t frames)) sf_readf_short; + break; + + case SF_FORMAT_ULAW: + ss->format = PA_SAMPLE_ULAW; + break; + + case SF_FORMAT_ALAW: + ss->format = PA_SAMPLE_ALAW; + break; + case SF_FORMAT_FLOAT: case SF_FORMAT_DOUBLE: - /* Only float and double need a special case. */ + default: ss->format = PA_SAMPLE_FLOAT32NE; readf_function = (sf_count_t (*)(SNDFILE *sndfile, void *ptr, sf_count_t frames)) sf_readf_float; break; - default: - /* Everything else is cleanly converted to signed 16 bit. */ - ss->format = PA_SAMPLE_S16NE; - readf_function = (sf_count_t (*)(SNDFILE *sndfile, void *ptr, sf_count_t frames)) sf_readf_short; - break; } ss->rate = sfinfo.samplerate; @@ -87,11 +97,12 @@ int pa_sound_file_load(const char *fname, pa_sample_spec *ss, pa_channel_map *ma chunk->index = 0; chunk->length = l; - if (readf_function(sf, chunk->memblock->data, sfinfo.frames) != sfinfo.frames) { + if ((readf_function && readf_function(sf, chunk->memblock->data, sfinfo.frames) != sfinfo.frames) || + (!readf_function && sf_read_raw(sf, chunk->memblock->data, l) != l)) { pa_log(__FILE__": Premature file end"); goto finish; } - + ret = 0; finish: @@ -119,14 +130,24 @@ int pa_sound_file_too_big_to_cache(const char *fname) { sf_close(sf); switch (sfinfo.format & SF_FORMAT_SUBMASK) { - case SF_FORMAT_FLOAT: - case SF_FORMAT_DOUBLE: - /* Only float and double need a special case. */ - ss.format = PA_SAMPLE_FLOAT32NE; + case SF_FORMAT_PCM_16: + case SF_FORMAT_PCM_U8: + case SF_FORMAT_PCM_S8: + ss.format = PA_SAMPLE_S16NE; + break; + + case SF_FORMAT_ULAW: + ss.format = PA_SAMPLE_ULAW; break; + + case SF_FORMAT_ALAW: + ss.format = PA_SAMPLE_ALAW; + break; + + case SF_FORMAT_DOUBLE: + case SF_FORMAT_FLOAT: default: - /* Everything else is cleanly converted to signed 16 bit. */ - ss.format = PA_SAMPLE_S16NE; + ss.format = PA_SAMPLE_FLOAT32NE; break; } -- cgit