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Get rid of a code duplication

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This commit is contained in:
Jean Pierre Cimalando 2020-10-09 18:30:26 +02:00
parent 20718c43d8
commit a118f5386a
1 changed files with 74 additions and 90 deletions
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164
external/st_audiofile/src/st_audiofile.c vendored
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@ -28,127 +28,111 @@ enum {
st_audio_file_null = -1, st_audio_file_null = -1,
}; };
st_audio_file* st_open_file(const char* filename) static st_audio_file* st_generic_open_file(const void* filename, int widepath)
{ {
#if !defined(_WIN32)
if (widepath)
return NULL;
#endif
st_audio_file* af = (st_audio_file*)malloc(sizeof(st_audio_file)); st_audio_file* af = (st_audio_file*)malloc(sizeof(st_audio_file));
if (!af) if (!af)
return NULL; return NULL;
af->type = st_audio_file_null; // Try WAV
{
if (af->type == st_audio_file_null) {
af->wav = (drwav*)malloc(sizeof(drwav)); af->wav = (drwav*)malloc(sizeof(drwav));
if (!af->wav) { if (!af->wav) {
free(af); free(af);
return NULL; return NULL;
} }
if (!drwav_init_file(af->wav, filename, NULL)) drwav_bool32 ok =
#if defined(_WIN32)
widepath ? drwav_init_file_w(af->wav, (const wchar_t*)filename, NULL) :
#endif
drwav_init_file(af->wav, (const char*)filename, NULL);
if (!ok)
free(af->wav); free(af->wav);
else else {
af->type = st_audio_file_wav; af->type = st_audio_file_wav;
} return af;
if (af->type == st_audio_file_null) {
af->flac = drflac_open_file(filename, NULL);
if (af->flac)
af->type = st_audio_file_flac;
}
if (af->type == st_audio_file_null) {
af->ogg = stb_vorbis_open_filename(filename, NULL, NULL);
if (af->ogg) {
if ((af->cache.ogg.frames = stb_vorbis_stream_length_in_samples(af->ogg)) == 0)
stb_vorbis_close(af->ogg);
else {
stb_vorbis_info info = stb_vorbis_get_info(af->ogg);
af->cache.ogg.channels = info.channels;
af->cache.ogg.sample_rate = info.sample_rate;
af->type = st_audio_file_ogg;
}
} }
} }
// Try FLAC
{
af->flac =
#if defined(_WIN32)
widepath ? drflac_open_file_w((const wchar_t*)filename, NULL) :
#endif
drflac_open_file((const char*)filename, NULL);
if (af->flac) {
af->type = st_audio_file_flac;
return af;
}
}
// Try OGG
{
af->ogg =
#if defined(_WIN32)
widepath ? stb_vorbis_open_filename_w((const wchar_t*)filename, NULL, NULL) :
#endif
stb_vorbis_open_filename((const char*)filename, NULL, NULL);
if (af->ogg) {
af->cache.ogg.frames = stb_vorbis_stream_length_in_samples(af->ogg);
if (af->cache.ogg.frames == 0) {
stb_vorbis_close(af->ogg);
free(af);
return NULL;
}
stb_vorbis_info info = stb_vorbis_get_info(af->ogg);
af->cache.ogg.channels = info.channels;
af->cache.ogg.sample_rate = info.sample_rate;
af->type = st_audio_file_ogg;
return af;
}
}
// Try MP3
if (af->type == st_audio_file_null) { if (af->type == st_audio_file_null) {
af->mp3 = (drmp3*)malloc(sizeof(drmp3)); af->mp3 = (drmp3*)malloc(sizeof(drmp3));
if (!af->mp3) { if (!af->mp3) {
free(af); free(af);
return NULL; return NULL;
} }
if (!drmp3_init_file(af->mp3, filename, NULL) || drmp3_bool32 ok =
(af->cache.mp3.frames = drmp3_get_pcm_frame_count(af->mp3)) == 0) #if defined(_WIN32)
widepath ? drmp3_init_file_w(af->mp3, (const wchar_t*)filename, NULL) :
#endif
drmp3_init_file(af->mp3, (const char*)filename, NULL);
if (!ok)
free(af->mp3); free(af->mp3);
else else {
af->cache.mp3.frames = drmp3_get_pcm_frame_count(af->mp3);
if (af->cache.mp3.frames == 0) {
free(af->mp3);
free(af);
return NULL;
}
af->type = st_audio_file_mp3; af->type = st_audio_file_mp3;
return af;
}
} }
if (af->type == st_audio_file_null) { free(af);
free(af); return NULL;
af = NULL; }
}
return af; st_audio_file* st_open_file(const char* filename)
{
return st_generic_open_file(filename, 0);
} }
#if defined(_WIN32) #if defined(_WIN32)
st_audio_file* st_open_file_w(const wchar_t* filename) st_audio_file* st_open_file_w(const wchar_t* filename)
{ {
st_audio_file* af = (st_audio_file*)malloc(sizeof(st_audio_file)); return st_generic_open_file(filename, 1);
if (!af)
return NULL;
af->type = st_audio_file_null;
if (af->type == st_audio_file_null) {
af->wav = (drwav*)malloc(sizeof(drwav));
if (!af->wav) {
free(af);
return NULL;
}
if (!drwav_init_file_w(af->wav, filename, NULL))
free(af->wav);
else
af->type = st_audio_file_wav;
}
if (af->type == st_audio_file_null) {
af->flac = drflac_open_file_w(filename, NULL);
if (af->flac)
af->type = st_audio_file_flac;
}
if (af->type == st_audio_file_null) {
af->ogg = stb_vorbis_open_filename_w(filename, NULL, NULL);
if (af->ogg) {
if ((af->cache.ogg.frames = stb_vorbis_stream_length_in_samples(af->ogg)) == 0)
stb_vorbis_close(af->ogg);
else {
stb_vorbis_info info = stb_vorbis_get_info(af->ogg);
af->cache.ogg.channels = info.channels;
af->cache.ogg.sample_rate = info.sample_rate;
af->type = st_audio_file_ogg;
}
}
}
if (af->type == st_audio_file_null) {
af->mp3 = (drmp3*)malloc(sizeof(drmp3));
if (!af->mp3) {
free(af);
return NULL;
}
if (!drmp3_init_file_w(af->mp3, filename, NULL) ||
(af->cache.mp3.frames = drmp3_get_pcm_frame_count(af->mp3)) == 0)
free(af->mp3);
else
af->type = st_audio_file_mp3;
}
if (af->type == st_audio_file_null) {
free(af);
af = NULL;
}
return af;
} }
#endif #endif