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aplay: Add the support for big-endian WAV format (RIFX)

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Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-12-13 10:53:19 +01:00
parent c7b9d3e394
commit de61ec66fe
2 changed files with 73 additions and 29 deletions
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95
aplay/aplay.c
View file

@ -892,11 +892,20 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
WaveFmtBody *f; WaveFmtBody *f;
WaveChunkHeader *c; WaveChunkHeader *c;
u_int type, len; u_int type, len;
unsigned short format, channels;
int big_endian, native_format;
if (size < sizeof(WaveHeader)) if (size < sizeof(WaveHeader))
return -1; return -1;
if (h->magic != WAV_RIFF || h->type != WAV_WAVE) if (h->magic == WAV_RIFF)
big_endian = 0;
else if (h->magic == WAV_RIFX)
big_endian = 1;
else
return -1; return -1;
if (h->type != WAV_WAVE)
return -1;
if (size > sizeof(WaveHeader)) { if (size > sizeof(WaveHeader)) {
check_wavefile_space(buffer, size - sizeof(WaveHeader), blimit); check_wavefile_space(buffer, size - sizeof(WaveHeader), blimit);
memcpy(buffer, _buffer + sizeof(WaveHeader), size - sizeof(WaveHeader)); memcpy(buffer, _buffer + sizeof(WaveHeader), size - sizeof(WaveHeader));
@ -907,7 +916,7 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
test_wavefile_read(fd, buffer, &size, sizeof(WaveChunkHeader), __LINE__); test_wavefile_read(fd, buffer, &size, sizeof(WaveChunkHeader), __LINE__);
c = (WaveChunkHeader*)buffer; c = (WaveChunkHeader*)buffer;
type = c->type; type = c->type;
len = LE_INT(c->length); len = TO_CPU_INT(c->length, big_endian);
len += len % 2; len += len % 2;
if (size > sizeof(WaveChunkHeader)) if (size > sizeof(WaveChunkHeader))
memmove(buffer, buffer + sizeof(WaveChunkHeader), size - sizeof(WaveChunkHeader)); memmove(buffer, buffer + sizeof(WaveChunkHeader), size - sizeof(WaveChunkHeader));
@ -929,7 +938,8 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
check_wavefile_space(buffer, len, blimit); check_wavefile_space(buffer, len, blimit);
test_wavefile_read(fd, buffer, &size, len, __LINE__); test_wavefile_read(fd, buffer, &size, len, __LINE__);
f = (WaveFmtBody*) buffer; f = (WaveFmtBody*) buffer;
if (LE_SHORT(f->format) == WAV_FMT_EXTENSIBLE) { format = TO_CPU_SHORT(f->format, big_endian);
if (format == WAV_FMT_EXTENSIBLE) {
WaveFmtExtensibleBody *fe = (WaveFmtExtensibleBody*)buffer; WaveFmtExtensibleBody *fe = (WaveFmtExtensibleBody*)buffer;
if (len < sizeof(WaveFmtExtensibleBody)) { if (len < sizeof(WaveFmtExtensibleBody)) {
error(_("unknown length of extensible 'fmt ' chunk (read %u, should be %u at least)"), error(_("unknown length of extensible 'fmt ' chunk (read %u, should be %u at least)"),
@ -940,19 +950,20 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
error(_("wrong format tag in extensible 'fmt ' chunk")); error(_("wrong format tag in extensible 'fmt ' chunk"));
prg_exit(EXIT_FAILURE); prg_exit(EXIT_FAILURE);
} }
f->format = fe->guid_format; format = TO_CPU_SHORT(fe->guid_format, big_endian);
} }
if (LE_SHORT(f->format) != WAV_FMT_PCM && if (format != WAV_FMT_PCM &&
LE_SHORT(f->format) != WAV_FMT_IEEE_FLOAT) { format != WAV_FMT_IEEE_FLOAT) {
error(_("can't play WAVE-file format 0x%04x which is not PCM or FLOAT encoded"), LE_SHORT(f->format)); error(_("can't play WAVE-file format 0x%04x which is not PCM or FLOAT encoded"), format);
prg_exit(EXIT_FAILURE); prg_exit(EXIT_FAILURE);
} }
if (LE_SHORT(f->channels) < 1) { channels = TO_CPU_SHORT(f->channels, big_endian);
error(_("can't play WAVE-files with %d tracks"), LE_SHORT(f->channels)); if (channels < 1) {
error(_("can't play WAVE-files with %d tracks"), channels);
prg_exit(EXIT_FAILURE); prg_exit(EXIT_FAILURE);
} }
hwparams.channels = LE_SHORT(f->channels); hwparams.channels = channels;
switch (LE_SHORT(f->bit_p_spl)) { switch (TO_CPU_SHORT(f->bit_p_spl, big_endian)) {
case 8: case 8:
if (hwparams.format != DEFAULT_FORMAT && if (hwparams.format != DEFAULT_FORMAT &&
hwparams.format != SND_PCM_FORMAT_U8) hwparams.format != SND_PCM_FORMAT_U8)
@ -960,43 +971,69 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
hwparams.format = SND_PCM_FORMAT_U8; hwparams.format = SND_PCM_FORMAT_U8;
break; break;
case 16: case 16:
if (big_endian)
native_format = SND_PCM_FORMAT_S16_BE;
else
native_format = SND_PCM_FORMAT_S16_LE;
