vlc_codec.h File Reference

Decoder and encoder modules interface. More...

Include dependency graph for vlc_codec.h:

Go to the source code of this file.

Data Structures
struct	decoder_owner_callbacks
struct	decoder_t
struct	decoder_cc_desc_t
struct	encoder_owner_callbacks
struct	vlc_encoder_operations
struct	encoder_t
struct	vlc_decoder_device_operations
struct	vlc_decoder_device
	Decoder context struct. More...

Macros
#define	VLCDEC_SUCCESS   VLC_SUCCESS
#define	VLCDEC_ECRITICAL   VLC_EGENERIC
#define	VLCDEC_RELOAD   (-100)
#define	set_callback_dec_device(activate, priority)

Typedefs
typedef struct decoder_cc_desc_t	decoder_cc_desc_t
typedef struct vlc_decoder_device	vlc_decoder_device
	Decoder context struct.
typedef int(*	vlc_decoder_device_Open) (vlc_decoder_device *device, vlc_window_t *window)
	"decoder device" module open entry point

Enumerations
enum	vlc_decoder_device_type {   VLC_DECODER_DEVICE_VAAPI , VLC_DECODER_DEVICE_VDPAU , VLC_DECODER_DEVICE_DXVA2 , VLC_DECODER_DEVICE_D3D11VA ,   VLC_DECODER_DEVICE_VIDEOTOOLBOX , VLC_DECODER_DEVICE_AWINDOW , VLC_DECODER_DEVICE_NVDEC , VLC_DECODER_DEVICE_MMAL ,   VLC_DECODER_DEVICE_GSTDECODE }
	Decoder device type. More...

Functions
vlc_decoder_device *	vlc_encoder_GetDecoderDevice (encoder_t *)
	Creates/Updates the output decoder device.
void	vlc_encoder_Destroy (encoder_t *encoder)
static block_t *	vlc_encoder_EncodeVideo (encoder_t *encoder, picture_t *pic)
static block_t *	vlc_encoder_EncodeAudio (encoder_t *encoder, block_t *audio)
static block_t *	vlc_encoder_EncodeSub (encoder_t *encoder, subpicture_t *sub)
vlc_decoder_device *	vlc_decoder_device_Create (vlc_object_t *, vlc_window_t *window)
	Create a decoder device from a window.
vlc_decoder_device *	vlc_decoder_device_Hold (vlc_decoder_device *device)
	Hold a decoder device.
void	vlc_decoder_device_Release (vlc_decoder_device *device)
	Release a decoder device.
static vlc_decoder_device *	decoder_GetDecoderDevice (decoder_t *dec)
	Creates/Updates the output decoder device.
int	decoder_UpdateVideoOutput (decoder_t *dec, vlc_video_context *vctx_out)
	Creates/Updates the rest of the video output pipeline.
int	decoder_UpdateVideoFormat (decoder_t *dec)
	Updates the video output format.
picture_t *	decoder_NewPicture (decoder_t *dec)
	Allocates an output picture buffer.
void	decoder_Init (decoder_t *dec, es_format_t *fmt_in, const es_format_t *fmt)
	Initialize a decoder structure before creating the decoder.
void	decoder_Destroy (decoder_t *p_dec)
	Destroy a decoder and reset the structure.
void	decoder_Clean (decoder_t *p_dec)
	Unload a decoder module and reset the input/output formats.
static void	decoder_QueueVideo (decoder_t *dec, picture_t *p_pic)
	This function queues a single picture to the video output.
static void	decoder_QueueCc (decoder_t *dec, vlc_frame_t *p_cc, const decoder_cc_desc_t *p_desc)
	This function queues the Closed Captions.
static void	decoder_QueueAudio (decoder_t *dec, vlc_frame_t *p_aout_buf)
	This function queues a single audio block to the audio output.
static void	decoder_QueueSub (decoder_t *dec, subpicture_t *p_spu)
	This function queues a single subtitle to the video output.
static int	decoder_UpdateAudioFormat (decoder_t *dec)
	This function notifies the audio output pipeline of a new audio output format (fmt_out.audio).
vlc_frame_t *	decoder_NewAudioBuffer (decoder_t *, int i_nb_samples)
	This function will return a new audio buffer usable by a decoder as an output buffer.
static subpicture_t *	decoder_NewSubpicture (decoder_t *dec, const subpicture_updater_t *p_dyn)
	This function will return a new subpicture usable by a decoder as an output buffer.
static int	decoder_GetInputAttachments (decoder_t *dec, input_attachment_t ***ppp_attachment, int *pi_attachment)
	This function gives all input attachments at once.
static vlc_tick_t	decoder_GetDisplayDate (decoder_t *dec, vlc_tick_t system_now, vlc_tick_t i_ts)
	This function converts a decoder timestamp into a display date comparable to vlc_tick_now().
static float	decoder_GetDisplayRate (decoder_t *dec)
	This function returns the current input rate.

Detailed Description

Decoder and encoder modules interface.

Macro Definition Documentation

VLCDEC_ECRITICAL

#define VLCDEC_ECRITICAL   VLC_EGENERIC

VLCDEC_RELOAD

#define VLCDEC_RELOAD   (-100)

VLCDEC_SUCCESS

#define VLCDEC_SUCCESS   VLC_SUCCESS

Function Documentation

vlc_encoder_GetDecoderDevice()

vlc_decoder_device * vlc_encoder_GetDecoderDevice

(

encoder_t *

enc

)

Creates/Updates the output decoder device.

Note

This function is not reentrant.

Returns

the held decoder device, NULL if none should be used

Creates/Updates the output decoder device.

References encoder_t::cbs, encoder_t::fmt_in, encoder_owner_callbacks::get_device, es_format_t::i_cat, unlikely, encoder_owner_callbacks::video, VIDEO_ES, and vlc_assert.