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zeus/tools/player-video/appl/widget/VideoPlayer.cpp

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/** @file
* @author Edouard DUPIN
* @copyright 2016, Edouard DUPIN, all right reserved
* @license GPL v3 (see license file)
*/
#include <appl/debug.hpp>
#include <ewol/widget/Widget.hpp>
#include <appl/debug.hpp>
#include <appl/widget/VideoPlayer.hpp>
#include <ewol/object/Manager.hpp>
#include <etk/tool.hpp>
#include <egami/egami.hpp>
static void unPlanar(void* _buffer, int32_t _len, audio::format _format, int32_t _nbChannel) {
if (_nbChannel == 1) {
// nothing to do only one channel ...
return;
}
std::vector<uint8_t> tmpData;
tmpData.resize(_len);
memcpy(&tmpData[0], _buffer, _len);
// depend on the type of flow:
switch(_format) {
case audio::format_int8:
{
uint8_t* in = reinterpret_cast<uint8_t*>(&tmpData[0]);
uint8_t* out = reinterpret_cast<uint8_t*>(_buffer);
int32_t nbSample = _len/static_cast<int32_t>(sizeof(int8_t)*_nbChannel);
for (int32_t iii=0; iii<nbSample; ++iii) {
for (int32_t jjj=0; jjj<_nbChannel; ++jjj) {
out[iii*_nbChannel + jjj] = in[jjj*nbSample+iii];
}
}
return;
}
case audio::format_int16:
{
int16_t* in = reinterpret_cast<int16_t*>(&tmpData[0]);
int16_t* out = reinterpret_cast<int16_t*>(_buffer);
int32_t nbSample = _len/static_cast<int32_t>(sizeof(int16_t)*_nbChannel);
for (int32_t iii=0; iii<nbSample; ++iii) {
for (int32_t jjj=0; jjj<_nbChannel; ++jjj) {
out[iii*_nbChannel + jjj] = in[jjj*nbSample+iii];
}
}
return;
}
case audio::format_int32:
{
int32_t* in = reinterpret_cast<int32_t*>(&tmpData[0]);
int32_t* out = reinterpret_cast<int32_t*>(_buffer);
int32_t nbSample = _len/static_cast<int32_t>(sizeof(int32_t)*_nbChannel);
for (int32_t iii=0; iii<nbSample; ++iii) {
for (int32_t jjj=0; jjj<_nbChannel; ++jjj) {
out[iii*_nbChannel + jjj] = in[jjj*nbSample+iii];
}
}
return;
}
case audio::format_float:
{
float* in = reinterpret_cast<float*>(&tmpData[0]);
float* out = reinterpret_cast<float*>(_buffer);
int32_t nbSample = _len/static_cast<int32_t>(sizeof(float)*_nbChannel);
for (int32_t iii=0; iii<nbSample; ++iii) {
for (int32_t jjj=0; jjj<_nbChannel; ++jjj) {
out[iii*_nbChannel + jjj] = in[jjj*nbSample+iii];
}
}
// TODO : This is really bad ...
