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add error msg

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This commit is contained in:
nareix 2016-06-12 09:01:54 +08:00
parent 3926d8cace
commit 54c98210dd
1 changed files with 13 additions and 13 deletions
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26
audio.go
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@ -64,7 +64,7 @@ func (self *Resampler) Resample(in av.AudioFrame) (out av.AudioFrame, err error)
nil, C.int(0), C.int(0),
))
if convertSamples < 0 {
err = fmt.Errorf("avresample_convert_frame failed")
err = fmt.Errorf("ffmpeg: avresample_convert_frame failed")
return
}
flush.SampleCount = convertSamples
@ -129,7 +129,7 @@ func (self *Resampler) Resample(in av.AudioFrame) (out av.AudioFrame, err error)
(*C.int)(unsafe.Pointer(&inData[0])), C.int(inLinesize), C.int(inSampleCount),
))
if convertSamples < 0 {
err = fmt.Errorf("avresample_convert_frame failed")
err = fmt.Errorf("ffmpeg: avresample_convert_frame failed")
return
}
out.SampleCount = convertSamples
@ -291,7 +291,7 @@ func (self *AudioEncoder) encodeOne(frame av.AudioFrame) (gotpkt bool, pkt av.Pa
}
cerr := C.avcodec_encode_audio2(ff.codecCtx, &cpkt, ff.frame, &cgotpkt)
if cerr < C.int(0) {
err = fmt.Errorf("avcodec_encode_audio2 failed: %d", cerr)
err = fmt.Errorf("ffmpeg: avcodec_encode_audio2 failed: %d", cerr)
return
}
@ -514,7 +514,7 @@ func (self *AudioDecoder) Decode(data []byte) (gotframe bool, frame av.AudioFram
cerr := C.wrap_avcodec_decode_audio4(ff.codecCtx, ff.frame, unsafe.Pointer(&data[0]), C.int(len(data)), &cgotframe)
if cerr < C.int(0) {
err = fmt.Errorf("avcodec_decode_audio4 failed: %d", cerr)
err = fmt.Errorf("ffmpeg: avcodec_decode_audio4 failed: %d", cerr)
return
}
@ -575,18 +575,18 @@ func NewAudioEncoderByCodecType(typ int) (enc *AudioEncoder, err error) {
id = C.AV_CODEC_ID_AAC
default:
err = fmt.Errorf("cannot find encoder codecType=%d", typ)
err = fmt.Errorf("ffmpeg: cannot find encoder codecType=%d", typ)
return
}
codec := C.avcodec_find_encoder(id)
if codec == nil {
err = fmt.Errorf("cannot find encoder codecId=%d", id)
err = fmt.Errorf("ffmpeg: cannot find encoder codecId=%d", id)
return
}
if C.avcodec_get_type(id) != C.AVMEDIA_TYPE_AUDIO {
err = fmt.Errorf("codecId=%d is not audio", id)
err = fmt.Errorf("ffmpeg: codecId=%d is not audio", id)
return
}
@ -603,11 +603,11 @@ func NewAudioEncoderByName(name string) (enc *AudioEncoder, err error) {
codec := C.avcodec_find_encoder_by_name(C.CString(name))
if codec == nil {
err = fmt.Errorf("cannot find encoder=%s", name)
err = fmt.Errorf("ffmpeg: cannot find encoder=%s", name)
return
}
if C.avcodec_get_type(codec.id) != C.AVMEDIA_TYPE_AUDIO {
err = fmt.Errorf("encoder=%s type is not audio", name)
err = fmt.Errorf("ffmpeg: encoder=%s type is not audio", name)
return
}
@ -628,7 +628,7 @@ func NewAudioDecoder(codec av.AudioCodecData) (dec *AudioDecoder, err error) {
_dec.Extradata = aaccodec.MPEG4AudioConfigBytes()
id = C.AV_CODEC_ID_AAC
} else {
err = fmt.Errorf("aac CodecData must be av.AACCodecData")
err = fmt.Errorf("ffmpeg: aac CodecData must be av.AACCodecData")
return
}
@ -644,19 +644,19 @@ func NewAudioDecoder(codec av.AudioCodecData) (dec *AudioDecoder, err error) {
_dec.Extradata = ffcodec.extradata
id = ffcodec.codecId
} else {
err = fmt.Errorf("invalid CodecData for ffmpeg to decode")
err = fmt.Errorf("ffmpeg: invalid CodecData for ffmpeg to decode")
return
}
}
c := C.avcodec_find_decoder(id)
if c == nil {
err = fmt.Errorf("cannot find decoder id=%d", id)
err = fmt.Errorf("ffmpeg: cannot find decoder id=%d", id)
return
}
if C.avcodec_get_type(c.id) != C.AVMEDIA_TYPE_AUDIO {
err = fmt.Errorf("decoder id=%d type is not audio", c.id)
err = fmt.Errorf("ffmpeg: decoder id=%d type is not audio", c.id)
return
}