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wavaudio: Use stdio instead of QEMUFile

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QEMUFile * is only intended for migration nowadays.  Using it for
anything else just adds pain and a layer of buffers for no good
reason.

Signed-off-by: Juan Quintela <quintela@redhat.com>
CC:  malc <av1474@comtv.ru>
Signed-off-by: malc <av1474@comtv.ru>
This commit is contained in:
Juan Quintela 2011-09-20 15:16:27 +02:00 committed by malc
parent b04df2a440
commit 27acf660aa
1 changed files with 36 additions and 10 deletions
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46
audio/wavaudio.c
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@ -30,7 +30,7 @@
typedef struct WAVVoiceOut {
HWVoiceOut hw;
QEMUFile *f;
FILE *f;
int64_t old_ticks;
void *pcm_buf;
int total_samples;
@ -76,7 +76,10 @@ static int wav_run_out (HWVoiceOut *hw, int live)
dst = advance (wav->pcm_buf, rpos << hw->info.shift);
hw->clip (dst, src, convert_samples);
qemu_put_buffer (wav->f, dst, convert_samples << hw->info.shift);
if (fwrite (dst, convert_samples << hw->info.shift, 1, wav->f) != 1) {
dolog ("wav_run_out: fwrite of %d bytes failed\nReaons: %s\n",
convert_samples << hw->info.shift, strerror (errno));
}
rpos = (rpos + convert_samples) % hw->samples;
samples -= convert_samples;
@ -152,7 +155,7 @@ static int wav_init_out (HWVoiceOut *hw, struct audsettings *as)
le_store (hdr + 28, hw->info.freq << (bits16 + stereo), 4);
le_store (hdr + 32, 1 << (bits16 + stereo), 2);
wav->f = qemu_fopen (conf.wav_path, "wb");
wav->f = fopen (conf.wav_path, "wb");
if (!wav->f) {
dolog ("Failed to open wave file `%s'\nReason: %s\n",
conf.wav_path, strerror (errno));
@ -161,7 +164,11 @@ static int wav_init_out (HWVoiceOut *hw, struct audsettings *as)
return -1;
}
qemu_put_buffer (wav->f, hdr, sizeof (hdr));
if (fwrite (hdr, sizeof (hdr), 1, wav->f) != 1) {
dolog ("wav_init_out: failed to write header\nReason: %s\n",
strerror(errno));
return -1;
}
return 0;
}
@ -180,13 +187,32 @@ static void wav_fini_out (HWVoiceOut *hw)
le_store (rlen, rifflen, 4);
le_store (dlen, datalen, 4);
qemu_fseek (wav->f, 4, SEEK_SET);
qemu_put_buffer (wav->f, rlen, 4);
if (fseek (wav->f, 4, SEEK_SET)) {
dolog ("wav_fini_out: fseek to rlen failed\nReason: %s\n",
strerror(errno));
goto doclose;
}
if (fwrite (rlen, 4, 1, wav->f) != 1) {
dolog ("wav_fini_out: failed to write rlen\nReason: %s\n",
strerror (errno));
goto doclose;
}
if (fseek (wav->f, 32, SEEK_CUR)) {
dolog ("wav_fini_out: fseek to dlen failed\nReason: %s\n",
strerror (errno));
goto doclose;
}
if (fwrite (dlen, 4, 1, wav->f) != 1) {
dolog ("wav_fini_out: failed to write dlen\nReaons: %s\n",
strerror (errno));
goto doclose;
}
qemu_fseek (wav->f, 32, SEEK_CUR);
qemu_put_buffer (wav->f, dlen, 4);
qemu_fclose (wav->f);
doclose:
if (fclose (wav->f)) {
dolog ("wav_fini_out: fclose %p failed\nReason: %s\n",
wav->f, strerror (errno));
}
wav->f = NULL;
g_free (wav->pcm_buf);