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play() fix by Jimen Ching <jching@flex.com>, additional printf->mp_msg conversions (for coming i18n support) 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5903 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2002-04-29 16:53:38 +00:00
parent ec38f5315b
commit 7fccb6486e
1 changed files with 44 additions and 38 deletions
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78
libao2/ao_alsa5.c
View File

@ -15,6 +15,8 @@
#include "audio_out_internal.h"
#include "afmt.h"
#include "../mp_msg.h"
extern int verbose;
static ao_info_t info =
@ -50,18 +52,17 @@ static int init(int rate_hz, int channels, int format, int flags)
snd_pcm_info_t info;
snd_pcm_channel_info_t chninfo;
printf("alsa-init: requested format: %d Hz, %d channels, %s\n", rate_hz,
mp_msg(MSGT_AO, MSGL_INFO, "alsa-init: requested format: %d Hz, %d channels, %s\n", rate_hz,
channels, audio_out_format_name(format));
alsa_handler = NULL;
if (verbose)
printf("alsa-init: compiled for ALSA-%s (%d)\n", SND_LIB_VERSION_STR,
mp_msg(MSGT_AO, MSGL_V, "alsa-init: compiled for ALSA-%s (%d)\n", SND_LIB_VERSION_STR,
SND_LIB_VERSION);
if ((cards = snd_cards()) < 0)
{
printf("alsa-init: no soundcards found\n");
mp_msg(MSGT_AO, MSGL_ERR, "alsa-init: no soundcards found\n");
return(0);
}
@ -111,7 +112,7 @@ static int init(int rate_hz, int channels, int format, int flags)
ao_data.bps *= 2;
break;
case -1:
printf("alsa-init: invalid format (%s) requested - output disabled\n",
mp_msg(MSGT_AO, MSGL_ERR, "alsa-init: invalid format (%s) requested - output disabled\n",
audio_out_format_name(format));
return(0);
default:
@ -164,18 +165,18 @@ static int init(int rate_hz, int channels, int format, int flags)
if ((err = snd_pcm_open(&alsa_handler, 0, 0, SND_PCM_OPEN_PLAYBACK)) < 0)
{
printf("alsa-init: playback open error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-init: playback open error: %s\n", snd_strerror(err));
return(0);
}
if ((err = snd_pcm_info(alsa_handler, &info)) < 0)
{
printf("alsa-init: pcm info error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-init: pcm info error: %s\n", snd_strerror(err));
return(0);
}
printf("alsa-init: %d soundcard%s found, using: %s\n", cards,
(cards == 1) ? "" : "s", info.name);
mp_msg(MSGT_AO, MSGL_INFO, "alsa-init: %d soundcard(s) found, using: %s\n",
cards, info.name);
if (info.flags & SND_PCM_INFO_PLAYBACK)
{
@ -183,7 +184,7 @@ static int init(int rate_hz, int channels, int format, int flags)
chninfo.channel = SND_PCM_CHANNEL_PLAYBACK;
if ((err = snd_pcm_channel_info(alsa_handler, &chninfo)) < 0)
{
printf("alsa-init: pcm channel info error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-init: pcm channel info error: %s\n", snd_strerror(err));
return(0);
}
@ -192,8 +193,7 @@ static int init(int rate_hz, int channels, int format, int flags)
ao_data.buffersize = chninfo.buffer_size;
#endif
if (verbose)
printf("alsa-init: setting preferred buffer size from driver: %d bytes\n",
mp_msg(MSGT_AO, MSGL_V, "alsa-init: setting preferred buffer size from driver: %d bytes\n",
ao_data.buffersize);
}
@ -208,7 +208,7 @@ static int init(int rate_hz, int channels, int format, int flags)
if ((err = snd_pcm_channel_params(alsa_handler, &params)) < 0)
{
printf("alsa-init: error setting parameters: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-init: error setting parameters: %s\n", snd_strerror(err));
return(0);
}
@ -221,17 +221,17 @@ static int init(int rate_hz, int channels, int format, int flags)
if ((err = snd_pcm_channel_setup(alsa_handler, &setup)) < 0)
{
printf("alsa-init: error setting up channel: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-init: error setting up channel: %s\n", snd_strerror(err));
return(0);
}
if ((err = snd_pcm_channel_prepare(alsa_handler, SND_PCM_CHANNEL_PLAYBACK)) < 0)
{
printf("alsa-init: channel prepare error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-init: channel prepare error: %s\n", snd_strerror(err));
return(0);
}
