audio.c File Reference

Include dependency graph for audio.c:


Functions

static void audio_timer_start (encoder_t *p_encoder)
static void audio_timer_stop (encoder_t *p_encoder)
static void audio_timer_close (encoder_t *p_encoder)
static block_t * transcode_audio_alloc (filter_t *p_filter, int size)
static aout_buffer_t * audio_new_buffer (decoder_t *p_dec, int i_samples)
static void audio_del_buffer (decoder_t *p_dec, aout_buffer_t *p_buffer)
static int transcode_audio_filter_allocation_init (filter_t *p_filter, void *data)
static bool transcode_audio_filter_needed (const es_format_t *p_fmt1, const es_format_t *p_fmt2)
static int transcode_audio_filter_chain_build (sout_stream_t *p_stream, filter_chain_t *p_chain, const es_format_t *p_dst, const es_format_t *p_src)
int transcode_audio_new (sout_stream_t *p_stream, sout_stream_id_t *id)
void transcode_audio_close (sout_stream_id_t *id)
int transcode_audio_process (sout_stream_t *p_stream, sout_stream_id_t *id, block_t *in, block_t **out)
bool transcode_audio_add (sout_stream_t *p_stream, es_format_t *p_fmt, sout_stream_id_t *id)

Variables

static const int pi_channels_maps [6]

Function Documentation

static void audio_del_buffer ( decoder_t *  p_dec,
aout_buffer_t *  p_buffer 
) [static]

References block_Release(), and VLC_UNUSED.

Referenced by transcode_audio_new().

static aout_buffer_t* audio_new_buffer ( decoder_t *  p_dec,
int  i_samples 
) [static]

References es_format_t::audio, block_New, decoder_t::fmt_out, audio_format_t::i_bitspersample, audio_format_t::i_bytes_per_frame, audio_format_t::i_channels, audio_format_t::i_frame_length, and block_t::i_nb_samples.

Referenced by transcode_audio_new().

static void audio_timer_close ( encoder_t *  p_encoder  )  [inline, static]

References STATS_TIMER_AUDIO_FRAME_ENCODING, stats_TimerClean, and stats_TimerDump.

Referenced by transcode_audio_close().

static void audio_timer_start ( encoder_t *  p_encoder  )  [inline, static]

References STATS_TIMER_AUDIO_FRAME_ENCODING, and stats_TimerStart.

Referenced by transcode_audio_process().

static void audio_timer_stop ( encoder_t *  p_encoder  )  [inline, static]

References STATS_TIMER_AUDIO_FRAME_ENCODING, and stats_TimerStop.

Referenced by transcode_audio_process().

bool transcode_audio_add ( sout_stream_t *  p_stream,
es_format_t *  p_fmt,
sout_stream_id_t *  id 
)

References __MIN, es_format_t::audio, date_Init(), decoder_t::fmt_in, encoder_t::fmt_out, sout_stream_sys_t::i_abitrate, sout_stream_sys_t::i_acodec, audio_format_t::i_bitspersample, audio_format_t::i_channels, sout_stream_sys_t::i_channels, es_format_t::i_codec, audio_format_t::i_rate, sout_stream_sys_t::i_sample_rate, sout_stream_id_t::id, sout_stream_id_t::interpolated_pts, msg_Dbg, msg_Err, sout_stream_id_t::p_decoder, sout_stream_id_t::p_encoder, sout_stream_t::p_next, sout_stream_t::p_sys, p_sys, pi_channels_maps, sout_StreamIdAdd(), transcode_audio_close(), and transcode_audio_new().

Referenced by Add().

static block_t* transcode_audio_alloc ( filter_t *  p_filter,
int  size 
) [static]

References block_Alloc(), and VLC_UNUSED.

Referenced by transcode_audio_filter_allocation_init().

void transcode_audio_close ( sout_stream_id_t *  id  ) 

References audio_timer_close(), filter_chain_Delete(), module_unneed, sout_stream_id_t::p_decoder, decoder_t::p_description, sout_stream_id_t::p_encoder, sout_stream_id_t::p_f_chain, encoder_t::p_module, decoder_t::p_module, sout_stream_id_t::p_uf_chain, and vlc_meta_Delete().

