From a34be0e370f1a443c991f76ce04565cf48168715 Mon Sep 17 00:00:00 2001 From: Steel Titanium Date: Wed, 17 Jun 2020 14:19:19 -0400 Subject: [PATCH] Reduce code duplication by creating get_zlib_error function Reduce calls to gme_set_equalizer in I_LoadSong by moving it to I_PlaySong Return false if it fails to decompress VGZ data in some form. --- src/sdl/mixer_sound.c | 126 +++++++++++------------------------------- 1 file changed, 33 insertions(+), 93 deletions(-) diff --git a/src/sdl/mixer_sound.c b/src/sdl/mixer_sound.c index 5a086880a..c5b1455a2 100644 --- a/src/sdl/mixer_sound.c +++ b/src/sdl/mixer_sound.c @@ -219,6 +219,28 @@ static void var_cleanup(void) internal_volume = 100; } + +static const char* get_zlib_error(int zErr) +{ + switch (zErr) + { + case Z_ERRNO: + return "Z_ERRNO"; + case Z_STREAM_ERROR: + return "Z_STREAM_ERROR"; + case Z_DATA_ERROR: + return "Z_DATA_ERROR"; + case Z_MEM_ERROR: + return "Z_MEM_ERROR"; + case Z_BUF_ERROR: + return "Z_BUF_ERROR"; + case Z_VERSION_ERROR: + return "Z_VERSION_ERROR"; + default: + return "unknown error"; + } +} + /// ------------------------ /// Audio System /// ------------------------ @@ -498,51 +520,11 @@ void *I_GetSfx(sfxinfo_t *sfx) } } else - { - const char *errorType; - switch (zErr) - { - case Z_ERRNO: - errorType = "Z_ERRNO"; break; - case Z_STREAM_ERROR: - errorType = "Z_STREAM_ERROR"; break; - case Z_DATA_ERROR: - errorType = "Z_DATA_ERROR"; break; - case Z_MEM_ERROR: - errorType = "Z_MEM_ERROR"; break; - case Z_BUF_ERROR: - errorType = "Z_BUF_ERROR"; break; - case Z_VERSION_ERROR: - errorType = "Z_VERSION_ERROR"; break; - default: - errorType = "unknown error"; - } - CONS_Alert(CONS_ERROR,"Encountered %s when running inflate: %s\n", errorType, stream.msg); - } + CONS_Alert(CONS_ERROR,"Encountered %s when running inflate: %s\n", get_zlib_error(zErr), stream.msg); (void)inflateEnd(&stream); } else // Hold up, zlib's got a problem - { - const char *errorType; - switch (zErr) - { - case Z_ERRNO: - errorType = "Z_ERRNO"; break; - case Z_STREAM_ERROR: - errorType = "Z_STREAM_ERROR"; break; - case Z_DATA_ERROR: - errorType = "Z_DATA_ERROR"; break; - case Z_MEM_ERROR: - errorType = "Z_MEM_ERROR"; break; - case Z_BUF_ERROR: - errorType = "Z_BUF_ERROR"; break; - case Z_VERSION_ERROR: - errorType = "Z_VERSION_ERROR"; break; - default: - errorType = "unknown error"; - } - CONS_Alert(CONS_ERROR,"Encountered %s when running inflateInit: %s\n", errorType, stream.msg); - } + CONS_Alert(CONS_ERROR,"Encountered %s when running inflateInit: %s\n", get_zlib_error(zErr), stream.msg); Z_Free(inflatedData); // GME didn't open jack, but don't let that stop us from freeing this up #else return NULL; // No zlib support @@ -1175,77 +1157,33 @@ boolean I_LoadSong(char *data, size_t len) if (zErr == Z_OK) // We're good to go { zErr = inflate(&stream, Z_FINISH); - if (zErr == Z_STREAM_END) { + if (zErr == Z_STREAM_END) + { // Run GME on new data if (!gme_open_data(inflatedData, inflatedLen, &gme, 44100)) { - gme_equalizer_t eq = {GME_TREBLE, GME_BASS, 0,0,0,0,0,0,0,0}; gme_start_track(gme, 0); current_track = 0; - gme_set_equalizer(gme, &eq); Mix_HookMusic(mix_gme, gme); Z_Free(inflatedData); // GME supposedly makes a copy for itself, so we don't need this lying around return true; } } else - { - const char *errorType; - switch (zErr) - { - case Z_ERRNO: - errorType = "Z_ERRNO"; break; - case Z_STREAM_ERROR: - errorType = "Z_STREAM_ERROR"; break; - case Z_DATA_ERROR: - errorType = "Z_DATA_ERROR"; break; - case Z_MEM_ERROR: - errorType = "Z_MEM_ERROR"; break; - case Z_BUF_ERROR: - errorType = "Z_BUF_ERROR"; break; - case Z_VERSION_ERROR: - errorType = "Z_VERSION_ERROR"; break; - default: - errorType = "unknown error"; - } - CONS_Alert(CONS_ERROR,"Encountered %s when running inflate: %s\n", errorType, stream.msg); - } + CONS_Alert(CONS_ERROR, "Encountered %s when running inflate: %s\n", get_zlib_error(zErr), stream.msg); (void)inflateEnd(&stream); } else // Hold up, zlib's got a problem - { - const char *errorType; - switch (zErr) - { - case Z_ERRNO: - errorType = "Z_ERRNO"; break; - case Z_STREAM_ERROR: - errorType = "Z_STREAM_ERROR"; break; - case Z_DATA_ERROR: - errorType = "Z_DATA_ERROR"; break; - case Z_MEM_ERROR: - errorType = "Z_MEM_ERROR"; break; - case Z_BUF_ERROR: - errorType = "Z_BUF_ERROR"; break; - case Z_VERSION_ERROR: - errorType = "Z_VERSION_ERROR"; break; - default: - errorType = "unknown error"; - } - CONS_Alert(CONS_ERROR,"Encountered %s when running inflateInit: %s\n", errorType, stream.msg); - } + CONS_Alert(CONS_ERROR, "Encountered %s when running inflateInit: %s\n", get_zlib_error(zErr), stream.msg); Z_Free(inflatedData); // GME didn't open jack, but don't let that stop us from freeing this up + return false; #else - CONS_Alert(CONS_ERROR,"Cannot decompress VGZ; no zlib support\n"); - return true; + CONS_Alert(CONS_ERROR, "Cannot decompress VGZ; no zlib support\n"); + return false; #endif } else if (!gme_open_data(data, len, &gme, 44100)) - { - gme_equalizer_t eq = {GME_TREBLE, GME_BASS, 0,0,0,0,0,0,0,0}; - gme_set_equalizer(gme, &eq); return true; - } #endif #ifdef HAVE_MIXERX @@ -1360,6 +1298,8 @@ boolean I_PlaySong(boolean looping) #ifdef HAVE_LIBGME if (gme) { + gme_equalizer_t eq = {GME_TREBLE, GME_BASS, 0,0,0,0,0,0,0,0}; + gme_set_equalizer(gme, &eq); gme_start_track(gme, 0); current_track = 0; Mix_HookMusic(mix_gme, gme);