//pic_in是输入图像,pic_out是输出重构图像,pi_nal是编码返回的NAL单元个数,pp_nal是编码返回的NAL单元,这些单元在内存中是连续的。返回负值代表error,返回1表示输出一幅图像,返回0表示当前仍在编码不能输出或者编码器被flush过没有未输出帧了。
int x265_encoder_encode(x265_encoder *enc, x265_nal **pp_nal, uint32_t *pi_nal, x265_picture *pic_in, x265_picture *pic_out)
{
if (!enc)
return -1;
Encoder *encoder = static_cast<Encoder*>(enc);
int numEncoded;
// While flushing, we cannot return 0 until the entire stream is flushed
do
{
numEncoded = encoder->encode(pic_in, pic_out);
}
while ((numEncoded == 0 && !pic_in && encoder->m_numDelayedPic && !encoder->m_latestParam->forceFlush) && !encoder->m_externalFlush);
if (numEncoded)
encoder->m_externalFlush = false;
// do not allow reuse of these buffers for more than one picture. The
// encoder now owns these analysisData buffers.
if (pic_in)
{
pic_in->analysisData.wt = NULL;
pic_in->analysisData.intraData = NULL;
pic_in->analysisData.interData = NULL;
pic_in->analysisData.distortionData = NULL;
}
if (pp_nal && numEncoded > 0 && encoder->m_outputCount >= encoder->m_latestParam->chunkStart)
{
*pp_nal = &encoder->m_nalList.m_nal[0];
if (pi_nal) *pi_nal = encoder->m_nalList.m_numNal;
}
else if (pi_nal)
*pi_nal = 0;
if (numEncoded && encoder->m_param->csvLogLevel && encoder->m_outputCount >= encoder->m_latestParam->chunkStart)
x265_csvlog_frame(encoder->m_param, pic_out);
if (numEncoded < 0)
encoder->m_aborted = true;
return numEncoded;
}
x265_encoder_encode函数
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转载自blog.csdn.net/A199222/article/details/84998855
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