for (int32_t iii=0; iii<nbSample; ++iii) {
for (int32_t jjj=0; jjj<_nbChannel; ++jjj) {
if (jjj == 0) {
continue;
}
out[iii*_nbChannel + jjj] = out[iii*_nbChannel + 0];
}
}
return;
}
case audio::format_double:
{
double* in = reinterpret_cast<double*>(&tmpData[0]);
double* out = reinterpret_cast<double*>(_buffer);
int32_t nbSample = _len/static_cast<int32_t>(sizeof(double)*_nbChannel);
for (int32_t iii=0; iii<nbSample; ++iii) {
for (int32_t jjj=0; jjj<_nbChannel; ++jjj) {
out[iii*_nbChannel + jjj] = in[jjj*nbSample+iii];
}
}
return;
}
default:
break;
}
}
/**
* @brief get the next power 2 if the input
* @param[in] value Value that we want the next power of 2
* @return result value
*/
static int32_t nextP2(int32_t _value) {
int32_t val=1;
for (int32_t iii=1; iii<31; iii++) {
if (_value <= val) {
return val;
}
val *=2;
}
EWOL_CRITICAL("impossible CASE....");
return val;
}
void appl::BufferElementVideo::setSize(const ivec2& _size) {
if (m_imagerealSize != _size) {
// Resize the buffer:
m_imagerealSize = _size;
m_image.resize(ivec2(nextP2(_size.x()), nextP2(_size.y())));
m_lineSize = m_image.getSize().x() * 3; // 3 is for RGBA
//m_image.getSize();
}
}
void appl::BufferElementAudio::configure(audio::format _format, uint32_t _sampleRate, int32_t _nbChannel, int32_t _nbSample) {
// resize the buffer:
m_buffer.resize(_nbSample*_nbChannel*audio::getFormatBytes(_format));
m_format = _format;
m_sampleRate = _sampleRate;
m_map.resize(_nbChannel);
switch(_nbChannel) {
case 1:
m_map[0] = audio::channel_frontCenter;
break;
case 2:
m_map[0] = audio::channel_frontLeft;
m_map[1] = audio::channel_frontRight;
break;
case 3:
m_map[0] = audio::channel_frontLeft;
m_map[1] = audio::channel_lfe;
m_map[2] = audio::channel_frontRight;
break;
case 4:
m_map[0] = audio::channel_frontLeft;
m_map[1] = audio::channel_frontRight;
m_map[2] = audio::channel_rearLeft;
m_map[3] = audio::channel_rearRight;
break;
default:
APPL_ERROR("not supportef nbChannel" << _nbChannel);
}
}
appl::Decoder::Decoder() {
m_formatContext = nullptr;
m_videoDecoderContext = nullptr;
m_audioDecoderContext = nullptr;
m_size = ivec2(0,0);
m_videoStream = nullptr;
m_audioStream = nullptr;
m_videoDestinationRGBData[0] = nullptr;
m_videoStream_idx = -1;
m_audioStream_idx = -1;
m_frame = nullptr;
m_videoFrameCount = 0;
m_audioFrameCount = 0;
// output format convertion:
m_convertContext = nullptr;
m_audioPresent = false;
m_audioFormat = audio::format_unknow;
// Enable or disable frame reference counting.
// You are not supposed to support both paths in your application but pick the one most appropriate to your needs.
// Look for the use of refcount in this example to see what are the differences of API usage between them.
m_refCount = false;
}
int appl::Decoder::decode_packet(int *_gotFrame, int _cached) {
int ret = 0;
int decoded = m_packet.size;
*_gotFrame = 0;
if (m_packet.stream_index == m_videoStream_idx) {
// decode video frame
ret = avcodec_decode_video2(m_videoDecoderContext, m_frame, _gotFrame, &m_packet);
if (ret < 0) {
APPL_ERROR("Error decoding video frame (" << av_err2str(ret) << ")");
return ret;
}
if (*_gotFrame) {
if ( m_frame->width != m_size.x()
|| m_frame->height != m_size.y() ||
m_frame->format != m_pixelFormat) {
// To handle this change, one could call av_image_alloc again and decode the following frames into another rawvideo file.
