mirror of
https://github.com/mpv-player/mpv
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3ec7f528c4
All this code was needed for compatibility with very old libavcodec versions only (such as Libav 9). Includes some now-possible simplifications too.
82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
#ifndef MPV_LAVC_H
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#define MPV_LAVC_H
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#include <stdbool.h>
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#include <libavcodec/avcodec.h>
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#include "demux/stheader.h"
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#include "video/mp_image.h"
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#include "video/hwdec.h"
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// keep in sync with --hwdec option
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enum hwdec_type {
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HWDEC_AUTO = -1,
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HWDEC_NONE = 0,
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HWDEC_VDPAU = 1,
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HWDEC_VDA = 2,
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HWDEC_CRYSTALHD = 3,
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HWDEC_VAAPI = 4,
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HWDEC_VAAPI_COPY = 5,
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};
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typedef struct lavc_ctx {
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struct mp_log *log;
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struct MPOpts *opts;
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AVCodecContext *avctx;
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AVFrame *pic;
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struct vd_lavc_hwdec *hwdec;
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enum AVPixelFormat pix_fmt;
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int do_hw_dr1;
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int best_csp;
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enum AVDiscard skip_frame;
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const char *software_fallback_decoder;
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// From VO
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struct mp_hwdec_info *hwdec_info;
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// For free use by hwdec implementation
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void *hwdec_priv;
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int hwdec_fmt;
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int hwdec_w;
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int hwdec_h;
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} vd_ffmpeg_ctx;
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struct vd_lavc_hwdec {
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enum hwdec_type type;
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// If not-0: the IMGFMT_ format that should be accepted in the libavcodec
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// get_format callback.
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int image_format;
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int (*probe)(struct vd_lavc_hwdec *hwdec, struct mp_hwdec_info *info,
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const char *decoder);
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int (*init)(struct lavc_ctx *ctx);
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int (*init_decoder)(struct lavc_ctx *ctx, int fmt, int w, int h);
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void (*uninit)(struct lavc_ctx *ctx);
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// Note: if init_decoder is set, this will always use the values from the
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// last successful init_decoder call. Otherwise, it's up to you.
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struct mp_image *(*allocate_image)(struct lavc_ctx *ctx, int fmt,
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int w, int h);
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// Process the image returned by the libavcodec decoder.
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struct mp_image *(*process_image)(struct lavc_ctx *ctx, struct mp_image *img);
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};
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enum {
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HWDEC_ERR_NO_CTX = -2,
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HWDEC_ERR_NO_CODEC = -3,
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};
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struct hwdec_profile_entry {
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enum AVCodecID av_codec;
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int ff_profile;
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uint64_t hw_profile;
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};
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const struct hwdec_profile_entry *hwdec_find_profile(
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struct lavc_ctx *ctx, const struct hwdec_profile_entry *table);
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bool hwdec_check_codec_support(const char *decoder,
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const struct hwdec_profile_entry *table);
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int hwdec_get_max_refs(struct lavc_ctx *ctx);
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#endif
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