Codec control lib functions. More...

#include <stdio.h> #include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/poll.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <codec_error.h>
#include <codec_type.h>
#include <codec.h>
#include <audio_priv.h>
#include "codec_h_ctrl.h"
#include <adec-external-ctrl.h>

Include dependency graph for codec_ctrl.c:

Go to the source code of this file.

Defines
#define	SUBTITLE_EVENT
#define	TS_PACKET_SIZE 188
#define	DEMUX_PLAYER_SOURCE 1
Functions
int	codec_init (codec_para_t *pcodec)
	codec_init Initialize the codec device based on stream type
void	codec_audio_basic_init (void)
int	codec_write (codec_para_t pcodec, void buffer, int len)
	codec_write Write data to codec device
int	codec_read (codec_para_t pcodec, void buffer, int len)
	codec_read Read data from codec device
int	codec_close (codec_para_t *pcodec)
	codec_close Close codec device
void	codec_close_audio (codec_para_t *pcodec)
	codec_close_audio Close audio decoder
void	codec_close_audio_async (codec_para_t *pcodec)
	codec_close_audio Close audio decoder
void	codec_resume_audio (codec_para_t *pcodec, unsigned int orig)
	codec_resume_audio Resume audio decoder to work (etc, after pause)
int	codec_checkin_pts (codec_para_t *pcodec, unsigned long pts)
	codec_checkin_pts Checkin pts to codec device
int	codec_get_vbuf_state (codec_para_t p, struct buf_status buf)
	codec_get_vbuf_state Get the state of video buffer by codec device
int	codec_get_abuf_state (codec_para_t p, struct buf_status buf)
	codec_get_abuf_state Get the state of audio buffer by codec device
int	codec_get_vdec_state (codec_para_t p, struct vdec_status vdec)
	codec_get_vdec_state Get the state of video decoder by codec device
int	codec_get_adec_state (codec_para_t p, struct adec_status adec)
	codec_get_adec_state Get the state of audio decoder by codec device
int	codec_pause (codec_para_t *p)
	codec_pause Pause all playing(A/V) by codec device
int	codec_resume (codec_para_t *p)
	codec_resume Resume playing(A/V) by codec device
int	codec_reset (codec_para_t *p)
	codec_reset Reset codec device
int	codec_init_sub (codec_para_t *pcodec)
	codec_init_sub Initialize subtile codec device
int	codec_open_sub_read (void)
	codec_open_sub_read Open read_subtitle device which is special for read subtile data
int	codec_close_sub (codec_para_t *pcodec)
	codec_close_sub Close subtile device
int	codec_close_sub_fd (CODEC_HANDLE sub_fd)
	codec_close_sub_fd Close subtile device by fd
int	codec_poll_sub (codec_para_t *pcodec)
	codec_poll_sub Polling subtile device if subtitle data is ready
int	codec_poll_sub_fd (CODEC_HANDLE sub_fd, int timeout)
	codec_poll_sub_fd Polling subtile device if subtitle data is ready by fd
int	codec_get_sub_size (codec_para_t *pcodec)
	codec_get_sub_size Get the size of subtitle data which is ready
int	codec_get_sub_size_fd (CODEC_HANDLE sub_fd)
	codec_get_sub_size_fd Get the size of subtitle data which is ready by fd
int	codec_read_sub_data (codec_para_t pcodec, char buf, unsigned int length)
	codec_read_sub_data Read subtitle data from codec device
int	codec_read_sub_data_fd (CODEC_HANDLE sub_fd, char *buf, unsigned int length)
	codec_read_sub_data_fd Read subtitle data from codec device by fd
int	codec_write_sub_data (codec_para_t pcodec, char buf, unsigned int length)
	codec_write_sub_data Write subtile data to subtitle device
int	codec_init_cntl (codec_para_t *pcodec)
	codec_init_cntl Initialize the video control device
int	codec_close_cntl (codec_para_t *pcodec)
	codec_close_cntl Close video control device
int	codec_poll_cntl (codec_para_t *pcodec)
	codec_poll_cntl Polling video control device
int	codec_get_cntl_state (codec_para_t *pcodec)
	codec_get_cntl_state Get the status of video control device, especially for trickmode
int	codec_set_cntl_mode (codec_para_t *pcodec, unsigned int mode)
	codec_set_cntl_mode Set the mode to video control device, especially for trickmode
int	codec_set_mode (codec_para_t *pcodec, unsigned int mode)
int	codec_set_cntl_avthresh (codec_para_t *pcodec, unsigned int avthresh)
	codec_set_cntl_avthresh Set the AV sync threshold which defines the max time difference between A/V
int	codec_set_cntl_syncthresh (codec_para_t *pcodec, unsigned int syncthresh)
	codec_set_cntl_syncthresh Set sync threshold control which defines the starting system time (hold video or not) when playing
int	codec_reset_audio (codec_para_t *pcodec)
	codec_reset_audio Reset audio decoder, especially for audio switch
int	codec_reset_subtile (codec_para_t *pcodec)
	codec_reset_subtile Reset subtitle device, especially for subtitle swith
int	codec_set_audio_pid (codec_para_t *pcodec)
	codec_set_audio_id Set audio pid by codec device
int	codec_set_sub_id (codec_para_t *pcodec)
	codec_set_sub_id Set subtitle pid by codec device
int	codec_set_sub_type (codec_para_t *pcodec)
	codec_set_sub_type Set subtitle type by codec device
int	codec_audio_reinit (codec_para_t *pcodec)
