mirror of
https://github.com/ossrs/srs.git
synced 2025-02-15 04:42:04 +00:00
refine librtmp, move the utils and human to end section.
This commit is contained in:
winlin
parent
10bc5399ec
commit
180106ce70
2 changed files with 425 additions and 425 deletions
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@ -858,117 +858,6 @@ int srs_version_revision()
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return VERSION_REVISION;
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}
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int64_t srs_utils_get_time_ms()
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{
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srs_update_system_time_ms();
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return srs_get_system_time_ms();
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}
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int64_t srs_utils_get_send_bytes(srs_rtmp_t rtmp)
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{
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srs_assert(rtmp != NULL);
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Context* context = (Context*)rtmp;
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return context->rtmp->get_send_bytes();
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}
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int64_t srs_utils_get_recv_bytes(srs_rtmp_t rtmp)
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{
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srs_assert(rtmp != NULL);
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Context* context = (Context*)rtmp;
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return context->rtmp->get_recv_bytes();
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}
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int srs_utils_parse_timestamp(
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u_int32_t time, char type, char* data, int size,
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u_int32_t* ppts
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) {
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int ret = ERROR_SUCCESS;
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if (type != SRS_RTMP_TYPE_VIDEO) {
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*ppts = time;
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return ret;
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}
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if (!SrsFlvCodec::video_is_h264(data, size)) {
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return ERROR_FLV_INVALID_VIDEO_TAG;
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}
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if (SrsFlvCodec::video_is_sequence_header(data, size)) {
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*ppts = time;
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return ret;
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}
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// 1bytes, frame type and codec id.
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// 1bytes, avc packet type.
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// 3bytes, cts, composition time,
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// pts = dts + cts, or
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// cts = pts - dts.
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if (size < 5) {
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return ERROR_FLV_INVALID_VIDEO_TAG;
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}
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u_int32_t cts = 0;
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char* p = data + 2;
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char* pp = (char*)&cts;
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pp[2] = *p++;
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pp[1] = *p++;
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pp[0] = *p++;
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*ppts = time + cts;
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return ret;
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}
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char srs_utils_get_flv_video_codec_id(char* data, int size)
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{
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if (size < 1) {
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return 0;
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}
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char codec_id = data[0];
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codec_id = codec_id & 0x0F;
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return codec_id;
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}
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char srs_utils_get_flv_video_avc_packet_type(char* data, int size)
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{
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if (size < 2) {
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return -1;
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}
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if (!SrsFlvCodec::video_is_h264(data, size)) {
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return -1;
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}
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u_int8_t avc_packet_type = data[1];
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if (avc_packet_type > 2) {
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return -1;
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}
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return avc_packet_type;
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}
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char srs_utils_get_flv_video_frame_type(char* data, int size)
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{
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if (size < 1) {
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return -1;
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}
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if (!SrsFlvCodec::video_is_h264(data, size)) {
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return -1;
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}
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u_int8_t frame_type = data[0];
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frame_type = (frame_type >> 4) & 0x0f;
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if (frame_type < 1 || frame_type > 5) {
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return -1;
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}
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return frame_type;
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}
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struct FlvContext
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{
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SrsFileReader reader;
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@ -1432,169 +1321,6 @@ void srs_amf0_strict_array_append(srs_amf0_t amf0, srs_amf0_t value)
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obj->append(any);
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}
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char* srs_human_amf0_print(srs_amf0_t amf0, char** pdata, int* psize)
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{
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if (!amf0) {
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return NULL;
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}
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SrsAmf0Any* any = (SrsAmf0Any*)amf0;
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return any->human_print(pdata, psize);
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}
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const char* srs_human_flv_tag_type2string(char type)
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{
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static const char* audio = "Audio";
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static const char* video = "Video";
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static const char* data = "Data";
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static const char* unknown = "Unknown";
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switch (type) {
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case SRS_RTMP_TYPE_AUDIO: return audio;
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case SRS_RTMP_TYPE_VIDEO: return video;
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case SRS_RTMP_TYPE_SCRIPT: return data;
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default: return unknown;
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}
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return unknown;
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}
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const char* srs_human_flv_video_codec_id2string(char codec_id)
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{
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static const char* h263 = "H.263";
