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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"
// keep in sync with --hwdec option
enum hwdec_type {
HWDEC_AUTO = -1,
HWDEC_NONE = 0,
HWDEC_VDPAU = 1,
HWDEC_VDA = 2,
HWDEC_CRYSTALHD = 3,
HWDEC_VAAPI = 4,
HWDEC_VAAPI_COPY = 5,
};
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 do_hw_dr1;
int best_csp;
enum AVDiscard skip_frame;
const char *software_fallback_decoder;
// 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;
// Legacy
bool do_dr1;
struct FramePool *dr1_buffer_pool;
struct mp_image_pool *non_dr1_pool;
} vd_ffmpeg_ctx;
struct vd_lavc_hwdec {
enum hwdec_type type;
// If non-NULL: lists pairs software and hardware decoders. If the current
// codec is not one of the listed software decoders, probing fails.
// Otherwise, the AVCodecContext is initialized with the associated
// hardware decoder.
// Useful only if hw decoding requires a special codec, instead of using
// the libavcodec hwaccel infrastructure.
const char **codec_pairs;
// If not-NULL: a 0 terminated list of IMGFMT_ formats, and only one of
// these formats is accepted in the libavcodec get_format callback.
const int *image_formats;
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);
};
enum {
HWDEC_ERR_NO_CTX = -2,
HWDEC_ERR_NO_CODEC = -3,
};
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);
// lavc_dr1.c
int mp_codec_get_buffer(AVCodecContext *s, AVFrame *frame);
void mp_codec_release_buffer(AVCodecContext *s, AVFrame *frame);
struct FrameBuffer;
void mp_buffer_ref(struct FrameBuffer *buffer);
void mp_buffer_unref(struct FrameBuffer *buffer);
bool mp_buffer_is_unique(struct FrameBuffer *buffer);
void mp_buffer_pool_free(struct FramePool **pool);
bool mp_buffer_check(struct FrameBuffer *buffer);
#endif
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