	codec_audio_reinit Re-initialize audio codec
int	codec_set_dec_reset (codec_para_t *pcodec)
	codec_set_dec_reset Set decoder reset flag when reset
int	codec_audio_isready (codec_para_t *p)
	codec_audio_isready check audio finish init ok
int	codec_audio_get_nb_frames (codec_para_t *p)
	codec_audio_get_nb_frames get audiodsp decoded frame number
int	codec_get_apts (codec_para_t *pcodec)
	codec_get_apts get audio pts
int	codec_get_vpts (codec_para_t *pcodec)
	codec_get_vpts get video pts
int	codec_get_pcrscr (codec_para_t *pcodec)
	codec_get_pcrscr get system pcrscr
int	codec_set_pcrscr (codec_para_t *pcodec, int val)
	codec_set_pcrscr set system pcrscr
int	codec_set_syncenable (codec_para_t *pcodec, int enable)
	codec_set_syncenable enable or disable av sync
int	codec_set_sync_audio_discont (codec_para_t *pcodec, int discontinue)
	codec_set_sync_audio_discont set sync discontinue state
int	codec_set_sync_video_discont (codec_para_t *pcodec, int discontinue)
	codec_set_sync_video_discont set sync discontinue state
int	codec_get_sync_audio_discont (codec_para_t *pcodec)
	codec_get_sync_audio_discont get audio sync discontinue state
int	codec_get_sync_video_discont (codec_para_t *pcodec)
	codec_get_sync_video_discont get video sync discontinue state
unsigned long	codec_get_sync_audio_discont_diff (codec_para_t *pcodec)
	codec_get_sync_audio_discont_diff get audio sync discontinue state
unsigned long	codec_get_sync_video_discont_diff (codec_para_t *pcodec)
	codec_get_sync_video_discont_diff get audio sync discontinue state
int	codec_set_sync_audio_discont_diff (codec_para_t *pcodec, unsigned long discontinue_diff)
	codec_set_sync_audio_discont_diff set sync discontinue diff
int	codec_set_sync_video_discont_diff (codec_para_t *pcodec, unsigned long discontinue_diff)
	codec_set_sync_video_discont_diff set sync discontinue diff
int	codec_get_sub_num (codec_para_t *pcodec)
	codec_get_sub_num get the number of subtitle
int	codec_get_sub_info (codec_para_t pcodec, subtitle_info_t sub_info)
	codec_get_sub_info get subtitle information
int	codec_set_av_threshold (codec_para_t *pcodec, int threshold)
int	codec_get_freerun_mode (codec_para_t *pcodec)
	codec_get_freerun_mode Get the mode of video freerun
int	codec_set_freerun_mode (codec_para_t *pcodec, unsigned int mode)
	codec_set_freerun_mode Set the mode to video freerun
int	codec_init_audio_utils (codec_para_t *pcodec)
	codec_init_audio_utils Initialize the audio utils device
int	codec_release_audio_utils (codec_para_t *pcodec)
	codec_release_audio_utils Release the audio utils device
int	codec_set_audio_resample_ena (codec_para_t *pcodec, unsigned long mode)
	codec_set_audio_resample_ena Set audio resample
int	codec_get_audio_resample_ena (codec_para_t *pcodec)
	codec_set_audio_resample_ena Set audio resample enable
int	codec_set_audio_resample_type (codec_para_t *pcodec, unsigned long type)
	codec_set_audio_resample_type Set audio resample type
int	codec_set_video_delay_limited_ms (codec_para_t *pcodec, int delay_ms)
	codec_set_video_delay_limited_ms Set video buffer max delayed,if> settings,write may wait& again,
int	codec_get_video_delay_limited_ms (codec_para_t pcodec, int delay_ms)
	codec_get_video_delay_limited_ms Set video buffer max delayed,if> settings,write may wait& again,
int	codec_set_audio_delay_limited_ms (codec_para_t *pcodec, int delay_ms)
	codec_set_video_delay_limited_ms Set video buffer max delayed,if> settings,write may wait& again,
int	codec_get_audio_delay_limited_ms (codec_para_t pcodec, int delay_ms)
	codec_get_audio_delay_limited_ms get video buffer max delayed,if> settings,write may wait& again,
int	codec_get_audio_cur_delay_ms (codec_para_t pcodec, int delay_ms)
	codec_get_audio_cur_delay_ms get current audio delay ms
int	codec_get_video_cur_delay_ms (codec_para_t pcodec, int delay_ms)
	codec_get_video_cur_delay_ms get video current delay ms
int	codec_get_video_cur_bitrate (codec_para_t pcodec, int bitrate)
	codec_get_audio_cur_delay_ms get vido latest bitrate.
int	codec_get_audio_cur_bitrate (codec_para_t pcodec, int bitrate)
	codec_get_audio_cur_bitrate get audio latest bitrate.
int	codec_set_vsync_upint (codec_para_t *pcodec, unsigned int mode)
	codec_set_vsync_upint Set the mode to video freerun
int	codec_set_drmmode (codec_para_t *pcodec, unsigned int setval)
int	codec_get_last_checkout_apts (codec_para_t pcodec, unsigned long apts)
int	codec_get_last_checkin_apts (codec_para_t pcodec, unsigned long apts)
int	codec_get_pcm_level (codec_para_t pcodec, unsigned int level)
	codec_get_pcm_level get the PCM data in buffer between DSP and output
int	codec_set_skip_bytes (codec_para_t *pcodec, unsigned int bytes)
int	codec_get_dsp_apts (codec_para_t pcodec, unsigned int apts)
int	codec_get_cntl_vpts (codec_para_t *pcodec)
	codec_get_cntl_vpts Get the vpts in trickmode
int	codec_disalbe_slowsync (codec_para_t *pcodec, int disable_slowsync)
	codec_disalbe_slowsync Set the slowsync disable or enable

