bool Init(VirtualSink* sink, AVCodec* avCodec, const char* sprops){
//if it has been initialized before, we should do cleanup first
Cleanup();
avCodecContext = avcodec_alloc_context();
if (!avCodecContext) {
//failed to allocate codec context
Cleanup();
return false;
}
uint8_t startCode[] = {0x00, 0x00, 0x01};
if(sprops != NULL){
unsigned spropCount;
SPropRecord* spropRecords = parseSPropParameterSets(sprops, spropCount);
try{
for (unsigned i = 0; i < spropCount; ++i) {
AddExtraData(startCode, sizeof(startCode));
AddExtraData(spropRecords[i].sPropBytes, spropRecords[i].sPropLength);
}
}catch(void*){
//extradata exceeds size limit
delete[] spropRecords;
Cleanup();
return false;
}
delete[] spropRecords;
avCodecContext->extradata = extraDataBuffer;
avCodecContext->extradata_size = extraDataSize;
}
AddExtraData(startCode, sizeof(startCode));
avCodecContext->flags = 0;
if (avcodec_open(avCodecContext, avCodec) < 0) {
//failed to open codec
Cleanup();
return false;
}
if (avCodecContext->codec_id == CODEC_ID_H264){
avCodecContext->flags2 |= CODEC_FLAG2_CHUNKS;
//avCodecContext->flags2 |= CODEC_FLAG2_SHOW_ALL;
}
avFrame = avcodec_alloc_frame();
if (!avFrame){
//failed to allocate frame
Cleanup();
return false;
}
return true;
}
inline int CBE_EnemyShip::GetNewExtraDataIndex()
{
size_t i, num_extra_data = m_vecExtraData.size();
for( i=0; i<num_extra_data; i++ )
{
if( !m_vecExtraData[i].m_bInUse )
return (int)i;
}
// add new extra data
AddExtraData();
return (int)num_extra_data;
}
