#include "quakedef.h"
#include "snd_main.h"
#include "snd_ogg.h"
-#include "snd_wav.h"
/*
void *internal;
} vorbis_block;
+typedef struct
+{
+ char **user_comments;
+ int *comment_lengths;
+ int comments;
+ char *vendor;
+} vorbis_comment;
+
typedef struct
{
void *datasource;
long *serialnos;
ogg_int64_t *pcmlengths;
vorbis_info *vi;
- void *vc; // VOIDED POINTER
+ vorbis_comment *vc;
ogg_int64_t pcm_offset;
int ready_state;
long current_serialno;
// Functions exported from the vorbisfile library
static int (*qov_clear) (OggVorbis_File *vf);
static vorbis_info* (*qov_info) (OggVorbis_File *vf,int link);
+static vorbis_comment* (*qov_comment) (OggVorbis_File *vf,int link);
+static char * (*qvorbis_comment_query) (vorbis_comment *vc, char *tag, int count);
static int (*qov_open_callbacks) (void *datasource, OggVorbis_File *vf,
char *initial, long ibytes,
ov_callbacks callbacks);
static long (*qov_read) (OggVorbis_File *vf,char *buffer,int length,
int bigendianp,int word,int sgned,int *bitstream);
-static dllfunction_t oggvorbisfuncs[] =
+static dllfunction_t vorbisfilefuncs[] =
+{
+ {"ov_clear", (void **) &qov_clear},
+ {"ov_info", (void **) &qov_info},
+ {"ov_comment", (void **) &qov_comment},
+ {"ov_open_callbacks", (void **) &qov_open_callbacks},
+ {"ov_pcm_seek", (void **) &qov_pcm_seek},
+ {"ov_pcm_total", (void **) &qov_pcm_total},
+ {"ov_read", (void **) &qov_read},
+ {NULL, NULL}
+};
+
+static dllfunction_t vorbisfuncs[] =
{
- {"ov_clear", (void **) &qov_clear},
- {"ov_info", (void **) &qov_info},
- {"ov_open_callbacks", (void **) &qov_open_callbacks},
- {"ov_pcm_seek", (void **) &qov_pcm_seek},
- {"ov_pcm_total", (void **) &qov_pcm_total},
- {"ov_read", (void **) &qov_read},
+ {"vorbis_comment_query", (void **) &qvorbis_comment_query},
{NULL, NULL}
};
// Load the DLLs
// We need to load both by hand because some OSes seem to not load
// the vorbis DLL automatically when loading the VorbisFile DLL
- if (! Sys_LoadLibrary (dllnames_vo, &vo_dll, NULL) ||
- ! Sys_LoadLibrary (dllnames_vf, &vf_dll, oggvorbisfuncs))
- {
- Sys_UnloadLibrary (&vo_dll);
- Con_Printf ("Ogg Vorbis support disabled\n");
- return false;
- }
-
- Con_Printf ("Ogg Vorbis support enabled\n");
- return true;
+ return Sys_LoadLibrary (dllnames_vo, &vo_dll, vorbisfuncs) && Sys_LoadLibrary (dllnames_vf, &vf_dll, vorbisfilefuncs);
}
=================================================================
*/
-#define STREAM_BUFFER_DURATION 1.5f // 1.5 sec
-#define STREAM_BUFFER_SIZE(format_ptr) ((int)(ceil (STREAM_BUFFER_DURATION * ((format_ptr)->speed * (format_ptr)->width * (format_ptr)->channels))))
-
-// We work with 1 sec sequences, so this buffer must be able to contain
-// 1 sec of sound of the highest quality (48 KHz, 16 bit samples, stereo)
-static unsigned char resampling_buffer [48000 * 2 * 2];
-
-
// Per-sfx data structure
typedef struct
{
unsigned char *file;
size_t filesize;
snd_format_t format;
+ unsigned int total_length;
+ char name[128];
} ogg_stream_persfx_t;
// Per-channel data structure
OGG_FetchSound
====================
*/
-static const snd_buffer_t* OGG_FetchSound (channel_t* ch, unsigned int* start, unsigned int nbsampleframes)
+static const snd_buffer_t* OGG_FetchSound (void *sfxfetcher, void **chfetcherpointer, unsigned int *start, unsigned int nbsampleframes)