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static const char* screen = "Screen";
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static const char* vp6 = "VP6";
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static const char* vp6_alpha = "VP6Alpha";
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static const char* screen2 = "Screen2";
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static const char* h264 = "H.264";
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static const char* unknown = "Unknown";
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switch (codec_id) {
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case 2: return h263;
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case 3: return screen;
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case 4: return vp6;
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case 5: return vp6_alpha;
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case 6: return screen2;
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case 7: return h264;
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default: return unknown;
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}
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return unknown;
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}
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const char* srs_human_flv_video_avc_packet_type2string(char avc_packet_type)
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{
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static const char* sps_pps = "SpsPps";
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static const char* nalu = "Nalu";
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static const char* sps_pps_end = "SpsPpsEnd";
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static const char* unknown = "Unknown";
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switch (avc_packet_type) {
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case 0: return sps_pps;
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case 1: return nalu;
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case 2: return sps_pps_end;
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default: return unknown;
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}
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return unknown;
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}
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const char* srs_human_flv_video_frame_type2string(char frame_type)
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{
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static const char* keyframe = "I";
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static const char* interframe = "P/B";
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static const char* disposable_interframe = "DI";
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static const char* generated_keyframe = "GI";
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static const char* video_infoframe = "VI";
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static const char* unknown = "Unknown";
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switch (frame_type) {
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case 1: return keyframe;
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case 2: return interframe;
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case 3: return disposable_interframe;
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case 4: return generated_keyframe;
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case 5: return video_infoframe;
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default: return unknown;
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}
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return unknown;
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}
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int srs_human_print_rtmp_packet(char type, u_int32_t timestamp, char* data, int size)
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{
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int ret = ERROR_SUCCESS;
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u_int32_t pts;
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if (srs_utils_parse_timestamp(timestamp, type, data, size, &pts) != 0) {
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return ret;
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}
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if (type == SRS_RTMP_TYPE_VIDEO) {
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srs_human_trace("Video packet type=%s, dts=%d, pts=%d, size=%d, %s(%s,%s)",
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srs_human_flv_tag_type2string(type), timestamp, pts, size,
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srs_human_flv_video_codec_id2string(srs_utils_get_flv_video_codec_id(data, size)),
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srs_human_flv_video_avc_packet_type2string(srs_utils_get_flv_video_avc_packet_type(data, size)),
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srs_human_flv_video_frame_type2string(srs_utils_get_flv_video_frame_type(data, size))
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);
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} else if (type == SRS_RTMP_TYPE_AUDIO) {
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srs_human_trace("Audio packet type=%s, dts=%d, pts=%d, size=%d",
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srs_human_flv_tag_type2string(type), timestamp, pts, size);
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} else if (type == SRS_RTMP_TYPE_SCRIPT) {
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srs_human_verbose("Data packet type=%s, time=%d, size=%d",
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srs_human_flv_tag_type2string(type), timestamp, size);
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int nparsed = 0;
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while (nparsed < size) {
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int nb_parsed_this = 0;
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srs_amf0_t amf0 = srs_amf0_parse(data + nparsed, size - nparsed, &nb_parsed_this);
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if (amf0 == NULL) {
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break;
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}
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nparsed += nb_parsed_this;
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char* amf0_str = NULL;
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srs_human_raw("%s", srs_human_amf0_print(amf0, &amf0_str, NULL));
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srs_amf0_free_bytes(amf0_str);
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}
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} else {
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srs_human_trace("Unknown packet type=%s, dts=%d, pts=%d, size=%d",
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srs_human_flv_tag_type2string(type), timestamp, pts, size);
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}
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return ret;
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}
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const char* srs_human_format_time()
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{
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struct timeval tv;
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static char buf[23];
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memset(buf, 0, sizeof(buf));
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// clock time
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if (gettimeofday(&tv, NULL) == -1) {
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return buf;
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}
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// to calendar time
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struct tm* tm;
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if ((tm = localtime((const time_t*)&tv.tv_sec)) == NULL) {
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return buf;
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}
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snprintf(buf, sizeof(buf),
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"%d-%02d-%02d %02d:%02d:%02d.%03d",
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1900 + tm->tm_year, 1 + tm->tm_mon, tm->tm_mday,
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tm->tm_hour, tm->tm_min, tm->tm_sec,
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(int)(tv.tv_usec / 1000));
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// for srs-librtmp, @see https://github.com/winlinvip/simple-rtmp-server/issues/213
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buf[sizeof(buf) - 1] = 0;
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return buf;
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}
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/**
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* write audio raw frame to SRS.
