Use TouchGFX
This commit is contained in:
@ -0,0 +1,9 @@
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/*********************************************************************************/
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/********** THIS FILE IS GENERATED BY TOUCHGFX DESIGNER, DO NOT MODIFY ***********/
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/*********************************************************************************/
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#include <touchgfx/hal/HAL.hpp>
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#include <touchgfx/lcd/LCD.hpp>
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void setupSimulator(int argc, char** argv, touchgfx::HAL& hal);
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touchgfx::LCD& setupLCD();
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@ -0,0 +1,354 @@
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/*********************************************************************************/
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/********** THIS FILE IS GENERATED BY TOUCHGFX DESIGNER, DO NOT MODIFY ***********/
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/*********************************************************************************/
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#ifndef TOUCHGFX_DIRECTFRAMEBUFFERVIDEOCONTROLLER_HPP
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#define TOUCHGFX_DIRECTFRAMEBUFFERVIDEOCONTROLLER_HPP
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#include <touchgfx/widgets/VideoWidget.hpp>
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#include <simulator/video/MJPEGDecoder.hpp>
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#include <string.h>
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/**
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* Strategy:
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* Decode directly into the framebuffer in draw.
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* Tick will decide if we are going to a new frame.
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*/
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template <uint32_t no_streams, touchgfx::Bitmap::BitmapFormat output_format>
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class DirectFrameBufferVideoController : public touchgfx::VideoController
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{
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public:
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DirectFrameBufferVideoController()
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: VideoController(), allowSkipFrames(true)
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{
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assert((no_streams > 0) && "Video: Number of streams zero!");
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// Clear arrays
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memset(mjpegDecoders, 0, sizeof(mjpegDecoders));
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}
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Handle registerVideoWidget(touchgfx::VideoWidget& widget)
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{
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// Find stream handle for Widget
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Handle handle = getFreeHandle();
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streams[handle].isActive = true;
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//Set Widget buffer format and address
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widget.setVideoBufferFormat(output_format, 0, 0);
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widget.setVideoBuffer((uint8_t*)0);
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return handle;
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}
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void unregisterVideoWidget(const Handle handle)
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{
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streams[handle].isActive = false;
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}
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void setFrameRate(const Handle handle, uint32_t ui_frames, uint32_t video_frames)
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{
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assert(handle < no_streams);
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Stream& stream = streams[handle];
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// Reset counters
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stream.frameCount = 0;
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stream.tickCount = 0;
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// Save requested frame rate ratio
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stream.frame_rate_ticks = ui_frames;
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stream.frame_rate_video = video_frames;
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}
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void setVideoData(const Handle handle, const uint8_t* movie, const uint32_t length)
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{
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assert(handle < no_streams);
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// Reset decoder to first frame
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mjpegDecoders[handle]->setVideoData(movie, length);
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// Lower flag to show the first frame
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Stream& stream = streams[handle];
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stream.frameNumber = mjpegDecoders[handle]->getCurrentFrameNumber();
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stream.doDecodeNextFrame = false;
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// Stop playing
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setCommand(handle, PAUSE, 0);
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}
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void setVideoData(const Handle handle, touchgfx::VideoDataReader& reader)
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{
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assert(handle < no_streams);
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// Reset decoder to first frame
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mjpegDecoders[handle]->setVideoData(reader);
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// Lower flag to show the first frame
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Stream& stream = streams[handle];
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stream.frameNumber = mjpegDecoders[handle]->getCurrentFrameNumber();
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stream.doDecodeNextFrame = false;
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// Stop playing
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setCommand(handle, PAUSE, 0);
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}
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void setCommand(const Handle handle, Command cmd, uint32_t param)
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{
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assert(handle < no_streams);
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Stream& stream = streams[handle];
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switch (cmd)
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{
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case PLAY:
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// Cannot Play without movie
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if (mjpegDecoders[handle]->hasVideo())
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{
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stream.isPlaying = true;
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stream.isShowingOneFrame = false;
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// Reset counters
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stream.frameCount = 0;
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stream.tickCount = 0;
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// If non-repeating video stopped at the end, kick to next frame
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if (!stream.repeat)
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{
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MJPEGDecoder* const decoder = mjpegDecoders[handle];
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if (decoder->getCurrentFrameNumber() == decoder->getNumberOfFrames())
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{
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decoder->gotoNextFrame();
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}
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}
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}
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break;
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case PAUSE:
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stream.isPlaying = false;
