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🎥 Command line media player
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C
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#ifndef MPLAYER_DEMUX_PACKET_H#define MPLAYER_DEMUX_PACKET_H
#include <stdbool.h>#include <stddef.h>#include <inttypes.h>
// Holds one packet/frame/whatevertypedef struct demux_packet { double pts; double dts; double duration; int64_t pos; // position in source file byte stream
union { // Normally valid for packets. struct { unsigned char *buffer; size_t len; };
// Used if is_cached==true, special uses only. struct { uint64_t pos; } cached_data; };
int stream; // source stream index (typically sh_stream.index)
bool keyframe;
// backward playback bool back_restart : 1; // restart point (reverse and return previous frames) bool back_preroll : 1; // initial discarded frame for smooth decoder reinit
// If true, cached_data is valid, while buffer/len are not. bool is_cached : 1;
// segmentation (ordered chapters, EDL) bool segmented; struct mp_codec_params *codec; // set to non-NULL iff segmented is set double start, end; // set to non-NOPTS iff segmented is set
// subtitles only int animated; // -1 is unknown bool seen; int seen_pos; double sub_duration;
// private struct demux_packet *next; struct AVPacket *avpacket; // keep the buffer allocation and sidedata uint64_t cum_pos; // demux.c internal: cumulative size until _start_ of pkt} demux_packet_t;
struct AVBufferRef;struct demux_packet_pool;
struct demux_packet *new_demux_packet(struct demux_packet_pool *pool, size_t len);struct demux_packet *new_demux_packet_from_avpacket(struct demux_packet_pool *pool, struct AVPacket *avpkt);struct demux_packet *new_demux_packet_from(struct demux_packet_pool *pool, void *data, size_t len);struct demux_packet *new_demux_packet_from_buf(struct demux_packet_pool *pool, struct AVBufferRef *buf);void demux_packet_shorten(struct demux_packet *dp, size_t len);void free_demux_packet(struct demux_packet *dp);struct demux_packet *demux_copy_packet(struct demux_packet_pool *pool, struct demux_packet *dp);size_t demux_packet_estimate_total_size(struct demux_packet *dp);
void demux_packet_copy_attribs(struct demux_packet *dst, struct demux_packet *src);
int demux_packet_set_padding(struct demux_packet *dp, int start, int end);int demux_packet_add_blockadditional(struct demux_packet *dp, uint64_t id, void *data, size_t size);
void demux_packet_unref_contents(struct demux_packet *dp);
#endif /* MPLAYER_DEMUX_PACKET_H */