mirror of https://github.com/mpv-player/mpv
101 lines
3.1 KiB
C
101 lines
3.1 KiB
C
#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"
|
|
|
|
#define HWDEC_DELAY_QUEUE_COUNT 2
|
|
|
|
typedef struct lavc_ctx {
|
|
struct mp_log *log;
|
|
struct MPOpts *opts;
|
|
AVCodecContext *avctx;
|
|
AVFrame *pic;
|
|
struct vd_lavc_hwdec *hwdec;
|
|
AVRational codec_timebase;
|
|
enum AVPixelFormat pix_fmt;
|
|
enum AVDiscard skip_frame;
|
|
bool flushing;
|
|
const char *decoder;
|
|
bool hwdec_failed;
|
|
bool hwdec_notified;
|
|
|
|
struct mp_image **delay_queue;
|
|
int num_delay_queue;
|
|
int max_delay_queue;
|
|
|
|
// From VO
|
|
struct mp_hwdec_devices *hwdec_devs;
|
|
|
|
// 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;
|
|
int hwdec_fail_count;
|
|
} 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;
|
|
// Always returns a non-hwaccel image format.
|
|
bool copying;
|
|
// Setting this will queue the given number of frames before calling
|
|
// process_image() or returning them to the renderer. This can increase
|
|
// efficiency by not blocking on the hardware pipeline by reading back
|
|
// immediately after decoding.
|
|
int delay_queue;
|
|
int (*probe)(struct lavc_ctx *ctx, struct vd_lavc_hwdec *hwdec,
|
|
const char *codec);
|
|
int (*init)(struct lavc_ctx *ctx);
|
|
int (*init_decoder)(struct lavc_ctx *ctx, 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 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, const char *codec);
|
|
// Suffix for libavcodec decoder. If non-NULL, get_codec() is overridden
|
|
// with hwdec_find_decoder.
|
|
// Intuitively, this will force the corresponding wrapper decoder.
|
|
const char *lavc_suffix;
|
|
};
|
|
|
|
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 *codec,
|
|
const struct hwdec_profile_entry *table);
|
|
int hwdec_get_max_refs(struct lavc_ctx *ctx);
|
|
|
|
const char *hwdec_find_decoder(const char *codec, const char *suffix);
|
|
|
|
#endif
|