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Aegisub
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Made ffmpeg video provider compile again, conforming to the new video provider interface, but it still won't work. 

Originally committed to SVN as r952.
This commit is contained in:
Rodrigo Braz Monteiro 2007-03-24 00:11:49 +00:00
parent aba48b68e3
commit 4f1f9ccdf0
4 changed files with 117 additions and 200 deletions
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3
aegisub/lavc_file.cpp
View File

@ -35,7 +35,6 @@
#include "setup.h"
#if USE_LAVC == 1
#include <wx/wxprec.h>
#include "lavc_file.h"
@ -69,5 +68,3 @@ LAVCFile::~LAVCFile()
if (fctx)
av_close_input_file(fctx);
}
#endif

5
aegisub/lavc_file.h
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@ -37,12 +37,13 @@
#pragma once
#include "setup.h"
#if USE_LAVC == 1
#define EMULATE_INTTYPES
#include <wx/filename.h>
extern "C" {
#include <ffmpeg/avcodec.h>
#include <ffmpeg/avformat.h>
}
class LAVCFile {
private:
@ -64,5 +65,3 @@ public:
LAVCFile *AddRef() { refs++; return this; };
void Release() { if (!--refs) delete this; };
};
#endif /* USE_LAVC */

282
aegisub/video_provider_lavc.cpp
View File

@ -37,23 +37,40 @@
///////////
// Headers
#include "setup.h"
#if USE_LAVC == 1
#include <wx/wxprec.h>
#include <wx/image.h>
#include <algorithm>
#include "video_provider_lavc.h"
#include "utils.h"
#include "vfr.h"
#include "subtitle_provider.h"
#include "ass_file.h"
#if 0
#include "mkv_wrap.h"
#endif
/////////////////////
// Link to libraries
#if __VISUALC__ >= 1200
#pragma comment(lib, "avcodec-51.lib")
#pragma comment(lib, "avformat-51.lib")
#pragma comment(lib, "avutil-49.lib")
#endif
///////////
// Factory
class LAVCVideoProviderFactory : public VideoProviderFactory {
public:
VideoProvider *CreateProvider(wxString video,double fps=0.0) { return new LAVCVideoProvider(video,fps); }
LAVCVideoProviderFactory() : VideoProviderFactory(_T("ffmpeg")) {}
} registerLAVCVideo;
///////////////
// Constructor
LAVCVideoProvider::LAVCVideoProvider(wxString filename, wxString subfilename) {
LAVCVideoProvider::LAVCVideoProvider(wxString filename,double fps) {
// Init variables
codecContext = NULL;
lavcfile = NULL;
@ -65,19 +82,10 @@ LAVCVideoProvider::LAVCVideoProvider(wxString filename, wxString subfilename) {
buffer1Size = 0;
buffer2Size = 0;
vidStream = -1;
zoom = 1.0;
validFrame = false;
overlay = NULL;
// Load
LoadVideo(filename);
// Attach subtitles
try {
SubtitleProvider::Class::GetProvider(_T("libass"), AssFile::top)->Bind(this);
} catch (...) {
/* warn user? */
}
LoadVideo(filename,fps);
}
@ -88,19 +96,9 @@ LAVCVideoProvider::~LAVCVideoProvider() {
}
/////////////////
// Attach overlay
void LAVCVideoProvider::AttachOverlay(SubtitleProvider::Overlay *_overlay)
{
overlay = _overlay;
if (overlay)
overlay->SetParams(display_w, display_h);
}
//////////////
// Load video
void LAVCVideoProvider::LoadVideo(wxString filename) {
void LAVCVideoProvider::LoadVideo(wxString filename, double fps) {
// Close first
Close();
@ -112,7 +110,7 @@ void LAVCVideoProvider::LoadVideo(wxString filename) {
// Find video stream
vidStream = -1;
codecContext = NULL;
for (int i=0;i<lavcfile->fctx->nb_streams;i++) {
for (unsigned int i=0;i<lavcfile->fctx->nb_streams;i++) {
codecContext = lavcfile->fctx->streams[i]->codec;
if (codecContext->codec_type == CODEC_TYPE_VIDEO) {
stream = lavcfile->fctx->streams[i];
@ -150,10 +148,6 @@ void LAVCVideoProvider::LoadVideo(wxString filename) {
}
#endif
// Set size
dar = double(GetSourceWidth()) / GetSourceHeight();
UpdateDisplaySize();
// Allocate frame
frame = avcodec_alloc_frame();
@ -201,15 +195,6 @@ void LAVCVideoProvider::Close() {
}
///////////////////////
// Update display size
void LAVCVideoProvider::UpdateDisplaySize() {
// Set
display_w = MID(16,int((GetSourceHeight() * zoom * dar)+0.5),4096);
display_h = MID(16,int((GetSourceHeight() * zoom)+0.5),4096);
}
//////////////////
// Get next frame
bool LAVCVideoProvider::GetNextFrame() {
@ -239,93 +224,89 @@ bool LAVCVideoProvider::GetNextFrame() {
}
///////////////////////////////
// Convert AVFrame to wxBitmap
wxBitmap LAVCVideoProvider::AVFrameToWX(AVFrame *source, int n) {
// Get sizes
int w = codecContext->width;
int h = codecContext->height;
//#ifdef __WINDOWS__
// PixelFormat format = PIX_FMT_RGBA32;
//#else
PixelFormat format = PIX_FMT_RGB24;
//#endif
unsigned int size1 = avpicture_get_size(codecContext->pix_fmt,display_w,display_h);
unsigned int size2 = avpicture_get_size(format,display_w,display_h);
// Prepare buffers
if (!buffer1 || buffer1Size != size1) {
if (buffer1) delete buffer1;
buffer1 = new uint8_t[size1];
buffer1Size = size1;
}
if (!buffer2 || buffer2Size != size2) {
if (buffer2) delete buffer2;
buffer2 = new uint8_t[size2];
buffer2Size = size2;
}
// Resize
AVFrame *resized;
bool resize = w != display_w || h != display_h;
if (resize) {
// Allocate
unsigned int resSize = avpicture_get_size(codecContext->pix_fmt,display_w,display_h);
resized = avcodec_alloc_frame();
