DeforaOS/Phone
DeforaOS/Phone
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Support WAVE files with 16 bits per sample

Browse Source
This commit is contained in:
Pierre Pronchery 2014-10-20 23:50:24 +02:00
parent 458e509fac
commit ce71f3af42
1 changed files with 62 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

95
src/plugins/oss.c
View File

@ -54,13 +54,16 @@ typedef struct _PhonePlugin
int fd;
} OSS;
#pragma pack(1)
typedef struct _RIFFChunk
{
char ckID[4];
uint32_t ckSize;
uint8_t ckData[0];
} RIFFChunk;
#pragma pack()
#pragma pack(1)
typedef struct _WaveFormat
{
uint16_t wFormatTag;
@ -69,6 +72,11 @@ typedef struct _WaveFormat
uint32_t dwAvgBytesPerSec;
uint16_t wBlockAlign;
} WaveFormat;
#pragma pack()
#define WAVE_FORMAT_PCM 0x0001
#define IBM_FORMAT_MULAW 0x0101
#define IBM_FORMAT_ALAW 0x0102
#define IBM_FORMAT_ADPCM 0x0103
/* prototypes */
@ -126,8 +134,9 @@ static int _event_audio_play(OSS * oss, char const * sample);
static int _event_audio_play_chunk(OSS * oss, FILE * fp);
static int _event_audio_play_chunk_riff(OSS * oss, FILE * fp, RIFFChunk * rc);
static int _event_audio_play_chunk_wave(OSS * oss, FILE * fp, RIFFChunk * rc);
static int _event_audio_play_open(OSS * oss, char const * device,
WaveFormat * wf);
static int _event_audio_play_file(OSS * oss, char const * filename);
static int _event_audio_play_open(OSS * oss, char const * device, FILE * fp,
WaveFormat * wf, RIFFChunk * rc);
static int _event_audio_play_write(OSS * oss, RIFFChunk * rc, RIFFChunk * rc2,
FILE * fp, int fd);
static int _event_volume_get(OSS * oss, gdouble * level);
@ -160,13 +169,12 @@ static int _event_audio_play(OSS * oss, char const * sample)
const char path[] = DATADIR "/sounds/" PACKAGE;
const char ext[] = ".wav";
String * s;
FILE * fp;
char buf[128];
if((s = string_new_append(path, "/", sample, ext, NULL)) == NULL)
return -oss->helper->error(NULL, error_get(), 1);
/* open the audio file */
if((fp = fopen(s, "rb")) == NULL)
/* play the audio file */
if(_event_audio_play_file(oss, s) != 0)
{
snprintf(buf, sizeof(buf), "%s: %s", s, strerror(errno));
oss->helper->error(NULL, buf, 1);
@ -174,13 +182,6 @@ static int _event_audio_play(OSS * oss, char const * sample)
return -1;
}
string_delete(s);
/* go through every chunk */
while(_event_audio_play_chunk(oss, fp) == 0);
if(fclose(fp) != 0)
{
snprintf(buf, sizeof(buf), "%s: %s", s, strerror(errno));
return -oss->helper->error(NULL, buf, 1);
}
return 0;
}
@ -205,9 +206,8 @@ static int _event_audio_play_chunk(OSS * oss, FILE * fp)
if(_event_audio_play_chunk_riff(oss, fp, &rc) != 0)
return -1;
}
for(; rc.ckSize > 0; rc.ckSize--)
if(fgetc(fp) == EOF)
return -1;
if(fseek(fp, rc.ckSize, SEEK_CUR) != 0)
return -1;
/* FIXME implement the padding byte */
return 0;
}
@ -228,9 +228,9 @@ static int _event_audio_play_chunk_riff(OSS * oss, FILE * fp, RIFFChunk * rc)
