Program params and enum Discardxx (#119)

* OpenIOContextWithDictionary

* OpenIOContext

* OpenIOContext

* IOInterrupterCB

* OpenIOContext(filename string, flags IOContextFlags, ii *IOInterrupter, d *Dictionary)

* Program and Discard

* Program and Discard

* Program and Discard

* Program and Discard

* Program and Discard

* Program and Discard

* CodecContext
MaxBFrames()
SetMaxBFrames(n int)

* another pr

* delete Flags()

* delete Flags()

* delete Flags()

* delete PmtVersion()

* SetStreamIndex

* SetStreamIndex

.gitignore

@@ -1,2 +1,3 @@
 .DS_STORE
-coverage.out
+coverage.out
+.idea

discard.go

@@ -0,0 +1,17 @@
+package astiav
+
+//#include <libavcodec/defs.h>
+import "C"
+
+// https://ffmpeg.org/doxygen/7.0/group__lavc__decoding.html#ga352363bce7d3ed82c101b3bc001d1c16
+type Discard C.enum_AVDiscard
+
+const (
+	DiscardNone          = Discard(C.AVDISCARD_NONE)
+	DiscardDefault       = Discard(C.AVDISCARD_DEFAULT)
+	DiscardNonRef        = Discard(C.AVDISCARD_NONREF)
+	DiscardBidirectional = Discard(C.AVDISCARD_BIDIR)
+	DiscardNonIntra      = Discard(C.AVDISCARD_NONINTRA)
+	DiscardNonKey        = Discard(C.AVDISCARD_NONKEY)
+	DiscardAll           = Discard(C.AVDISCARD_ALL)
+)

program.go

@@ -55,3 +55,89 @@ func (p *Program) Streams() (ss []*Stream) {
 	}
 	return
 }
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a9c7a07c08a1f960aaa49f3f47633af5c
+func (p *Program) Discard() Discard {
+	return Discard(p.c.discard)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a9c7a07c08a1f960aaa49f3f47633af5c
+func (p *Program) SetDiscard(d Discard) {
+	p.c.discard = int32(d)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a7967d41af4812ed61a28762e988c7a02
+func (p *Program) StreamIndex() *uint {
+	if p.c.stream_index == nil {
+		return nil
+	}
+	u := uint(C.uint(*p.c.stream_index))
+	return &u
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a7967d41af4812ed61a28762e988c7a02
+func (p *Program) SetStreamIndex(n uint) {
+	if p.c.stream_index != nil {
+		*p.c.stream_index = C.uint(n)
+	}
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#ae9dab38d4694e3da9cba0f882f4e43d3
+func (p *Program) Metadata() *Dictionary {
+	return newDictionaryFromC(p.c.metadata)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#ae9dab38d4694e3da9cba0f882f4e43d3
+func (p *Program) SetMetadata(d *Dictionary) {
+	p.c.metadata = d.c
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a4c1539ea3c98da979b95a59a3ea163cb
+func (p *Program) ProgramNumber() int {
+	return int(p.c.program_num)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a4c1539ea3c98da979b95a59a3ea163cb
+func (p *Program) SetProgramNumber(n int) {
+	p.c.program_num = C.int(n)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a02011963a63c291c6dc6d4eefa56cd69
+func (p *Program) PmtPid() int {
+	return int(p.c.pmt_pid)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a02011963a63c291c6dc6d4eefa56cd69
+func (p *Program) SetPmtPid(n int) {
+	p.c.pmt_pid = C.int(n)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a7e026323df87e84a72ec5e5c8ce341a5
+func (p *Program) PcrPid() int {
+	return int(p.c.pcr_pid)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a7e026323df87e84a72ec5e5c8ce341a5
+func (p *Program) SetPcrPid(n int) {
+	p.c.pcr_pid = C.int(n)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a2276db4d51695120664d527f20b7c532
+func (p *Program) StartTime() int64 {
+	return int64(p.c.start_time)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a5a7795c918153d0f64d68a838e172db4
+func (p *Program) EndTime() int64 {
+	return int64(p.c.end_time)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#a7e539e286876577e158039f6e7678452
+func (p *Program) PtsWrapReference() int64 {
+	return int64(p.c.pts_wrap_reference)
+}
+
+// https://ffmpeg.org/doxygen/7.0/structAVProgram.html#aa3f8af78093a910ff766ac5af381758b
+func (p *Program) PtsWrapBehavior() int {
+	return int(p.c.pts_wrap_behavior)
+}

program_test.go

@@ -14,11 +14,33 @@ func TestProgram(t *testing.T) {
 	require.Equal(t, 1, p.ID())
 	p.SetID(2)
 	require.Equal(t, 2, p.ID())
+	p.SetDiscard(DiscardAll)
+	require.Equal(t, DiscardAll, p.Discard())
+	d := NewDictionary()
+	require.NoError(t, d.Set("service_name", "test_service_name", 0))
+	p.SetMetadata(d)
+	require.Equal(t, p.Metadata().Get("service_name", nil, 0).Value(), "test_service_name")
+	p.SetProgramNumber(101)
+	require.Equal(t, 101, p.ProgramNumber())
+	p.SetPmtPid(201)
+	require.Equal(t, 201, p.PmtPid())
+	p.SetPcrPid(301)
+	require.Equal(t, 301, p.PcrPid())
+	require.Equal(t, p.StartTime(), NoPtsValue)
+	require.Equal(t, p.EndTime(), NoPtsValue)
+	require.Equal(t, p.PtsWrapReference(), NoPtsValue)
+	require.Equal(t, p.PtsWrapBehavior(), 0)
 	s := fc.NewStream(nil)
 	s.SetID(2)
 	require.Equal(t, 0, p.NbStreams())
+	require.Nil(t, p.StreamIndex(), nil)
 	p.AddStream(s)
 	require.Equal(t, 1, p.NbStreams())
+	require.Equal(t, uint(0), *p.StreamIndex())
+	var streamIndex uint = 1
+	p.SetStreamIndex(streamIndex)
+	require.Equal(t, streamIndex, *p.StreamIndex())
+	s.SetIndex(int(streamIndex))
 	ss := p.Streams()
 	require.Equal(t, 1, len(ss))
 	require.Equal(t, s.ID(), ss[0].ID())