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-rw-r--r--dlna/avdetector.cpp378
1 files changed, 0 insertions, 378 deletions
diff --git a/dlna/avdetector.cpp b/dlna/avdetector.cpp
deleted file mode 100644
index 461b375..0000000
--- a/dlna/avdetector.cpp
+++ /dev/null
@@ -1,378 +0,0 @@
-/*
- * File: avdetector.cpp
- * Author: savop
- *
- * Created on 26. Oktober 2009, 13:01
- */
-
-#include "avdetector.h"
-#include "profiles/container.h"
-#include "object.h"
-#include <sys/stat.h>
-
-cAudioVideoDetector::cAudioVideoDetector(const char* Filename) : mResourceType(UPNP_RESOURCE_FILE) {
- this->mResource.Filename = Filename;
- this->init();
-}
-
-cAudioVideoDetector::cAudioVideoDetector(const cChannel* Channel) : mResourceType(UPNP_RESOURCE_CHANNEL) {
- this->mResource.Channel = Channel;
- this->init();
-}
-
-cAudioVideoDetector::cAudioVideoDetector(const cRecording* Recording) : mResourceType(UPNP_RESOURCE_RECORDING) {
- this->mResource.Recording = Recording;
- this->init();
-}
-
-cAudioVideoDetector::~cAudioVideoDetector(){
- this->uninit();
-}
-
-void cAudioVideoDetector::init(){
- this->mBitrate = 0;
- this->mBitsPerSample = 0;
- this->mColorDepth = 0;
- this->mDLNAProfile = NULL;
- this->mDuration = 0;
- this->mHeight = 0;
- this->mNrAudioChannels = 0;
- this->mSampleFrequency = 0;
- this->mSize = 0;
- this->mWidth = 0;
-}
-
-void cAudioVideoDetector::uninit(){
- this->mBitrate = 0;
- this->mBitsPerSample = 0;
- this->mColorDepth = 0;
- this->mDLNAProfile = NULL;
- this->mDuration = 0;
- this->mHeight = 0;
- this->mNrAudioChannels = 0;
- this->mSampleFrequency = 0;
- this->mSize = 0;
- this->mWidth = 0;
-}
-
-int cAudioVideoDetector::detectProperties(){
- int ret = 0;
- switch(this->mResourceType){
- case UPNP_RESOURCE_CHANNEL:
- ret = this->detectChannelProperties();
- break;
- case UPNP_RESOURCE_RECORDING:
- ret = this->detectRecordingProperties();
- break;
- case UPNP_RESOURCE_FILE:
- ret = this->detectFileProperties();
- break;
- default:
- WARNING("This resource type is not yet implemented.");
- ret = -1;
- break;
- }
-
- return ret;
-}
-
-int cAudioVideoDetector::detectChannelProperties(){
- MESSAGE(VERBOSE_METADATA, "Detecting channel properties");
-
- this->mBitrate = 0;
- this->mBitsPerSample = 0;
- this->mColorDepth = 0;
- this->mDuration = 0;
- this->mHeight = 0;
- this->mNrAudioChannels = 0;
- this->mSampleFrequency = 0;
- this->mSize = (off64_t)-1;
- this->mWidth = 0;
-
- switch(this->mResource.Channel->Vtype()){
- case 0x02:
- // MPEG2 Video
- this->mDLNAProfile = &DLNA_PROFILE_MPEG_TS_SD_EU_ISO;
- break;
- case 0x1B:
- this->mDLNAProfile = &DLNA_PROFILE_AVC_TS_HD_EU_ISO;
- break;
- default:
- ERROR("Unknown video type %d for channel %s!", this->mResource.Channel->Vtype(), this->mResource.Channel->Name());
- this->mDLNAProfile = NULL;
- return -1;
- }
-
- return 0;
-}
-
-int cAudioVideoDetector::detectRecordingProperties(){
-
- if(this->mResource.Recording->IsPesRecording()){
- ERROR("Sorry, PES Recordings are not supported");
- return -1;
- }
-
- int ret = 0;
- AVFormatContext *FormatCtx = NULL;
-
- cIndexFile* Index = new cIndexFile(this->mResource.Recording->FileName(), false, this->mResource.Recording->IsPesRecording());
- cFileName* RecFile = new cFileName(this->mResource.Recording->FileName(), false, false, this->mResource.Recording->IsPesRecording());
