Exemple #1
0
func (m *Muxer) Open() bool {
	w, h := m.capture.Resolution()
	if !m.AddVideoStream(C.AV_CODEC_ID_H264, w, h) {
		return false
	}
	if !m.AddAudioStream(C.AV_CODEC_ID_AAC) {
		return false
	}
	if m.context.oformat.flags&C.AVFMT_NOFILE == 0 {
		if C.avio_open(&m.context.pb, &m.context.filename[0], C.AVIO_FLAG_WRITE) < 0 {
			return false
		}
		m.recl = append(m.recl, func() {
			C.avio_close(m.context.pb)
		})
	}
	C.av_dump_format(m.context, 0, &m.context.filename[0], 1)
	if C.avformat_write_header(m.context, (**C.AVDictionary)(null)) < 0 {
		return false
	}
	m.recl = append(m.recl, func() {
		C.av_write_trailer(m.context)
	})
	m.loop = true
	go m.routine()
	if m.display != nil {
		m.display.Open()
	}
	return true
}
Exemple #2
0
func (this *FmtCtx) WriteHeader() error {

	cfilename := &(this.avCtx.filename[0])
	// If NOFILE flag isn't set and we don't use custom IO, open it
	if !this.IsNoFile() && !this.customPb {
		if averr := C.avio_open(&this.avCtx.pb, cfilename, C.AVIO_FLAG_WRITE); averr < 0 {
			return errors.New(fmt.Sprintf("Unable to open '%s': %s", this.Filename, AvError(int(averr))))
		}
	}

	if averr := C.avformat_write_header(this.avCtx, nil); averr < 0 {
		return errors.New(fmt.Sprintf("Unable to write header to '%s': %s", this.Filename, AvError(int(averr))))
	}

	return nil
}
Exemple #3
0
func (this *FmtCtx) WriteHeader() error {
	cfilename := C.CString(this.ofmt.Filename)
	defer C.free(unsafe.Pointer(cfilename))

	if !this.IsNoFile() {
		if averr := C.avio_open(&this.avCtx.pb, cfilename, C.AVIO_FLAG_WRITE); averr < 0 {
			return errors.New(fmt.Sprintf("Unable to open '%s': %s", this.ofmt.Filename, AvError(int(averr))))
		}
	}

	if averr := C.avformat_write_header(this.avCtx, nil); averr < 0 {
		return errors.New(fmt.Sprintf("Unable to write header to '%s': %s", this.ofmt.Filename, AvError(int(averr))))
	}

	return nil
}
Exemple #4
0
func url_fopen(ctx *FormatContext, filename string) int {
	file := C.CString(filename)
	defer C.free(unsafe.Pointer(file))
	return int(C.avio_open(&ctx.ctx.pb, file, C.URL_WRONLY))
}