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split ffctx to single file

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This commit is contained in:
nareix 2016-06-12 16:07:28 +08:00
parent 54c98210dd
commit 3c6c076e44
2 changed files with 40 additions and 39 deletions
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50
audio.go
View File

@ -1,20 +1,17 @@
package ffmpeg
/*
#include "ffmpeg.h"
int wrap_avcodec_decode_audio4(AVCodecContext *ctx, AVFrame *frame, void *data, int size, int *got) {
struct AVPacket pkt = {.data = data, .size = size};
return avcodec_decode_audio4(ctx, frame, got, &pkt);
}
int wrap_avresample_convert(AVAudioResampleContext *avr, int *out, int outsize, int outcount, int *in, int insize, int incount) {
return avresample_convert(avr, (void *)out, outsize, outcount, (void *)in, insize, incount);
}
*/
import "C"
import (
/*
#include "ffmpeg.h"
int wrap_avcodec_decode_audio4(AVCodecContext *ctx, AVFrame *frame, void *data, int size, int *got) {
struct AVPacket pkt = {.data = data, .size = size};
return avcodec_decode_audio4(ctx, frame, got, &pkt);
}
int wrap_avresample_convert(AVAudioResampleContext *avr, int *out, int outsize, int outcount, int *in, int insize, int incount) {
return avresample_convert(avr, (void *)out, outsize, outcount, (void *)in, insize, incount);
}
*/
"C"
"unsafe"
"runtime"
"fmt"
@ -24,10 +21,6 @@ import (
const debug = false
type ffctx struct {
ff C.FFCtx
}
type Resampler struct {
inSampleFormat, OutSampleFormat av.SampleFormat
inChannelLayout, OutChannelLayout av.ChannelLayout
@ -546,27 +539,6 @@ func HasDecoder(name string) bool {
//func EncodersList() []string
//func DecodersList() []string
func newFFCtxByCodec(codec *C.AVCodec) (ff *ffctx, err error) {
ff = &ffctx{}
ff.ff.codec = codec
ff.ff.codecCtx = C.avcodec_alloc_context3(codec)
runtime.SetFinalizer(ff, freeFFCtx)
return
}
func freeFFCtx(self *ffctx) {
ff := &self.ff
if ff.frame != nil {
C.av_frame_free(&ff.frame)
ff.frame = nil
}
if ff.codecCtx != nil {
C.avcodec_close(ff.codecCtx)
C.av_free(unsafe.Pointer(ff.codecCtx))
ff.codecCtx = nil
}
}
func NewAudioEncoderByCodecType(typ int) (enc *AudioEncoder, err error) {
var id uint32

29
ffmpeg.go
View File

@ -8,6 +8,10 @@ void ffinit() {
}
*/
import "C"
import (
"runtime"
"unsafe"
)
const (
QUIET = int(C.AV_LOG_QUIET)
@ -29,3 +33,28 @@ func init() {
C.ffinit()
}
type ffctx struct {
ff C.FFCtx
}
func newFFCtxByCodec(codec *C.AVCodec) (ff *ffctx, err error) {
ff = &ffctx{}
ff.ff.codec = codec
ff.ff.codecCtx = C.avcodec_alloc_context3(codec)
runtime.SetFinalizer(ff, freeFFCtx)
return
}
func freeFFCtx(self *ffctx) {
ff := &self.ff
if ff.frame != nil {
C.av_frame_free(&ff.frame)
ff.frame = nil
}
if ff.codecCtx != nil {
C.avcodec_close(ff.codecCtx)
C.av_free(unsafe.Pointer(ff.codecCtx))
ff.codecCtx = nil
}
}