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*/
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@ -1986,6 +1712,280 @@ int srs_h264_startswith_annexb(char* h264_raw_data, int h264_raw_size, int* pnb_
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return srs_avc_startswith_annexb(&stream, pnb_start_code);
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}
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int64_t srs_utils_get_time_ms()
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{
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srs_update_system_time_ms();
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return srs_get_system_time_ms();
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}
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int64_t srs_utils_get_send_bytes(srs_rtmp_t rtmp)
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{
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srs_assert(rtmp != NULL);
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Context* context = (Context*)rtmp;
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return context->rtmp->get_send_bytes();
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}
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int64_t srs_utils_get_recv_bytes(srs_rtmp_t rtmp)
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{
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srs_assert(rtmp != NULL);
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Context* context = (Context*)rtmp;
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return context->rtmp->get_recv_bytes();
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}
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int srs_utils_parse_timestamp(
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u_int32_t time, char type, char* data, int size,
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u_int32_t* ppts
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) {
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int ret = ERROR_SUCCESS;
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if (type != SRS_RTMP_TYPE_VIDEO) {
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*ppts = time;
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return ret;
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}
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if (!SrsFlvCodec::video_is_h264(data, size)) {
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return ERROR_FLV_INVALID_VIDEO_TAG;
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}
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if (SrsFlvCodec::video_is_sequence_header(data, size)) {
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*ppts = time;
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return ret;
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}
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// 1bytes, frame type and codec id.
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// 1bytes, avc packet type.
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// 3bytes, cts, composition time,
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// pts = dts + cts, or
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// cts = pts - dts.
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if (size < 5) {
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return ERROR_FLV_INVALID_VIDEO_TAG;
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}
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u_int32_t cts = 0;
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char* p = data + 2;
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char* pp = (char*)&cts;
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pp[2] = *p++;
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pp[1] = *p++;
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pp[0] = *p++;
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*ppts = time + cts;
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return ret;
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}
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char srs_utils_get_flv_video_codec_id(char* data, int size)
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{
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if (size < 1) {
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return 0;
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}
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char codec_id = data[0];
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codec_id = codec_id & 0x0F;
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return codec_id;
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}
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char srs_utils_get_flv_video_avc_packet_type(char* data, int size)
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{
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if (size < 2) {
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return -1;
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}
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if (!SrsFlvCodec::video_is_h264(data, size)) {
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return -1;
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}
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u_int8_t avc_packet_type = data[1];
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if (avc_packet_type > 2) {
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return -1;
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}
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return avc_packet_type;
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}
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char srs_utils_get_flv_video_frame_type(char* data, int size)
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{
