From: "Lu, Han" han.lu@intel.com
Remove unnecessary prints in playback and capture threads, and replace the return value "0" with error code for convenience of maintaining.
Signed-off-by: Lu, Han han.lu@intel.com
diff --git a/bat/alsa.c b/bat/alsa.c index 5acc2bc..aae2eb0 100644 --- a/bat/alsa.c +++ b/bat/alsa.c @@ -316,18 +316,13 @@ static int write_to_pcm_loop(struct pcm_container *sndpcm, struct bat *bat)
while (1) { err = generate_input_data(sndpcm, bytes, bat); - if (err < 0) - return err; - else if (err > 0) + if (err != 0) break;
if (bat->debugplay) { - err = fwrite(sndpcm->buffer, 1, bytes, fp); - if (err != bytes) { - fprintf(bat->err, _("Write file error: ")); - fprintf(bat->err, _("%s(%d)\n"), - snd_strerror(err), err); - return -EIO; + if (fwrite(sndpcm->buffer, 1, bytes, fp) != bytes) { + err = -EIO; + break; } bytes_total += bytes; } @@ -339,7 +334,7 @@ static int write_to_pcm_loop(struct pcm_container *sndpcm, struct bat *bat)
err = write_to_pcm(sndpcm, frames, bat); if (err != 0) - return err; + break; }
if (bat->debugplay) { @@ -349,7 +344,7 @@ static int write_to_pcm_loop(struct pcm_container *sndpcm, struct bat *bat)
snd_pcm_drain(sndpcm->handle);
- return 0; + return err; }
/** @@ -405,7 +400,7 @@ void *playback_alsa(struct bat *bat) }
err = write_to_pcm_loop(&sndpcm, bat); - if (err != 0) { + if (err < 0) { retval_play = err; goto exit4; } @@ -484,14 +479,12 @@ static int read_from_pcm_loop(struct pcm_container *sndpcm, struct bat *bat) /* read a chunk from pcm device */ err = read_from_pcm(sndpcm, frames, bat); if (err != 0) - return err; + break;
/* write the chunk to file */ - err = fwrite(sndpcm->buffer, 1, size, fp); - if (err != size) { - fprintf(bat->err, _("Write file error: %s(%d)\n"), - snd_strerror(err), err); - return -EIO; + if (fwrite(sndpcm->buffer, 1, size, fp) != size) { + err = -EIO; + break; }
bytes_read += size; @@ -506,7 +499,7 @@ static int read_from_pcm_loop(struct pcm_container *sndpcm, struct bat *bat) update_wav_header(bat, fp, bytes_read);
fclose(fp); - return 0; + return err; }
static void pcm_cleanup(void *p)