95 lines
4.4 KiB
C
95 lines
4.4 KiB
C
#ifndef PERSONAL_PLAYER_H
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#define PERSONAL_PLAYER_H
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#include <stdbool.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct Player Player;
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typedef enum PlayerStatus {
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PLAYER_EMPTY, PLAYER_OPENING, PLAYER_PAUSED, PLAYER_PLAYING,
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PLAYER_ENDED, PLAYER_ERROR
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} PlayerStatus;
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typedef struct PlayerState {
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PlayerStatus status;
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double position;
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double duration;
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// Contiguous retained/playable network range on the position timeline.
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// The start may include reusable rewind history; the end includes read-ahead.
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// Empty/unavailable (including local playback and pending seeks) is 0, 0.
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double buffered_start;
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double buffered_end;
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bool has_audio;
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bool has_video;
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// False for live/non-seekable inputs; reflects both inputs for separate streams.
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bool can_seek;
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// Network playback is waiting for media; the authoritative clock remains stalled.
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bool buffering;
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// True until all accepted seeks/frame steps on this timeline finish.
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bool seek_pending;
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// Display width / height, including sample aspect ratio; zero without video.
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double video_aspect_ratio;
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uint64_t revision;
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char error[512];
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} PlayerState;
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// Playback commands are asynchronous. False means invalid input or a full command queue.
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// Paths are copied before returning. All other calls require a live handle.
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Player *player_create(void);
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// Opt-in reporting must be initialized before opening media. Creates a new 0600
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// file exclusively; errors never change playback state. Error buffers hold 512 bytes.
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bool player_set_progress_file(Player *player, const char *path, char *error);
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// Register immutable queue destinations without changing current playback. Each path is new;
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// revisits append only to the original owned inode. Conflicting identities/paths are rejected.
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// Atomic batch: all registrations succeed or none do. Strings are copied before returning.
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bool player_register_progress_files(Player *player, const char *const *identities,
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const char *const *paths, int count, char *error);
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bool player_get_progress_error(Player *player, char *error);
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// Stops the worker and drains final reporting, allowing errors to be shown before
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// destroying the handle. Idempotent; do not call from an audio callback.
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bool player_shutdown(Player *player, char *progress_error);
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typedef struct PlayerNetworkSource {
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// Primary video or combined audio/video HTTP(S) URL; audio_url is optional.
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const char *video_url;
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const char *audio_url;
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// Optional HTTP headers encoded as "Name: value\r\n"; copied with the URLs.
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const char *video_headers;
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const char *audio_headers;
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double duration;
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bool is_live;
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// Original HTTP(S) video URL (canonical for YouTube), or stable
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// miruro:<base64url media_id>:<positive episode> identity, never an extracted CDN URL.
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// NULL/empty means no reporting for this source.
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const char *media_url;
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// Initial restored position, applied before publishing ready state. Zero
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// starts at the beginning; out-of-duration bookmarks also start at zero.
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double initial_position;
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} PlayerNetworkSource;
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bool player_open(Player *player, const char *path);
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// Streams directly; never downloads or muxes the entire media file before opening.
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bool player_open_network(Player *player, const PlayerNetworkSource *source);
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bool player_play(Player *player);
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bool player_pause(Player *player);
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bool player_seek(Player *player, double seconds);
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// Direction must be -1 (previous) or +1 (next). Requires ready video media.
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// Pauses playback and selects the adjacent decoded presentation frame.
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bool player_step_frame(Player *player, int direction);
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bool player_close(Player *player);
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// Receiver-confirmed Cast facts replace decoder facts in progress reporting until
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// the next open/close. The local decoder must be paused before submitting them.
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bool player_report_remote_state(Player *player, const PlayerState *state);
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// Synchronous, thread-safe gain; survives open, seek, and close. Zero mutes.
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// Rejects null handles and non-finite/out-of-range values without changing gain.
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bool player_set_volume(Player *player, float normalized0to1);
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// Returns the target gain immediately; zero for a null handle.
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float player_get_volume(Player *player);
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PlayerState player_get_state(Player *player);
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// Joins the worker and stops audio; never invoke from an audio callback.
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void player_destroy(Player *player);
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#ifdef __cplusplus
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}
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#endif
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#endif
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