if (hwparams.format != DEFAULT_FORMAT && if (hwparams.format != DEFAULT_FORMAT &&
hwparams.format != SND_PCM_FORMAT_S16_LE) hwparams.format != native_format)
fprintf(stderr, _("Warning: format is changed to S16_LE\n")); fprintf(stderr, _("Warning: format is changed to %s\n"),
hwparams.format = SND_PCM_FORMAT_S16_LE; snd_pcm_format_name(native_format));
hwparams.format = native_format;
break; break;
case 24: case 24:
switch (LE_SHORT(f->byte_p_spl) / hwparams.channels) { switch (TO_CPU_SHORT(f->byte_p_spl, big_endian) / hwparams.channels) {
case 3: case 3:
if (big_endian)
native_format = SND_PCM_FORMAT_S24_3BE;
else
native_format = SND_PCM_FORMAT_S24_3LE;
if (hwparams.format != DEFAULT_FORMAT && if (hwparams.format != DEFAULT_FORMAT &&
hwparams.format != SND_PCM_FORMAT_S24_3LE) hwparams.format != native_format)
fprintf(stderr, _("Warning: format is changed to S24_3LE\n")); fprintf(stderr, _("Warning: format is changed to %s\n"),
hwparams.format = SND_PCM_FORMAT_S24_3LE; snd_pcm_format_name(native_format));
hwparams.format = native_format;
break; break;
case 4: case 4:
if (big_endian)
native_format = SND_PCM_FORMAT_S24_BE;
else
native_format = SND_PCM_FORMAT_S24_LE;
if (hwparams.format != DEFAULT_FORMAT && if (hwparams.format != DEFAULT_FORMAT &&
hwparams.format != SND_PCM_FORMAT_S24_LE) hwparams.format != native_format)
fprintf(stderr, _("Warning: format is changed to S24_LE\n")); fprintf(stderr, _("Warning: format is changed to %s\n"),
hwparams.format = SND_PCM_FORMAT_S24_LE; snd_pcm_format_name(native_format));
hwparams.format = native_format;
break; break;
default: default:
error(_(" can't play WAVE-files with sample %d bits in %d bytes wide (%d channels)"), error(_(" can't play WAVE-files with sample %d bits in %d bytes wide (%d channels)"),
LE_SHORT(f->bit_p_spl), LE_SHORT(f->byte_p_spl), hwparams.channels); TO_CPU_SHORT(f->bit_p_spl, big_endian),
TO_CPU_SHORT(f->byte_p_spl, big_endian),
hwparams.channels);
prg_exit(EXIT_FAILURE); prg_exit(EXIT_FAILURE);
} }
break; break;
case 32: case 32:
if (LE_SHORT(f->format) == WAV_FMT_PCM) if (format == WAV_FMT_PCM) {
hwparams.format = SND_PCM_FORMAT_S32_LE; if (big_endian)
else if (LE_SHORT(f->format) == WAV_FMT_IEEE_FLOAT) native_format = SND_PCM_FORMAT_S32_BE;
hwparams.format = SND_PCM_FORMAT_FLOAT_LE; else
native_format = SND_PCM_FORMAT_S32_LE;
hwparams.format = native_format;
} else if (format == WAV_FMT_IEEE_FLOAT) {
if (big_endian)
native_format = SND_PCM_FORMAT_FLOAT_BE;
else
native_format = SND_PCM_FORMAT_FLOAT_LE;
hwparams.format = native_format;
}
break; break;
default: default:
error(_(" can't play WAVE-files with sample %d bits wide"), error(_(" can't play WAVE-files with sample %d bits wide"),
LE_SHORT(f->bit_p_spl)); TO_CPU_SHORT(f->bit_p_spl, big_endian));
prg_exit(EXIT_FAILURE); prg_exit(EXIT_FAILURE);
} }
hwparams.rate = LE_INT(f->sample_fq); hwparams.rate = TO_CPU_INT(f->sample_fq, big_endian);
if (size > len) if (size > len)
memmove(buffer, buffer + len, size - len); memmove(buffer, buffer + len, size - len);
@ -1009,7 +1046,7 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
test_wavefile_read(fd, buffer, &size, sizeof(WaveChunkHeader), __LINE__); test_wavefile_read(fd, buffer, &size, sizeof(WaveChunkHeader), __LINE__);
c = (WaveChunkHeader*)buffer; c = (WaveChunkHeader*)buffer;
type = c->type; type = c->type;
len = LE_INT(c->length); len = TO_CPU_INT(c->length, big_endian);
if (size > sizeof(WaveChunkHeader)) if (size > sizeof(WaveChunkHeader))
memmove(buffer, buffer + sizeof(WaveChunkHeader), size - sizeof(WaveChunkHeader)); memmove(buffer, buffer + sizeof(WaveChunkHeader), size - sizeof(WaveChunkHeader));
size -= sizeof(WaveChunkHeader); size -= sizeof(WaveChunkHeader);

7
aplay/formats.h
View file

@ -60,7 +60,14 @@ typedef struct voc_ext_block {
#error "Wrong endian" #error "Wrong endian"
#endif #endif
/* Note: the following macros evaluate the parameter v twice */
#define TO_CPU_SHORT(v, be) \
((be) ? BE_SHORT(v) : LE_SHORT(v))
#define TO_CPU_INT(v, be) \
((be) ? BE_INT(v) : LE_INT(v))
#define WAV_RIFF COMPOSE_ID('R','I','F','F') #define WAV_RIFF COMPOSE_ID('R','I','F','F')
#define WAV_RIFX COMPOSE_ID('R','I','F','X')
#define WAV_WAVE COMPOSE_ID('W','A','V','E') #define WAV_WAVE COMPOSE_ID('W','A','V','E')
#define WAV_FMT COMPOSE_ID('f','m','t',' ') #define WAV_FMT COMPOSE_ID('f','m','t',' ')
#define WAV_DATA COMPOSE_ID('d','a','t','a') #define WAV_DATA COMPOSE_ID('d','a','t','a')