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if (size < 1) {
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return -1;
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}
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if (!SrsFlvCodec::video_is_h264(data, size)) {
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return -1;
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}
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u_int8_t frame_type = data[0];
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frame_type = (frame_type >> 4) & 0x0f;
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if (frame_type < 1 || frame_type > 5) {
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return -1;
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}
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return frame_type;
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}
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char* srs_human_amf0_print(srs_amf0_t amf0, char** pdata, int* psize)
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{
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if (!amf0) {
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return NULL;
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}
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SrsAmf0Any* any = (SrsAmf0Any*)amf0;
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return any->human_print(pdata, psize);
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}
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const char* srs_human_flv_tag_type2string(char type)
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{
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static const char* audio = "Audio";
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static const char* video = "Video";
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static const char* data = "Data";
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static const char* unknown = "Unknown";
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switch (type) {
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case SRS_RTMP_TYPE_AUDIO: return audio;
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case SRS_RTMP_TYPE_VIDEO: return video;
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case SRS_RTMP_TYPE_SCRIPT: return data;
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default: return unknown;
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}
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return unknown;
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}
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const char* srs_human_flv_video_codec_id2string(char codec_id)
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{
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static const char* h263 = "H.263";
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static const char* screen = "Screen";
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static const char* vp6 = "VP6";
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static const char* vp6_alpha = "VP6Alpha";
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static const char* screen2 = "Screen2";
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static const char* h264 = "H.264";
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static const char* unknown = "Unknown";
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switch (codec_id) {
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case 2: return h263;
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case 3: return screen;
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case 4: return vp6;
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case 5: return vp6_alpha;
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case 6: return screen2;
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case 7: return h264;
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default: return unknown;
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}
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return unknown;
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}
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const char* srs_human_flv_video_avc_packet_type2string(char avc_packet_type)
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{
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static const char* sps_pps = "SpsPps";
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static const char* nalu = "Nalu";
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static const char* sps_pps_end = "SpsPpsEnd";
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static const char* unknown = "Unknown";
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switch (avc_packet_type) {
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case 0: return sps_pps;
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case 1: return nalu;
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case 2: return sps_pps_end;
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default: return unknown;
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}
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return unknown;
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}
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const char* srs_human_flv_video_frame_type2string(char frame_type)
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{
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static const char* keyframe = "I";
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static const char* interframe = "P/B";
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static const char* disposable_interframe = "DI";
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static const char* generated_keyframe = "GI";
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static const char* video_infoframe = "VI";