Detailed Description

Codec control lib functions.

Author:: Zhou Zhi <[email protected]>

Version:: 1.0.0

Date:: 2011-02-24

Definition in file codec_ctrl.c.

Function Documentation

int codec_audio_get_nb_frames ( codec_para_t * p )

codec_audio_get_nb_frames get audiodsp decoded frame number

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: n decoded frames number, or return 0

Definition at line 1641 of file codec_ctrl.c.

int codec_audio_isready ( codec_para_t * p )

codec_audio_isready check audio finish init ok

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 1 for ready, or not ready if = 0

Definition at line 1618 of file codec_ctrl.c.

int codec_audio_reinit ( codec_para_t * pcodec )

codec_audio_reinit Re-initialize audio codec

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 1585 of file codec_ctrl.c.

int codec_checkin_pts	(	codec_para_t *	pcodec,
		unsigned long	pts
	)

codec_checkin_pts Checkin pts to codec device

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	pts	Pts to be checked in

Returns:: 0 for success, or fail type

Definition at line 900 of file codec_ctrl.c.

int codec_close ( codec_para_t * pcodec )

codec_close Close codec device

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 782 of file codec_ctrl.c.

Referenced by codec_reset().

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void codec_close_audio ( codec_para_t * pcodec )

codec_close_audio Close audio decoder

Parameters:

[in] pcodec Pointer of codec parameter structure

Definition at line 808 of file codec_ctrl.c.

void codec_close_audio_async ( codec_para_t * pcodec )

codec_close_audio Close audio decoder

Parameters:

[in] pcodec Pointer of codec parameter structure

Definition at line 824 of file codec_ctrl.c.

int codec_close_cntl ( codec_para_t * pcodec )

codec_close_cntl Close video control device

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 1394 of file codec_ctrl.c.

