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#ifndef MPV_LAVC_H
#define MPV_LAVC_H
#include <stdbool.h>
#include <libavcodec/avcodec.h>
#include "demux/stheader.h"
#include "video/mp_image.h"
#include "video/hwdec.h"
typedef struct lavc_ctx {
struct mp_log *log;
struct MPOpts *opts;
AVCodecContext *avctx;
AVFrame *pic;
struct vd_lavc_hwdec *hwdec;
enum AVPixelFormat pix_fmt;
int best_csp;
enum AVDiscard skip_frame;
const char *software_fallback_decoder;
bool hwdec_failed;
// From VO
struct mp_hwdec_info *hwdec_info;
// For free use by hwdec implementation
void *hwdec_priv;
int hwdec_fmt;
int hwdec_w;
int hwdec_h;
int hwdec_profile;
bool hwdec_request_reinit;
} vd_ffmpeg_ctx;
struct vd_lavc_hwdec {
enum hwdec_type type;
// If not-0: the IMGFMT_ format that should be accepted in the libavcodec
// get_format callback.
int image_format;
int (*probe)(struct vd_lavc_hwdec *hwdec, struct mp_hwdec_info *info,
const char *decoder);
int (*init)(struct lavc_ctx *ctx);
int (*init_decoder)(struct lavc_ctx *ctx, int fmt, int w, int h);
void (*uninit)(struct lavc_ctx *ctx);
// Note: if init_decoder is set, this will always use the values from the
// last successful init_decoder call. Otherwise, it's up to you.
struct mp_image *(*allocate_image)(struct lavc_ctx *ctx, int fmt,
int w, int h);
// Process the image returned by the libavcodec decoder.
struct mp_image *(*process_image)(struct lavc_ctx *ctx, struct mp_image *img);
// For horrible Intel shit-drivers only
void (*lock)(struct lavc_ctx *ctx);
void (*unlock)(struct lavc_ctx *ctx);
// Optional; if a special hardware decoder is needed (instead of "hwaccel").
const char *(*get_codec)(struct lavc_ctx *ctx);
};
enum {
HWDEC_ERR_NO_CTX = -2,
HWDEC_ERR_NO_CODEC = -3,
HWDEC_ERR_EMULATED = -4, // probing successful, but emulated API detected
};
struct hwdec_profile_entry {
enum AVCodecID av_codec;
int ff_profile;
uint64_t hw_profile;
};
const struct hwdec_profile_entry *hwdec_find_profile(
struct lavc_ctx *ctx, const struct hwdec_profile_entry *table);
bool hwdec_check_codec_support(const char *decoder,
const struct hwdec_profile_entry *table);
int hwdec_get_max_refs(struct lavc_ctx *ctx);
#endif
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