OpenShot Library | libopenshot
0.2.5
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31 #ifndef OPENSHOT_FRAME_H
32 #define OPENSHOT_FRAME_H
37 #include <QtWidgets/QApplication>
38 #include <QtGui/QImage>
39 #include <QtGui/QColor>
40 #include <QtGui/QBitmap>
41 #include <QtCore/QString>
42 #include <QtCore/QVector>
43 #include <QtGui/QPainter>
44 #include <QtWidgets/QHBoxLayout>
45 #include <QtWidgets/QWidget>
46 #include <QtWidgets/QLabel>
54 #include "JuceHeader.h"
55 #ifdef USE_IMAGEMAGICK
109 std::shared_ptr<QImage> image;
110 std::shared_ptr<QImage> wave_image;
111 std::shared_ptr<juce::AudioSampleBuffer> audio;
112 std::shared_ptr<QApplication> previewApp;
113 juce::CriticalSection addingImageSection;
114 juce::CriticalSection addingAudioSection;
115 const unsigned char *qbuffer;
123 int64_t max_audio_sample;
126 int constrain(
int color_value);
138 Frame(int64_t
number,
int width,
int height, std::string color);
144 Frame(int64_t
number,
int width,
int height, std::string color,
int samples,
int channels);
156 void AddColor(
int new_width,
int new_height, std::string new_color);
159 void AddImage(
int new_width,
int new_height,
int bytes_per_pixel, QImage::Format type,
const unsigned char *pixels_);
162 void AddImage(std::shared_ptr<QImage> new_image);
165 void AddImage(std::shared_ptr<QImage> new_image,
bool only_odd_lines);
167 #ifdef USE_IMAGEMAGICK
173 void AddAudio(
bool replaceSamples,
int destChannel,
int destStartSample,
const float* source,
int numSamples,
float gainToApplyToSource);
179 void ApplyGainRamp(
int destChannel,
int destStartSample,
int numSamples,
float initial_gain,
float final_gain);
204 float GetAudioSample(
int channel,
int sample,
int magnitude_range);
229 #ifdef USE_IMAGEMAGICK
244 bool CheckPixel(
int row,
int col,
int red,
int green,
int blue,
int alpha,
int threshold);
256 std::shared_ptr<QImage>
GetWaveform(
int width,
int height,
int Red,
int Green,
int Blue,
int Alpha);
259 const unsigned char*
GetWaveformPixels(
int width,
int height,
int Red,
int Green,
int Blue,
int Alpha);
271 void SampleRate(
int orig_sample_rate) { sample_rate = orig_sample_rate; };
274 void Save(std::string path,
float scale, std::string format=
"PNG",
int quality=100);
284 void Thumbnail(std::string path,
int new_width,
int new_height, std::string mask_path, std::string overlay_path,
285 std::string background_color,
bool ignore_aspect, std::string format=
"png",
int quality=100,
float rotate=0.0);
const unsigned char * GetWaveformPixels(int width, int height, int Red, int Green, int Blue, int Alpha)
Get an audio waveform image pixels.
int SampleRate()
Get the original sample rate of this frame's audio data.
Header file for ChannelLayout class.
Frame & operator=(const Frame &other)
Assignment operator.
void AddMagickImage(std::shared_ptr< Magick::Image > new_image)
Add (or replace) pixel data to the frame from an ImageMagick Image.
Header file for Fraction class.
float * GetAudioSamples(int channel)
Get an array of sample data.
void SetFrameNumber(int64_t number)
Set frame number.
bool has_audio_data
This frame has been loaded with audio data.
This namespace is the default namespace for all code in the openshot library.
This class represents a fraction.
openshot::Fraction GetPixelRatio()
Set Pixel Aspect Ratio.
Header file for AudioBufferSource class.
void Thumbnail(std::string path, int new_width, int new_height, std::string mask_path, std::string overlay_path, std::string background_color, bool ignore_aspect, std::string format="png", int quality=100, float rotate=0.0)
Header file for AudioResampler class.
This class represents a single frame of video (i.e. image & audio data)
std::shared_ptr< Magick::Image > GetMagickImage()
Get pointer to ImageMagick image object.
void ChannelsLayout(openshot::ChannelLayout new_channel_layout)
bool has_image_data
This frame has been loaded with pixel data.
void AddAudioSilence(int numSamples)
Add audio silence.
int64_t GetBytes()
Get the size in bytes of this frame (rough estimate)
void ResizeAudio(int channels, int length, int sample_rate, openshot::ChannelLayout channel_layout)
Resize audio container to hold more (or less) samples and channels.
This class is used to resample audio data for many sequential frames.
Header file for ZeroMQ-based Logger class.
const unsigned char * GetPixels()
Get pixel data (as packets)
void AddImage(int new_width, int new_height, int bytes_per_pixel, QImage::Format type, const unsigned char *pixels_)
Add (or replace) pixel data to the frame.
void ApplyGainRamp(int destChannel, int destStartSample, int numSamples, float initial_gain, float final_gain)
Apply gain ramp (i.e. fading volume)
int GetAudioChannelsCount()
Get number of audio channels.
int GetHeight()
Get height of image.
int GetSamplesPerFrame(openshot::Fraction fps, int sample_rate, int channels)
Calculate the # of samples per video frame (for the current frame number)
bool CheckPixel(int row, int col, int red, int green, int blue, int alpha, int threshold)
Check a specific pixel color value (returns True/False)
std::shared_ptr< QImage > GetWaveform(int width, int height, int Red, int Green, int Blue, int Alpha)
Get an audio waveform image.
void AddAudio(bool replaceSamples, int destChannel, int destStartSample, const float *source, int numSamples, float gainToApplyToSource)
Add audio samples to a specific channel.
void SampleRate(int orig_sample_rate)
Set the original sample rate of this frame's audio data.
int GetWidth()
Get height of image.
void ClearWaveform()
Clear the waveform image (and deallocate its memory)
void SetPixelRatio(int num, int den)
Set Pixel Aspect Ratio.
void Save(std::string path, float scale, std::string format="PNG", int quality=100)
Save the frame image to the specified path. The image format can be BMP, JPG, JPEG,...
Header file for MagickUtilities (IM6/IM7 compatibility overlay)
std::shared_ptr< QImage > GetImage()
Get pointer to Qt QImage image object.
openshot::ChannelLayout ChannelsLayout()
ChannelLayout
This enumeration determines the audio channel layout (such as stereo, mono, 5 point surround,...
void Play()
Play audio samples for this frame.
float * GetInterleavedAudioSamples(int new_sample_rate, openshot::AudioResampler *resampler, int *sample_count)
Get an array of sample data (all channels interleaved together), using any sample rate.
void DeepCopy(const Frame &other)
Copy data and pointers from another Frame instance.
float GetAudioSample(int channel, int sample, int magnitude_range)
Get magnitude of range of samples (if channel is -1, return average of all channels for that sample)
int64_t number
This is the frame number (starting at 1)
void Display()
Display the frame image to the screen (primarily used for debugging reasons)
virtual ~Frame()
Destructor.
float * GetPlanarAudioSamples(int new_sample_rate, openshot::AudioResampler *resampler, int *sample_count)
Frame()
Constructor - blank frame (300x200 blank image, 48kHz audio silence)
int GetAudioSamplesCount()
Get number of audio samples.
juce::AudioSampleBuffer * GetAudioSampleBuffer()
static void cleanUpBuffer(void *info)
Clean up buffer after QImage is deleted.
void AddColor(int new_width, int new_height, std::string new_color)
Add (or replace) pixel data to the frame (based on a solid color)
void DisplayWaveform()
Display the wave form.