APPL_ERROR("Width, height and pixel format have to be constant in a rawvideo file, but the width, height or pixel format of the input video changed:");
APPL_ERROR("old: size=" << m_size << " format=" << av_get_pix_fmt_name(m_pixelFormat));
APPL_ERROR("new: size=" << ivec2(m_frame->width,m_frame->height) << " format=" << av_get_pix_fmt_name((enum AVPixelFormat)m_frame->format));
return -1;
}
APPL_VERBOSE("video_frame " << (_cached?"(cached)":"")
<< " n=" << m_videoFrameCount
<< " coded_n=" << m_frame->coded_picture_number
<< " pts=" << av_ts2timestr(m_frame->pts, &m_videoDecoderContext->time_base));
m_videoFrameCount++;
int32_t slotId = videoGetEmptySlot();
if (slotId == -1) {
APPL_ERROR("an error occured when getting an empty slot for video");
} else {
m_videoPool[slotId].setSize(ivec2(m_frame->width, m_frame->height));
uint8_t* dataPointer = (uint8_t*)(m_videoPool[slotId].m_image.getTextureDataPointer());
// Convert Image in RGB:
sws_scale(m_convertContext,
(const uint8_t **)(m_frame->data),
m_frame->linesize,
0, m_frame->height,
&dataPointer,
&m_videoPool[slotId].m_lineSize);
m_videoPool[slotId].m_id = m_videoFrameCount;
m_videoPool[slotId].m_time = m_currentVideoTime;
m_videoPool[slotId].m_duration = echrono::Duration(0, 1000000000.0/float(getFps(m_videoDecoderContext)));
m_currentVideoTime += m_videoPool[slotId].m_duration;
m_videoPool[slotId].m_isUsed = true;
}
}
} else if (m_packet.stream_index == m_audioStream_idx) {
// decode audio frame
ret = avcodec_decode_audio4(m_audioDecoderContext, m_frame, _gotFrame, &m_packet);
if (ret < 0) {
APPL_ERROR("Error decoding audio frame (" << av_err2str(ret) << ")");
return ret;
}
// Some audio decoders decode only part of the packet, and have to be called again with the remainder of the packet data.
decoded = FFMIN(ret, m_packet.size);
if (*_gotFrame) {
APPL_VERBOSE("audio_frame " << (_cached?"(cached)":"")
<< " n=" << m_audioFrameCount
<< " nb_samples=" << m_frame->nb_samples
<< " pts=" << av_ts2timestr(m_frame->pts, &m_audioDecoderContext->time_base));
m_audioFrameCount++;
int32_t slotId = audioGetEmptySlot();
if (slotId == -1) {
APPL_ERROR("an error occured when getting an empty slot for audio");
} else {
//m_frame->channel_layout
bool isPlanar = false;
audio::format format = audio::format_unknow;
switch(m_frame->format) {
case AV_SAMPLE_FMT_U8P: isPlanar = true;
case AV_SAMPLE_FMT_U8: format = audio::format_int8; break;
case AV_SAMPLE_FMT_S16P: isPlanar = true;
case AV_SAMPLE_FMT_S16: format = audio::format_int16; break;
case AV_SAMPLE_FMT_S32P: isPlanar = true;
case AV_SAMPLE_FMT_S32: format = audio::format_int32; break;
case AV_SAMPLE_FMT_FLTP: isPlanar = true;
case AV_SAMPLE_FMT_FLT: format = audio::format_float; break;
case AV_SAMPLE_FMT_DBLP: isPlanar = true;
case AV_SAMPLE_FMT_DBL: format = audio::format_double; break;
}
if (format == audio::format_unknow) {
APPL_ERROR("Unsupported audio format :" << m_frame->format << " ...");
} else {
// configure Buffer:
m_audioPool[slotId].configure(format, m_frame->sample_rate, m_frame->channels, m_frame->nb_samples);
// TODO : Optimise buffer transfer
if (isPlanar == true) {
unPlanar(m_frame->extended_data[0], m_audioPool[slotId].m_buffer.size(), m_audioPool[slotId].m_format, m_frame->channels);
}
// inject data in the buffer:
memcpy(&m_audioPool[slotId].m_buffer[0], m_frame->extended_data[0], m_audioPool[slotId].m_buffer.size());
