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https://github.com/alsa-project/alsa-utils
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aplay: Add the support for big-endian WAV format (RIFX)
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
parent
c7b9d3e394
commit
de61ec66fe
2 changed files with 73 additions and 29 deletions
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@ -892,11 +892,20 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
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WaveFmtBody *f;
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WaveChunkHeader *c;
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u_int type, len;
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unsigned short format, channels;
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int big_endian, native_format;
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if (size < sizeof(WaveHeader))
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return -1;
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if (h->magic != WAV_RIFF || h->type != WAV_WAVE)
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if (h->magic == WAV_RIFF)
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big_endian = 0;
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else if (h->magic == WAV_RIFX)
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big_endian = 1;
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else
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return -1;
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if (h->type != WAV_WAVE)
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return -1;
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if (size > sizeof(WaveHeader)) {
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check_wavefile_space(buffer, size - sizeof(WaveHeader), blimit);
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memcpy(buffer, _buffer + sizeof(WaveHeader), size - sizeof(WaveHeader));
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@ -907,7 +916,7 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
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test_wavefile_read(fd, buffer, &size, sizeof(WaveChunkHeader), __LINE__);
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c = (WaveChunkHeader*)buffer;
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type = c->type;
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len = LE_INT(c->length);
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len = TO_CPU_INT(c->length, big_endian);
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len += len % 2;
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if (size > sizeof(WaveChunkHeader))
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memmove(buffer, buffer + sizeof(WaveChunkHeader), size - sizeof(WaveChunkHeader));
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@ -929,7 +938,8 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
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check_wavefile_space(buffer, len, blimit);
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test_wavefile_read(fd, buffer, &size, len, __LINE__);
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f = (WaveFmtBody*) buffer;
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if (LE_SHORT(f->format) == WAV_FMT_EXTENSIBLE) {
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format = TO_CPU_SHORT(f->format, big_endian);
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if (format == WAV_FMT_EXTENSIBLE) {
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WaveFmtExtensibleBody *fe = (WaveFmtExtensibleBody*)buffer;
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if (len < sizeof(WaveFmtExtensibleBody)) {
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error(_("unknown length of extensible 'fmt ' chunk (read %u, should be %u at least)"),
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@ -940,19 +950,20 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
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error(_("wrong format tag in extensible 'fmt ' chunk"));
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prg_exit(EXIT_FAILURE);
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}
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f->format = fe->guid_format;
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format = TO_CPU_SHORT(fe->guid_format, big_endian);
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}
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if (LE_SHORT(f->format) != WAV_FMT_PCM &&
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LE_SHORT(f->format) != WAV_FMT_IEEE_FLOAT) {
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error(_("can't play WAVE-file format 0x%04x which is not PCM or FLOAT encoded"), LE_SHORT(f->format));
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if (format != WAV_FMT_PCM &&
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format != WAV_FMT_IEEE_FLOAT) {
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error(_("can't play WAVE-file format 0x%04x which is not PCM or FLOAT encoded"), format);
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prg_exit(EXIT_FAILURE);
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}
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if (LE_SHORT(f->channels) < 1) {
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error(_("can't play WAVE-files with %d tracks"), LE_SHORT(f->channels));
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channels = TO_CPU_SHORT(f->channels, big_endian);
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if (channels < 1) {
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error(_("can't play WAVE-files with %d tracks"), channels);
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prg_exit(EXIT_FAILURE);
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}
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hwparams.channels = LE_SHORT(f->channels);
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switch (LE_SHORT(f->bit_p_spl)) {
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hwparams.channels = channels;
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switch (TO_CPU_SHORT(f->bit_p_spl, big_endian)) {
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case 8:
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if (hwparams.format != DEFAULT_FORMAT &&
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hwparams.format != SND_PCM_FORMAT_U8)
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@ -960,43 +971,69 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
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hwparams.format = SND_PCM_FORMAT_U8;
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break;
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case 16:
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if (big_endian)
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native_format = SND_PCM_FORMAT_S16_BE;
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else
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native_format = SND_PCM_FORMAT_S16_LE;
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if (hwparams.format != DEFAULT_FORMAT &&
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hwparams.format != SND_PCM_FORMAT_S16_LE)
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fprintf(stderr, _("Warning: format is changed to S16_LE\n"));
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hwparams.format = SND_PCM_FORMAT_S16_LE;
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hwparams.format != native_format)
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fprintf(stderr, _("Warning: format is changed to %s\n"),
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snd_pcm_format_name(native_format));
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hwparams.format = native_format;
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break;
