mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-11-14 08:30:58 +00:00
9aa275f996
Nearly all file write access now uses the FileWriter class, which is UTF-8-safe on all platforms - unlike stdio.
109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
#ifndef USE_OPENGL
|
|
# error "VP8 support requires OpenGL"
|
|
#endif
|
|
|
|
#ifndef ANIM_VPX_H
|
|
#define ANIM_VPX_H
|
|
|
|
#define VPX_CODEC_DISABLE_COMPAT 1
|
|
#ifndef ANIMVPX_STANDALONE
|
|
# undef UNUSED
|
|
# include <vpx/vpx_decoder.h>
|
|
//#include <vpx/vp8dx.h>
|
|
#endif
|
|
|
|
// IVF format: http://wiki.multimedia.cx/index.php?title=IVF
|
|
#pragma pack(push,1)
|
|
typedef struct
|
|
{
|
|
char magic[4];
|
|
uint16_t version;
|
|
uint16_t hdrlen;
|
|
|
|
char fourcc[4];
|
|
uint16_t width;
|
|
uint16_t height;
|
|
|
|
uint32_t fpsnumer;
|
|
uint32_t fpsdenom;
|
|
|
|
uint32_t numframes;
|
|
uint32_t unused_;
|
|
} animvpx_ivf_header_t;
|
|
#pragma pack(pop)
|
|
|
|
#ifndef ANIMVPX_STANDALONE
|
|
|
|
extern const char *animvpx_read_ivf_header_errmsg[7];
|
|
int32_t animvpx_read_ivf_header(FileReader & inhandle, animvpx_ivf_header_t *hdr);
|
|
|
|
typedef struct
|
|
{
|
|
const char *errmsg; // non-NULL if codec error? better always check...
|
|
const char *errmsg_detail; // may be NULL even if codec error
|
|
|
|
uint16_t width, height;
|
|
uint8_t *pic; // lines of [Y U V 0], calloc'ed on init
|
|
|
|
// VVV everything that follows should be considered private! VVV
|
|
|
|
FileReader *inhandle; // the kread() file handle
|
|
|
|
// state of this struct:
|
|
// 0: uninited (either not yet or already)
|
|
// 1: codec init OK
|
|
// -1: error while initing
|
|
// -2: error while uniniting
|
|
int32_t initstate;
|
|
|
|
// decoder state:
|
|
// 0: first time / begin
|
|
// 1: have more frames
|
|
// 2: reached EOF
|
|
// -1: unspecified error
|
|
// -2: decoder error
|
|
int32_t decstate;
|
|
|
|
uint32_t compbuflen;
|
|
uint32_t compbufallocsiz;
|
|
uint8_t *compbuf; // compressed data buffer (one IVF/VP8 frame)
|
|
|
|
vpx_codec_ctx_t codec;
|
|
vpx_codec_iter_t iter;
|
|
|
|
// statistics
|
|
int32_t numframes;
|
|
int32_t sumtimes[3];
|
|
int32_t maxtimes[3];
|
|
} animvpx_codec_ctx;
|
|
|
|
|
|
int32_t animvpx_init_codec(const animvpx_ivf_header_t *info, FileReader & inhandle, animvpx_codec_ctx *codec);
|
|
int32_t animvpx_uninit_codec(animvpx_codec_ctx *codec);
|
|
|
|
extern const char *animvpx_nextpic_errmsg[8];
|
|
int32_t animvpx_nextpic(animvpx_codec_ctx *codec, uint8_t **pic);
|
|
|
|
void animvpx_setup_glstate(int32_t animvpx_flags);
|
|
void animvpx_restore_glstate(void);
|
|
int32_t animvpx_render_frame(animvpx_codec_ctx *codec, double animvpx_aspect);
|
|
|
|
void animvpx_print_stats(const animvpx_codec_ctx *codec);
|
|
#endif
|
|
|
|
static inline int32_t animvpx_check_header(const animvpx_ivf_header_t *hdr)
|
|
{
|
|
if (Bmemcmp(hdr->magic,"DKIF",4))
|
|
return 2; // "not an IVF file"
|
|
|
|
if (hdr->version != 0)
|
|
return 3; // "unrecognized IVF version"
|
|
|
|
// fourcc is left as-is
|
|
if (Bmemcmp(hdr->fourcc, "VP80", 4))
|
|
return 4; // "only VP8 supported"
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif // !defined ANIM_VPX_H
|