/*
size_t unPaddedLineSize = m_frame->nb_samples * av_get_bytes_per_sample((enum AVSampleFormat)m_frame->format);
if (unPaddedLineSize != m_audioPool[slotId].m_buffer.size()) {
APPL_CRITICAL("Wrong Size ... " << unPaddedLineSize << " " << m_audioPool[slotId].m_buffer.size());
}
*/
m_audioPool[slotId].m_id = m_audioFrameCount;
m_audioPool[slotId].m_time = m_currentAudioTime;
m_audioPool[slotId].m_duration = echrono::Duration(0,(1000000000.0*m_frame->nb_samples)/float(m_frame->sample_rate));
m_currentAudioTime += m_audioPool[slotId].m_duration;
m_audioPool[slotId].m_isUsed = true;
}
}
}
}
// If we use frame reference counting, we own the data and need to de-reference it when we don't use it anymore
if (*_gotFrame && m_refCount)
av_frame_unref(m_frame);
return decoded;
}
int appl::Decoder::open_codec_context(int *_streamId, AVFormatContext *_formatContext, enum AVMediaType _type) {
int ret = 0;
int stream_index = 0;
AVStream *st = nullptr;
AVCodecContext *dec_ctx = nullptr;
AVCodec *dec = nullptr;
AVDictionary *opts = nullptr;
ret = av_find_best_stream(_formatContext, _type, -1, -1, nullptr, 0);
if (ret < 0) {
APPL_ERROR("Could not find " << av_get_media_type_string(_type) << " stream in input file '" << m_sourceFilename << "'");
return ret;
} else {
stream_index = ret;
st = _formatContext->streams[stream_index];
// find decoder for the stream
dec_ctx = st->codec;
dec = avcodec_find_decoder(dec_ctx->codec_id);
if (!dec) {
APPL_ERROR("Failed to find " << av_get_media_type_string(_type) << " codec");
return AVERROR(EINVAL);
}
// Init the decoders, with or without reference counting
av_dict_set(&opts, "refcounted_frames", m_refCount ? "1" : "0", 0);
av_dict_set(&opts, "threads", "auto", 0);
if ((ret = avcodec_open2(dec_ctx, dec, &opts)) < 0) {
APPL_ERROR("Failed to open " << av_get_media_type_string(_type) << " codec");
return ret;
}
*_streamId = stream_index;
}
return 0;
}
double appl::Decoder::getFps(AVCodecContext *_avctx) {
return 1.0 / av_q2d(_avctx->time_base) / FFMAX(_avctx->ticks_per_frame, 1);
}
void appl::Decoder::init(const std::string& _filename) {
int ret = 0;
// Enable or disable refcount:
if (false) {
m_refCount = true;
}
m_sourceFilename = _filename;
// register all formats and codecs
av_register_all();
// open input file, and allocate format context
if (avformat_open_input(&m_formatContext, m_sourceFilename.c_str(), nullptr, nullptr) < 0) {
APPL_ERROR("Could not open source file " << m_sourceFilename);
exit(1);
}
// retrieve stream information
if (avformat_find_stream_info(m_formatContext, nullptr) < 0) {
APPL_ERROR("Could not find stream information");
exit(1);
}
// Open Video decoder:
if (open_codec_context(&m_videoStream_idx, m_formatContext, AVMEDIA_TYPE_VIDEO) >= 0) {
m_videoStream = m_formatContext->streams[m_videoStream_idx];
m_videoDecoderContext = m_videoStream->codec;
// allocate image where the decoded image will be put
m_size.setValue(m_videoDecoderContext->width, m_videoDecoderContext->height);
m_pixelFormat = m_videoDecoderContext->pix_fmt;
m_videoPool.resize(10);
// Create the video buffer for RGB mode:
ret = av_image_alloc(m_videoDestinationRGBData, m_videoDestinationRGBLineSize, m_size.x(), m_size.y(), AV_PIX_FMT_RGB24, 1);
if (ret < 0) {
APPL_ERROR("Could not allocate raw video buffer");
return; // TODO : An error occured ... !!!!!