avpicture_fill((AVPicture*) resized, buffer1, codecContext->pix_fmt, display_w, display_h);
// Resize
ImgReSampleContext *resampleContext = img_resample_init(display_w,display_h,w,h);
img_resample(resampleContext,(AVPicture*) resized,(AVPicture*) source);
img_resample_close(resampleContext);
// Set new w/h
w = display_w;
h = display_h;
}
else resized = source;
// Allocate RGB32 buffer
AVFrame *frameRGB = avcodec_alloc_frame();
avpicture_fill((AVPicture*) frameRGB, buffer2, format, w, h);
// Convert to RGB32
img_convert((AVPicture*) frameRGB, format, (AVPicture*) resized, codecContext->pix_fmt, w, h);
// Convert to wxBitmap
wxImage img(w, h, false);
unsigned char *data = (unsigned char *)malloc(w * h * 3);
memcpy(data, frameRGB->data[0], w * h * 3);
img.SetData(data);
if (overlay)
overlay->Render(img, VFR_Input.GetTimeAtFrame(n));
wxBitmap bmp(img);
av_free(frameRGB);
if (resized != source)
av_free(resized);
return bmp;
}
////////////////
// Refresh subs
void LAVCVideoProvider::RefreshSubtitles() {
}
/////////////////////////////////
//// Convert AVFrame to wxBitmap
//wxBitmap LAVCVideoProvider::AVFrameToWX(AVFrame *source, int n) {
// // Get sizes
// int w = codecContext->width;
// int h = codecContext->height;
////#ifdef __WINDOWS__
//// PixelFormat format = PIX_FMT_RGBA32;
////#else
// PixelFormat format = PIX_FMT_RGB24;
////#endif
// unsigned int size1 = avpicture_get_size(codecContext->pix_fmt,display_w,display_h);
// unsigned int size2 = avpicture_get_size(format,display_w,display_h);
//
// // Prepare buffers
// if (!buffer1 || buffer1Size != size1) {
// if (buffer1) delete buffer1;
// buffer1 = new uint8_t[size1];
// buffer1Size = size1;
// }
// if (!buffer2 || buffer2Size != size2) {
// if (buffer2) delete buffer2;
// buffer2 = new uint8_t[size2];
// buffer2Size = size2;
// }
//
// // Resize
// AVFrame *resized;
// bool resize = w != display_w || h != display_h;
// if (resize) {
// // Allocate
// unsigned int resSize = avpicture_get_size(codecContext->pix_fmt,display_w,display_h);
// resized = avcodec_alloc_frame();
// avpicture_fill((AVPicture*) resized, buffer1, codecContext->pix_fmt, display_w, display_h);
//
// // Resize
// ImgReSampleContext *resampleContext = img_resample_init(display_w,display_h,w,h);
// img_resample(resampleContext,(AVPicture*) resized,(AVPicture*) source);
// img_resample_close(resampleContext);
//
// // Set new w/h
// w = display_w;
// h = display_h;
// }
// else resized = source;
//
// // Allocate RGB32 buffer
// AVFrame *frameRGB = avcodec_alloc_frame();
// avpicture_fill((AVPicture*) frameRGB, buffer2, format, w, h);
//
// // Convert to RGB32
// img_convert((AVPicture*) frameRGB, format, (AVPicture*) resized, codecContext->pix_fmt, w, h);
//
// // Convert to wxBitmap
// wxImage img(w, h, false);
// unsigned char *data = (unsigned char *)malloc(w * h * 3);
// memcpy(data, frameRGB->data[0], w * h * 3);
// img.SetData(data);
// if (overlay)
// overlay->Render(img, VFR_Input.GetTimeAtFrame(n));
//
// wxBitmap bmp(img);
//
// av_free(frameRGB);
// if (resized != source)
// av_free(resized);
// return bmp;
//}
/////////////
// Get frame
wxBitmap LAVCVideoProvider::GetFrame(int n) {
const AegiVideoFrame LAVCVideoProvider::DoGetFrame(int n) {
// Return stored frame
n = MID(0,n,GetFrameCount()-1);
if (n == frameNumber) {
if (!validFrame) {
curFrame = AVFrameToWX(frame, n);
//curFrame = AVFrameToWX(frame, n);
validFrame = true;
}
return curFrame;
//return curFrame;
AegiVideoFrame dummy;
return dummy;
}
// Following frame, just get it
@ -400,23 +381,20 @@ wxBitmap LAVCVideoProvider::GetFrame(int n) {
}
// Bitmap
wxBitmap bmp;
if (frame) bmp = AVFrameToWX(frame, n);
else bmp = wxBitmap(GetWidth(),GetHeight());
//wxBitmap bmp;
//if (frame) bmp = AVFrameToWX(frame, n);
//else bmp = wxBitmap(GetWidth(),GetHeight());
// Set current frame
validFrame = true;
curFrame = bmp;
frameNumber = n;
//// Set current frame
//validFrame = true;
//curFrame = bmp;
//frameNumber = n;
// Return
return curFrame;
}
//// Return
//return curFrame;
//////////////////////
// Get frame as float
void LAVCVideoProvider::GetFloatFrame(float* Buffer, int n) {
AegiVideoFrame dummy;
return dummy;
}
@ -441,57 +419,15 @@ double LAVCVideoProvider::GetFPS() {
}
////////////////////
// Set aspect ratio
void LAVCVideoProvider::SetDAR(double _dar) {
dar = _dar;
validFrame = false;
UpdateDisplaySize();
}
////////////
// Set zoom
void LAVCVideoProvider::SetZoom(double _zoom) {
zoom = _zoom;
validFrame = false;
UpdateDisplaySize();
}
////////////
// Get zoom
double LAVCVideoProvider::GetZoom() {
return zoom;
}
/////////////
// Get width
int LAVCVideoProvider::GetWidth() {
return display_w;
}
//////////////
// Get height
int LAVCVideoProvider::GetHeight() {
return display_h;
}
//////////////////////
// Get original width
int LAVCVideoProvider::GetSourceWidth() {
int LAVCVideoProvider::GetWidth() {
return codecContext->width;
}
///////////////////////
// Get original height
int LAVCVideoProvider::GetSourceHeight() {
int LAVCVideoProvider::GetHeight() {
return codecContext->height;
}
#endif

