demux_wav.c File Reference

#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <xine/xine_internal.h>
#include <xine/xineutils.h>
#include <xine/demux.h>
#include <xine/buffer.h>
#include "bswap.h"
#include "group_audio.h"

Data Structures
struct	demux_wav_t

Macros
#define	WAV_SIGNATURE_SIZE   12
#define	data_TAG   0x61746164
#define	fmt_TAG   0x20746D66
#define	PCM_BLOCK_ALIGN   1024
#define	PREFERED_BLOCK_SIZE   4096

Functions
static int	demux_wav_get_stream_length (demux_plugin_t *this_gen)
static int	find_chunk_by_tag (demux_wav_t *this, const uint32_t given_chunk_tag, uint32_t *found_chunk_size, off_t *found_chunk_pos)
static int	probe_wav_file (input_plugin_t *input)
static int	open_wav_file (demux_wav_t *this)
static int	demux_wav_send_chunk (demux_plugin_t *this_gen)
static void	demux_wav_send_headers (demux_plugin_t *this_gen)
static int	demux_wav_seek (demux_plugin_t *this_gen, off_t start_pos, int start_time, int playing)
static void	demux_wav_dispose (demux_plugin_t *this_gen)
static int	demux_wav_get_status (demux_plugin_t *this_gen)
static uint32_t	demux_wav_get_capabilities (demux_plugin_t *this_gen)
static int	demux_wav_get_optional_data (demux_plugin_t *this_gen, void *data, int data_type)
static demux_plugin_t *	open_plugin (demux_class_t *class_gen, xine_stream_t *stream, input_plugin_t *input)
void *	demux_wav_init_plugin (xine_t *xine, const void *data)

Macro Definition Documentation

data_TAG

#define data_TAG   0x61746164

fmt_TAG

#define fmt_TAG   0x20746D66

PCM_BLOCK_ALIGN

#define PCM_BLOCK_ALIGN   1024

PREFERED_BLOCK_SIZE

#define PREFERED_BLOCK_SIZE   4096

WAV_SIGNATURE_SIZE

#define WAV_SIGNATURE_SIZE   12

Function Documentation

demux_wav_dispose()

static void demux_wav_dispose ( demux_plugin_t *  this_gen )

static

References _x_freep().

Referenced by open_plugin().

demux_wav_get_capabilities()

static uint32_t demux_wav_get_capabilities ( demux_plugin_t *  this_gen )

static

References DEMUX_CAP_NOCAP.

Referenced by open_plugin().

demux_wav_get_optional_data()

static int demux_wav_get_optional_data ( demux_plugin_t *  this_gen, void *  data, int  data_type  )

static

References DEMUX_OPTIONAL_UNSUPPORTED.

Referenced by open_plugin().

demux_wav_get_status()

static int demux_wav_get_status ( demux_plugin_t *  this_gen )

static

Referenced by open_plugin().

demux_wav_get_stream_length()

static int demux_wav_get_stream_length ( demux_plugin_t *  this_gen )

static

Referenced by demux_wav_seek(), and open_plugin().

demux_wav_init_plugin()

void* demux_wav_init_plugin	(	xine_t *	xine,
		const void *	data
	)

References N_, NULL, demux_class_s::open_plugin, and open_plugin().

demux_wav_seek()

static int demux_wav_seek ( demux_plugin_t *  this_gen, off_t  start_pos, int  start_time, int  playing  )

static

References _x_demux_flush_engine(), DEMUX_FINISHED, DEMUX_OK, demux_wav_get_stream_length(), input(), and INPUT_IS_SEEKABLE.

Referenced by open_plugin().

demux_wav_send_chunk()

static int demux_wav_send_chunk ( demux_plugin_t *  this_gen )

static

References _x_demux_control_newpts(), BUF_FLAG_FRAME_END, buf_element_s::content, buf_element_s::decoder_flags, DEMUX_FINISHED, buf_element_s::extra_info, buf_element_s::free_buffer, input(), extra_info_s::input_normpos, extra_info_s::input_time, buf_element_s::max_size, NULL, PREFERED_BLOCK_SIZE, buf_element_s::pts, buf_element_s::size, and buf_element_s::type.

Referenced by open_plugin().

demux_wav_send_headers()

static void demux_wav_send_headers ( demux_plugin_t *  this_gen )

static

References _x_demux_control_start(), _x_stream_info_set(), BUF_FLAG_FRAME_END, BUF_FLAG_HEADER, BUF_FLAG_STDHEADER, buf_element_s::content, buf_element_s::decoder_flags, buf_element_s::decoder_info, DEMUX_OK, buf_element_s::size, buf_element_s::type, XINE_STREAM_INFO_AUDIO_BITS, XINE_STREAM_INFO_AUDIO_CHANNELS, XINE_STREAM_INFO_AUDIO_SAMPLERATE, XINE_STREAM_INFO_HAS_AUDIO, and XINE_STREAM_INFO_HAS_VIDEO.

Referenced by open_plugin().

find_chunk_by_tag()

static int find_chunk_by_tag ( demux_wav_t *  this, const uint32_t  given_chunk_tag, uint32_t *  found_chunk_size, off_t *  found_chunk_pos  )

static

References _X_LE_32, input(), and WAV_SIGNATURE_SIZE.

Referenced by open_wav_file().

open_plugin()

static demux_plugin_t* open_plugin ( demux_class_t *  class_gen, xine_stream_t *  stream, input_plugin_t *  input  )

static

References xine_stream_s::content_detection_method, DEMUX_FINISHED, demux_wav_dispose(), demux_wav_get_capabilities(), demux_wav_get_optional_data(), demux_wav_get_status(), demux_wav_get_stream_length(), demux_wav_seek(), demux_wav_send_chunk(), demux_wav_send_headers(), input(), METHOD_BY_CONTENT, METHOD_BY_MRL, METHOD_EXPLICIT, NULL, open_wav_file(), PCM_BLOCK_ALIGN, and probe_wav_file().

Referenced by demux_wav_init_plugin().

open_wav_file()

static int open_wav_file ( demux_wav_t *  this )

static

References _x_formattag_to_buf_audio(), _x_waveformatex_le2me(), BUF_AUDIO_UNKNOWN, data_TAG, find_chunk_by_tag(), fmt_TAG, input(), and NULL.

Referenced by open_plugin().

probe_wav_file()

static int probe_wav_file ( input_plugin_t *  input )

static

References _x_demux_read_header(), input(), and WAV_SIGNATURE_SIZE.

Referenced by open_plugin().