}
m_videoDestinationRGBBufferSize = ret;
APPL_INFO("Open video stream with property: size=" << m_size << " pixel format=" << av_get_pix_fmt_name(m_pixelFormat) << " fps=" << getFps(m_videoDecoderContext) << " tick/frame=" << m_videoDecoderContext->ticks_per_frame);
// convert the image format:
m_convertContext = sws_getContext(m_size.x(), m_size.y(), m_pixelFormat,
m_size.x(), m_size.y(), AV_PIX_FMT_RGB24,
0, 0, 0, 0);
}
// Open Audio Decoder:
if (open_codec_context(&m_audioStream_idx, m_formatContext, AVMEDIA_TYPE_AUDIO) >= 0) {
m_audioPresent = true;
m_audioStream = m_formatContext->streams[m_audioStream_idx];
m_audioDecoderContext = m_audioStream->codec;
m_audioPool.resize(80);
// Number of channels: m_audioDecoderContext->channels
// Framerate: m_audioDecoderContext->sample_rate
APPL_INFO("Open audio stream with audio property: " << int32_t(m_audioDecoderContext->channels) << " channel(s) & samplerate=" << m_audioDecoderContext->sample_rate << " Hz");
//m_frame->channel_layout
bool isPlanar = false;
m_audioSampleRate = m_audioDecoderContext->sample_rate;
m_audioFormat = audio::format_unknow;
switch(m_audioDecoderContext->sample_fmt) {
case AV_SAMPLE_FMT_U8P:
case AV_SAMPLE_FMT_U8: m_audioFormat = audio::format_int8; break;
case AV_SAMPLE_FMT_S16P:
case AV_SAMPLE_FMT_S16: m_audioFormat = audio::format_int16; break;
case AV_SAMPLE_FMT_S32P:
case AV_SAMPLE_FMT_S32: m_audioFormat = audio::format_int32; break;
case AV_SAMPLE_FMT_FLTP:
case AV_SAMPLE_FMT_FLT: m_audioFormat = audio::format_float; break;
case AV_SAMPLE_FMT_DBLP:
case AV_SAMPLE_FMT_DBL: m_audioFormat = audio::format_double; break;
case AV_SAMPLE_FMT_NONE:
case AV_SAMPLE_FMT_NB:
m_audioFormat = audio::format_unknow;
break;
}
// TODO : Do it better:
m_audioMap.resize(m_audioDecoderContext->channels);
switch(m_audioDecoderContext->channels) {
case 1:
m_audioMap[0] = audio::channel_frontCenter;
break;
case 2:
m_audioMap[0] = audio::channel_frontLeft;
m_audioMap[1] = audio::channel_frontRight;
break;
case 3:
m_audioMap[0] = audio::channel_frontLeft;
m_audioMap[1] = audio::channel_lfe;
m_audioMap[2] = audio::channel_frontRight;
break;
case 4:
m_audioMap[0] = audio::channel_frontLeft;
m_audioMap[1] = audio::channel_frontRight;
m_audioMap[2] = audio::channel_rearLeft;
m_audioMap[3] = audio::channel_rearRight;
break;
default:
APPL_ERROR("not supportef nbChannel " << m_audioDecoderContext->channels);
}
APPL_PRINT("Audio configuration : " << m_audioMap << " " << m_audioFormat << " sampleRate=" <<m_audioSampleRate);
}
// dump input information to stderr
av_dump_format(m_formatContext, 0, m_sourceFilename.c_str(), 0);
if (!m_audioStream && !m_videoStream) {
APPL_ERROR("Could not find audio or video stream in the input, aborting");
ret = 1;
return; // TODO : An error occured ... !!!!!
}
m_frame = av_frame_alloc();
if (!m_frame) {
APPL_ERROR("Could not allocate frame");
ret = AVERROR(ENOMEM);
return; // TODO : An error occured ... !!!!!
