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2023-10-24 21:24:55 CST W43D2

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aggresss
2023-10-24 21:24:55 +08:00
parent e163918619
commit 4329c27b55
47 changed files with 3577 additions and 165 deletions
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14
examples/filter-audio/main.go
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@@ -12,7 +12,7 @@ import (
"syscall"
"unsafe"
"github.com/qrtc/ffmpeg-dev-go"
ffmpeg "github.com/qrtc/ffmpeg-dev-go"
)
const (
@@ -166,11 +166,12 @@ func processOutput(md5 *ffmpeg.AVMD5, frame *ffmpeg.AVFrame) int32 {
planeSize *= channels
}
data := ffmpeg.SliceSlice(frame.GetExtendedData(), planes, planeSize)
for i := 0; i < int(planes); i++ {
var checksum [16]uint8
ffmpeg.AvMd5Init(md5)
ffmpeg.AvMd5Sum(&checksum[0], frame.GetExtendedDataIdx(i), planeSize)
ffmpeg.AvMd5Sum(&checksum[0], &data[i][0], planeSize)
fmt.Fprintf(os.Stdout, "plane %d: 0x", i)
for j := 0; j < len(checksum); j++ {
@@ -198,13 +199,10 @@ func getInput(frame *ffmpeg.AVFrame, frameNum int32) int32 {
}
// Fill the data for each channel.
data := ffmpeg.SliceSlice((**float32)(unsafe.Pointer(frame.GetExtendedData())), 5, frame.GetNbSamples())
for i := 0; i < 5; i++ {
dataLen := int(frame.GetNbSamples())
data := (*float32)(unsafe.Pointer(frame.GetExtendedDataIdx(i)))
dataSlice := unsafe.Slice(data, dataLen)
for j := 0; j < dataLen; j++ {
dataSlice[j] = (float32)(math.Sin(2 * math.Pi * (float64)(int(frameNum)+j) * (float64)(i+1) / FRAME_SIZE))
for j := 0; j < int(frame.GetNbSamples()); j++ {
data[i][j] = (float32)(math.Sin(2 * math.Pi * (float64)(int(frameNum)+j) * (float64)(i+1) / FRAME_SIZE))
}
}