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static const char* unknown = "Unknown";
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switch (frame_type) {
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case 1: return keyframe;
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case 2: return interframe;
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case 3: return disposable_interframe;
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case 4: return generated_keyframe;
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case 5: return video_infoframe;
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default: return unknown;
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}
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return unknown;
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}
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int srs_human_print_rtmp_packet(char type, u_int32_t timestamp, char* data, int size)
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{
|
||||
int ret = ERROR_SUCCESS;
|
||||
|
||||
u_int32_t pts;
|
||||
if (srs_utils_parse_timestamp(timestamp, type, data, size, &pts) != 0) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (type == SRS_RTMP_TYPE_VIDEO) {
|
||||
srs_human_trace("Video packet type=%s, dts=%d, pts=%d, size=%d, %s(%s,%s)",
|
||||
srs_human_flv_tag_type2string(type), timestamp, pts, size,
|
||||
srs_human_flv_video_codec_id2string(srs_utils_get_flv_video_codec_id(data, size)),
|
||||
srs_human_flv_video_avc_packet_type2string(srs_utils_get_flv_video_avc_packet_type(data, size)),
|
||||
srs_human_flv_video_frame_type2string(srs_utils_get_flv_video_frame_type(data, size))
|
||||
);
|
||||
} else if (type == SRS_RTMP_TYPE_AUDIO) {
|
||||
srs_human_trace("Audio packet type=%s, dts=%d, pts=%d, size=%d",
|
||||
srs_human_flv_tag_type2string(type), timestamp, pts, size);
|
||||
} else if (type == SRS_RTMP_TYPE_SCRIPT) {
|
||||
srs_human_verbose("Data packet type=%s, time=%d, size=%d",
|
||||
srs_human_flv_tag_type2string(type), timestamp, size);
|
||||
int nparsed = 0;
|
||||
while (nparsed < size) {
|
||||
int nb_parsed_this = 0;
|
||||
srs_amf0_t amf0 = srs_amf0_parse(data + nparsed, size - nparsed, &nb_parsed_this);
|
||||
if (amf0 == NULL) {
|
||||
break;
|
||||
}
|
||||
|
||||
nparsed += nb_parsed_this;
|
||||
|
||||
char* amf0_str = NULL;
|
||||
srs_human_raw("%s", srs_human_amf0_print(amf0, &amf0_str, NULL));
|
||||
srs_amf0_free_bytes(amf0_str);
|
||||
}
|
||||
} else {
|
||||
srs_human_trace("Unknown packet type=%s, dts=%d, pts=%d, size=%d",
|
||||
srs_human_flv_tag_type2string(type), timestamp, pts, size);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
const char* srs_human_format_time()
|
||||
{
|
||||
struct timeval tv;
|
||||
static char buf[23];
|
||||
|
||||
memset(buf, 0, sizeof(buf));
|
||||
|
||||
// clock time
|
||||
if (gettimeofday(&tv, NULL) == -1) {
|
||||
return buf;
|
||||
}
|
||||
|
||||
// to calendar time
|
||||
struct tm* tm;
|
||||
if ((tm = localtime((const time_t*)&tv.tv_sec)) == NULL) {
|
||||
return buf;
|
||||
}
|
||||
|
||||
snprintf(buf, sizeof(buf),
|
||||
"%d-%02d-%02d %02d:%02d:%02d.%03d",
|
||||
1900 + tm->tm_year, 1 + tm->tm_mon, tm->tm_mday,
|
||||
tm->tm_hour, tm->tm_min, tm->tm_sec,
|
||||
(int)(tv.tv_usec / 1000));
|
||||
|
||||
// for srs-librtmp, @see https://github.com/winlinvip/simple-rtmp-server/issues/213
|
||||
buf[sizeof(buf) - 1] = 0;
|
||||
|
||||
return buf;
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -263,83 +263,6 @@ extern int srs_version_major();
|
|||
extern int srs_version_minor();
|
||||
extern int srs_version_revision();
|
||||
|
||||
/*************************************************************
|
||||
**************************************************************
|
||||
* utilities
|
||||
**************************************************************
|
||||
*************************************************************/
|
||||
/**
|
||||
* get the current system time in ms.
|
||||
* use gettimeofday() to get system time.
|
||||
*/
|
||||
extern int64_t srs_utils_get_time_ms();
|
||||
|
||||
/**
|
||||
* get the send bytes.
|
||||
*/
|
||||
extern int64_t srs_utils_get_send_bytes(srs_rtmp_t rtmp);
|
||||
|
||||
/**
|
||||
* get the recv bytes.
|
||||
*/
|
||||
extern int64_t srs_utils_get_recv_bytes(srs_rtmp_t rtmp);
|
||||
|
||||
/**
|
||||
* parse the dts and pts by time in header and data in tag,
|
||||
* or to parse the RTMP packet by srs_read_packet().
|
||||
*
|
||||
* @param time, the timestamp of tag, read by srs_flv_read_tag_header().
|
||||
* @param type, the type of tag, read by srs_flv_read_tag_header().
|
||||
* @param data, the data of tag, read by srs_flv_read_tag_data().
|
||||
* @param size, the size of tag, read by srs_flv_read_tag_header().
|
||||
* @param ppts, output the pts in ms,
|
||||
*
|
||||
* @return 0, success; otherswise, failed.
|
||||
* @remark, the dts always equals to @param time.
|
||||
* @remark, the pts=dts for audio or data.
|
||||
* @remark, video only support h.264.
|
||||
*/
|
||||
extern int srs_utils_parse_timestamp(
|
||||
u_int32_t time, char type, char* data, int size,
|
||||
u_int32_t* ppts
|
||||
);
|
||||
|
||||
/**
|
||||
* get the CodecID of video tag.
|
||||
* Codec Identifier. The following values are defined:
|
||||
* 2 = Sorenson H.263
|
||||
* 3 = Screen video
|
||||
* 4 = On2 VP6
|
||||
* 5 = On2 VP6 with alpha channel
|
||||
* 6 = Screen video version 2
|
||||
* 7 = AVC
|
||||
* @return the code id. 0 for error.
|
||||
*/
|
||||
extern char srs_utils_get_flv_video_codec_id(char* data, int size);
|
||||
|
||||
/**
|
||||
* get the AVCPacketType of video tag.
|
||||
* The following values are defined:
|
||||
* 0 = AVC sequence header
|
||||
* 1 = AVC NALU
|
||||
* 2 = AVC end of sequence (lower level NALU sequence ender is
|
||||
* not required or supported)
|
||||
* @return the avc packet type. -1(0xff) for error.