{
- ogg_stream_perchannel_t* per_ch;
- sfx_t* sfx;
- ogg_stream_persfx_t* per_sfx;
+ ogg_stream_perchannel_t* per_ch = (ogg_stream_perchannel_t *)*chfetcherpointer;
+ ogg_stream_persfx_t* per_sfx = (ogg_stream_persfx_t *)sfxfetcher;
snd_buffer_t* sb;
int newlength, done, ret, bigendian;
unsigned int real_start;
unsigned int factor;
- per_ch = (ogg_stream_perchannel_t *)ch->fetcher_data;
- sfx = ch->sfx;
- per_sfx = (ogg_stream_persfx_t *)sfx->fetcher_data;
-
// If there's no fetcher structure attached to the channel yet
if (per_ch == NULL)
{
buff_len = STREAM_BUFFER_SIZE(&sb_format);
memsize = sizeof (*per_ch) - sizeof (per_ch->sb.samples) + buff_len;
per_ch = (ogg_stream_perchannel_t *)Mem_Alloc (snd_mempool, memsize);
- sfx->memsize += memsize;
// Open it with the VorbisFile API
per_ch->ov_decode.buffer = per_sfx->file;
per_ch->ov_decode.buffsize = per_sfx->filesize;
if (qov_open_callbacks (&per_ch->ov_decode, &per_ch->vf, NULL, 0, callbacks) < 0)
{
- Con_Printf("error while reading Ogg Vorbis stream \"%s\"\n", sfx->name);
+ Con_Printf("error while reading Ogg Vorbis stream \"%s\"\n", per_sfx->name);
Mem_Free (per_ch);
return NULL;
}
per_ch->sb.nbframes = 0;
per_ch->sb.maxframes = buff_len / (per_ch->sb.format.channels * per_ch->sb.format.width);
- ch->fetcher_data = per_ch;
+ *chfetcherpointer = per_ch;
}
real_start = *start;
ogg_int64_t ogg_start;
int err;
- if (real_start > (unsigned int)sfx->total_length)
+ if (real_start > (unsigned int)per_sfx->total_length)
{
Con_Printf ("OGG_FetchSound: asked for a start position after the end of the sfx! (%u > %u)\n",
- real_start, sfx->total_length);
+ real_start, per_sfx->total_length);
return NULL;
}
}
sb->nbframes = 0;
- real_start = (float)ogg_start / per_sfx->format.speed * snd_renderbuffer->format.speed;
+ real_start = (unsigned int) ((float)ogg_start / per_sfx->format.speed * snd_renderbuffer->format.speed);
if (*start - real_start + nbsampleframes > sb->maxframes)
{
Con_Printf ("OGG_FetchSound: stream buffer too small after seek (%u sample frames required)\n",
per_ch->sb_offset = real_start;
- // We add exactly 1 sec of sound to the buffer:
- // 1- to ensure we won't lose any sample during the resampling process
- // 2- to force one call to OGG_FetchSound per second to regulate the workload
- if (sb->format.speed + sb->nbframes > sb->maxframes)
+ // We add more than one frame of sound to the buffer:
+ // 1- to ensure we won't lose many samples during the resampling process
+ // 2- to reduce calls to OGG_FetchSound to regulate workload
+ newlength = (int)(per_sfx->format.speed*STREAM_BUFFER_FILL);
+ if (newlength + sb->nbframes > sb->maxframes)
{
Con_Printf ("OGG_FetchSound: stream buffer overflow (%u sample frames / %u)\n",
sb->format.speed + sb->nbframes, sb->maxframes);
return NULL;
}
- newlength = per_sfx->format.speed * factor; // -> 1 sec of sound before resampling
+ newlength *= factor; // convert from sample frames to bytes
+ if(newlength > (int)sizeof(resampling_buffer))
+ newlength = sizeof(resampling_buffer);
// Decompress in the resampling_buffer
#if BYTE_ORDER == BIG_ENDIAN
OGG_FetchEnd
====================
*/
-static void OGG_FetchEnd (channel_t* ch)
+static void OGG_FetchEnd (void *chfetcherdata)
{
- ogg_stream_perchannel_t* per_ch;
