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