mirror of
https://github.com/livepeer/lpms
synced 2026-04-22 15:57:25 +08:00
Ivan Tivonenko
f7f2491160
Adds a dedicated `transmuxing` mode in the transcode pipeline - useful to convert a bunch of mpegts segments from multiple sessions of a stream, to a single `.mp4` file.
77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
#ifndef _LPMS_TRANSCODER_H_
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#define _LPMS_TRANSCODER_H_
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#include <libavutil/hwcontext.h>
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#include <libavutil/rational.h>
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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// LPMS specific errors
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extern const int lpms_ERR_INPUT_PIXFMT;
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extern const int lpms_ERR_INPUT_CODEC;
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extern const int lpms_ERR_INPUT_NOKF;
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extern const int lpms_ERR_FILTERS;
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extern const int lpms_ERR_PACKET_ONLY;
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extern const int lpms_ERR_FILTER_FLUSHED;
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extern const int lpms_ERR_OUTPUTS;
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struct transcode_thread;
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typedef struct {
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char *name;
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AVDictionary *opts;
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} component_opts;
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typedef struct {
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char *fname;
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char *vfilters;
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int w, h, bitrate, gop_time;
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AVRational fps;
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component_opts muxer;
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component_opts audio;
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component_opts video;
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} output_params;
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typedef struct {
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char *fname;
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// Handle to a transcode thread.
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// If null, a new transcode thread is allocated.
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// The transcode thread is returned within `output_results`.
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// Must be freed with lpms_transcode_stop.
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struct transcode_thread *handle;
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// Optional hardware acceleration
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enum AVHWDeviceType hw_type;
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char *device;
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int transmuxe;
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} input_params;
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typedef struct {
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int frames;
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int64_t pixels;
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} output_results;
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enum LPMSLogLevel {
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LPMS_LOG_TRACE = AV_LOG_TRACE,
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LPMS_LOG_DEBUG = AV_LOG_DEBUG,
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LPMS_LOG_VERBOSE = AV_LOG_VERBOSE,
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LPMS_LOG_INFO = AV_LOG_INFO,
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LPMS_LOG_WARNING = AV_LOG_WARNING,
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LPMS_LOG_ERROR = AV_LOG_ERROR,
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LPMS_LOG_FATAL = AV_LOG_FATAL,
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LPMS_LOG_PANIC = AV_LOG_PANIC,
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LPMS_LOG_QUIET = AV_LOG_QUIET
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};
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void lpms_init(enum LPMSLogLevel max_level);
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int lpms_transcode(input_params *inp, output_params *params, output_results *results, int nb_outputs, output_results *decoded_results);
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struct transcode_thread* lpms_transcode_new();
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void lpms_transcode_stop(struct transcode_thread* handle);
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void lpms_transcode_discontinuity(struct transcode_thread *handle);
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#endif // _LPMS_TRANSCODER_H_
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