|
||||
*/
|
||||
extern char srs_utils_get_flv_video_avc_packet_type(char* data, int size);
|
||||
|
||||
/**
|
||||
* get the FrameType of video tag.
|
||||
* Type of video frame. The following values are defined:
|
||||
* 1 = key frame (for AVC, a seekable frame)
|
||||
* 2 = inter frame (for AVC, a non-seekable frame)
|
||||
* 3 = disposable inter frame (H.263 only)
|
||||
* 4 = generated key frame (reserved for server use only)
|
||||
* 5 = video info/command frame
|
||||
* @return the frame type. 0 for error.
|
||||
*/
|
||||
extern char srs_utils_get_flv_video_frame_type(char* data, int size);
|
||||
|
||||
/*************************************************************
|
||||
**************************************************************
|
||||
* flv codec
|
||||
|
|
@ -498,80 +421,6 @@ extern int srs_amf0_strict_array_property_count(srs_amf0_t amf0);
|
|||
extern srs_amf0_t srs_amf0_strict_array_property_at(srs_amf0_t amf0, int index);
|
||||
extern void srs_amf0_strict_array_append(srs_amf0_t amf0, srs_amf0_t value);
|
||||
|
||||
/*************************************************************
|
||||
**************************************************************
|
||||
* human readable print.
|
||||
**************************************************************
|
||||
*************************************************************/
|
||||
/**
|
||||
* human readable print
|
||||
* @param pdata, output the heap data, NULL to ignore.
|
||||
* user must use srs_amf0_free_bytes to free it.
|
||||
* @return return the *pdata for print. NULL to ignore.
|
||||
*/
|
||||
extern char* srs_human_amf0_print(srs_amf0_t amf0, char** pdata, int* psize);
|
||||
/**
|
||||
* convert the flv tag type to string.
|
||||
* SRS_RTMP_TYPE_AUDIO to "Audio"
|
||||
* SRS_RTMP_TYPE_VIDEO to "Video"
|
||||
* SRS_RTMP_TYPE_SCRIPT to "Data"
|
||||
* otherwise, "Unknown"
|
||||
* @remark user never free the return char*,
|
||||
* it's static shared const string.
|
||||
*/
|
||||
extern const char* srs_human_flv_tag_type2string(char type);
|
||||
|
||||
/**
|
||||
* get the codec id string.
|
||||
* H.263 = Sorenson H.263
|
||||
* Screen = Screen video
|
||||
* VP6 = On2 VP6
|
||||
* VP6Alpha = On2 VP6 with alpha channel
|
||||
* Screen2 = Screen video version 2
|
||||
* H.264 = AVC
|
||||
* otherwise, "Unknown"
|
||||
* @remark user never free the return char*,
|
||||
* it's static shared const string.
|
||||
*/
|
||||
extern const char* srs_human_flv_video_codec_id2string(char codec_id);
|
||||
|
||||
/**
|
||||
* get the avc packet type string.
|
||||
* SpsPps = AVC sequence header
|
||||
* Nalu = AVC NALU
|
||||
* SpsPpsEnd = AVC end of sequence
|
||||
* otherwise, "Unknown"
|
||||
* @remark user never free the return char*,
|
||||
* it's static shared const string.
|
||||
*/
|
||||
extern const char* srs_human_flv_video_avc_packet_type2string(char avc_packet_type);
|
||||
|
||||
/**
|
||||
* get the frame type string.
|
||||
* I = key frame (for AVC, a seekable frame)
|
||||
* P/B = inter frame (for AVC, a non-seekable frame)
|
||||
* DI = disposable inter frame (H.263 only)
|
||||
* GI = generated key frame (reserved for server use only)
|
||||
* VI = video info/command frame
|
||||
* otherwise, "Unknown"
|
||||
* @remark user never free the return char*,
|
||||
* it's static shared const string.
|
||||
*/
|
||||
extern const char* srs_human_flv_video_frame_type2string(char frame_type);
|
||||
|
||||
/**
|
||||
* print the rtmp packet, use srs_human_trace/srs_human_verbose for packet,
|
||||
* and use srs_human_raw for script data body.