printf("AUDIO: %d Hz/%d channels/%d bps/%d bytes buffer/%s\n",
mp_msg(MSGT_AO, MSGL_INFO, "AUDIO: %d Hz/%d channels/%d bps/%d bytes buffer/%s\n",
ao_data.samplerate, ao_data.channels+1, ao_data.bps, ao_data.buffersize,
snd_pcm_get_format_name(alsa_format.format));
return(1);
@ -244,19 +244,19 @@ static void uninit()
if ((err = snd_pcm_playback_drain(alsa_handler)) < 0)
{
printf("alsa-uninit: playback drain error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-uninit: playback drain error: %s\n", snd_strerror(err));
return;
}
if ((err = snd_pcm_channel_flush(alsa_handler, SND_PCM_CHANNEL_PLAYBACK)) < 0)
{
printf("alsa-uninit: playback flush error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-uninit: playback flush error: %s\n", snd_strerror(err));
return;
}
if ((err = snd_pcm_close(alsa_handler)) < 0)
{
printf("alsa-uninit: pcm close error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-uninit: pcm close error: %s\n", snd_strerror(err));
return;
}
}
@ -268,19 +268,19 @@ static void reset()
if ((err = snd_pcm_playback_drain(alsa_handler)) < 0)
{
printf("alsa-reset: playback drain error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-reset: playback drain error: %s\n", snd_strerror(err));
return;
}
if ((err = snd_pcm_channel_flush(alsa_handler, SND_PCM_CHANNEL_PLAYBACK)) < 0)
{
printf("alsa-reset: playback flush error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-reset: playback flush error: %s\n", snd_strerror(err));
return;
}
if ((err = snd_pcm_channel_prepare(alsa_handler, SND_PCM_CHANNEL_PLAYBACK)) < 0)
{
printf("alsa-reset: channel prepare error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-reset: channel prepare error: %s\n", snd_strerror(err));
return;
}
}
@ -292,13 +292,13 @@ static void audio_pause()
if ((err = snd_pcm_playback_drain(alsa_handler)) < 0)
{
printf("alsa-pause: playback drain error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-pause: playback drain error: %s\n", snd_strerror(err));
return;
}
if ((err = snd_pcm_channel_flush(alsa_handler, SND_PCM_CHANNEL_PLAYBACK)) < 0)
{
printf("alsa-pause: playback flush error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-pause: playback flush error: %s\n", snd_strerror(err));
return;
}
}
@ -309,7 +309,7 @@ static void audio_resume()
int err;
if ((err = snd_pcm_channel_prepare(alsa_handler, SND_PCM_CHANNEL_PLAYBACK)) < 0)
{
printf("alsa-resume: channel prepare error: %s\n", snd_strerror(err));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-resume: channel prepare error: %s\n", snd_strerror(err));
return;
}
}
@ -320,27 +320,33 @@ static void audio_resume()
*/
static int play(void* data, int len, int flags)
{
if ((len = snd_pcm_write(alsa_handler, data, len)) != len)
int got_len;
if (!len)
return(0);
if ((got_len = snd_pcm_write(alsa_handler, data, len)) < 0)
{
if (len == -EPIPE) /* underrun? */
if (got_len == -EPIPE) /* underrun? */
{
printf("alsa-play: alsa underrun, resetting stream\n");
if ((len = snd_pcm_channel_prepare(alsa_handler, SND_PCM_CHANNEL_PLAYBACK)) < 0)
mp_msg(MSGT_AO, MSGL_ERR, "alsa-play: alsa underrun, resetting stream\n");
if ((got_len = snd_pcm_channel_prepare(alsa_handler, SND_PCM_CHANNEL_PLAYBACK)) < 0)
{
printf("alsa-play: playback prepare error: %s\n", snd_strerror(len));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-play: playback prepare error: %s\n", snd_strerror(got_len));
return(0);
}
if ((len = snd_pcm_write(alsa_handler, data, len)) != len)
if ((got_len = snd_pcm_write(alsa_handler, data, len)) < 0)
{
printf("alsa-play: write error after reset: %s - giving up\n",
snd_strerror(len));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-play: write error after reset: %s - giving up\n",
snd_strerror(got_len));
return(0);
}
return(len); /* 2nd write was ok */
return(got_len); /* 2nd write was ok */
}
printf("alsa-play: output error: %s\n", snd_strerror(len));
mp_msg(MSGT_AO, MSGL_ERR, "alsa-play: output error: %s\n", snd_strerror(got_len));
return(0);
}
return(len);
return(got_len);
}
/* how many byes are free in the buffer */