if(strncmp(riffid, wave, sizeof(wave)) == 0)
return _event_audio_play_chunk_wave(oss, fp, rc);
/* skip the rest of the chunk */
for(; rc->ckSize > 0; rc->ckSize--)
if(fgetc(fp) == EOF)
return -1;
if(fseek(fp, rc->ckSize, SEEK_CUR) != 0)
return -1;
rc->ckSize = 0;
return 0;
}
@ -276,12 +276,14 @@ static int _event_audio_play_chunk_wave(OSS * oss, FILE * fp, RIFFChunk * rc)
rc->ckSize -= sizeof(wf);
rc2.ckSize -= sizeof(wf);
#ifdef DEBUG
fprintf(stderr, "DEBUG: 0x%04x format, %u channels\n",
fprintf(stderr, "DEBUG: format 0x%04x, %u channels\n",
wf.wFormatTag, wf.wChannels);
fprintf(stderr, "DEBUG: %u %u\n", rc->ckSize, rc2.ckSize);
#endif
dev = oss->helper->config_get(oss->helper->phone, "oss",
"device");
if((fd = _event_audio_play_open(oss, dev, &wf)) < 0)
if((fd = _event_audio_play_open(oss, dev, fp, &wf,
&rc2)) < 0)
return -1;
}
else if(strncmp(rc2.ckID, data, sizeof(data)) == 0)
@ -295,21 +297,36 @@ static int _event_audio_play_chunk_wave(OSS * oss, FILE * fp, RIFFChunk * rc)
break;
}
/* skip the rest of the chunk */
for(; rc2.ckSize > 0; rc2.ckSize--, rc->ckSize--)
if(fgetc(fp) == EOF)
{
if(fd >= 0)
close(fd);
return -1;
}
if(fseek(fp, rc2.ckSize, SEEK_CUR) != 0)
{
if(fd >= 0)
close(fd);
return -1;
}
rc->ckSize -= rc2.ckSize;
rc2.ckSize = 0;
}
if(fd >= 0)
close(fd);
return 0;
}
static int _event_audio_play_open(OSS * oss, char const * device,
WaveFormat * wf)
static int _event_audio_play_file(OSS * oss, char const * filename)
{
FILE * fp;
/* open the audio file */
if((fp = fopen(filename, "rb")) == NULL)
return -1;
/* go through every chunk */
while(_event_audio_play_chunk(oss, fp) == 0);
if(fclose(fp) != 0)
return -1;
return 0;
}
static int _event_audio_play_open(OSS * oss, char const * device, FILE * fp,
WaveFormat * wf, RIFFChunk * rc)
{
#ifdef __NetBSD__
const char devdsp[] = "/dev/sound";
@ -321,12 +338,24 @@ static int _event_audio_play_open(OSS * oss, char const * device,
int channels;
int samplerate;
char buf[128];
uint16_t bps;
device = (device != NULL) ? device : devdsp;
switch(wf->wFormatTag)
{
case 0x01:
device = (device != NULL) ? device : devdsp;
format = AFMT_U8;
case WAVE_FORMAT_PCM:
if(rc == NULL || rc->ckSize < sizeof(bps)
|| fread(&bps, sizeof(bps), 1, fp) != 1)
return -oss->helper->error(NULL,
"Invalid WAVE file", 1);
rc->ckSize -= sizeof(bps);
/* FIXME for big endian */
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() %u\n", __func__, bps);
#endif
/* FIXME may be wrong */
format = (bps == 8) ? AFMT_U8
: ((bps == 16) ? AFMT_S16_LE : AFMT_U8);
break;
default:
return -oss->helper->error(NULL,
@ -361,7 +390,7 @@ static int _event_audio_play_write(OSS * oss, RIFFChunk * rc, RIFFChunk * rc2,
rc->ckSize -= s, rc2->ckSize -= s)
{
if((s = fread(&u8, sizeof(*u8), s, fp)) == 0)
break;
return -1;
if((ss = write(fd, &u8, s)) < 0)
return -oss->helper->error(NULL, strerror(errno), 1);
else if((size_t)ss != s) /* XXX */