}
// initialize packet, set data to nullptr, let the demuxer fill it
av_init_packet(&m_packet);
m_packet.data = nullptr;
m_packet.size = 0;
}
bool appl::Decoder::onThreadCall() {
// check if we have space to decode data
if ( ( m_videoPool.size() != 0
&& videoGetEmptySlot() == -1)
|| ( m_audioPool.size() != 0
&& audioGetEmptySlot() == -1)
) {
// take some time to sleep the decoding ...
std::this_thread::sleep_for(std::chrono::milliseconds(60/25));
return false;
}
APPL_VERBOSE("Work on decoding");
int gotFrame;
// read frames from the file
int ret = av_read_frame(m_formatContext, &m_packet);
if (ret >= 0) {
AVPacket orig_pkt = m_packet;
do {
ret = decode_packet(&gotFrame, 0);
if (ret < 0) {
break;
}
m_packet.data += ret;
m_packet.size -= ret;
} while (m_packet.size > 0);
av_packet_unref(&orig_pkt);
}
return (ret < 0);
}
void appl::Decoder::uninit() {
// flush cached frames
m_packet.data = nullptr;
m_packet.size = 0;
int gotFrame;
do {
decode_packet(&gotFrame, 1);
} while (gotFrame);
APPL_PRINT("Demuxing & Decoding succeeded...");
avcodec_close(m_videoDecoderContext);
avcodec_close(m_audioDecoderContext);
avformat_close_input(&m_formatContext);
av_frame_free(&m_frame);
av_free(m_videoDestinationRGBData[0]);
}
int32_t appl::Decoder::videoGetEmptySlot() {
for (int32_t iii=0; iii<m_videoPool.size(); ++iii) {
if (m_videoPool[iii].m_isUsed == false) {
return iii;
}
}
return -1;
}
int32_t appl::Decoder::audioGetEmptySlot() {
for (int32_t iii=0; iii<m_audioPool.size(); ++iii) {
if (m_audioPool[iii].m_isUsed == false) {
return iii;
}
}
return -1;
}
int32_t appl::Decoder::videoGetOlderSlot() {
int32_t smallerId = 0x7FFFFFFE;
int32_t findId = -1;
for (int32_t iii=0; iii<m_videoPool.size(); ++iii) {
if ( m_videoPool[iii].m_isUsed == true
&& smallerId > m_videoPool[iii].m_id) {
smallerId = m_videoPool[iii].m_id;
findId = iii;
}
}
return findId;
}
int32_t appl::Decoder::audioGetOlderSlot() {
int32_t smallerId = 0x7FFFFFFF;
int32_t findId = -1;
for (int32_t iii=0; iii<m_audioPool.size(); ++iii) {
if ( m_audioPool[iii].m_isUsed == true
&& smallerId > m_audioPool[iii].m_id) {
smallerId = m_audioPool[iii].m_id;
findId = iii;
}
}
return findId;
}
// VBO table property:
const int32_t appl::widget::VideoDisplay::m_vboIdCoord(0);
const int32_t appl::widget::VideoDisplay::m_vboIdCoordTex(1);
const int32_t appl::widget::VideoDisplay::m_vboIdColor(2);
#define NB_VBO (3)
appl::widget::VideoDisplay::VideoDisplay() {
addObjectType("appl::widget::VideoDisplay");
m_color = etk::color::white;
m_nbFramePushed = 0;
m_isPalying = false;
}
void appl::widget::VideoDisplay::init() {
ewol::Widget::init();
markToRedraw();
// set call all time (sample ...).
getObjectManager().periodicCall.connect(sharedFromThis(), &appl::widget::VideoDisplay::periodicEvent);
// Create the VBO:
m_VBO = gale::resource::VirtualBufferObject::create(NB_VBO);
if (m_VBO == nullptr) {
APPL_ERROR("can not instanciate VBO ...");
return;
}
m_VBO->setName("[VBO] of appl::widget::VideoDisplay");
loadProgram();
m_matrixApply.identity();
// By default we load a graphic resource ...
if (m_resource == nullptr) {
m_resource = ewol::resource::Texture::create();
if (m_resource == nullptr) {
EWOL_ERROR("Can not CREATE Image resource");
return;
}
// All time need to configure in RGB, By default it is in RGBA ...
m_resource->get().configure(ivec2(128,128), egami::colorType::RGB8);
}
// Create the River manager for tha application or part of the application.