|
||||
* @return an error code for parse the timetstamp to dts and pts.
|
||||
*/
|
||||
extern int srs_human_print_rtmp_packet(char type, u_int32_t timestamp, char* data, int size);
|
||||
|
||||
// log to console, for use srs-librtmp application.
|
||||
extern const char* srs_human_format_time();
|
||||
#define srs_human_trace(msg, ...) printf("[%s] ", srs_human_format_time());printf(msg, ##__VA_ARGS__);printf("\n")
|
||||
#define srs_human_verbose(msg, ...) printf("[%s] ", srs_human_format_time());printf(msg, ##__VA_ARGS__);printf("\n")
|
||||
#define srs_human_raw(msg, ...) printf(msg, ##__VA_ARGS__)
|
||||
|
||||
/*************************************************************
|
||||
**************************************************************
|
||||
* audio raw codec
|
||||
|
|
@ -735,6 +584,157 @@ extern int srs_h264_startswith_annexb(
|
|||
int* pnb_start_code
|
||||
);
|
||||
|
||||
/*************************************************************
|
||||
**************************************************************
|
||||
* utilities
|
||||
**************************************************************
|
||||
*************************************************************/
|
||||
/**
|
||||
* get the current system time in ms.
|
||||
* use gettimeofday() to get system time.
|
||||
*/
|
||||
extern int64_t srs_utils_get_time_ms();
|
||||
|
||||
/**
|
||||
* get the send bytes.
|
||||
*/
|
||||
extern int64_t srs_utils_get_send_bytes(srs_rtmp_t rtmp);
|
||||
|
||||
/**
|
||||
* get the recv bytes.
|
||||
*/
|
||||
extern int64_t srs_utils_get_recv_bytes(srs_rtmp_t rtmp);
|
||||
|
||||
/**
|
||||
* parse the dts and pts by time in header and data in tag,
|
||||
* or to parse the RTMP packet by srs_read_packet().
|
||||
*
|
||||
* @param time, the timestamp of tag, read by srs_flv_read_tag_header().
|
||||
* @param type, the type of tag, read by srs_flv_read_tag_header().
|
||||
* @param data, the data of tag, read by srs_flv_read_tag_data().
|
||||
* @param size, the size of tag, read by srs_flv_read_tag_header().
|
||||
* @param ppts, output the pts in ms,
|
||||
*
|
||||
* @return 0, success; otherswise, failed.
|
||||
* @remark, the dts always equals to @param time.
|
||||
* @remark, the pts=dts for audio or data.
|
||||
* @remark, video only support h.264.
|
||||
*/
|
||||
extern int srs_utils_parse_timestamp(
|
||||
u_int32_t time, char type, char* data, int size,
|
||||
u_int32_t* ppts
|
||||
);
|
||||
|
||||
/**
|
||||
* get the CodecID of video tag.
|
||||
* Codec Identifier. The following values are defined:
|
||||
* 2 = Sorenson H.263
|
||||
* 3 = Screen video
|
||||
* 4 = On2 VP6
|
||||
* 5 = On2 VP6 with alpha channel
|
||||
* 6 = Screen video version 2
|
||||
* 7 = AVC
|
||||
* @return the code id. 0 for error.
|
||||
*/
|
||||
extern char srs_utils_get_flv_video_codec_id(char* data, int size);
|
||||
|
||||
/**
|
||||
* get the AVCPacketType of video tag.
|
||||
* The following values are defined:
|
||||
* 0 = AVC sequence header
|
||||
* 1 = AVC NALU
|
||||
* 2 = AVC end of sequence (lower level NALU sequence ender is
|
||||
* not required or supported)
|
||||
* @return the avc packet type. -1(0xff) for error.
|
||||
*/
|
||||
extern char srs_utils_get_flv_video_avc_packet_type(char* data, int size);
|
||||
|
||||
/**
|
||||
* get the FrameType of video tag.