+ ogg_stream_perchannel_t* per_ch = (ogg_stream_perchannel_t *)chfetcherdata;
- per_ch = (ogg_stream_perchannel_t *)ch->fetcher_data;
if (per_ch != NULL)
{
- size_t buff_len;
-
// Free the ogg vorbis decoder
qov_clear (&per_ch->vf);
- buff_len = per_ch->sb.maxframes * per_ch->sb.format.channels * per_ch->sb.format.width;
- ch->sfx->memsize -= sizeof (*per_ch) - sizeof (per_ch->sb.samples) + buff_len;
-
Mem_Free (per_ch);
- ch->fetcher_data = NULL;
}
}
OGG_FreeSfx
====================
*/
-static void OGG_FreeSfx (sfx_t* sfx)
+static void OGG_FreeSfx (void *sfxfetcherdata)
{
- ogg_stream_persfx_t* per_sfx = (ogg_stream_persfx_t *)sfx->fetcher_data;
+ ogg_stream_persfx_t* per_sfx = (ogg_stream_persfx_t *)sfxfetcherdata;
// Free the Ogg Vorbis file
Mem_Free(per_sfx->file);
- sfx->memsize -= per_sfx->filesize;
// Free the stream structure
Mem_Free(per_sfx);
- sfx->memsize -= sizeof (*per_sfx);
-
- sfx->fetcher_data = NULL;
- sfx->fetcher = NULL;
}
static const snd_fetcher_t ogg_fetcher = { OGG_FetchSound, OGG_FetchEnd, OGG_FreeSfx, OGG_GetFormat };
+static void OGG_DecodeTags(vorbis_comment *vc, unsigned int *start, unsigned int *length, double samplesfactor, unsigned int numsamples, double *peak, double *gaindb)
+{
+ const char *startcomment = NULL, *lengthcomment = NULL, *endcomment = NULL, *thiscomment = NULL;
+
+ *start = numsamples;
+ *length = numsamples;
+ *peak = 0.0;
+ *gaindb = 0.0;
+
+ if(!vc)
+ return;
+
+ thiscomment = qvorbis_comment_query(vc, "REPLAYGAIN_TRACK_PEAK", 0);
+ if(thiscomment)
+ *peak = atof(thiscomment);
+ thiscomment = qvorbis_comment_query(vc, "REPLAYGAIN_TRACK_GAIN", 0);
+ if(thiscomment)
+ *gaindb = atof(thiscomment);
+
+ startcomment = qvorbis_comment_query(vc, "LOOP_START", 0); // DarkPlaces, and some Japanese app
+ if(startcomment)
+ {
+ endcomment = qvorbis_comment_query(vc, "LOOP_END", 0);
+ if(!endcomment)
+ lengthcomment = qvorbis_comment_query(vc, "LOOP_LENGTH", 0);
+ }
+ else
+ {
+ startcomment = qvorbis_comment_query(vc, "LOOPSTART", 0); // RPG Maker VX
+ if(startcomment)
+ {
+ lengthcomment = qvorbis_comment_query(vc, "LOOPLENGTH", 0);
+ if(!lengthcomment)
+ endcomment = qvorbis_comment_query(vc, "LOOPEND", 0);
+ }
+ else
+ {
+ startcomment = qvorbis_comment_query(vc, "LOOPPOINT", 0); // Sonic Robo Blast 2
+ }
+ }
+
+ if(startcomment)
+ {
+ *start = (unsigned int) bound(0, atof(startcomment) * samplesfactor, numsamples);
+ if(endcomment)
+ *length = (unsigned int) bound(0, atof(endcomment) * samplesfactor, numsamples);
+ else if(lengthcomment)
+ *length = (unsigned int) bound(0, *start + atof(lengthcomment) * samplesfactor, numsamples);
+ }
+}
/*
====================
fs_offset_t filesize;
ov_decode_t ov_decode;
OggVorbis_File vf;
+ ogg_stream_persfx_t* per_sfx;
vorbis_info *vi;
- ogg_int64_t len, buff_len;
+ vorbis_comment *vc;
+ ogg_int64_t len;
+ double peak, gaindb;
if (!vf_dll)
return false;
if (data == NULL)
return false;
- Con_DPrintf ("Loading Ogg Vorbis file \"%s\"\n", filename);
+ if (developer_loading.integer >= 2)
+ Con_Printf ("Loading Ogg Vorbis file \"%s\"\n", filename);
// Open it with the VorbisFile API
ov_decode.buffer = data;
len = qov_pcm_total (&vf, -1) * vi->channels * 2; // 16 bits => "* 2"
- // Decide if we go for a stream or a simple PCM cache
- buff_len = (int)ceil (STREAM_BUFFER_DURATION * (snd_renderbuffer->format.speed * 2 * vi->channels));
