frame.h File Reference

reference-counted frame API More...

#include <stddef.h>
#include <stdint.h>
#include "avutil.h"
#include "buffer.h"
#include "dict.h"
#include "rational.h"
#include "samplefmt.h"
#include "pixfmt.h"
#include "version.h"

Go to the source code of this file.

Data Structures
struct	AVFrameSideData
	Structure to hold side data for an AVFrame. More...
struct	AVFrame
	This structure describes decoded (raw) audio or video data. More...

Macros
#define	AV_NUM_DATA_POINTERS   8
#define	AV_FRAME_FLAG_CORRUPT   (1 << 0)
	The frame data may be corrupted, e.g. More...
#define	AV_FRAME_FLAG_DISCARD   (1 << 2)
	A flag to mark the frames which need to be decoded, but shouldn't be output. More...
#define	FF_DECODE_ERROR_INVALID_BITSTREAM   1
#define	FF_DECODE_ERROR_MISSING_REFERENCE   2

Enumerations
enum	AVFrameSideDataType {   AV_FRAME_DATA_PANSCAN, AV_FRAME_DATA_A53_CC, AV_FRAME_DATA_STEREO3D, AV_FRAME_DATA_MATRIXENCODING,   AV_FRAME_DATA_DOWNMIX_INFO, AV_FRAME_DATA_REPLAYGAIN, AV_FRAME_DATA_DISPLAYMATRIX, AV_FRAME_DATA_AFD,   AV_FRAME_DATA_MOTION_VECTORS, AV_FRAME_DATA_SKIP_SAMPLES, AV_FRAME_DATA_AUDIO_SERVICE_TYPE, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA,   AV_FRAME_DATA_GOP_TIMECODE, AV_FRAME_DATA_SPHERICAL, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL, AV_FRAME_DATA_ICC_PROFILE }
enum	AVActiveFormatDescription {   AV_AFD_SAME = 8, AV_AFD_4_3 = 9, AV_AFD_16_9 = 10, AV_AFD_14_9 = 11,   AV_AFD_4_3_SP_14_9 = 13, AV_AFD_16_9_SP_14_9 = 14, AV_AFD_SP_4_3 = 15 }
enum	{ AV_FRAME_CROP_UNALIGNED = 1 << 0 }
	Flags for frame cropping. More...

Functions
int64_t	av_frame_get_best_effort_timestamp (const AVFrame *frame)
	Accessors for some AVFrame fields. More...
void	av_frame_set_best_effort_timestamp (AVFrame *frame, int64_t val)
int64_t	av_frame_get_pkt_duration (const AVFrame *frame)
void	av_frame_set_pkt_duration (AVFrame *frame, int64_t val)
int64_t	av_frame_get_pkt_pos (const AVFrame *frame)
void	av_frame_set_pkt_pos (AVFrame *frame, int64_t val)
int64_t	av_frame_get_channel_layout (const AVFrame *frame)
void	av_frame_set_channel_layout (AVFrame *frame, int64_t val)
int	av_frame_get_channels (const AVFrame *frame)
void	av_frame_set_channels (AVFrame *frame, int val)
int	av_frame_get_sample_rate (const AVFrame *frame)
void	av_frame_set_sample_rate (AVFrame *frame, int val)
AVDictionary *	av_frame_get_metadata (const AVFrame *frame)
void	av_frame_set_metadata (AVFrame *frame, AVDictionary *val)
int	av_frame_get_decode_error_flags (const AVFrame *frame)
void	av_frame_set_decode_error_flags (AVFrame *frame, int val)
int	av_frame_get_pkt_size (const AVFrame *frame)
void	av_frame_set_pkt_size (AVFrame *frame, int val)
AVDictionary **	avpriv_frame_get_metadatap (AVFrame *frame)
int8_t *	av_frame_get_qp_table (AVFrame *f, int *stride, int *type)
int	av_frame_set_qp_table (AVFrame *f, AVBufferRef *buf, int stride, int type)
enum AVColorSpace	av_frame_get_colorspace (const AVFrame *frame)
void	av_frame_set_colorspace (AVFrame *frame, enum AVColorSpace val)
enum AVColorRange	av_frame_get_color_range (const AVFrame *frame)
void	av_frame_set_color_range (AVFrame *frame, enum AVColorRange val)
const char *	av_get_colorspace_name (enum AVColorSpace val)
	Get the name of a colorspace. More...
AVFrame *	av_frame_alloc (void)
	Allocate an AVFrame and set its fields to default values. More...
void	av_frame_free (AVFrame **frame)
	Free the frame and any dynamically allocated objects in it, e.g. More...
int	av_frame_ref (AVFrame *dst, const AVFrame *src)
	Set up a new reference to the data described by the source frame. More...
AVFrame *	av_frame_clone (const AVFrame *src)
	Create a new frame that references the same data as src. More...
void	av_frame_unref (AVFrame *frame)
	Unreference all the buffers referenced by frame and reset the frame fields. More...
void	av_frame_move_ref (AVFrame *dst, AVFrame *src)
	Move everything contained in src to dst and reset src. More...
int	av_frame_get_buffer (AVFrame *frame, int align)
	Allocate new buffer(s) for audio or video data. More...
int	av_frame_is_writable (AVFrame *frame)
	Check if the frame data is writable. More...
int	av_frame_make_writable (AVFrame *frame)
	Ensure that the frame data is writable, avoiding data copy if possible. More...
int	av_frame_copy (AVFrame *dst, const AVFrame *src)
	Copy the frame data from src to dst. More...
int	av_frame_copy_props (AVFrame *dst, const AVFrame *src)
	Copy only "metadata" fields from src to dst. More...
AVBufferRef *	av_frame_get_plane_buffer (AVFrame *frame, int plane)
	Get the buffer reference a given data plane is stored in. More...
AVFrameSideData *	av_frame_new_side_data (AVFrame *frame, enum AVFrameSideDataType type, int size)
	Add a new side data to a frame. More...
AVFrameSideData *	av_frame_get_side_data (const AVFrame *frame, enum AVFrameSideDataType type)
void	av_frame_remove_side_data (AVFrame *frame, enum AVFrameSideDataType type)
	If side data of the supplied type exists in the frame, free it and remove it from the frame. More...
int	av_frame_apply_cropping (AVFrame *frame, int flags)
	Crop the given video AVFrame according to its crop_left/crop_top/crop_right/ crop_bottom fields. More...
const char *	av_frame_side_data_name (enum AVFrameSideDataType type)

Detailed Description

reference-counted frame API

Definition in file frame.h.

Macro Definition Documentation

#define AV_NUM_DATA_POINTERS   8

Definition at line 202 of file frame.h.

Referenced by audio_get_buffer(), avcodec_align_dimensions(), avcodec_encode_audio2(), avcodec_fill_audio_frame(), create_cv_pixel_buffer(), decode_frame(), draw_slice(), ff_draw_horiz_band(), ff_frame_pool_get(), ff_framequeue_skip_samples(), ff_h264_draw_horiz_band(), frame_add_buf(), get_audio_buffer(), smvjpeg_decode_frame(), video_get_buffer(), and vp3_draw_horiz_band().

#define FF_DECODE_ERROR_INVALID_BITSTREAM   1

Definition at line 498 of file frame.h.

Referenced by ac3_decode_frame(), cpia_decode_frame(), decode_picture(), and ff_v4l2_buffer_buf_to_avframe().

#define FF_DECODE_ERROR_MISSING_REFERENCE   2

Definition at line 499 of file frame.h.