27
aegisub/video_provider_lavc.h
View File

@ -39,10 +39,11 @@
///////////
// Headers
#include "setup.h"
#if USE_LAVC == 1
#define EMULATE_INTTYPES
extern "C" {
#include <ffmpeg/avcodec.h>
#include <ffmpeg/avformat.h>
}
#include "video_provider.h"
#include "mkv_wrap.h"
#include "lavc_file.h"
@ -62,8 +63,6 @@ private:
AVFrame *frame;
int vidStream;
double zoom;
double dar;
int display_w;
int display_h;
@ -81,37 +80,23 @@ private:
int buffer1Size;
int buffer2Size;
void UpdateDisplaySize();
bool GetNextFrame();
void LoadVideo(wxString filename);
void LoadVideo(wxString filename, double fps);
void Close();
wxBitmap AVFrameToWX(AVFrame *frame, int n);
SubtitleProvider::Overlay *overlay;
protected:
virtual void AttachOverlay(SubtitleProvider::Overlay *_overlay);
const AegiVideoFrame DoGetFrame(int n);
public:
LAVCVideoProvider(wxString filename, wxString subfilename);
LAVCVideoProvider(wxString filename, double fps);
~LAVCVideoProvider();
void RefreshSubtitles();
wxBitmap GetFrame(int n);
void GetFloatFrame(float* Buffer, int n);
int GetPosition();
int GetFrameCount();
double GetFPS();
void SetDAR(double dar);
void SetZoom(double zoom);
int GetWidth();
int GetHeight();
double GetZoom();
int GetSourceWidth();
int GetSourceHeight();
double GetFPS();
};
#endif