- if(Index && Index->Ok()){
- this->mDuration = (off64_t) (Index->Last() * AVDETECTOR_TIME_BASE / SecondsToFrames(1, this->mResource.Recording->FramesPerSecond()));
- MESSAGE(VERBOSE_METADATA,"Record length: %llds", this->mDuration);
-
- uint16_t FileNumber = 0;
- off_t FileOffset = 0;
-
- if(Index->Get(Index->Last()-1, &FileNumber, &FileOffset))
- for(int i = 0; i < FileNumber; i++){
- struct stat Stats;
- RecFile->SetOffset(i+1);
- stat(RecFile->Name(),&Stats);
- this->mSize += (off64_t) Stats.st_size;
- }
-
- av_register_all();
-
- if(!(ret = av_open_input_file(&FormatCtx, RecFile->Name(), NULL, 0, NULL))){
- if((ret = av_find_stream_info(FormatCtx))<0){
- ERROR("AVDetector: Cannot find the stream information");
- }
- else {
- if((ret = this->analyseVideo(FormatCtx))<0){
- ERROR("AVDetector: Error while analysing video");
- }
- if((ret = this->analyseAudio(FormatCtx))<0){
- ERROR("AVDetector: Error while analysing audio");
- }
- if((ret = this->detectDLNAProfile(FormatCtx)<0)){
- ERROR("AVDetector: Error while detecting DLNA Profile");
- }
- }
- }
- }
- else {
- ret = -1;
- }
-
- if(ret != 0){
- ERROR("Error occured while detecting properties");
- }
-
- delete RecFile;
- delete Index;
- av_free(FormatCtx);
-
- return ret;
-}
-
-int cAudioVideoDetector::detectFileProperties(){
- av_register_all();
-
- int ret = 0;
-
- AVFormatContext *FormatCtx = NULL;
-
- if(av_open_input_file(&FormatCtx, this->mResource.Filename, NULL, 0, NULL)){
- ERROR("AVDetector: Error while opening file %s", this->mResource.Filename);
- return -1;
- }
- else {
- if(av_find_stream_info(FormatCtx)<0){
- ERROR("AVDetector: Cannot find the stream information");
- return -1;
- }
- else {
- this->mSize = FormatCtx->file_size;
- this->mDuration = FormatCtx->duration;
-
- MESSAGE(VERBOSE_METADATA, "Format properties: %lld and %lld Bytes", this->mDuration, this->mSize);
-
- if((ret = this->analyseVideo(FormatCtx))<0){
- ERROR("AVDetector: Error while analysing video");
- return ret;
- }
- if((ret = this->analyseAudio(FormatCtx))<0){
- ERROR("AVDetector: Error while analysing audio");
- return ret;
- }
- if((ret = this->detectDLNAProfile(FormatCtx)<0)){
- ERROR("AVDetector: Error while detecting DLNA Profile");
- return ret;
- }
-
- return 0;
- }
- }
-}
-
-int cAudioVideoDetector::analyseVideo(AVFormatContext* FormatCtx)
-{
- AVCodecContext* VideoCodec = cCodecToolKit::getFirstCodecContext(FormatCtx, CODEC_TYPE_VIDEO);
-
- if(!VideoCodec){
- ERROR("AVDetector: codec not found");
- return -1;
- }
-
- AVCodec* Codec = avcodec_find_decoder(VideoCodec->codec_id);
-
- this->mWidth = VideoCodec->width;
- this->mHeight = VideoCodec->height;
- this->mBitrate = VideoCodec->bit_rate;
- this->mSampleFrequency = VideoCodec->sample_rate;
- this->mBitsPerSample = VideoCodec->bits_per_raw_sample;
-
- // TODO: what's the color depth of the stream
-
- const char* codecName = (Codec)?Codec->name:"unknown";
-
- MESSAGE(VERBOSE_METADATA, "AVDetector: %s-stream %dx%d at %d bit/s", codecName, this->mWidth, this->mHeight, this->mBitrate);
-
- return 0;
-}
-
-int cAudioVideoDetector::analyseAudio(AVFormatContext* FormatCtx){
- AVCodecContext* AudioCodec = cCodecToolKit::getFirstCodecContext(FormatCtx, CODEC_TYPE_AUDIO);
-
- if(!AudioCodec){
- ERROR("AVDetector: codec not found");
