2 Copyright 2005-2006 Mark Calderbank
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4 This file is part of VOMP.
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6 VOMP is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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11 VOMP is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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16 You should have received a copy of the GNU General Public License
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17 along with VOMP; if not, write to the Free Software
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18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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36 void Stream::shutdown()
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49 int Stream::init(DrainTarget* tdt, int bufsize)
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51 outbuf = (UCHAR*) malloc(bufsize);
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52 if (!outbuf) return 0;
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54 bufferSize = bufsize;
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57 pthread_mutex_init(&mutex, NULL);
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59 mutex=CreateMutex(NULL,FALSE,NULL);
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64 void Stream::flush()
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68 mediapackets.clear();
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70 if (draintarget) draintarget->ResetTimeOffsets();
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73 int Stream::put(const UCHAR* inbuf, int len, UCHAR type,unsigned int index)
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76 if (!draintarget) return 0;
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77 MediaPacket newPacket;
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78 newPacket.length = len;
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79 newPacket.pos_buffer = 0;
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80 newPacket.type = type;
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83 newPacket.synched=false;
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84 newPacket.index=index;
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85 #ifndef VOMP_PLATTFORM_MVP
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86 newPacket.disconti=false;
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87 newPacket.presentation_time=0;
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89 if (type!=MPTYPE_MPEG_AUDIO_LAYER3) {//no PES
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90 //Extract the pts...
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92 if ((inbuf[7] & 0x80) && len>14 ) {
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93 newPacket.synched=true;
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94 newPacket.pts=((ULLONG)(inbuf[9] & 0x0E) << 29 ) |
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95 ( (ULLONG)(inbuf[10]) << 22 ) |
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96 ( (ULLONG)(inbuf[11] & 0xFE) << 14 ) |
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97 ( (ULLONG)(inbuf[12]) << 7 ) |
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98 ( (ULLONG)(inbuf[13] & 0xFE) >> 1 );
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99 if ((inbuf[7] & 0x40) && len>19) {
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100 newPacket.dts=((ULLONG)(inbuf[14] & 0x0E) << 29 ) |
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101 ( (ULLONG)(inbuf[15]) << 22 ) |
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102 ( (ULLONG)(inbuf[16] & 0xFE) << 14 ) |
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103 ( (ULLONG)(inbuf[17]) << 7 ) |
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104 ( (ULLONG)(inbuf[18] & 0xFE) >> 1 );
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107 #ifndef VOMP_PLATTFORM_MVP
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108 //ok we have the pts now convert it to a continously time code in 100ns units
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109 if (hasdts && draintarget->dtsTimefix()) newPacket.presentation_time=(ULLONG)(newPacket.dts*10000LL/90LL);
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110 else newPacket.presentation_time=(ULLONG)(newPacket.pts*10000LL/90LL);
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112 //newPacket.presentation_time-=draintarget->SetStartOffset((ULLONG)(newPacket.pts*10000LL/90LL),&newPacket.disconti);
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113 newPacket.presentation_time-=draintarget->SetStartOffset((ULLONG)(newPacket.pts*10000LL/90LL),&newPacket.disconti);
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120 if (mediapackets.empty())
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122 back = 0; front = bufferSize;
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126 front = mediapackets.front().pos_buffer;
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127 back = mediapackets.back().pos_buffer + mediapackets.back().length;
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128 if (back == bufferSize) back = 0;
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134 // The free space (if any) is in one continuous chunk.
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135 if (len <= front - back) ret = len; // Is there enough of it?
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137 else if (len <= bufferSize - back)
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139 // There is enough space at the end of the buffer
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142 else if (len <= front)
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144 // There is enough space at the start of the buffer
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149 if (ret) // Nonzero if we managed to find room for the packet
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151 memcpy(outbuf + back, inbuf, len);
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152 newPacket.pos_buffer = back;
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154 mediapackets.push_back(newPacket);
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157 // Log::getInstance()->log("Stream", Log::DEBUG, "We are full %d!",bufferSize);
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163 bool Stream::drain()
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167 UINT listlength = mediapackets.size();
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168 if (listlength != 0)
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170 draintarget->PrepareMediaSample(mediapackets, cur_packet_pos);
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172 UINT consumed = draintarget->DeliverMediaSample(outbuf, &cur_packet_pos);
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174 if (consumed != 0) ret = true;
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175 if (consumed > listlength) consumed = listlength;
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176 while (consumed--)
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178 mediapackets.pop_front();
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185 void Stream::lock()
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188 pthread_mutex_lock(&mutex);
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189 //logger->log("Player", Log::DEBUG, "LOCKED");
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192 WaitForSingleObject(mutex, INFINITE );
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196 void Stream::unLock()
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199 //logger->log("Player", Log::DEBUG, "UNLOCKING");
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200 pthread_mutex_unlock(&mutex);
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202 ReleaseMutex(mutex);
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