Referenced by codec_close().

int codec_close_sub ( codec_para_t * pcodec )

codec_close_sub Close subtile device

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 1143 of file codec_ctrl.c.

int codec_close_sub_fd ( CODEC_HANDLE sub_fd )

codec_close_sub_fd Close subtile device by fd

Parameters:

[in] sub_fd subtile device fd

Returns:: 0 for success, or fail type if < 0

Definition at line 1164 of file codec_ctrl.c.

Referenced by codec_close().

int codec_disalbe_slowsync	(	codec_para_t *	pcodec,
		int	disable_slowsync
	)

codec_disalbe_slowsync Set the slowsync disable or enable

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	disalbe_slowsync	disable slowsync or not

Returns:: 0 or fail error type

Definition at line 2352 of file codec_ctrl.c.

int codec_get_abuf_state	(	codec_para_t *	p,
		struct buf_status *	buf
	)

codec_get_abuf_state Get the state of audio buffer by codec device

Parameters:

[in]	p	Pointer of codec parameter structure
[out]	buf	Pointer of buffer status structure to get audio buffer state

Returns:: Success or fail type

Definition at line 934 of file codec_ctrl.c.

int codec_get_adec_state	(	codec_para_t *	p,
		struct adec_status *	adec
	)

codec_get_adec_state Get the state of audio decoder by codec device

Parameters:

[in]	p	Pointer of codec parameter structure
[out]	adec	Pointer of audio decoder status structure

Returns:: Success or fail type

Definition at line 975 of file codec_ctrl.c.

int codec_get_apts ( codec_para_t * pcodec )

codec_get_apts get audio pts

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: audio pts, or -1 if it failed

Definition at line 1665 of file codec_ctrl.c.

int codec_get_audio_cur_bitrate	(	codec_para_t *	pcodec,
		int *	bitrate
	)

codec_get_audio_cur_bitrate get audio latest bitrate.

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 2255 of file codec_ctrl.c.

int codec_get_audio_cur_delay_ms	(	codec_para_t *	pcodec,
		int *	delay_ms
	)

codec_get_audio_cur_delay_ms get current audio delay ms

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 2196 of file codec_ctrl.c.

int codec_get_audio_delay_limited_ms	(	codec_para_t *	pcodec,
		int *	delay_ms
	)

codec_get_audio_delay_limited_ms get video buffer max delayed,if> settings,write may wait& again,

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 2182 of file codec_ctrl.c.

int codec_get_audio_resample_ena ( codec_para_t * pcodec )

codec_set_audio_resample_ena Set audio resample enable

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 2105 of file codec_ctrl.c.

int codec_get_cntl_state ( codec_para_t * pcodec )

codec_get_cntl_state Get the status of video control device, especially for trickmode

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Video control device status or fail error type

Definition at line 1439 of file codec_ctrl.c.

int codec_get_cntl_vpts ( codec_para_t * pcodec )

codec_get_cntl_vpts Get the vpts in trickmode

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Video pts or fail error type

Definition at line 2325 of file codec_ctrl.c.

int codec_get_freerun_mode ( codec_para_t * pcodec )

codec_get_freerun_mode Get the mode of video freerun

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Video free run mode or fail error type

Definition at line 2005 of file codec_ctrl.c.

int codec_get_pcm_level	(	codec_para_t *	pcodec,
		unsigned int *	level
	)

codec_get_pcm_level get the PCM data in buffer between DSP and output

Parameters:

[in]	pcodec	Pointer of codec parameter structre
[in]	level	Address to store "level"

Returns:: 0 for success, or fail type if<0

Definition at line 2301 of file codec_ctrl.c.

int codec_get_pcrscr ( codec_para_t * pcodec )

codec_get_pcrscr get system pcrscr

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: system pcrscr, or -1 it failed

Definition at line 1721 of file codec_ctrl.c.

int codec_get_sub_info	(	codec_para_t *	pcodec,
		subtitle_info_t *	sub_info
	)

codec_get_sub_info get subtitle information

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[out]	sub_info	Pointer of subtitle_info_t to save the subtitle information

Returns:: 0 for success, or fail type if < 0

Definition at line 1959 of file codec_ctrl.c.

int codec_get_sub_num ( codec_para_t * pcodec )

codec_get_sub_num get the number of subtitle

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: the number of subtitle, or fail if < 0

Definition at line 1937 of file codec_ctrl.c.

