| /********** |
| This library is free software; you can redistribute it and/or modify it under |
| the terms of the GNU Lesser General Public License as published by the |
| Free Software Foundation; either version 3 of the License, or (at your |
| option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
| |
| This library is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
| more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this library; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| **********/ |
| // "liveMedia" |
| // Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved. |
| // MP4V-ES video RTP stream sources |
| // Implementation |
| |
| #include "MPEG4ESVideoRTPSource.hh" |
| |
| ///////// MPEG4ESVideoRTPSource implementation //////// |
| |
| //##### NOTE: INCOMPLETE!!! ##### |
| |
| MPEG4ESVideoRTPSource* |
| MPEG4ESVideoRTPSource::createNew(UsageEnvironment& env, Groupsock* RTPgs, |
| unsigned char rtpPayloadFormat, |
| unsigned rtpTimestampFrequency) { |
| return new MPEG4ESVideoRTPSource(env, RTPgs, rtpPayloadFormat, |
| rtpTimestampFrequency); |
| } |
| |
| MPEG4ESVideoRTPSource |
| ::MPEG4ESVideoRTPSource(UsageEnvironment& env, Groupsock* RTPgs, |
| unsigned char rtpPayloadFormat, |
| unsigned rtpTimestampFrequency) |
| : MultiFramedRTPSource(env, RTPgs, |
| rtpPayloadFormat, rtpTimestampFrequency) { |
| } |
| |
| MPEG4ESVideoRTPSource::~MPEG4ESVideoRTPSource() { |
| } |
| |
| Boolean MPEG4ESVideoRTPSource |
| ::processSpecialHeader(BufferedPacket* packet, |
| unsigned& resultSpecialHeaderSize) { |
| // The packet begins a frame iff its data begins with a system code |
| // (i.e., 0x000001??) |
| fCurrentPacketBeginsFrame |
| = packet->dataSize() >= 4 && (packet->data())[0] == 0 |
| && (packet->data())[1] == 0 && (packet->data())[2] == 1; |
| |
| // The RTP "M" (marker) bit indicates the last fragment of a frame: |
| fCurrentPacketCompletesFrame = packet->rtpMarkerBit(); |
| |
| // There is no special header |
| resultSpecialHeaderSize = 0; |
| return True; |
| } |
| |
| char const* MPEG4ESVideoRTPSource::MIMEtype() const { |
| return "video/MP4V-ES"; |
| } |