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2023-10-31 09:16:44 CST W44D2

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aggresss
2023-10-31 09:16:44 +08:00
parent f00ecdba54
commit 05345f7cdc
100 changed files with 3340 additions and 3229 deletions
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15
examples/transcode-aac/main.go
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@@ -134,8 +134,7 @@ func openOutputFile(filename string, inputCodecContext *ffmpeg.AVCodecContext) (
// Set the basic encoder parameters.
// The input file's sample rate is used to avoid a sample rate conversion.
avctx.SetChannels(OUTPUT_CHANNELS)
avctx.SetChannelLayout(uint64(ffmpeg.AvGetDefaultChannelLayout(OUTPUT_CHANNELS)))
ffmpeg.AvChannelLayoutDefault(avctx.GetChLayoutAddr(), OUTPUT_CHANNELS)
avctx.SetSampleRate(inputCodecContext.GetSampleRate())
avctx.SetSampleFmt(outputCodec.GetSampleFmts()[0])
avctx.SetBitRate(OUTPUT_BIT_RATE)
@@ -207,14 +206,14 @@ func initResampler(inputCodecContext, outputCodecContext *ffmpeg.AVCodecContext)
// Default channel layouts based on the number of channels
// are assumed for simplicity (they are sometimes not detected
// properly by the demuxer and/or decoder).
if resampleContext = ffmpeg.SwrAllocSetOpts(nil,
ffmpeg.AvGetDefaultChannelLayout(outputCodecContext.GetChannels()),
if ret = ffmpeg.SwrAllocSetOpts2(&resampleContext,
outputCodecContext.GetChLayoutAddr(),
outputCodecContext.GetSampleFmt(),
outputCodecContext.GetSampleRate(),
ffmpeg.AvGetDefaultChannelLayout(inputCodecContext.GetChannels()),
inputCodecContext.GetChLayoutAddr(),
inputCodecContext.GetSampleFmt(),
inputCodecContext.GetSampleRate(),
0, nil); resampleContext == nil {
0, nil); ret < 0 {
fmt.Fprintf(os.Stderr, "Could not allocate resample context\n")
return nil, ffmpeg.AVERROR(syscall.ENOMEM)
}
@@ -349,7 +348,7 @@ func convertSamples(inputData, convertedData **uint8,
// Add converted input audio samples to the FIFO buffer for later processing.
func addSamplesToFifo(fifo *ffmpeg.AVAudioFifo, convertedInputSamples **uint8, frameSize int32) int32 {
// Make the FIFO as large as it needs to be to hold both,
// Make the FIFO as large as it needs to be to hold both,
// the old and the new samples.
if ret := ffmpeg.AvAudioFifoRealloc(fifo, ffmpeg.AvAudioFifoSize(fifo)+frameSize); ret < 0 {
fmt.Fprintf(os.Stderr, "Could not reallocate FIFO\n")
@@ -443,7 +442,7 @@ func initOutputFrame(outputcodecContext *ffmpeg.AVCodecContext,
// Default channel layouts based on the number of channels
// are assumed for simplicity.
frame.SetNbSamples(frameSize)
frame.SetChannelLayout(outputcodecContext.GetChannelLayout())
ffmpeg.AvChannelLayoutCopy(frame.GetChLayoutAddr(), outputcodecContext.GetChLayoutAddr())
frame.SetFormat(outputcodecContext.GetSampleFmt())
frame.SetSampleRate(outputcodecContext.GetSampleRate())