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stream.isShowingOneFrame = false;
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break;
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case SEEK:
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stream.seek_to_frame = param;
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// Reset counters
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stream.frameCount = 0;
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stream.tickCount = 0;
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break;
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case SHOW:
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stream.seek_to_frame = param;
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stream.isShowingOneFrame = true;
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stream.doDecodeNextFrame = true;
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// Reset counters
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stream.frameCount = 0;
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stream.tickCount = 0;
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break;
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case STOP:
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stream.isPlaying = false;
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stream.isShowingOneFrame = false;
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stream.seek_to_frame = 1;
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// Reset counters
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stream.frameCount = 0;
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stream.tickCount = 0;
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break;
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case SET_REPEAT:
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stream.repeat = (param > 0);
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break;
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}
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}
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bool updateFrame(const Handle handle, touchgfx::VideoWidget& widget)
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{
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assert(handle < no_streams);
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Stream& stream = streams[handle];
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bool hasMoreFrames = true;
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if (stream.isPlaying || stream.isShowingOneFrame)
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{
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// Increase tickCount
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stream.tickCount+=HAL::getInstance()->getLCDRefreshCount();
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// Lower flag
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stream.isShowingOneFrame = false;
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if (stream.doDecodeNextFrame)
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{
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MJPEGDecoder* const decoder = mjpegDecoders[handle];
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// Invalidate to get widget redrawn
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widget.invalidate();
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// Seek or increment video frame
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if (stream.seek_to_frame > 0)
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{
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decoder->gotoFrame(stream.seek_to_frame);
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hasMoreFrames = (stream.seek_to_frame < decoder->getNumberOfFrames());
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stream.seek_to_frame = 0;
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}
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else
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{
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if (stream.skip_frames > 0)
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{
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decoder->gotoFrame(decoder->getCurrentFrameNumber() + stream.skip_frames);
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stream.frameCount += stream.skip_frames;
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stream.skip_frames = 0;
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}
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if (stream.repeat)
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{
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hasMoreFrames = decoder->gotoNextFrame();
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}
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else
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{
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if (decoder->getCurrentFrameNumber() < decoder->getNumberOfFrames())
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{
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hasMoreFrames = decoder->gotoNextFrame();
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}
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else
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{
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stream.isPlaying = false;
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hasMoreFrames = false;
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}
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}
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}
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stream.frameNumber = decoder->getCurrentFrameNumber();
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stream.frameCount++;
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}
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// Save decode status for next frame
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stream.doDecodeNextFrame = decodeForNextTick(stream);
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}
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return hasMoreFrames;
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}
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void draw(const Handle handle, const touchgfx::Rect& invalidatedArea, const touchgfx::VideoWidget& widget)
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{
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assert(handle < no_streams);
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if (output_format != Bitmap::RGB565 && output_format != Bitmap::RGB888 && output_format != Bitmap::ARGB8888)
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{
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return;
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}
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if (mjpegDecoders[handle]->hasVideo())
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{
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uint8_t* wbuf = (uint8_t*)touchgfx::HAL::getInstance()->lockFrameBuffer();
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const touchgfx::Rect& absolute = widget.getAbsoluteRect();
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// Get frame buffer pointer to upper left of widget in framebuffer coordinates
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switch(output_format)
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{
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case Bitmap::RGB565:
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wbuf += (absolute.x + absolute.y * touchgfx::HAL::FRAME_BUFFER_WIDTH) * 2;
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break;
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case Bitmap::RGB888:
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wbuf += (absolute.x + absolute.y * touchgfx::HAL::FRAME_BUFFER_WIDTH) * 3;
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break;
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case Bitmap::ARGB8888:
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wbuf += (absolute.x + absolute.y * touchgfx::HAL::FRAME_BUFFER_WIDTH) * 4;
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break;
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default:
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break;
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}
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// Decode relevant part of the frame to the framebuffer
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mjpegDecoders[handle]->decodeFrame(invalidatedArea, wbuf, touchgfx::HAL::FRAME_BUFFER_WIDTH);
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// Release frame buffer
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touchgfx::HAL::getInstance()->unlockFrameBuffer();
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}
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}
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void addDecoder(MJPEGDecoder& decoder, uint32_t index)
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{
