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rename parameter in H264 SPS

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This commit is contained in:
aler9
2022-12-27 12:00:00 +00:00
parent a18f80f09f
commit 06041a264e
3 changed files with 24 additions and 23 deletions
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2
pkg/h264/dtsextractor.go
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@@ -166,7 +166,7 @@ func findSEITimingInfo(nalus [][]byte, sps *SPS) (*seiTimingInfo, bool) {
return nil, false
}
// DTSExtractor is a utility that allows to extract NALU DTS from PTS.
// DTSExtractor allows to extract DTS from PTS.
type DTSExtractor struct {
sps []byte
spsp *SPS

9
pkg/h264/sps.go
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@@ -429,7 +429,7 @@ type SPS struct {
MaxNumRefFrames uint32
GapsInFrameNumValueAllowedFlag bool
PicWidthInMbsMinus1 uint32
PicHeightInMbsMinus1 uint32
PicHeightInMapUnitsMinus1 uint32
FrameMbsOnlyFlag bool
// FrameMbsOnlyFlag == false
@@ -637,7 +637,7 @@ func (s *SPS) Unmarshal(buf []byte) error {
return err
}
s.PicHeightInMbsMinus1, err = bits.ReadGolombUnsigned(buf, &pos)
s.PicHeightInMapUnitsMinus1, err = bits.ReadGolombUnsigned(buf, &pos)
if err != nil {
return err
}
@@ -711,10 +711,11 @@ func (s SPS) Height() int {
}
if s.FrameCropping != nil {
return int(((2 - f) * (s.PicHeightInMbsMinus1 + 1) * 16) - (s.FrameCropping.TopOffset+s.FrameCropping.BottomOffset)*2)
return int(((2 - f) * (s.PicHeightInMapUnitsMinus1 + 1) * 16) -
(s.FrameCropping.TopOffset+s.FrameCropping.BottomOffset)*2)
}
return int((2 - f) * (s.PicHeightInMbsMinus1 + 1) * 16)
return int((2 - f) * (s.PicHeightInMapUnitsMinus1 + 1) * 16)
}
// FPS returns the frames per second of the video.

36
pkg/h264/sps_test.go
View File

@@ -31,7 +31,7 @@ func TestSPSUnmarshal(t *testing.T) {
MaxNumRefFrames: 1,
GapsInFrameNumValueAllowedFlag: true,
PicWidthInMbsMinus1: 21,
PicHeightInMbsMinus1: 17,
PicHeightInMapUnitsMinus1: 17,
FrameMbsOnlyFlag: true,
Direct8x8InferenceFlag: true,
VUI: &SPS_VUI{
@@ -61,7 +61,7 @@ func TestSPSUnmarshal(t *testing.T) {
Log2MaxPicOrderCntLsbMinus4: 2,
MaxNumRefFrames: 4,
PicWidthInMbsMinus1: 79,
PicHeightInMbsMinus1: 44,
PicHeightInMapUnitsMinus1: 44,
FrameMbsOnlyFlag: true,
Direct8x8InferenceFlag: true,
VUI: &SPS_VUI{
@@ -95,16 +95,16 @@ func TestSPSUnmarshal(t *testing.T) {
0x00, 0x00, 0x03, 0x00, 0xf0, 0x3c, 0x60, 0xc9, 0x20,
},
SPS{
ProfileIdc: 66,
ConstraintSet0Flag: true,
ConstraintSet1Flag: true,
LevelIdc: 40,
PicOrderCntType: 2,
MaxNumRefFrames: 3,
PicWidthInMbsMinus1: 119,
PicHeightInMbsMinus1: 67,
FrameMbsOnlyFlag: true,
Direct8x8InferenceFlag: true,
ProfileIdc: 66,
ConstraintSet0Flag: true,
ConstraintSet1Flag: true,
LevelIdc: 40,
PicOrderCntType: 2,
MaxNumRefFrames: 3,
PicWidthInMbsMinus1: 119,
PicHeightInMapUnitsMinus1: 67,
FrameMbsOnlyFlag: true,
Direct8x8InferenceFlag: true,
FrameCropping: &SPS_FrameCropping{
BottomOffset: 4,
},
@@ -140,7 +140,7 @@ func TestSPSUnmarshal(t *testing.T) {
Log2MaxPicOrderCntLsbMinus4: 2,
MaxNumRefFrames: 4,
PicWidthInMbsMinus1: 119,
PicHeightInMbsMinus1: 67,
PicHeightInMapUnitsMinus1: 67,
FrameMbsOnlyFlag: true,
Direct8x8InferenceFlag: true,
FrameCropping: &SPS_FrameCropping{
@@ -180,7 +180,7 @@ func TestSPSUnmarshal(t *testing.T) {
Log2MaxPicOrderCntLsbMinus4: 5,
MaxNumRefFrames: 4,
PicWidthInMbsMinus1: 119,
PicHeightInMbsMinus1: 33,
PicHeightInMapUnitsMinus1: 33,
Direct8x8InferenceFlag: true,
FrameCropping: &SPS_FrameCropping{
BottomOffset: 2,
@@ -219,7 +219,7 @@ func TestSPSUnmarshal(t *testing.T) {
Log2MaxPicOrderCntLsbMinus4: 4,
MaxNumRefFrames: 1,
PicWidthInMbsMinus1: 79,
PicHeightInMbsMinus1: 59,
PicHeightInMapUnitsMinus1: 59,
FrameMbsOnlyFlag: true,
Direct8x8InferenceFlag: true,
Log2MaxFrameNumMinus4: 10,
@@ -280,7 +280,7 @@ func TestSPSUnmarshal(t *testing.T) {
MaxNumRefFrames: 1,
GapsInFrameNumValueAllowedFlag: true,
PicWidthInMbsMinus1: 159,
PicHeightInMbsMinus1: 89,
PicHeightInMapUnitsMinus1: 89,
FrameMbsOnlyFlag: true,
Direct8x8InferenceFlag: true,
VUI: &SPS_VUI{
@@ -319,7 +319,7 @@ func TestSPSUnmarshal(t *testing.T) {
Log2MaxPicOrderCntLsbMinus4: 4,
MaxNumRefFrames: 2,
PicWidthInMbsMinus1: 119,
PicHeightInMbsMinus1: 67,
PicHeightInMapUnitsMinus1: 67,
FrameMbsOnlyFlag: true,
Direct8x8InferenceFlag: true,
FrameCropping: &SPS_FrameCropping{
@@ -373,7 +373,7 @@ func TestSPSUnmarshal(t *testing.T) {
Log2MaxPicOrderCntLsbMinus4: 5,
MaxNumRefFrames: 1,
PicWidthInMbsMinus1: 119,
PicHeightInMbsMinus1: 67,
PicHeightInMapUnitsMinus1: 67,
FrameMbsOnlyFlag: true,
Direct8x8InferenceFlag: true,
FrameCropping: &SPS_FrameCropping{