int codec_get_sub_size ( codec_para_t * pcodec )

codec_get_sub_size Get the size of subtitle data which is ready

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Subtile ready data size, or fail error type if < 0

Definition at line 1230 of file codec_ctrl.c.

int codec_get_sub_size_fd ( CODEC_HANDLE sub_fd )

codec_get_sub_size_fd Get the size of subtitle data which is ready by fd

Parameters:

[in] sub_fd Subtitle device fd

Returns:: Subtile ready data size, or fail error type if < 0

Definition at line 1256 of file codec_ctrl.c.

int codec_get_sync_audio_discont ( codec_para_t * pcodec )

codec_get_sync_audio_discont get audio sync discontinue state

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: discontiue state, or fail if < 0

Definition at line 1823 of file codec_ctrl.c.

unsigned long codec_get_sync_audio_discont_diff ( codec_para_t * pcodec )

codec_get_sync_audio_discont_diff get audio sync discontinue state

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: discontiue diff, or fail if < 0

Definition at line 1865 of file codec_ctrl.c.

int codec_get_sync_video_discont ( codec_para_t * pcodec )

codec_get_sync_video_discont get video sync discontinue state

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: discontiue state, or fail if < 0

Definition at line 1844 of file codec_ctrl.c.

unsigned long codec_get_sync_video_discont_diff ( codec_para_t * pcodec )

codec_get_sync_video_discont_diff get audio sync discontinue state

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: discontiue diff, or fail if < 0

Definition at line 1886 of file codec_ctrl.c.

int codec_get_vbuf_state	(	codec_para_t *	p,
		struct buf_status *	buf
	)

codec_get_vbuf_state Get the state of video buffer by codec device

Parameters:

[in]	p	Pointer of codec parameter structure
[out]	buf	Pointer of buffer status structure to get video buffer state

Returns:: Success or fail type

Definition at line 916 of file codec_ctrl.c.

int codec_get_vdec_state	(	codec_para_t *	p,
		struct vdec_status *	vdec
	)

codec_get_vdec_state Get the state of video decoder by codec device

Parameters:

[in]	p	Pointer of codec parameter structure
[out]	vdec	Pointer of video decoder status structure

Returns:: Success or fail type

Definition at line 953 of file codec_ctrl.c.

int codec_get_video_cur_bitrate	(	codec_para_t *	pcodec,
		int *	bitrate
	)

codec_get_audio_cur_delay_ms get vido latest bitrate.

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 2240 of file codec_ctrl.c.

int codec_get_video_cur_delay_ms	(	codec_para_t *	pcodec,
		int *	delay_ms
	)

codec_get_video_cur_delay_ms get video current delay ms

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 2226 of file codec_ctrl.c.

int codec_get_video_delay_limited_ms	(	codec_para_t *	pcodec,
		int *	delay_ms
	)

codec_get_video_delay_limited_ms Set video buffer max delayed,if> settings,write may wait& again,

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 2153 of file codec_ctrl.c.

int codec_get_vpts ( codec_para_t * pcodec )

codec_get_vpts get video pts

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: video pts, or -1 if it failed

Definition at line 1693 of file codec_ctrl.c.

int codec_init ( codec_para_t * pcodec )

codec_init Initialize the codec device based on stream type

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 640 of file codec_ctrl.c.

Referenced by codec_reset().

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int codec_init_audio_utils ( codec_para_t * pcodec )

codec_init_audio_utils Initialize the audio utils device

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 2046 of file codec_ctrl.c.

int codec_init_cntl ( codec_para_t * pcodec )

codec_init_cntl Initialize the video control device

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 1369 of file codec_ctrl.c.

Referenced by codec_init().

int codec_init_sub ( codec_para_t * pcodec )

codec_init_sub Initialize subtile codec device

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 1099 of file codec_ctrl.c.

int codec_open_sub_read ( void )

codec_open_sub_read Open read_subtitle device which is special for read subtile data

Returns:: Device handler, or error type if < 0

Definition at line 1121 of file codec_ctrl.c.

int codec_pause ( codec_para_t * p )

codec_pause Pause all playing(A/V) by codec device

Parameters:

[in] p Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 1027 of file codec_ctrl.c.

int codec_poll_cntl ( codec_para_t * pcodec )

codec_poll_cntl Polling video control device

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Polling results

Definition at line 1416 of file codec_ctrl.c.