|
||||
* Type of video frame. The following values are defined:
|
||||
* 1 = key frame (for AVC, a seekable frame)
|
||||
* 2 = inter frame (for AVC, a non-seekable frame)
|
||||
* 3 = disposable inter frame (H.263 only)
|
||||
* 4 = generated key frame (reserved for server use only)
|
||||
* 5 = video info/command frame
|
||||
* @return the frame type. 0 for error.
|
||||
*/
|
||||
extern char srs_utils_get_flv_video_frame_type(char* data, int size);
|
||||
|
||||
/*************************************************************
|
||||
**************************************************************
|
||||
* human readable print.
|
||||
**************************************************************
|
||||
*************************************************************/
|
||||
/**
|
||||
* human readable print
|
||||
* @param pdata, output the heap data, NULL to ignore.
|
||||
* user must use srs_amf0_free_bytes to free it.
|
||||
* @return return the *pdata for print. NULL to ignore.
|
||||
*/
|
||||
extern char* srs_human_amf0_print(srs_amf0_t amf0, char** pdata, int* psize);
|
||||
/**
|
||||
* convert the flv tag type to string.
|
||||
* SRS_RTMP_TYPE_AUDIO to "Audio"
|
||||
* SRS_RTMP_TYPE_VIDEO to "Video"
|
||||
* SRS_RTMP_TYPE_SCRIPT to "Data"
|
||||
* otherwise, "Unknown"
|
||||
* @remark user never free the return char*,
|
||||
* it's static shared const string.
|
||||
*/
|
||||
extern const char* srs_human_flv_tag_type2string(char type);
|
||||
|
||||
/**
|
||||
* get the codec id string.
|
||||
* H.263 = Sorenson H.263
|
||||
* Screen = Screen video
|
||||
* VP6 = On2 VP6
|
||||
* VP6Alpha = On2 VP6 with alpha channel
|
||||
* Screen2 = Screen video version 2
|
||||
* H.264 = AVC
|
||||
* otherwise, "Unknown"
|
||||
* @remark user never free the return char*,
|
||||
* it's static shared const string.
|
||||
*/
|
||||
extern const char* srs_human_flv_video_codec_id2string(char codec_id);
|
||||
|
||||
/**
|
||||
* get the avc packet type string.
|
||||
* SpsPps = AVC sequence header
|
||||
* Nalu = AVC NALU
|
||||
* SpsPpsEnd = AVC end of sequence
|
||||
* otherwise, "Unknown"
|
||||
* @remark user never free the return char*,
|
||||
* it's static shared const string.
|
||||
*/
|
||||
extern const char* srs_human_flv_video_avc_packet_type2string(char avc_packet_type);
|
||||
|
||||
/**
|
||||
* get the frame type string.
|
||||
* I = key frame (for AVC, a seekable frame)
|
||||
* P/B = inter frame (for AVC, a non-seekable frame)
|
||||
* DI = disposable inter frame (H.263 only)
|
||||
* GI = generated key frame (reserved for server use only)
|
||||
* VI = video info/command frame
|
||||
* otherwise, "Unknown"
|
||||
* @remark user never free the return char*,
|
||||
* it's static shared const string.
|
||||
*/
|
||||
extern const char* srs_human_flv_video_frame_type2string(char frame_type);
|
||||
|
||||
/**
|
||||
* print the rtmp packet, use srs_human_trace/srs_human_verbose for packet,
|
||||
* and use srs_human_raw for script data body.
|
||||
* @return an error code for parse the timetstamp to dts and pts.
|
||||
*/
|
||||
extern int srs_human_print_rtmp_packet(char type, u_int32_t timestamp, char* data, int size);
|
||||
|
||||
// log to console, for use srs-librtmp application.
|
||||
extern const char* srs_human_format_time();
|
||||
#define srs_human_trace(msg, ...) printf("[%s] ", srs_human_format_time());printf(msg, ##__VA_ARGS__);printf("\n")
|
||||
#define srs_human_verbose(msg, ...) printf("[%s] ", srs_human_format_time());printf(msg, ##__VA_ARGS__);printf("\n")
|
||||
#define srs_human_raw(msg, ...) printf(msg, ##__VA_ARGS__)
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue