mirror of
https://github.com/WinampDesktop/winamp.git
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258 lines
6.6 KiB
C++
258 lines
6.6 KiB
C++
#include "config.h"
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#include <windows.h>
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#include <strsafe.h>
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#include <assert.h>
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#include "mp4FastAAClib.h"
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#include "preferences.h"
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AACConfigurationFile *AACConfig_Create(unsigned int type, const char *filename)
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{
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AACConfigurationFile *cfg = (AACConfigurationFile*)calloc(1, sizeof(AACConfigurationFile));
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if (cfg)
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{
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cfg->type = type;
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if (filename)
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lstrcpynA(cfg->config_file, filename, MAX_PATH);
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else
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cfg->config_file[0] = 0;
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AACConfig_Load(cfg);
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}
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return cfg;
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}
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void AACConfig_Load(AACConfigurationFile *cfg)
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{
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if (cfg->type == ENCODER_TYPE_MPEG4)
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{
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cfg->config.mode = GetPrivateProfileIntA("audio_fhgaac", "mode", AAC_DEFAULT_MODE, cfg->config_file);
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cfg->config.profile = GetPrivateProfileIntA("audio_fhgaac", "profile", AAC_DEFAULT_PROFILE, cfg->config_file);
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cfg->config.bitrate = GetPrivateProfileIntA("audio_fhgaac", "bitrate", AAC_DEFAULT_BITRATE, cfg->config_file);
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cfg->config.preset = GetPrivateProfileIntA("audio_fhgaac", "preset", AAC_DEFAULT_PRESET, cfg->config_file);
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cfg->config.surround = GetPrivateProfileIntA("audio_fhgaac", "surround", AAC_DEFAULT_SURROUND, cfg->config_file);
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cfg->shoutcast = 0;
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}
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else
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{
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cfg->config.mode = AAC_MODE_CBR;
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cfg->config.profile = GetPrivateProfileIntA("audio_adtsaac", "profile", AAC_PROFILE_HE, cfg->config_file);
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cfg->config.bitrate = GetPrivateProfileIntA("audio_adtsaac", "bitrate", 64, cfg->config_file);
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cfg->config.surround = GetPrivateProfileIntA("audio_adtsaac", "surround", AAC_DEFAULT_SURROUND, cfg->config_file);
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cfg->shoutcast = GetPrivateProfileIntA("audio_adtsaac", "shoutcast", 0, cfg->config_file);
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}
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}
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void AACConfig_Save(const AACConfigurationFile *cfg)
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{
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char temp[128] = {0};
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if (cfg->type == ENCODER_TYPE_MPEG4)
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{
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StringCbPrintfA(temp, sizeof(temp), "%u", cfg->config.mode);
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WritePrivateProfileStringA("audio_fhgaac", "mode", temp, cfg->config_file);
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StringCbPrintfA(temp, sizeof(temp), "%u", cfg->config.profile);
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WritePrivateProfileStringA("audio_fhgaac", "profile", temp, cfg->config_file);
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StringCbPrintfA(temp, sizeof(temp), "%u", cfg->config.bitrate);
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WritePrivateProfileStringA("audio_fhgaac", "bitrate", temp, cfg->config_file);
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StringCbPrintfA(temp, sizeof(temp), "%u", cfg->config.preset);
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WritePrivateProfileStringA("audio_fhgaac", "preset", temp, cfg->config_file);
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StringCbPrintfA(temp, sizeof(temp), "%u", cfg->config.surround);
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WritePrivateProfileStringA("audio_fhgaac", "surround", temp, cfg->config_file);
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}
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else
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{
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StringCbPrintfA(temp, sizeof(temp), "%u", cfg->config.profile);
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WritePrivateProfileStringA("audio_adtsaac", "profile", temp, cfg->config_file);
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StringCbPrintfA(temp, sizeof(temp), "%u", cfg->config.bitrate);
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WritePrivateProfileStringA("audio_adtsaac", "bitrate", temp, cfg->config_file);
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StringCbPrintfA(temp, sizeof(temp), "%u", cfg->config.surround);
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WritePrivateProfileStringA("audio_adtsaac", "surround", temp, cfg->config_file);
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}
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}
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void AACConfig_GetBitrateRange(const AACConfiguration *cfg, int *low, int *high)
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{
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switch(cfg->profile)
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{
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case AAC_PROFILE_AUTOMATIC:
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*low = 12000;
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*high = 448000;
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break;
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case AAC_PROFILE_LC:
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*low = 16000;
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*high = 448000;
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break;
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case AAC_PROFILE_HE:
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*low = 16000;
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*high = 128000;
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break;
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case AAC_PROFILE_HE_V2:
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*low = 12000;
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*high = 56000;
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break;
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}
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}
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AUD_OBJ_TYP AACConfig_GetAOT(const AACConfiguration *cfg)
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{
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if (cfg->mode == AAC_MODE_VBR)
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{
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switch(cfg->preset)
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{
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case 1:
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return AUD_OBJ_TYP_PS;
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case 2:
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return AUD_OBJ_TYP_HEAAC;
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default:
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return AUD_OBJ_TYP_LC;
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}
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}
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else switch (cfg->profile) /* CBR */
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{
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case AAC_PROFILE_AUTOMATIC:
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if (cfg->bitrate <= 40)
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return AUD_OBJ_TYP_PS;
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else if (cfg->bitrate <= 80)