int codec_poll_sub ( codec_para_t * pcodec )

codec_poll_sub Polling subtile device if subtitle data is ready

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Polling result

Definition at line 1183 of file codec_ctrl.c.

int codec_poll_sub_fd	(	CODEC_HANDLE	sub_fd,
		int	timeout
	)

codec_poll_sub_fd Polling subtile device if subtitle data is ready by fd

Parameters:

[in]	sub_fd	Subtitle device fd
[in]	timeout	Timeout for polling

Returns:: Polling result

Definition at line 1207 of file codec_ctrl.c.

int codec_read	(	codec_para_t *	pcodec,
		void *	buffer,
		int	len
	)

codec_read Read data from codec device

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[out]	buffer	Buffer for data read from codec device
[in]	len	Length of the data to be read

Returns:: Length of the read data, or fail if < 0

Definition at line 768 of file codec_ctrl.c.

int codec_read_sub_data	(	codec_para_t *	pcodec,
		char *	buf,
		unsigned int	length
	)

codec_read_sub_data Read subtitle data from codec device

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[out]	buf	Buffer for data read from subtitle codec device
[in]	length	Data length to be read from subtitle codec device

Returns:: 0 for success, or fail type if < 0

Definition at line 1284 of file codec_ctrl.c.

int codec_read_sub_data_fd	(	CODEC_HANDLE	sub_fd,
		char *	buf,
		unsigned int	length
	)

codec_read_sub_data_fd Read subtitle data from codec device by fd

Parameters:

[in]	sub_fd	Subtitle device fd
[out]	buf	Buffer for data read from subtitle codec device
[in]	length	Data length to be read from subtile codec device

Returns:: 0 for success, or fail type if < 0

Definition at line 1317 of file codec_ctrl.c.

int codec_release_audio_utils ( codec_para_t * pcodec )

codec_release_audio_utils Release the audio utils device

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 2070 of file codec_ctrl.c.

int codec_reset ( codec_para_t * p )

codec_reset Reset codec device

Parameters:

[in] p Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 1078 of file codec_ctrl.c.

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int codec_reset_audio ( codec_para_t * pcodec )

codec_reset_audio Reset audio decoder, especially for audio switch

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 1515 of file codec_ctrl.c.

int codec_reset_subtile ( codec_para_t * pcodec )

codec_reset_subtile Reset subtitle device, especially for subtitle swith

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 1529 of file codec_ctrl.c.

int codec_resume ( codec_para_t * p )

codec_resume Resume playing(A/V) by codec device

Parameters:

[in] p Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 1052 of file codec_ctrl.c.

void codec_resume_audio	(	codec_para_t *	pcodec,
		unsigned int	orig
	)

codec_resume_audio Resume audio decoder to work (etc, after pause)

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	orig	Original audio status (has audio or not)

Definition at line 839 of file codec_ctrl.c.

int codec_set_audio_delay_limited_ms	(	codec_para_t *	pcodec,
		int	delay_ms
	)

codec_set_video_delay_limited_ms Set video buffer max delayed,if> settings,write may wait& again,

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 2168 of file codec_ctrl.c.

int codec_set_audio_pid ( codec_para_t * pcodec )

codec_set_audio_id Set audio pid by codec device

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 1543 of file codec_ctrl.c.

int codec_set_audio_resample_ena	(	codec_para_t *	pcodec,
		unsigned long	mode
	)

codec_set_audio_resample_ena Set audio resample

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 2091 of file codec_ctrl.c.

int codec_set_audio_resample_type	(	codec_para_t *	pcodec,
		unsigned long	type
	)

codec_set_audio_resample_type Set audio resample type

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: Success or fail error type

Definition at line 2126 of file codec_ctrl.c.

int codec_set_cntl_avthresh	(	codec_para_t *	pcodec,
		unsigned int	avthresh
	)

codec_set_cntl_avthresh Set the AV sync threshold which defines the max time difference between A/V

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	avthresh	Threshold to be set

Returns:: 0 for success, or fail type if < 0

Definition at line 1485 of file codec_ctrl.c.

int codec_set_cntl_mode	(	codec_para_t *	pcodec,
		unsigned int	mode
	)

codec_set_cntl_mode Set the mode to video control device, especially for trickmode

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	mode	Trick mode to be set

Returns:: 0 for success, or fail type if < 0

Definition at line 1466 of file codec_ctrl.c.