m_audioManager = audio::river::Manager::create("river_sample_read");
//! [audio_river_sample_create_write_interface]
}
appl::widget::VideoDisplay::~VideoDisplay() {
}
void appl::widget::VideoDisplay::loadProgram() {
// get the shader resource:
m_GLPosition = 0;
m_GLprogram.reset();
m_GLprogram = gale::resource::Program::create("{ewol}DATA:textured3D.prog");
if (m_GLprogram != nullptr) {
m_GLPosition = m_GLprogram->getAttribute("EW_coord3d");
m_GLColor = m_GLprogram->getAttribute("EW_color");
m_GLtexture = m_GLprogram->getAttribute("EW_texture2d");
m_GLMatrix = m_GLprogram->getUniform("EW_MatrixTransformation");
m_GLtexID = m_GLprogram->getUniform("EW_texID");
}
}
void appl::widget::VideoDisplay::setFile(const std::string& _filename) {
m_decoder.init(_filename);
if (m_decoder.haveAudio() == true) {
//Get the generic input:
m_audioInterface = m_audioManager->createOutput(m_decoder.audioGetSampleRate(),
m_decoder.audioGetChannelMap(),
m_decoder.audioGetFormat(),
"speaker");
if(m_audioInterface == nullptr) {
APPL_ERROR("Can not creata Audio interface");
}
m_audioInterface->setReadwrite();
m_audioInterface->start();
}
m_decoder.start();
m_audioManager->generateDotAll("out/local_player_flow.dot");
markToRedraw();
}
bool appl::widget::VideoDisplay::isPlaying() {
return m_isPalying;
}
void appl::widget::VideoDisplay::play() {
m_isPalying = true;
}
void appl::widget::VideoDisplay::pause() {
m_isPalying = false;
}
void appl::widget::VideoDisplay::onDraw() {
if (m_VBO->bufferSize(m_vboIdCoord) <= 0) {
APPL_WARNING("Nothink to draw...");
return;
}
if (m_resource == nullptr) {
// this is a normale case ... the user can choice to have no image ...
return;
}
if (m_GLprogram == nullptr) {
APPL_ERROR("No shader ...");
return;
}
//APPL_WARNING("Display image : " << m_VBO->bufferSize(m_vboIdCoord));
gale::openGL::disable(gale::openGL::flag_depthTest);
// set Matrix : translation/positionMatrix
mat4 tmpMatrix = gale::openGL::getMatrix()*m_matrixApply;
m_GLprogram->use();
m_GLprogram->uniformMatrix(m_GLMatrix, tmpMatrix);
// TextureID
if (m_resource != nullptr) {
m_GLprogram->setTexture0(m_GLtexID, m_resource->getRendererId());
}
// position:
m_GLprogram->sendAttributePointer(m_GLPosition, m_VBO, m_vboIdCoord);
// Texture:
m_GLprogram->sendAttributePointer(m_GLtexture, m_VBO, m_vboIdCoordTex);
// color:
m_GLprogram->sendAttributePointer(m_GLColor, m_VBO, m_vboIdColor);
// Request the draw of the elements:
gale::openGL::drawArrays(gale::openGL::renderMode::triangle, 0, m_VBO->bufferSize(m_vboIdCoord));
m_GLprogram->unUse();
}
void appl::widget::VideoDisplay::printPart(const vec2& _size,
const vec2& _sourcePosStart,
const vec2& _sourcePosStop) {
//EWOL_ERROR("Debug image " << m_filename << " ==> " << m_position << " " << _size << " " << _sourcePosStart << " " << _sourcePosStop);
vec3 point = m_position;
vec2 tex(_sourcePosStart.x(),_sourcePosStop.y());
m_VBO->pushOnBuffer(m_vboIdCoord, point);
m_VBO->pushOnBuffer(m_vboIdCoordTex, tex);
m_VBO->pushOnBuffer(m_vboIdColor, m_color);
