changed LFLAGS so it works on ubuntu and switched to non-deprecated libav calls

This commit is contained in:
Paul Kohler 2015-12-10 12:54:21 -05:00
parent 6e08365b9b
commit 0b26955b16
5 changed files with 151 additions and 162 deletions

View File

@ -1,43 +1,42 @@
package codec
import (
/*
#include <libavcodec/avcodec.h>
#include <libavutil/avutil.h>
#include <string.h>
#include <stdio.h>
#include <libavcodec/avcodec.h>
#include <libavutil/avutil.h>
#include <string.h>
#include <stdio.h>
typedef struct {
AVCodec *c;
AVCodecContext *ctx;
AVFrame *f;
int got;
} aacdec_t ;
typedef struct {
AVCodec *c;
AVCodecContext *ctx;
AVFrame *f;
int got;
} aacdec_t ;
static int aacdec_new(aacdec_t *m, uint8_t *buf, int len) {
m->c = avcodec_find_decoder(CODEC_ID_AAC);
m->ctx = avcodec_alloc_context3(m->c);
m->f = avcodec_alloc_frame();
m->ctx->extradata = buf;
m->ctx->extradata_size = len;
m->ctx->debug = 0x3;
av_log(m->ctx, AV_LOG_DEBUG, "m %p\n", m);
return avcodec_open2(m->ctx, m->c, 0);
}
static int aacdec_new(aacdec_t *m, uint8_t *buf, int len) {
m->c = avcodec_find_decoder(CODEC_ID_AAC);
m->ctx = avcodec_alloc_context3(m->c);
m->f = avcodec_alloc_frame();
m->ctx->extradata = buf;
m->ctx->extradata_size = len;
m->ctx->debug = 0x3;
av_log(m->ctx, AV_LOG_DEBUG, "m %p\n", m);
return avcodec_open2(m->ctx, m->c, 0);
}
static int aacdec_decode(aacdec_t *m, uint8_t *data, int len) {
AVPacket pkt;
av_init_packet(&pkt);
pkt.data = data;
pkt.size = len;
av_log(m->ctx, AV_LOG_DEBUG, "decode %p\n", m);
return avcodec_decode_audio4(m->ctx, m->f, &m->got, &pkt);
}
static int aacdec_decode(aacdec_t *m, uint8_t *data, int len) {
AVPacket pkt;
av_init_packet(&pkt);
pkt.data = data;
pkt.size = len;
av_log(m->ctx, AV_LOG_DEBUG, "decode %p\n", m);
return avcodec_decode_audio4(m->ctx, m->f, &m->got, &pkt);
}
*/
"C"
"unsafe"
"errors"
"unsafe"
)
type AACDecoder struct {
@ -70,7 +69,7 @@ func (m *AACDecoder) Decode(data []byte) (sample []byte, err error) {
err = errors.New("no data")
return
}
size := int(m.m.f.linesize[0])*2
size := int(m.m.f.linesize[0]) * 2
sample = make([]byte, size*2)
for i := 0; i < 2; i++ {
C.memcpy(
@ -81,4 +80,3 @@ func (m *AACDecoder) Decode(data []byte) (sample []byte, err error) {
}
return
}

