diff options
Diffstat (limited to 'libmpdemux/audio_in.c')
| -rw-r--r-- | libmpdemux/audio_in.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/libmpdemux/audio_in.c b/libmpdemux/audio_in.c deleted file mode 100644 index 03259614a4..0000000000 --- a/libmpdemux/audio_in.c +++ /dev/null @@ -1,219 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> - -#include "config.h" - -#include "audio_in.h" -#include "mp_msg.h" -#include "help_mp.h" -#include <string.h> -#include <errno.h> - -// sanitizes ai structure before calling other functions -int audio_in_init(audio_in_t *ai, int type) -{ - ai->type = type; - ai->setup = 0; - - ai->channels = -1; - ai->samplerate = -1; - ai->blocksize = -1; - ai->bytes_per_sample = -1; - ai->samplesize = -1; - - switch (ai->type) { -#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X) - case AUDIO_IN_ALSA: - ai->alsa.handle = NULL; - ai->alsa.log = NULL; - ai->alsa.device = strdup("default"); - return 0; -#endif -#ifdef USE_OSS_AUDIO - case AUDIO_IN_OSS: - ai->oss.audio_fd = -1; - ai->oss.device = strdup("/dev/dsp"); - return 0; -#endif - default: - return -1; - } -} - -int audio_in_setup(audio_in_t *ai) -{ - - switch (ai->type) { -#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X) - case AUDIO_IN_ALSA: - if (ai_alsa_init(ai) < 0) return -1; - ai->setup = 1; - return 0; -#endif -#ifdef USE_OSS_AUDIO - case AUDIO_IN_OSS: - if (ai_oss_init(ai) < 0) return -1; - ai->setup = 1; - return 0; -#endif - default: - return -1; - } -} - -int audio_in_set_samplerate(audio_in_t *ai, int rate) -{ - switch (ai->type) { -#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X) - case AUDIO_IN_ALSA: - ai->req_samplerate = rate; - if (!ai->setup) return 0; - if (ai_alsa_setup(ai) < 0) return -1; - return ai->samplerate; -#endif -#ifdef USE_OSS_AUDIO - case AUDIO_IN_OSS: - ai->req_samplerate = rate; - if (!ai->setup) return 0; - if (ai_oss_set_samplerate(ai) < 0) return -1; - return ai->samplerate; -#endif - default: - return -1; - } -} - -int audio_in_set_channels(audio_in_t *ai, int channels) -{ - switch (ai->type) { -#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X) - case AUDIO_IN_ALSA: - ai->req_channels = channels; - if (!ai->setup) return 0; - if (ai_alsa_setup(ai) < 0) return -1; - return ai->channels; -#endif -#ifdef USE_OSS_AUDIO - case AUDIO_IN_OSS: - ai->req_channels = channels; - if (!ai->setup) return 0; - if (ai_oss_set_channels(ai) < 0) return -1; - return ai->channels; -#endif - default: - return -1; - } -} - -int audio_in_set_device(audio_in_t *ai, char *device) -{ -#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X) - int i; -#endif - if (ai->setup) return -1; - switch (ai->type) { -#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X) - case AUDIO_IN_ALSA: - if (ai->alsa.device) free(ai->alsa.device); - ai->alsa.device = strdup(device); - /* mplayer cannot handle colons in arguments */ - for (i = 0; i < (int)strlen(ai->alsa.device); i++) { - if (ai->alsa.device[i] == '.') ai->alsa.device[i] = ':'; - } - return 0; -#endif -#ifdef USE_OSS_AUDIO - case AUDIO_IN_OSS: - if (ai->oss.device) free(ai->oss.device); - ai->oss.device = strdup(device); - return 0; -#endif - default: - return -1; - } -} - -int audio_in_uninit(audio_in_t *ai) -{ - if (ai->setup) { - switch (ai->type) { -#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X) - case AUDIO_IN_ALSA: - if (ai->alsa.log) - snd_output_close(ai->alsa.log); - if (ai->alsa.handle) { - snd_pcm_close(ai->alsa.handle); - } - ai->setup = 0; - return 0; -#endif -#ifdef USE_OSS_AUDIO - case AUDIO_IN_OSS: - close(ai->oss.audio_fd); - ai->setup = 0; - return 0; -#endif - } - } - return -1; -} - -int audio_in_start_capture(audio_in_t *ai) -{ - switch (ai->type) { -#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X) - case AUDIO_IN_ALSA: - return snd_pcm_start(ai->alsa.handle); -#endif -#ifdef USE_OSS_AUDIO - case AUDIO_IN_OSS: - return 0; -#endif - default: - return -1; - } -} - -int audio_in_read_chunk(audio_in_t *ai, unsigned char *buffer) -{ - int ret; - - switch (ai->type) { -#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X) - case AUDIO_IN_ALSA: - ret = snd_pcm_readi(ai->alsa.handle, buffer, ai->alsa.chunk_size); - if (ret != ai->alsa.chunk_size) { - if (ret < 0) { - mp_msg(MSGT_TV, MSGL_ERR, MSGTR_MPDEMUX_AUDIOIN_ErrReadingAudio, snd_strerror(ret)); - if (ret == -EPIPE) { - if (ai_alsa_xrun(ai) == 0) { - mp_msg(MSGT_TV, MSGL_ERR, MSGTR_MPDEMUX_AUDIOIN_XRUNSomeFramesMayBeLeftOut); - } else { - mp_msg(MSGT_TV, MSGL_ERR, MSGTR_MPDEMUX_AUDIOIN_ErrFatalCannotRecover); - } - } - } else { - mp_msg(MSGT_TV, MSGL_ERR, MSGTR_MPDEMUX_AUDIOIN_NotEnoughSamples); - } - return -1; - } - return ret; -#endif -#ifdef USE_OSS_AUDIO - case AUDIO_IN_OSS: - ret = read(ai->oss.audio_fd, buffer, ai->blocksize); - if (ret != ai->blocksize) { - if (ret < 0) { - mp_msg(MSGT_TV, MSGL_ERR, MSGTR_MPDEMUX_AUDIOIN_ErrReadingAudio, strerror(errno)); - } else { - mp_msg(MSGT_TV, MSGL_ERR, MSGTR_MPDEMUX_AUDIOIN_NotEnoughSamples); - } - return -1; - } - return ret; -#endif - default: - return -1; - } -} |