tex.setValue(_sourcePosStop.x(),_sourcePosStop.y());
point.setX(m_position.x() + _size.x());
point.setY(m_position.y());
m_VBO->pushOnBuffer(m_vboIdCoord, point);
m_VBO->pushOnBuffer(m_vboIdCoordTex, tex);
m_VBO->pushOnBuffer(m_vboIdColor, m_color);
tex.setValue(_sourcePosStop.x(),_sourcePosStart.y());
point.setX(m_position.x() + _size.x());
point.setY(m_position.y() + _size.y());
m_VBO->pushOnBuffer(m_vboIdCoord, point);
m_VBO->pushOnBuffer(m_vboIdCoordTex, tex);
m_VBO->pushOnBuffer(m_vboIdColor, m_color);
m_VBO->pushOnBuffer(m_vboIdCoord, point);
m_VBO->pushOnBuffer(m_vboIdCoordTex, tex);
m_VBO->pushOnBuffer(m_vboIdColor, m_color);
tex.setValue(_sourcePosStart.x(),_sourcePosStart.y());
point.setX(m_position.x());
point.setY(m_position.y() + _size.y());
m_VBO->pushOnBuffer(m_vboIdCoord, point);
m_VBO->pushOnBuffer(m_vboIdCoordTex, tex);
m_VBO->pushOnBuffer(m_vboIdColor, m_color);
tex.setValue(_sourcePosStart.x(),_sourcePosStop.y());
point.setX(m_position.x());
point.setY(m_position.y());
m_VBO->pushOnBuffer(m_vboIdCoord, point);
m_VBO->pushOnBuffer(m_vboIdCoordTex, tex);
m_VBO->pushOnBuffer(m_vboIdColor, m_color);
m_VBO->flush();
}
void appl::widget::VideoDisplay::onRegenerateDisplay() {
//!< Check if we really need to redraw the display, if not needed, we redraw the previous data ...
if (needRedraw() == false) {
return;
}
// remove previous data
m_VBO->clear();
// set the somposition properties :
m_position = vec3(0,0,0);
printPart(m_size, vec2(0,0), vec2(float(m_videoSize.x())/float(m_imageSize.x()), float(m_videoSize.y())/float(m_imageSize.y())));
}
void appl::widget::VideoDisplay::periodicEvent(const ewol::event::Time& _event) {
if (m_isPalying == true) {
m_currentTime += _event.getDeltaCallDuration();
}
// SET AUDIO:
int32_t idSlot = m_decoder.audioGetOlderSlot();
if ( idSlot != -1
&& m_currentTime > m_decoder.m_audioPool[idSlot].m_time) {
int32_t nbSample = m_decoder.m_audioPool[idSlot].m_buffer.size()
/ audio::getFormatBytes(m_decoder.m_audioPool[idSlot].m_format)
/ m_decoder.m_audioPool[idSlot].m_map.size();
m_audioInterface->write(&m_decoder.m_audioPool[idSlot].m_buffer[0], nbSample);
m_decoder.m_audioPool[idSlot].m_isUsed = false;
}
// SET VIDEO:
idSlot = m_decoder.videoGetOlderSlot();
// check the slot is valid and check display time of the element:
if ( idSlot != -1
&& m_currentTime > m_decoder.m_videoPool[idSlot].m_time) {
m_resource->get().swap(m_decoder.m_videoPool[idSlot].m_image);
m_imageSize = m_resource->get().getSize();
ivec2 tmpSize = m_decoder.m_videoPool[idSlot].m_imagerealSize;
m_decoder.m_videoPool[idSlot].m_imagerealSize = m_videoSize;
m_videoSize = tmpSize;
m_decoder.m_videoPool[idSlot].m_isUsed = false;
m_resource->flush();
m_nbFramePushed++;
}
// Display FPS ...
m_LastResetCounter += _event.getDeltaCallDuration();
if (m_LastResetCounter > echrono::seconds(1)) {
m_LastResetCounter.reset();
signalFps.emit(m_nbFramePushed);
m_nbFramePushed = 0;
}
markToRedraw();
}
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