Feature: update learning group

pull/221/head
xufuji456 2 years ago
parent ea4087d622
commit e4728c351f
  1. 86
      Live/src/main/cpp/VideoStream.cpp
  2. BIN
      picture/ffmpeg_group.png

@ -77,49 +77,6 @@ void VideoStream::setVideoCallback(VideoCallback callback) {
this->videoCallback = callback;
}
void VideoStream::encodeVideo(int8_t *data, int camera_type) {
std::lock_guard<std::mutex> l(m_mutex);
if (!pic_in)
return;
if (camera_type == 1) {
memcpy(pic_in->img.plane[0], data, m_frameLen); // y
for (int i = 0; i < m_frameLen/4; ++i) {
*(pic_in->img.plane[1] + i) = *(data + m_frameLen + i * 2 + 1); // u
*(pic_in->img.plane[2] + i) = *(data + m_frameLen + i * 2); // v
}
} else if (camera_type == 2) {
int offset = 0;
memcpy(pic_in->img.plane[0], data, (size_t) m_frameLen); // y
offset += m_frameLen;
memcpy(pic_in->img.plane[1], data + offset, (size_t) m_frameLen / 4); // u
offset += m_frameLen / 4;
memcpy(pic_in->img.plane[2], data + offset, (size_t) m_frameLen / 4); // v
} else {
return;
}
x264_nal_t *pp_nal;
int pi_nal;
x264_picture_t pic_out;
x264_encoder_encode(videoCodec, &pp_nal, &pi_nal, pic_in, &pic_out);
int pps_len, sps_len = 0;
uint8_t sps[100];
uint8_t pps[100];
for (int i = 0; i < pi_nal; ++i) {
if (pp_nal[i].i_type == NAL_SPS) {
sps_len = pp_nal[i].i_payload - 4;
memcpy(sps, pp_nal[i].p_payload + 4, static_cast<size_t>(sps_len));
} else if (pp_nal[i].i_type == NAL_PPS) {
pps_len = pp_nal[i].i_payload - 4;
memcpy(pps, pp_nal[i].p_payload + 4, static_cast<size_t>(pps_len));
sendSpsPps(sps, pps, sps_len, pps_len);
} else {
sendFrame(pp_nal[i].i_type, pp_nal[i].p_payload, pp_nal[i].i_payload);
}
}
}
void VideoStream::sendSpsPps(uint8_t *sps, uint8_t *pps, int sps_len, int pps_len) {
int bodySize = 13 + sps_len + 3 + pps_len;
auto *packet = new RTMPPacket();
@ -205,6 +162,49 @@ void VideoStream::sendFrame(int type, uint8_t *payload, int i_payload) {
videoCallback(packet);
}
void VideoStream::encodeVideo(int8_t *data, int camera_type) {
std::lock_guard<std::mutex> l(m_mutex);
if (!pic_in)
return;
if (camera_type == 1) {
memcpy(pic_in->img.plane[0], data, m_frameLen); // y
for (int i = 0; i < m_frameLen/4; ++i) {
*(pic_in->img.plane[1] + i) = *(data + m_frameLen + i * 2 + 1); // u
*(pic_in->img.plane[2] + i) = *(data + m_frameLen + i * 2); // v
}
} else if (camera_type == 2) {
int offset = 0;
memcpy(pic_in->img.plane[0], data, (size_t) m_frameLen); // y
offset += m_frameLen;
memcpy(pic_in->img.plane[1], data + offset, (size_t) m_frameLen / 4); // u
offset += m_frameLen / 4;
memcpy(pic_in->img.plane[2], data + offset, (size_t) m_frameLen / 4); // v
} else {
return;
}
x264_nal_t *pp_nal;
int pi_nal;
x264_picture_t pic_out;
x264_encoder_encode(videoCodec, &pp_nal, &pi_nal, pic_in, &pic_out);
int pps_len, sps_len = 0;
uint8_t sps[100];
uint8_t pps[100];
for (int i = 0; i < pi_nal; ++i) {
if (pp_nal[i].i_type == NAL_SPS) {
sps_len = pp_nal[i].i_payload - 4;
memcpy(sps, pp_nal[i].p_payload + 4, static_cast<size_t>(sps_len));
} else if (pp_nal[i].i_type == NAL_PPS) {
pps_len = pp_nal[i].i_payload - 4;
memcpy(pps, pp_nal[i].p_payload + 4, static_cast<size_t>(pps_len));
sendSpsPps(sps, pps, sps_len, pps_len);
} else {
sendFrame(pp_nal[i].i_type, pp_nal[i].p_payload, pp_nal[i].i_payload);
}
}
}
VideoStream::~VideoStream() {
if (videoCodec) {
x264_encoder_close(videoCodec);

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