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Aegisub
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Make ffmpeg and ffms video providers endianness-aware and always get the video in pixel format expected by the video display. 

Originally committed to SVN as r2492.
This commit is contained in:
Niels Martin Hansen 2008-11-26 02:03:53 +00:00
parent e802fa3c84
commit 42dd599579
2 changed files with 9 additions and 3 deletions
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10
aegisub/video_provider_ffmpegsource.cpp
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@ -40,6 +40,7 @@
#include "video_provider_ffmpegsource.h"
#include "video_context.h"
#include "options.h"
#include "aegisub_endian.h"
///////////////
@ -217,13 +218,18 @@ const AegiVideoFrame FFmpegSourceVideoProvider::GetFrame(int _n, int FormatType)
// this is what we'll return eventually
AegiVideoFrame &DstFrame = CurFrame;
bool big_endian = Endian::BigToMachine((int)1)==(int)1;
// choose output format
if (FormatType & FORMAT_RGB32) {
if (FormatType & FORMAT_RGB32 && big_endian) {
DstFormat = FFMS_PIX_FMT_BGR32_1;
DstFrame.format = FORMAT_RGB32;
} else if (FormatType & FORMAT_RGB32 && !big_endian) {
DstFormat = FFMS_PIX_FMT_RGB32;
DstFrame.format = FORMAT_RGB32;
} else if (FormatType & FORMAT_RGB24) {
DstFormat = FFMS_PIX_FMT_RGB24;
DstFormat = FFMS_PIX_FMT_BGR24;
DstFrame.format = FORMAT_RGB24;
} else if (FormatType & FORMAT_YV12) {
DstFormat = FFMS_PIX_FMT_YUV420P; // may or may not work

2
aegisub/video_provider_lavc.cpp
View File

@ -283,7 +283,7 @@ const AegiVideoFrame LAVCVideoProvider::GetFrame(int n,int formatType) {
int w = codecContext->width;
int h = codecContext->height;
PixelFormat srcFormat = codecContext->pix_fmt;
PixelFormat dstFormat = PIX_FMT_RGB32;
PixelFormat dstFormat = PIX_FMT_BGRA;
// Allocate RGB32 buffer
if(!sws_context) //first frame