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assert(index < no_streams);
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mjpegDecoders[index] = &decoder;
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}
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uint32_t getCurrentFrameNumber(const Handle handle)
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{
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assert(handle < no_streams);
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Stream& stream = streams[handle];
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return stream.frameNumber;
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}
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void getVideoInformation(const Handle handle, touchgfx::VideoInformation* data)
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{
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assert(handle < no_streams);
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mjpegDecoders[handle]->getVideoInfo(data);
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}
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bool getIsPlaying(const Handle handle)
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{
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assert(handle < no_streams);
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Stream& stream = streams[handle];
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return stream.isPlaying;
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}
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void setFrameRateCompensation(const bool allow)
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{
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allowSkipFrames = allow;
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}
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private:
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class Stream
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{
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public:
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Stream()
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: frameCount(0), frameNumber(0), tickCount(0),
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frame_rate_video(0), frame_rate_ticks(0),
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seek_to_frame(0),
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isActive(false), isPlaying(false), isShowingOneFrame(false), repeat(true),
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doDecodeNextFrame(false)
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{
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}
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uint32_t frameCount; // Video frames decoded since play
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uint32_t frameNumber; // Video frame showed number
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uint32_t tickCount; // UI frames since play
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uint32_t frame_rate_video; // Ratio of frames wanted counter
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uint32_t frame_rate_ticks; // Ratio of frames wanted divider
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uint32_t seek_to_frame; // Requested next frame number
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uint32_t skip_frames; // Number of frames to skip to keep frame rate
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bool isActive;
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bool isPlaying;
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bool isShowingOneFrame;
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bool repeat;
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bool doDecodeNextFrame; // High if we should go to next frame in next tick
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};
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MJPEGDecoder* mjpegDecoders[no_streams];
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Stream streams[no_streams];
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bool allowSkipFrames;
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/**
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* Return true, if new video frame should be decoded for the next tick (keep video decode framerate low)
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*/
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bool decodeForNextTick(Stream& stream)
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{
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// Running in UI thread
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// Compare tickCount/frameNumber to frame_rate_ticks/frame_rate_video
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if ((stream.tickCount * stream.frame_rate_video) > (stream.frame_rate_ticks * stream.frameCount))
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{
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if (allowSkipFrames)
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{
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stream.skip_frames = (stream.tickCount * stream.frame_rate_video - stream.frame_rate_ticks * stream.frameCount) / stream.frame_rate_ticks;
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if (stream.skip_frames > 0)
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{
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stream.skip_frames--;
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}
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}
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return true;
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}
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return false;
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}
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Handle getFreeHandle()
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{
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for (uint32_t i = 0; i < no_streams; i++)
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{
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if (streams[i].isActive == false)
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{
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return static_cast<VideoController::Handle>(i);
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}
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}
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assert(0 && "Unable to find free video stream handle!");
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return static_cast<VideoController::Handle>(0);
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}
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};
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#endif // TOUCHGFX_DIRECTFRAMEBUFFERVIDEOCONTROLLER_HPP
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@ -0,0 +1,75 @@
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||||
/*********************************************************************************/
|
||||
/********** THIS FILE IS GENERATED BY TOUCHGFX DESIGNER, DO NOT MODIFY ***********/
|
||||
/*********************************************************************************/
|
||||
#ifndef TOUCHGFX_MJPEGDECODER_HPP
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#define TOUCHGFX_MJPEGDECODER_HPP
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#include <touchgfx/hal/Types.hpp>
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#include <touchgfx/hal/VideoController.hpp>
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class MJPEGDecoder
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{
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public:
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virtual ~MJPEGDecoder()
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{
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}
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//Set video data for the decoder
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virtual void setVideoData(const uint8_t* movie, const uint32_t length) = 0;
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//Set video data for the decoder
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virtual void setVideoData(touchgfx::VideoDataReader& reader) = 0;
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/**
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* Check if MJPEGDecoder has a video.
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*
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* @return Returns true if the MJPEGDecoder has a video.
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*/
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virtual bool hasVideo() = 0;
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//Increment position to next frame and decode and convert to RGB
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virtual bool decodeNextFrame(uint8_t* buffer, uint16_t width, uint16_t height, uint32_t stride) = 0;
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|
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//Increment position to next frame and decode. Used with decodeFrame.