int codec_set_cntl_syncthresh	(	codec_para_t *	pcodec,
		unsigned int	syncthresh
	)

codec_set_cntl_syncthresh Set sync threshold control which defines the starting system time (hold video or not) when playing

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	syncthresh	Sync threshold control

Returns:: 0 for success, or fail type if < 0

Definition at line 1501 of file codec_ctrl.c.

int codec_set_dec_reset ( codec_para_t * pcodec )

codec_set_dec_reset Set decoder reset flag when reset

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 1604 of file codec_ctrl.c.

int codec_set_freerun_mode	(	codec_para_t *	pcodec,
		unsigned int	mode
	)

codec_set_freerun_mode Set the mode to video freerun

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	mode	Freerun mode to be set

Returns:: 0 for success, or fail type if < 0

Definition at line 2032 of file codec_ctrl.c.

int codec_set_pcrscr	(	codec_para_t *	pcodec,
		int	val
	)

codec_set_pcrscr set system pcrscr

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	val	system pcrscr value

Returns:: 0 is success , or -1 failed.

Definition at line 1750 of file codec_ctrl.c.

int codec_set_sub_id ( codec_para_t * pcodec )

codec_set_sub_id Set subtitle pid by codec device

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 1557 of file codec_ctrl.c.

int codec_set_sub_type ( codec_para_t * pcodec )

codec_set_sub_type Set subtitle type by codec device

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 1571 of file codec_ctrl.c.

int codec_set_sync_audio_discont	(	codec_para_t *	pcodec,
		int	discontinue
	)

codec_set_sync_audio_discont set sync discontinue state

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	discontinue	Discontinue state to be set

Returns:: 0 for success, or fail type if < 0

Definition at line 1794 of file codec_ctrl.c.

int codec_set_sync_audio_discont_diff	(	codec_para_t *	pcodec,
		unsigned long	discontinue_diff
	)

codec_set_sync_audio_discont_diff set sync discontinue diff

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	discontinue_diff	Discontinue diff to be set

Returns:: 0 for success, or fail type if < 0

Definition at line 1908 of file codec_ctrl.c.

int codec_set_sync_video_discont	(	codec_para_t *	pcodec,
		int	discontinue
	)

codec_set_sync_video_discont set sync discontinue state

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	discontinue	Discontinue state to be set

Returns:: 0 for success, or fail type if < 0

Definition at line 1809 of file codec_ctrl.c.

int codec_set_sync_video_discont_diff	(	codec_para_t *	pcodec,
		unsigned long	discontinue_diff
	)

codec_set_sync_video_discont_diff set sync discontinue diff

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	discontinue_diff	Discontinue diff to be set

Returns:: 0 for success, or fail type if < 0

Definition at line 1923 of file codec_ctrl.c.

int codec_set_syncenable	(	codec_para_t *	pcodec,
		int	enable
	)

codec_set_syncenable enable or disable av sync

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	enable	Enable or disable to be set

Returns:: 0 for success, or fail type if < 0

Definition at line 1779 of file codec_ctrl.c.

int codec_set_video_delay_limited_ms	(	codec_para_t *	pcodec,
		int	delay_ms
	)

codec_set_video_delay_limited_ms Set video buffer max delayed,if> settings,write may wait& again,

Parameters:

[in] pcodec Pointer of codec parameter structure

Returns:: 0 for success, or fail type if < 0

Definition at line 2140 of file codec_ctrl.c.

int codec_set_vsync_upint	(	codec_para_t *	pcodec,
		unsigned int	mode
	)

codec_set_vsync_upint Set the mode to video freerun

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	mode	vsync upint mode to be set

Returns:: 0 for success, or fail type if < 0

Definition at line 2270 of file codec_ctrl.c.

int codec_write	(	codec_para_t *	pcodec,
		void *	buffer,
		int	len
	)

codec_write Write data to codec device

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	buffer	Buffer for data to be written
[in]	len	Length of the data to be written

Returns:: Length of the written data, or fail if < 0

Definition at line 752 of file codec_ctrl.c.

int codec_write_sub_data	(	codec_para_t *	pcodec,
		char *	buf,
		unsigned int	length
	)

codec_write_sub_data Write subtile data to subtitle device

Parameters:

[in]	pcodec	Pointer of codec parameter structure
[in]	buf	Buffer for data to be written
[in]	length	Length of the dat to be written

Returns:: Write length, or fail type if < 0

Definition at line 1350 of file codec_ctrl.c.

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