mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-06 00:55:37 +00:00
65 lines
3.0 KiB
Diff
65 lines
3.0 KiB
Diff
diff --git a/media/libmkv/WebMElement.c b/media/libmkv/WebMElement.c
|
|
--- a/media/libmkv/WebMElement.c
|
|
+++ b/media/libmkv/WebMElement.c
|
|
@@ -52,32 +52,39 @@ static UInt64 generateTrackID(unsigned i
|
|
r = r << 32;
|
|
r += rand();
|
|
// UInt64 rval = t ^ r;
|
|
return t ^ r;
|
|
}
|
|
|
|
void writeVideoTrack(EbmlGlobal *glob, unsigned int trackNumber, int flagLacing,
|
|
const char *codecId, unsigned int pixelWidth, unsigned int pixelHeight,
|
|
+ unsigned int displayWidth, unsigned int displayHeight,
|
|
double frameRate) {
|
|
EbmlLoc start;
|
|
UInt64 trackID;
|
|
Ebml_StartSubElement(glob, &start, TrackEntry);
|
|
Ebml_SerializeUnsigned(glob, TrackNumber, trackNumber);
|
|
trackID = generateTrackID(trackNumber);
|
|
Ebml_SerializeUnsigned(glob, TrackUID, trackID);
|
|
Ebml_SerializeString(glob, CodecName, "VP8"); // TODO shouldn't be fixed
|
|
|
|
Ebml_SerializeUnsigned(glob, TrackType, 1); // video is always 1
|
|
Ebml_SerializeString(glob, CodecID, codecId);
|
|
{
|
|
EbmlLoc videoStart;
|
|
Ebml_StartSubElement(glob, &videoStart, Video);
|
|
Ebml_SerializeUnsigned(glob, PixelWidth, pixelWidth);
|
|
Ebml_SerializeUnsigned(glob, PixelHeight, pixelHeight);
|
|
+ if (pixelWidth != displayWidth) {
|
|
+ Ebml_SerializeUnsigned(glob, DisplayWidth, displayWidth);
|
|
+ }
|
|
+ if (pixelHeight != displayHeight) {
|
|
+ Ebml_SerializeUnsigned(glob, DisplayHeight, displayHeight);
|
|
+ }
|
|
Ebml_SerializeFloat(glob, FrameRate, frameRate);
|
|
Ebml_EndSubElement(glob, &videoStart); // Video
|
|
}
|
|
Ebml_EndSubElement(glob, &start); // Track Entry
|
|
}
|
|
void writeAudioTrack(EbmlGlobal *glob, unsigned int trackNumber, int flagLacing,
|
|
const char *codecId, double samplingFrequency, unsigned int channels,
|
|
unsigned char *private, unsigned long privateSize) {
|
|
diff --git a/media/libmkv/WebMElement.h b/media/libmkv/WebMElement.h
|
|
--- a/media/libmkv/WebMElement.h
|
|
+++ b/media/libmkv/WebMElement.h
|
|
@@ -16,16 +16,17 @@ extern "C" {
|
|
#include "EbmlWriter.h"
|
|
|
|
// these are helper functions
|
|
void writeHeader(EbmlGlobal *ebml);
|
|
void writeSegmentInformation(EbmlGlobal *ebml, EbmlLoc *startInfo, unsigned long timeCodeScale, double duration);
|
|
// this function is a helper only, it assumes a lot of defaults
|
|
void writeVideoTrack(EbmlGlobal *ebml, unsigned int trackNumber, int flagLacing,
|
|
const char *codecId, unsigned int pixelWidth, unsigned int pixelHeight,
|
|
+ unsigned int displayWidth, unsigned int displayHeight,
|
|
double frameRate);
|
|
void writeAudioTrack(EbmlGlobal *glob, unsigned int trackNumber, int flagLacing,
|
|
const char *codecId, double samplingFrequency, unsigned int channels,
|
|
unsigned char *private_, unsigned long privateSize);
|
|
|
|
void writeSimpleBlock(EbmlGlobal *ebml, unsigned char trackNumber, short timeCode,
|
|
int isKeyframe, unsigned char lacingFlag, int discardable,
|
|
unsigned char *data, unsigned long dataLength);
|