- return -1;
- }
-
- AVCodec* Codec = avcodec_find_decoder(AudioCodec->codec_id);
-
- this->mNrAudioChannels = AudioCodec->channels;
-
- const char* codecName = (Codec)?Codec->name:"unknown";
-
- MESSAGE(VERBOSE_METADATA, "AVDetector: %s-stream at %d bit/s", codecName, AudioCodec->bit_rate);
-
- return 0;
-}
-
-int cAudioVideoDetector::detectDLNAProfile(AVFormatContext* FormatCtx){
- DLNAProfile* Profile = MPEG2Profiler.probeDLNAProfile(FormatCtx);
- if(Profile!=NULL){
- this->mDLNAProfile = Profile;
- return 0;
- }
- return -1;
-}
-
-AVCodecContext* cCodecToolKit::getFirstCodecContext(AVFormatContext* FormatCtx, CodecType Type){
- return cCodecToolKit::getFirstStream(FormatCtx, Type)->codec;
-}
-
-AVStream* cCodecToolKit::getFirstStream(AVFormatContext* FormatCtx, CodecType Type){
- int Stream = -1; unsigned int i;
- for(i = 0; i < FormatCtx->nb_streams; i++){
- if(FormatCtx->streams[i]->codec->codec_type == Type){
- Stream = i;
- break;
- }
- }
- if(Stream == -1){
- ERROR("AVDetector: No matching stream found");
- return NULL;
- }
-
- return FormatCtx->streams[Stream];
-}
-
-bool cCodecToolKit::matchesAcceptedBitrates(AcceptedBitrates Bitrates, AVCodecContext* Codec){
- if(Codec){
- if(Bitrates.VBR){
- if(Bitrates.bitrates[0] <= Codec->bit_rate && Codec->bit_rate <= Bitrates.bitrates[1] ){
- return true;
- }
- else {
- return false;
- }
- }
- else {
- for(int i=0; Bitrates.bitrates[i]; i++){
- if(Codec->bit_rate == Bitrates.bitrates[i]){
- return true;
- }
- }
- return false;
- }
- }
-
- return false;
-}
-
-bool cCodecToolKit::matchesAcceptedSystemBitrate(AcceptedBitrates Bitrate, AVFormatContext* Format){
- if(Format){
- if(Bitrate.VBR){
- if(Bitrate.bitrates[0] <= Format->bit_rate && Format->bit_rate <= Bitrate.bitrates[1] ){
- return true;
- }
- else {
- return false;
- }
- }
- else {
- for(int i=0; Bitrate.bitrates[i]; i++){
- if(Format->bit_rate == Bitrate.bitrates[i]){
- return true;
- }
- }
- return false;
- }
- }
-
- return false;
-}
-
-bool cCodecToolKit::matchesAcceptedAudioChannels(AcceptedAudioChannels Channels, AVCodecContext* Codec){
- if(Codec){
- if(Codec->channels <= Channels.max_channels){
- if(Codec->channel_layout){
- for(int i=0; Channels.layouts[i]; i++){
- if(Channels.supportsLFE && Codec->channel_layout == (Channels.layouts[i]|CH_LOW_FREQUENCY)){
- return true;
- }
- else if(Codec->channel_layout == Channels.layouts[i]){
- return true;
- }
- }
- }
- else {
- return true;
- }
- }
- }
-
- return false;
-}
-
-bool cCodecToolKit::matchesAcceptedSamplingRates(AcceptedSamplingRates SamplingRates, AVCodecContext* Codec){
- if(Codec){
- for(int i=0; SamplingRates.rates[i]; i++){
- if(Codec->sample_rate == SamplingRates.rates[i]){
- return true;
- }
- }
- }
-
- return false;
-}
-
-bool cCodecToolKit::matchesAcceptedResolutions(AcceptedResolution *Resolutions, int Count, AVStream* Stream){
- if(Stream && Resolutions && Stream->codec){
- for(int i=0; i < Count; i++){
- if( Stream->codec->width == Resolutions[i].width &&
- Stream->codec->height == Resolutions[i].height &&
- Stream->r_frame_rate.num == Resolutions[i].fps &&
- Stream->r_frame_rate.den == Resolutions[i].multiplier
- ){
- return true;
- }
- }
- }
-
- return false;
-} \ No newline at end of file
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