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case 24:
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switch (LE_SHORT(f->byte_p_spl) / hwparams.channels) {
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switch (TO_CPU_SHORT(f->byte_p_spl, big_endian) / hwparams.channels) {
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case 3:
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if (big_endian)
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native_format = SND_PCM_FORMAT_S24_3BE;
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else
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native_format = SND_PCM_FORMAT_S24_3LE;
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if (hwparams.format != DEFAULT_FORMAT &&
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hwparams.format != SND_PCM_FORMAT_S24_3LE)
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fprintf(stderr, _("Warning: format is changed to S24_3LE\n"));
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hwparams.format = SND_PCM_FORMAT_S24_3LE;
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hwparams.format != native_format)
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fprintf(stderr, _("Warning: format is changed to %s\n"),
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snd_pcm_format_name(native_format));
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hwparams.format = native_format;
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break;
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case 4:
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if (big_endian)
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native_format = SND_PCM_FORMAT_S24_BE;
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else
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native_format = SND_PCM_FORMAT_S24_LE;
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if (hwparams.format != DEFAULT_FORMAT &&
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hwparams.format != SND_PCM_FORMAT_S24_LE)
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fprintf(stderr, _("Warning: format is changed to S24_LE\n"));
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hwparams.format = SND_PCM_FORMAT_S24_LE;
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hwparams.format != native_format)
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fprintf(stderr, _("Warning: format is changed to %s\n"),
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snd_pcm_format_name(native_format));
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hwparams.format = native_format;
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break;
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default:
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error(_(" can't play WAVE-files with sample %d bits in %d bytes wide (%d channels)"),
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LE_SHORT(f->bit_p_spl), LE_SHORT(f->byte_p_spl), hwparams.channels);
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TO_CPU_SHORT(f->bit_p_spl, big_endian),
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TO_CPU_SHORT(f->byte_p_spl, big_endian),
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hwparams.channels);
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prg_exit(EXIT_FAILURE);
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}
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break;
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case 32:
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if (LE_SHORT(f->format) == WAV_FMT_PCM)
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hwparams.format = SND_PCM_FORMAT_S32_LE;
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else if (LE_SHORT(f->format) == WAV_FMT_IEEE_FLOAT)
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hwparams.format = SND_PCM_FORMAT_FLOAT_LE;
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if (format == WAV_FMT_PCM) {
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if (big_endian)
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native_format = SND_PCM_FORMAT_S32_BE;
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else
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native_format = SND_PCM_FORMAT_S32_LE;
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hwparams.format = native_format;
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} else if (format == WAV_FMT_IEEE_FLOAT) {
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if (big_endian)
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native_format = SND_PCM_FORMAT_FLOAT_BE;
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else
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native_format = SND_PCM_FORMAT_FLOAT_LE;
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hwparams.format = native_format;
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}
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break;
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default:
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error(_(" can't play WAVE-files with sample %d bits wide"),
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LE_SHORT(f->bit_p_spl));
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TO_CPU_SHORT(f->bit_p_spl, big_endian));
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prg_exit(EXIT_FAILURE);
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}
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hwparams.rate = LE_INT(f->sample_fq);
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hwparams.rate = TO_CPU_INT(f->sample_fq, big_endian);
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if (size > len)
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memmove(buffer, buffer + len, size - len);
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@ -1009,7 +1046,7 @@ static ssize_t test_wavefile(int fd, u_char *_buffer, size_t size)
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test_wavefile_read(fd, buffer, &size, sizeof(WaveChunkHeader), __LINE__);
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c = (WaveChunkHeader*)buffer;
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type = c->type;
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len = LE_INT(c->length);
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len = TO_CPU_INT(c->length, big_endian);
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if (size > sizeof(WaveChunkHeader))
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memmove(buffer, buffer + sizeof(WaveChunkHeader), size - sizeof(WaveChunkHeader));
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size -= sizeof(WaveChunkHeader);
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@ -60,7 +60,14 @@ typedef struct voc_ext_block {
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#error "Wrong endian"
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#endif
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/* Note: the following macros evaluate the parameter v twice */
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#define TO_CPU_SHORT(v, be) \
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((be) ? BE_SHORT(v) : LE_SHORT(v))
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#define TO_CPU_INT(v, be) \
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((be) ? BE_INT(v) : LE_INT(v))
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#define WAV_RIFF COMPOSE_ID('R','I','F','F')
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#define WAV_RIFX COMPOSE_ID('R','I','F','X')
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#define WAV_WAVE COMPOSE_ID('W','A','V','E')
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#define WAV_FMT COMPOSE_ID('f','m','t',' ')
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#define WAV_DATA COMPOSE_ID('d','a','t','a')
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