package/ffmpeg-dev-go
1
0
Fork 0
mirror of https://github.com/qrtc/ffmpeg-dev-go.git synced 2025-10-05 15:47:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

2023-10-19 14:31:46 CST W42D4

Browse Source
This commit is contained in:
aggresss
2023-10-19 14:31:46 +08:00
parent 762aa14362
commit 0f95831c39
52 changed files with 9140 additions and 4324 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
examples/encode-audio/main.go
View File

@@ -11,7 +11,7 @@ import (
)
// check that a given sample format is supported by the encoder
func checkSampleFmt(codec *ffmpeg.AvCodec, sampleFmt ffmpeg.AvSampleFormat) int32 {
func checkSampleFmt(codec *ffmpeg.AVCodec, sampleFmt ffmpeg.AVSampleFormat) int32 {
for _, f := range codec.GetSampleFmts() {
if f == sampleFmt {
return 1
@@ -20,7 +20,7 @@ func checkSampleFmt(codec *ffmpeg.AvCodec, sampleFmt ffmpeg.AvSampleFormat) int3
return 0
}
func selectSampleRate(codec *ffmpeg.AvCodec) int32 {
func selectSampleRate(codec *ffmpeg.AVCodec) int32 {
var bestSamplerate int32
ss := codec.GetSupportedSamplerates()
if len(ss) == 0 {
@@ -35,7 +35,7 @@ func selectSampleRate(codec *ffmpeg.AvCodec) int32 {
}
// select layout with the highest channel count
func selectChannelLayout(codec *ffmpeg.AvCodec) uint64 {
func selectChannelLayout(codec *ffmpeg.AVCodec) uint64 {
var bestChLayout uint64
var bestNbChannels int32
ls := codec.GetChannelLayouts()
@@ -55,7 +55,7 @@ func selectChannelLayout(codec *ffmpeg.AvCodec) uint64 {
return bestChLayout
}
func encode(ctx *ffmpeg.AvCodecContext, frame *ffmpeg.AvFrame, pkt *ffmpeg.AvPacket, output *os.File) {
func encode(ctx *ffmpeg.AVCodecContext, frame *ffmpeg.AVFrame, pkt *ffmpeg.AVPacket, output *os.File) {
// send the frame for encoding
ret := ffmpeg.AvCodecSendFrame(ctx, frame)
if ret < 0 {
@@ -66,14 +66,14 @@ func encode(ctx *ffmpeg.AvCodecContext, frame *ffmpeg.AvFrame, pkt *ffmpeg.AvPac
// read all the available output packets (in general there may be any number of them
for ret >= 0 {
ret = ffmpeg.AvCodecReceivePacket(ctx, pkt)
if ret == ffmpeg.AVERROR(int32(syscall.EAGAIN)) || ret == ffmpeg.AVERROR_EOF {
if ret == ffmpeg.AVERROR(syscall.EAGAIN) || ret == ffmpeg.AVERROR_EOF {
return
} else if ret < 0 {
fmt.Fprintf(os.Stderr, "Error encoding audio frame\n")
os.Exit(1)
}
output.Write(ffmpeg.Slice(pkt.GetData(), pkt.GetSize()))
output.Write(ffmpeg.ByteSlice(pkt.GetData(), pkt.GetSize()))
ffmpeg.AvPacketUnref(pkt)
}