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/**
* @file avcodec.h Video codecs using libavcodec -- internal API
*
* Copyright (C) 2010 Alfred E. Heggestad
*/
#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(52, 20, 100)
#define av_frame_alloc avcodec_alloc_frame
#endif
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(55, 63, 100)
#define avcodec_free_context(ctx) \
\
if (*(ctx)) { \
avcodec_close(*(ctx)); \
av_freep((ctx)); \
}
#endif
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(57, 37, 100)
#define av_packet_free(pkt) \
\
if (*(pkt)) { \
\
av_free_packet(*(pkt)); \
av_freep((pkt)); \
}
#endif
extern AVCodec *avcodec_h264enc;
extern AVCodec *avcodec_h264dec;
extern AVCodec *avcodec_h265enc;
extern AVCodec *avcodec_h265dec;
#if LIBAVUTIL_VERSION_MAJOR >= 56
extern AVBufferRef *avcodec_hw_device_ctx;
extern enum AVPixelFormat avcodec_hw_pix_fmt;
extern enum AVHWDeviceType avcodec_hw_type;
#endif
/*
* Encode
*/
struct videnc_state;
int avcodec_encode_update(struct videnc_state **vesp,
const struct vidcodec *vc,
struct videnc_param *prm, const char *fmtp,
videnc_packet_h *pkth, void *arg);
int avcodec_encode(struct videnc_state *st, bool update,
const struct vidframe *frame, uint64_t timestamp);
/*
* Decode
*/
struct viddec_state;
int avcodec_decode_update(struct viddec_state **vdsp,
const struct vidcodec *vc, const char *fmtp);
int avcodec_decode_h263(struct viddec_state *st, struct vidframe *frame,
bool *intra, bool eof, uint16_t seq, struct mbuf *src);
int avcodec_decode_h264(struct viddec_state *st, struct vidframe *frame,
bool *intra, bool eof, uint16_t seq, struct mbuf *src);
int avcodec_decode_h265(struct viddec_state *st, struct vidframe *frame,
bool *intra, bool eof, uint16_t seq, struct mbuf *src);
int avcodec_resolve_codecid(const char *s);
/*
* SDP
*/
uint32_t h264_packetization_mode(const char *fmtp);
int avcodec_h264_fmtp_enc(struct mbuf *mb, const struct sdp_format *fmt,
bool offer, void *arg);
bool avcodec_h264_fmtp_cmp(const char *lfmtp, const char *rfmtp, void *data);
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