Referenced by Del(), transcode_audio_add(), and transcode_audio_new().

static int transcode_audio_filter_allocation_init ( filter_t *  p_filter,
void *  data 
) [static]

References transcode_audio_alloc(), VLC_SUCCESS, and VLC_UNUSED.

Referenced by transcode_audio_new().

static int transcode_audio_filter_chain_build ( sout_stream_t *  p_stream,
filter_chain_t *  p_chain,
const es_format_t *  p_dst,
const es_format_t *  p_src 
) [static]

References aout_FormatPrepare(), es_format_t::audio, filter_chain_AppendFilter(), filter_chain_GetFmtOut(), audio_format_t::i_channels, es_format_t::i_codec, audio_format_t::i_format, audio_format_t::i_original_channels, audio_format_t::i_physical_channels, audio_format_t::i_rate, msg_Dbg, msg_Err, pi_channels_maps, transcode_audio_filter_needed(), VLC_CODEC_FL32, VLC_EGENERIC, and VLC_SUCCESS.

Referenced by transcode_audio_new().

static bool transcode_audio_filter_needed ( const es_format_t *  p_fmt1,
const es_format_t *  p_fmt2 
) [static]

References es_format_t::audio, audio_format_t::i_channels, es_format_t::i_codec, and audio_format_t::i_rate.

Referenced by transcode_audio_filter_chain_build().

int transcode_audio_new ( sout_stream_t *  p_stream,
sout_stream_id_t *  id 
)

References aout_BitsPerSample(), es_format_t::audio, audio_del_buffer(), AUDIO_ES, audio_new_buffer(), es_format_Init(), filter_chain_AppendFromString(), filter_chain_GetFmtOut(), filter_chain_New, filter_chain_Reset(), encoder_t::fmt_in, decoder_t::fmt_in, encoder_t::fmt_out, decoder_t::fmt_out, sout_stream_sys_t::i_acodec, es_format_t::i_cat, audio_format_t::i_channels, es_format_t::i_codec, es_format_t::i_extra, audio_format_t::i_format, audio_format_t::i_rate, module_need, module_unneed, msg_Err, sout_stream_sys_t::p_audio_cfg, sout_stream_id_t::p_decoder, sout_stream_sys_t::p_decoder, sout_stream_id_t::p_encoder, sout_stream_id_t::p_f_chain, encoder_t::p_module, decoder_t::p_module, sout_stream_t::p_sys, p_sys, sout_stream_id_t::p_uf_chain, sout_stream_sys_t::psz_aenc, sout_stream_sys_t::psz_af, transcode_audio_close(), transcode_audio_filter_allocation_init(), transcode_audio_filter_chain_build(), VLC_CODEC_FL32, VLC_CODEC_MP4A, VLC_EGENERIC, vlc_fourcc_GetCodec(), and VLC_SUCCESS.

Referenced by transcode_audio_add().

int transcode_audio_process ( sout_stream_t *  p_stream,
sout_stream_id_t *  id,
block_t *  in,
block_t **  out 
)

References audio_timer_start(), audio_timer_stop(), sout_stream_sys_t::b_master_sync, block_ChainAppend(), block_Release(), date_Get(), date_Increment(), date_Set(), filter_chain_AudioFilter(), block_t::i_dts, sout_stream_sys_t::i_master_drift, block_t::i_nb_samples, block_t::i_pts, sout_stream_id_t::interpolated_pts, MASTER_SYNC_MAX_DRIFT, msg_Dbg, sout_stream_id_t::p_decoder, sout_stream_id_t::p_encoder, sout_stream_id_t::p_f_chain, sout_stream_t::p_sout, sout_stream_t::p_sys, p_sys, sout_stream_id_t::p_uf_chain, decoder_t::pf_decode_audio, SOUT_STATISTIC_DECODED_AUDIO, sout_UpdateStatistic(), and VLC_SUCCESS.

Referenced by Send().

Variable Documentation

const int pi_channels_maps[6] [static]

Initial value:

{
    0,
     0x1 ,    0x2  |  0x4 ,
     0x1  |  0x2  |  0x4 ,
     0x2  |  0x4  |  0x20 
     |  0x40 ,
     0x2  |  0x4  |  0x1 
     |  0x20  |  0x40 
}

Generated on Tue May 25 08:05:33 2010 for VLC by  doxygen 1.5.6