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65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/**
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* @file SequenceEncode.h
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* @author Devon Crawford
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* @date February 21, 2019
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* @brief File containing the definition and usage for SequenceEncode API:
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* These functions build ontop of SequenceDecode API to encode all frames
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* from a list of clips in a sequence
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*/
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#ifndef _SEQUENCE_ENCODE_
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#define _SEQUENCE_ENCODE_
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#include "SequenceDecode.h"
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#include "OutputContextStructs.h"
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/**
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* Read encodec packets from a sequence
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* This function builds ontop of sequence_read_frame() in SequenceDecode.c
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* @param oc OutputContext already allocated with codecs
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* @param seq_ts Sequence containing clips to encode
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* @param pkt output encoded packet
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* @return >= 0 on success, < 0 when reach EOF, end of clip boundary or error.
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*/
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int sequence_encode_frame(OutputContext *oc, Sequence *seq, AVPacket *pkt);
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/*************** EXAMPLE FUNCTIONS ***************/
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/**
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* Test example showing how to encode frames from sequence
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* @param seq Sequence to encode
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*/
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void example_sequence_encode_frames(OutputContext *oc, Sequence *seq);
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/*************** INTERNAL FUNCTIONS ***************/
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/**
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* Receive an encoded packet given an output stream, and handle the return value
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* @param oc OutputContext
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* @param os OutputStream within OutputContext (video or audio)
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* @param seq Sequence being encoded
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* @param pkt output encoded packet
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* @return >= 0 on success
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*/
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int seq_receive_enc_packet(OutputContext *oc, OutputStream *os, Sequence *seq, AVPacket *pkt);
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/**
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* Send a frame to encoder. This function builds ontop of seq_read_frame().
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* @param oc OutputContext already allocated
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* @param seq Sequence to encode
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* @param pkt packet output
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* @return >= 0 on success
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*/
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int seq_send_frame_to_encoder(OutputContext *oc, Sequence *seq, AVPacket *pkt);
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/**
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* Handle the return from avcodec_send_frame().
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* This function is to be used inside of seq_send_frame_to_encoder()
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* @param oc OutputContext already allocated
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* @param seq Sequence to encode
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* @param type AVMediaType of frame that was sent
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* @param ret return from avcodec_send_frame()
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* @param pkt output packet
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* @return >= 0 on success
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*/
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int seq_handle_send_frame(OutputContext *oc, Sequence *seq, enum AVMediaType type, int ret, AVPacket *pkt);
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#endif |