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https://github.com/alsa-project/alsa-utils
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alsabat: use general function for wav header update
In playback thread, use general function update_wav_header() to replace a bunch of code, so the structure is cleaner and no need to define variable "wav". Signed-off-by: Lu, Han <han.lu@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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parent
241d7fc1bb
commit
2c37a6f9c4
1 changed files with 3 additions and 16 deletions
19
bat/alsa.c
19
bat/alsa.c
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@ -292,11 +292,10 @@ static int write_to_pcm(const struct pcm_container *sndpcm,
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static int write_to_pcm_loop(struct pcm_container *sndpcm, struct bat *bat)
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{
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int err;
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int err = 0;
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int bytes = sndpcm->period_bytes; /* playback buffer size */
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int frames = bytes * 8 / sndpcm->frame_bits; /* frame count */
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FILE *fp = NULL;
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struct wav_container wav;
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int bytes_total = 0;
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if (bat->debugplay) {
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@ -308,7 +307,7 @@ static int write_to_pcm_loop(struct pcm_container *sndpcm, struct bat *bat)
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return err;
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}
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/* leave space for wav header */
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if (fseek(fp, sizeof(wav), SEEK_SET) != 0) {
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if (fseek(fp, sizeof(struct wav_container), SEEK_SET) != 0) {
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err = -errno;
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fclose(fp);
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return err;
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@ -344,19 +343,7 @@ static int write_to_pcm_loop(struct pcm_container *sndpcm, struct bat *bat)
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}
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if (bat->debugplay) {
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/* update wav header */
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prepare_wav_info(&wav, bat);
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wav.chunk.length = bytes_total;
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wav.header.length = (wav.chunk.length) + sizeof(wav.chunk)
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+ sizeof(wav.format) + sizeof(wav.header) - 8;
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rewind(fp);
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err = write_wav_header(fp, &wav, bat);
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if (err != 0) {
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fprintf(bat->err, _("Write file error: %s %s(%d)\n"),
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bat->debugplay, snd_strerror(err), err);
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return err;
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}
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update_wav_header(bat, fp, bytes_total);
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fclose(fp);
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}
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