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#ifndef MPV_LAVC_H
#define MPV_LAVC_H
#include <stdbool.h>
#include <pthread.h>
#include <libavcodec/avcodec.h>
#include <libavutil/hwcontext.h>
#include "config.h"
#include "demux/stheader.h"
#include "video/mp_image.h"
#include "video/mp_image_pool.h"
#include "video/hwdec.h"
#define HWDEC_DELAY_QUEUE_COUNT 2
// Maximum number of surfaces the player wants to buffer.
// This number might require adjustment depending on whatever the player does;
// for example, if vo_opengl increases the number of reference surfaces for
// interpolation, this value has to be increased too.
#define HWDEC_EXTRA_SURFACES 6
struct mpv_global;
struct hwdec_info {
char name[64];
char method_name[16]; // non-unique name describing the hwdec method
const AVCodec *codec; // implemented by this codec
enum AVHWDeviceType lavc_device; // if not NONE, get a hwdevice
bool copying; // if true, outputs sw frames, or copy to sw ourselves
enum AVPixelFormat pix_fmt; // if not NONE, select in get_format
bool use_hw_frames; // set AVCodecContext.hw_frames_ctx
bool use_hw_device; // set AVCodecContext.hw_device_ctx
// for internal sorting
int auto_pos;
int rank;
};
typedef struct lavc_ctx {
struct mp_log *log;
struct MPOpts *opts;
AVCodecContext *avctx;
AVFrame *pic;
bool use_hwdec;
struct hwdec_info hwdec; // valid only if use_hwdec==true
AVRational codec_timebase;
enum AVDiscard skip_frame;
bool flushing;
const char *decoder;
bool hwdec_failed;
bool hwdec_notified;
bool intra_only;
int framedrop_flags;
bool hw_probing;
struct demux_packet **sent_packets;
int num_sent_packets;
struct demux_packet **requeue_packets;
int num_requeue_packets;
struct mp_image **delay_queue;
int num_delay_queue;
int max_delay_queue;
// From VO
struct mp_hwdec_devices *hwdec_devs;
// Wrapped AVHWDeviceContext* used for decoding.
AVBufferRef *hwdec_dev;
bool hwdec_request_reinit;
int hwdec_fail_count;
struct mp_image_pool *hwdec_swpool;
AVBufferRef *cached_hw_frames_ctx;
// --- The following fields are protected by dr_lock.
pthread_mutex_t dr_lock;
bool dr_failed;
struct mp_image_pool *dr_pool;
int dr_imgfmt, dr_w, dr_h, dr_stride_align;
} vd_ffmpeg_ctx;
#endif
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