char* rtmp_metadata_create(char* out, size_t len, int width, int height, int audio)
{
char* outend = out + len;
out = amf_encode_string(out, outend, "@setDataFrame");
out = amf_encode_string(out, outend, "onMetaData");
// AMF_Encode(AMFObject *obj, char *pBuffer, char *pBufEnd)
*out++ = AMF_OBJECT;
// out = amf_encode_name_value_string(out, outend, "author", "Suicam Technology (Beijing) Co., LTD.");
out = amf_encode_name_value_string(out, outend, "copyright", "Suicam Technology (Beijing) Co., LTD.");
// out = amf_encode_name_value_string(out, outend, "description", "Suicam live");
// out = amf_encode_name_value_string(out, outend, "keywords", "Suicam");
// out = amf_encode_name_value_string(out, outend, "rating", "");
// out = amf_encode_name_value_string(out, outend, "presetname", "");
if (width > 0 && height > 0)
{
//out = amf_encode_name_value_string(out, outend, "videocodecid", "AVC1"); // FLV VIDEODATA AVC/H.264
out = amf_encode_name_value_double(out, outend, "videocodecid", (double)7); // FLV VIDEODATA AVC/H.264
out = amf_encode_name_value_double(out, outend, "width", (double)width);
out = amf_encode_name_value_double(out, outend, "height", (double)height);
//out = amf_encode_name_value_double(out, outend, "framerate", 25.0);
//out = amf_encode_name_value_double(out, outend, "videodatarate", 2000000.0);
//out = amf_encode_name_value_double(out, outend, "duration", 0.0);
//out = amf_encode_name_value_double(out, outend, "avclevel", );
//out = amf_encode_name_value_double(out, outend, "avcprofile", );
//out = amf_encode_name_value_double(out, outend, "videokeyframe_frequency", 2.0);
}
if (audio)
{
// out = amf_encode_name_value_string(out, outend, "audiocodecid", "mp4a"); // FLV AUDIODATA AAC
out = amf_encode_name_value_double(out, outend, "audiocodecid", (double)10); // FLV AUDIODATA AAC
// out = amf_encode_name_value_double(out, outend, "audiodatarate", 44100);
// out = amf_encode_name_value_double(out, outend, "audiosamplesize", 16.0);
// out = amf_encode_name_value_double(out, outend, "audiochannels", 2.0);
// out = amf_encode_name_value_double(out, outend, "audiosamplerate", );
}
out = AMF_EncodeInt24(out, outend, AMF_OBJECT_END);
*out = 0;
return out;
}
uint8_t inline *amf_write_i24(uint8_t *s, uint8_t *e, int i)
{
return (uint8_t*)AMF_EncodeInt24((char*)s, (char*)e, i);
}