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virtual bool gotoNextFrame() = 0;
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|
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//Decode part of the current frame, framebuffer is locked, area is drawn relative to frameBuffer
|
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virtual bool decodeFrame(const touchgfx::Rect& area, uint8_t* frameBuffer, uint32_t framebufferStride) = 0;
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|
||||
//Decode thumbnail, assumes buffer stride is width
|
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virtual bool decodeThumbnail(uint32_t frameno, uint8_t* buffer, uint16_t width, uint16_t height) = 0;
|
||||
|
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//Set current frame number
|
||||
virtual void gotoFrame(uint32_t frameno) = 0;
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||||
|
||||
//Get current frame number
|
||||
virtual uint32_t getCurrentFrameNumber() const = 0;
|
||||
|
||||
//Get number of frames in video
|
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virtual uint32_t getNumberOfFrames() = 0;
|
||||
|
||||
//Read video information
|
||||
virtual void getVideoInfo(touchgfx::VideoInformation* data) = 0;
|
||||
|
||||
enum AVIErrors
|
||||
{
|
||||
AVI_NO_ERROR,
|
||||
AVI_NO_BUFFERS,
|
||||
AVI_NO_FILE,
|
||||
AVI_ERROR_NOT_RIFF,
|
||||
AVI_ERROR_AVI_HEADER_NOT_FOUND,
|
||||
AVI_ERROR_AVI_LIST_NOT_FOUND,
|
||||
AVI_ERROR_AVI_HDRL_NOT_FOUND,
|
||||
AVI_ERROR_AVI_AVIH_NOT_FOUND,
|
||||
AVI_ERROR_AVI_HEADER_TO_SHORT, //not full header provided
|
||||
AVI_ERROR_FILE_BUFFER_TO_SMALL,
|
||||
AVI_ERROR_MOVI_NOT_FOUND,
|
||||
AVI_ERROR_IDX1_NOT_FOUND,
|
||||
AVI_ERROR_FRAMENO_TO_HIGH,
|
||||
AVI_ERROR_EOF_REACHED
|
||||
};
|
||||
|
||||
AVIErrors virtual getLastError() = 0;
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||||
};
|
||||
|
||||
#endif // TOUCHGFX_MJPEGDECODER_HPP
|
||||
@ -0,0 +1,73 @@
|
||||
/*********************************************************************************/
|
||||
/********** THIS FILE IS GENERATED BY TOUCHGFX DESIGNER, DO NOT MODIFY ***********/
|
||||
/*********************************************************************************/
|
||||
#ifndef TOUCHGFX_SOFTWAREMJPEGDECODER_HPP
|
||||
#define TOUCHGFX_SOFTWAREMJPEGDECODER_HPP
|
||||
|
||||
#include <simulator/video/MJPEGDecoder.hpp>
|
||||
|
||||
class SoftwareMJPEGDecoder : public MJPEGDecoder
|
||||
{
|
||||
public:
|
||||
SoftwareMJPEGDecoder(uint8_t* linebuffer);
|
||||
|
||||
virtual void setVideoData(const uint8_t* movie, const uint32_t length);
|
||||
|
||||
virtual void setVideoData(touchgfx::VideoDataReader& reader);
|
||||
|
||||
virtual bool hasVideo();
|
||||
|
||||
virtual bool decodeNextFrame(uint8_t* frameBuffer, uint16_t width, uint16_t height, uint32_t framebuffer_width);
|
||||
|
||||
virtual bool gotoNextFrame();
|
||||
|
||||
virtual bool decodeFrame(const touchgfx::Rect& area, uint8_t* frameBuffer, uint32_t framebuffer_width);
|
||||
|
||||
virtual bool decodeThumbnail(uint32_t frameno, uint8_t* buffer, uint16_t width, uint16_t height);
|
||||
|
||||
virtual void gotoFrame(uint32_t frameno);
|
||||
|
||||
virtual uint32_t getCurrentFrameNumber() const
|
||||
{
|
||||
return frameNumber;
|
||||
}
|
||||
|
||||
virtual uint32_t getNumberOfFrames();
|
||||
|
||||
virtual void getVideoInfo(touchgfx::VideoInformation* data);
|
||||
|
||||
void setAVIFileBuffer(uint8_t* buffer, uint32_t size)
|
||||
{
|
||||
aviBuffer = buffer, aviBufferLength = size;
|
||||
}
|
||||
|
||||
AVIErrors getLastError()
|
||||
{
|
||||
return lastError;
|
||||
}
|
||||
|
||||
private:
|
||||
void readVideoHeader();
|
||||
void decodeMJPEGFrame(const uint8_t* const mjpgdata, const uint32_t length, uint8_t* buffer, uint16_t width, uint16_t height, uint32_t stride);
|
||||
int compare(const uint32_t offset, const char* str, uint32_t num);
|
||||
uint32_t getU32(const uint32_t offset);
|
||||
uint32_t getU16(const uint32_t offset);
|
||||
const uint8_t* readData(uint32_t offset, uint32_t length);
|
||||
|
||||
touchgfx::VideoInformation videoInfo;
|
||||
uint32_t frameNumber;
|
||||
uint32_t currentMovieOffset;
|
||||
uint32_t indexOffset;
|
||||
uint32_t firstFrameOffset;
|
||||
uint32_t lastFrameEnd;
|
||||
uint32_t movieLength;
|
||||
const uint8_t* movieData;
|
||||
touchgfx::VideoDataReader* reader;
|
||||
uint8_t* lineBuffer;
|
||||
uint8_t* aviBuffer;
|
||||
uint32_t aviBufferLength;
|
||||
uint32_t aviBufferStartOffset;
|
||||
AVIErrors lastError;
|
||||
};
|
||||
|
||||
#endif // TOUCHGFX_SOFTWAREMJPEGDECODER_HPP
|
||||
Reference in New Issue
Block a user