ffv1.c File Reference

FF Video Codec 1 (a lossless codec) More...

#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "ffv1.h"
#include "libavutil/refstruct.h"

Go to the source code of this file.

Functions
av_cold int	ff_ffv1_common_init (AVCodecContext *avctx, FFV1Context *s)
static void	planes_free (AVRefStructOpaque opaque, void *obj)
PlaneContext *	ff_ffv1_planes_alloc (void)
av_cold int	ff_ffv1_init_slice_state (const FFV1Context *f, FFV1SliceContext *sc)
av_cold int	ff_ffv1_init_slices_state (FFV1Context *f)
int	ff_need_new_slices (int width, int num_h_slices, int chroma_shift)
int	ff_slice_coord (const FFV1Context *f, int width, int sx, int num_h_slices, int chroma_shift)
	This is intended for both width and height.
av_cold int	ff_ffv1_init_slice_contexts (FFV1Context *f)
int	ff_ffv1_allocate_initial_states (FFV1Context *f)
void	ff_ffv1_clear_slice_state (const FFV1Context *f, FFV1SliceContext *sc)
void	ff_ffv1_compute_bits_per_plane (const FFV1Context *f, FFV1SliceContext *sc, int bits[4], int *offset, int mask[4], int bits_per_raw_sample)
int	ff_ffv1_get_symbol (RangeCoder *c, uint8_t *state, int is_signed)
av_cold void	ff_ffv1_close (FFV1Context *s)

Detailed Description

FF Video Codec 1 (a lossless codec)

Definition in file ffv1.c.

Function Documentation

ff_ffv1_common_init()

av_cold int ff_ffv1_common_init	(	AVCodecContext *	avctx,
		FFV1Context *	s )

Definition at line 36 of file ffv1.c.

Referenced by decode_init(), encode_init_internal(), parse(), and vulkan_encode_ffv1_init().

planes_free()

static void planes_free ( AVRefStructOpaque opaque, void * obj )

static

Definition at line 54 of file ffv1.c.

Referenced by ff_ffv1_planes_alloc().

ff_ffv1_planes_alloc()

PlaneContext * ff_ffv1_planes_alloc

(

void

)

Definition at line 66 of file ffv1.c.

Referenced by ff_ffv1_init_slice_contexts(), and read_header().

ff_ffv1_init_slice_state()

av_cold int ff_ffv1_init_slice_state	(	const FFV1Context *	f,
		FFV1SliceContext *	sc )

Definition at line 72 of file ffv1.c.

Referenced by decode_slice(), and ff_ffv1_init_slices_state().

ff_ffv1_init_slices_state()

av_cold int ff_ffv1_init_slices_state

(

FFV1Context *

f

)

Definition at line 110 of file ffv1.c.

Referenced by encode_init_internal().

ff_need_new_slices()

int ff_need_new_slices	(	int	width,
		int	num_h_slices,
		int	chroma_shift )

Definition at line 120 of file ffv1.c.

Referenced by ff_ffv1_encode_determine_slices().

ff_slice_coord()

int ff_slice_coord	(	const FFV1Context *	f,
		int	width,
		int	sx,
		int	num_h_slices,
		int	chroma_shift )

This is intended for both width and height.

Definition at line 127 of file ffv1.c.

Referenced by decode_slice_header(), and ff_ffv1_init_slice_contexts().

ff_ffv1_init_slice_contexts()

av_cold int ff_ffv1_init_slice_contexts

(

FFV1Context *

f

)

Definition at line 142 of file ffv1.c.

Referenced by decode_init(), and encode_init_internal().

ff_ffv1_allocate_initial_states()

int ff_ffv1_allocate_initial_states

(

FFV1Context *

f

)

Definition at line 185 of file ffv1.c.

Referenced by ff_ffv1_encode_init(), and ff_ffv1_read_extra_header().

ff_ffv1_clear_slice_state()

void ff_ffv1_clear_slice_state	(	const FFV1Context *	f,
		FFV1SliceContext *	sc )

Definition at line 200 of file ffv1.c.

Referenced by decode_slice(), encode_slice(), and encode_slice_header().

ff_ffv1_compute_bits_per_plane()

void ff_ffv1_compute_bits_per_plane	(	const FFV1Context *	f,
		FFV1SliceContext *	sc,
		int	bits[4],
		int *	offset,
		int	mask[4],
		int	bits_per_raw_sample )

Definition at line 224 of file ffv1.c.

Referenced by decode_bayer_frame(), decode_rgb_frame_TMPL(), encode_bayer_frame(), encode_float32_rgb_frame(), and encode_rgb_frame_TMPL().

ff_ffv1_get_symbol()

int ff_ffv1_get_symbol	(	RangeCoder *	c,
		uint8_t *	state,
		int	is_signed )

Definition at line 263 of file ffv1.c.

Referenced by decode_current_mul(), decode_remap(), decode_slice_header(), ff_ffv1_parse_header(), ff_ffv1_read_extra_header(), read_header(), and read_quant_table().

ff_ffv1_close()

av_cold void ff_ffv1_close

(

FFV1Context *

s

)

Definition at line 268 of file ffv1.c.

Referenced by encode_close(), ffv1_close(), and ffv1_decode_close().