video_codec.h

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#ifndef __video_codec_h
#define __video_codec_h
 
#include "types.h" // codec_t
 
#ifndef __cplusplus
#include <stdbool.h>
#endif // !defined __cplusplus
 
#include "pixfmt_conv.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define MAX_BPS 8 /* for Y416 */  
#define MAX_PADDING 64 
#define MAX_PFB_SIZE   8 
#define PIX_BLOCK_LCM 24 
 
void             show_codec_help(const char *module, const codec_t *codecs8, const codec_t *codecs10, const codec_t *codecs_ge12);
int              get_bits_per_component(codec_t codec) __attribute__((const));
int              get_subsampling(codec_t codec) __attribute__((const));
double           get_bpp(codec_t codec) __attribute__((const));
uint32_t         get_fourcc(codec_t codec) __attribute__((const));
const char      *get_codec_name(codec_t codec) __attribute__((const));
const char      *get_codec_name_long(codec_t codec) __attribute__((const));
bool             is_codec_opaque(codec_t codec) __attribute__((const));
bool             is_codec_interframe(codec_t codec) __attribute__((const));
codec_t          get_codec_from_fcc(uint32_t fourcc) __attribute__((const));
codec_t          get_codec_from_name(const char *name) __attribute__((const));
const char      *get_codec_file_extension(codec_t codec) __attribute__((const));
codec_t          get_codec_from_file_extension(const char *ext) __attribute__((const));
 
struct pixfmt_desc get_pixfmt_desc(codec_t pixfmt);
int              compare_pixdesc(const struct pixfmt_desc *desc_a, const struct pixfmt_desc *desc_b, const struct pixfmt_desc *src_desc);
const char      *get_pixdesc_desc(struct pixfmt_desc);
void             watch_pixfmt_degrade(const char *mod_name, struct pixfmt_desc desc_src, struct pixfmt_desc desc_dst);
bool             pixdesc_equals(struct pixfmt_desc desc_a, struct pixfmt_desc desc_b);
 
int get_pf_block_bytes(codec_t codec) __attribute__((const));
int get_pf_block_pixels(codec_t codec) __attribute__((const));
int vc_get_linesize(unsigned int width, codec_t codec) __attribute__((const));
int vc_get_size(unsigned int width, codec_t codec) __attribute__((const));
size_t vc_get_datalen(unsigned int width, unsigned int height, codec_t codec) __attribute__((const));
void codec_get_planes_subsampling(codec_t pix_fmt, int *sub);
bool codec_is_420(codec_t pix_fmt);
bool codec_is_a_rgb(codec_t codec) __attribute__((const));
bool codec_is_in_set(codec_t codec, const codec_t *set) __attribute__((pure));
bool codec_is_const_size(codec_t codec) __attribute__((const));
bool codec_is_hw_accelerated(codec_t codec) __attribute__((const));
bool codec_is_planar(codec_t codec) __attribute__((const));
 
void vc_deinterlace(unsigned char *src, long src_linesize, int lines);
bool vc_deinterlace_ex(codec_t codec, unsigned char *src, size_t src_linesize, unsigned char *dst, size_t dst_pitch, size_t lines);
 
bool clear_video_buffer(unsigned char *data, size_t linesize, size_t pitch, size_t height, codec_t color_spec);
 
// conversions from/to planar formats
void uyvy_to_i422(int width, int height, const unsigned char *in,
                  unsigned char *out);
void y416_to_i444(int width, int height, const unsigned char *in,
                  unsigned char *out, int depth);
void i444_16_to_y416(int width, int height, const unsigned char *in,
                     unsigned char *out, int in_depth);
void i422_16_to_y416(int width, int height, const unsigned char *in,
                     unsigned char *out, int in_depth);
void i420_16_to_y416(int width, int height, const unsigned char *in,
                     unsigned char *out, int in_depth);
void i420_8_to_uyvy(int width, int height, const unsigned char *in,
                    unsigned char *out);
void i422_8_to_uyvy(int width, int height, const unsigned char *in,
                    unsigned char *out);
void i444_8_to_uyvy(int width, int height, const unsigned char *in,
                    unsigned char *out);
 
#ifdef __cplusplus
}
#endif
 
#endif