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return AUD_OBJ_TYP_HEAAC;
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else
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return AUD_OBJ_TYP_LC;
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case AAC_PROFILE_LC:
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return AUD_OBJ_TYP_LC;
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case AAC_PROFILE_HE:
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return AUD_OBJ_TYP_HEAAC;
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case AAC_PROFILE_HE_V2:
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return AUD_OBJ_TYP_PS;
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}
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return AUD_OBJ_TYP_LC;
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}
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int AACConfig_GetBitrate(const AACConfiguration *cfg, unsigned int channels)
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{
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if (cfg->mode == AAC_MODE_VBR)
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{
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switch(cfg->preset)
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{
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case 1:
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return 16000*channels;
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case 2:
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return 32000*channels;
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case 3:
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return 48000*channels;
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case 4:
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return 64000*channels;
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case 5:
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return 96000*channels;
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case 6:
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return 128000*channels;
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default:
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return 0;
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}
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}
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else
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return cfg->bitrate * 1000;
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}
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MPEG4ENC_BITRATE_MODE AACConfig_GetBitrateMode(const AACConfiguration *cfg)
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{
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if (cfg->mode == AAC_MODE_VBR)
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{
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/* by coincidence, these match
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to help future maintainers, let's assert this fact */
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assert(MP4_BR_MODE_VBR_1 == (MPEG4ENC_BITRATE_MODE)1);
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assert(MP4_BR_MODE_VBR_2 == (MPEG4ENC_BITRATE_MODE)2);
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assert(MP4_BR_MODE_VBR_3 == (MPEG4ENC_BITRATE_MODE)3);
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assert(MP4_BR_MODE_VBR_4 == (MPEG4ENC_BITRATE_MODE)4);
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assert(MP4_BR_MODE_VBR_5 == (MPEG4ENC_BITRATE_MODE)5);
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assert(MP4_BR_MODE_VBR_6 == (MPEG4ENC_BITRATE_MODE)6);
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return (MPEG4ENC_BITRATE_MODE)cfg->preset;
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}
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else /* CBR */
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{
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return MP4_BR_MODE_CBR;
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}
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}
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MPEG4ENC_CH_MODE AACConfig_GetChannelMode(const AACConfiguration *cfg, unsigned int channels)
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{
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switch(channels)
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{
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case 1:
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return MP4_CH_MODE_MONO;
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case 2:
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if (cfg->mode == AAC_MODE_VBR)
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{
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if (cfg->preset == 1)
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return MP4_CH_MODE_PARAMETRIC_STEREO;
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else
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return MP4_CH_MODE_STEREO;
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}
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else /* CBR */
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{
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if (AACConfig_GetAOT(cfg) == AUD_OBJ_TYP_PS)
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return MP4_CH_MODE_PARAMETRIC_STEREO;
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else
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return MP4_CH_MODE_STEREO;
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}
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case 3: return MP4_CH_MODE_3;
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case 4: return MP4_CH_MODE_4;
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case 5: return MP4_CH_MODE_5;
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case 6: return MP4_CH_MODE_5_1;
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case 8: return MP4_CH_MODE_7_1;
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default:
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return MP4_CH_MODE_INVALID;
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}
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}
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void AACConfig_GetToolString(const MPEG4ENC_SETUP *setup, char tool[], size_t cch)
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{
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char version[128] = {0};
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MPEG4ENC_GetVersionInfo(version, sizeof(version)/sizeof(*version));
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char *p = version;
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while (p && *p)
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{
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if (*p != '.' && (*p < '0' || *p > '9'))
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{
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*p = 0;
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break;
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}
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p++;
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}
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switch(setup->bitrateMode)
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{
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case MP4_BR_MODE_CBR:
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StringCchPrintfA(tool, cch, "fhgaac v%s;CBR=%d", version, setup->nBitRate);
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break;
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case MP4_BR_MODE_VBR_1:
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StringCchPrintfA(tool, cch, "fhgaac v%s;VBR=1", version);
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break;
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case MP4_BR_MODE_VBR_2:
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StringCchPrintfA(tool, cch, "fhgaac v%s;VBR=2", version);
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break;
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case MP4_BR_MODE_VBR_3:
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StringCchPrintfA(tool, cch, "fhgaac v%s;VBR=3", version);
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break;
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case MP4_BR_MODE_VBR_4:
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StringCchPrintfA(tool, cch, "fhgaac v%s;VBR=4", version);
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break;
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case MP4_BR_MODE_VBR_5:
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StringCchPrintfA(tool, cch, "fhgaac v%s;VBR=5", version);
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break;
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case MP4_BR_MODE_VBR_6:
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StringCchPrintfA(tool, cch, "fhgaac v%s;VBR=6", version);
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break;
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}
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} |