- if (snd_streaming.integer && len > (ogg_int64_t)filesize + 3 * buff_len)
- {
- ogg_stream_persfx_t* per_sfx;
-
- Con_DPrintf ("\"%s\" will be streamed\n", filename);
- per_sfx = (ogg_stream_persfx_t *)Mem_Alloc (snd_mempool, sizeof (*per_sfx));
- sfx->memsize += sizeof (*per_sfx);
- per_sfx->file = data;
- per_sfx->filesize = filesize;
- sfx->memsize += filesize;
-
- per_sfx->format.speed = vi->rate;
- per_sfx->format.width = 2; // We always work with 16 bits samples
- per_sfx->format.channels = vi->channels;
-
- sfx->fetcher_data = per_sfx;
- sfx->fetcher = &ogg_fetcher;
- sfx->loopstart = -1;
- sfx->flags |= SFXFLAG_STREAMED;
- sfx->total_length = (int)((size_t)len / (per_sfx->format.channels * 2) * ((double)snd_renderbuffer->format.speed / per_sfx->format.speed));
- }
- else
+ if (developer_loading.integer >= 2)
+ Con_Printf ("Ogg sound file \"%s\" will be streamed\n", filename);
+ per_sfx = (ogg_stream_persfx_t *)Mem_Alloc (snd_mempool, sizeof (*per_sfx));
+ strlcpy(per_sfx->name, sfx->name, sizeof(per_sfx->name));
+ sfx->memsize += sizeof (*per_sfx);
+ per_sfx->file = data;
+ per_sfx->filesize = filesize;
+ sfx->memsize += filesize;
+
+ per_sfx->format.speed = vi->rate;
+ per_sfx->format.width = 2; // We always work with 16 bits samples
+ per_sfx->format.channels = vi->channels;
+
+ sfx->fetcher_data = per_sfx;
+ sfx->fetcher = &ogg_fetcher;
+ sfx->flags |= SFXFLAG_STREAMED;
+ sfx->total_length = (int)((size_t)len / (per_sfx->format.channels * 2) * ((double)snd_renderbuffer->format.speed / per_sfx->format.speed));
+ vc = qov_comment(&vf, -1);
+ OGG_DecodeTags(vc, &sfx->loopstart, &sfx->total_length, (double)snd_renderbuffer->format.speed / (double)per_sfx->format.speed, sfx->total_length, &peak, &gaindb);
+ per_sfx->total_length = sfx->total_length;
+ qov_clear (&vf);
+
+ if(peak)
{
- char *buff;
- ogg_int64_t done;
- int bs, bigendian;
- long ret;
- snd_buffer_t *sb;
- snd_format_t ogg_format;
-
- Con_DPrintf ("\"%s\" will be cached\n", filename);
-
- // Decode it
- buff = (char *)Mem_Alloc (snd_mempool, (int)len);
- done = 0;
- bs = 0;
-#if BYTE_ORDER == BIG_ENDIAN
- bigendian = 1;
-#else
- bigendian = 0;
-#endif
- while ((ret = qov_read (&vf, &buff[done], (int)(len - done), bigendian, 2, 1, &bs)) > 0)
- done += ret;
-
- // Build the sound buffer
- ogg_format.speed = vi->rate;
- ogg_format.channels = vi->channels;
- ogg_format.width = 2; // We always work with 16 bits samples
- sb = Snd_CreateSndBuffer ((unsigned char *)buff, (size_t)done / (vi->channels * 2), &ogg_format, snd_renderbuffer->format.speed);
- if (sb == NULL)
- {
- qov_clear (&vf);
- Mem_Free (data);
- Mem_Free (buff);
- return false;
- }
-
- sfx->fetcher = &wav_fetcher;
- sfx->fetcher_data = sb;
-
- sfx->total_length = sb->nbframes;
- sfx->memsize += sb->maxframes * sb->format.channels * sb->format.width + sizeof (*sb) - sizeof (sb->samples);
-
- sfx->loopstart = -1;
- sfx->flags &= ~SFXFLAG_STREAMED;
-
- qov_clear (&vf);
- Mem_Free (data);
- Mem_Free (buff);
+ sfx->volume_mult = min(1.0f / peak, exp(gaindb * 0.05f * log(10.0f)));
+ sfx->volume_peak = peak;
+ if (developer_loading.integer >= 2)
+ Con_Printf ("Ogg sound file \"%s\" uses ReplayGain (gain %f, peak %f)\n", filename, sfx->volume_mult, sfx->volume_peak);
}
return true;