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@ -1,56 +1,55 @@
package codec
import (
/*
#include <libavcodec/avcodec.h>
#include <libavutil/avutil.h>
#include <string.h>
#include <libavcodec/avcodec.h>
#include <libavutil/avutil.h>
#include <string.h>
typedef struct {
AVCodec *c;
AVCodecContext *ctx;
AVFrame *f;
int got;
uint8_t buf[1024*10]; int size;
int samplerate; int bitrate;
int channels;
} aacenc_t ;
typedef struct {
AVCodec *c;
AVCodecContext *ctx;
AVFrame *f;
int got;
uint8_t buf[1024*10]; int size;
int samplerate; int bitrate;
int channels;
} aacenc_t ;
static int aacenc_new(aacenc_t *m) {
m->c = avcodec_find_encoder(CODEC_ID_AAC);
m->ctx = avcodec_alloc_context3(m->c);
m->ctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
m->ctx->sample_rate = m->samplerate;
m->ctx->bit_rate = m->bitrate;
m->ctx->channels = m->channels;
m->ctx->strict_std_compliance = FF_COMPLIANCE_EXPERIMENTAL;
m->f = avcodec_alloc_frame();
int r = avcodec_open2(m->ctx, m->c, 0);
av_log(m->ctx, AV_LOG_DEBUG, "extra %d\n", m->ctx->extradata_size);
return r;
}
static int aacenc_new(aacenc_t *m) {
m->c = avcodec_find_encoder(CODEC_ID_AAC);
m->ctx = avcodec_alloc_context3(m->c);
m->ctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
m->ctx->sample_rate = m->samplerate;
m->ctx->bit_rate = m->bitrate;
m->ctx->channels = m->channels;
m->ctx->strict_std_compliance = FF_COMPLIANCE_EXPERIMENTAL;
m->f = avcodec_alloc_frame();
int r = avcodec_open2(m->ctx, m->c, 0);
av_log(m->ctx, AV_LOG_DEBUG, "extra %d\n", m->ctx->extradata_size);
return r;
}
static void aacenc_encode(aacenc_t *m) {
AVPacket pkt;
av_init_packet(&pkt);
pkt.data = m->buf;
pkt.size = sizeof(m->buf);
m->f->nb_samples = 1024;
m->f->extended_data = m->f->data;
m->f->linesize[0] = 4096;
avcodec_encode_audio2(m->ctx, &pkt, m->f, &m->got);
av_log(m->ctx, AV_LOG_DEBUG, "got %d size %d\n", m->got, pkt.size);
m->size = pkt.size;
}
static void aacenc_encode(aacenc_t *m) {
AVPacket pkt;
av_init_packet(&pkt);
pkt.data = m->buf;
pkt.size = sizeof(m->buf);
m->f->nb_samples = 1024;
m->f->extended_data = m->f->data;
m->f->linesize[0] = 4096;
avcodec_encode_audio2(m->ctx, &pkt, m->f, &m->got);
av_log(m->ctx, AV_LOG_DEBUG, "got %d size %d\n", m->got, pkt.size);
m->size = pkt.size;
}
*/
"C"
"unsafe"
"errors"
"unsafe"
)
type AACEncoder struct {
m C.aacenc_t
m C.aacenc_t
Header []byte
}
@ -90,4 +89,3 @@ func (m *AACEncoder) Encode(sample []byte) (ret []byte, err error) {
)
return
}

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@ -1,41 +1,40 @@
package codec
import (
/*
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/avutil.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/avutil.h>
typedef struct {
AVCodec *c;
AVCodecContext *ctx;
AVFrame *f;
int got;
} h264dec_t ;
typedef struct {
AVCodec *c;
AVCodecContext *ctx;
AVFrame *f;
int got;
} h264dec_t ;
static int h264dec_new(h264dec_t *h, uint8_t *data, int len) {
h->c = avcodec_find_decoder(CODEC_ID_H264);
h->ctx = avcodec_alloc_context3(h->c);
h->f = avcodec_alloc_frame();
h->ctx->extradata = data;
h->ctx->extradata_size = len;
h->ctx->debug = 0x3;
return avcodec_open2(h->ctx, h->c, 0);
}
static int h264dec_new(h264dec_t *h, uint8_t *data, int len) {
h->c = avcodec_find_decoder(CODEC_ID_H264);
h->ctx = avcodec_alloc_context3(h->c);
h->f = avcodec_alloc_frame();
h->ctx->extradata = data;
h->ctx->extradata_size = len;
h->ctx->debug = 0x3;
return avcodec_open2(h->ctx, h->c, 0);
}
static int h264dec_decode(h264dec_t *h, uint8_t *data, int len) {
AVPacket pkt;
av_init_packet(&pkt);
pkt.data = data;
pkt.size = len;
return avcodec_decode_video2(h->ctx, h->f, &h->got, &pkt);
}
static int h264dec_decode(h264dec_t *h, uint8_t *data, int len) {
AVPacket pkt;
av_init_packet(&pkt);
pkt.data = data;
pkt.size = len;
return avcodec_decode_video2(h->ctx, h->f, &h->got, &pkt);
}
*/
"C"
"unsafe"
"errors"
"image"
"unsafe"
)
type H264Decoder struct {
@ -76,15 +75,14 @@ func (m *H264Decoder) Decode(nal []byte) (f *image.YCbCr, err error) {
cs := int(m.m.f.linesize[1])
f = &image.YCbCr{
Y: fromCPtr(unsafe.Pointer(m.m.f.data[0]), ys*h),
Cb: fromCPtr(unsafe.Pointer(m.m.f.data[1]), cs*h/2),
Cr: fromCPtr(unsafe.Pointer(m.m.f.data[2]), cs*h/2),
YStride: ys,
CStride: cs,
Y: fromCPtr(unsafe.Pointer(m.m.f.data[0]), ys*h),
Cb: fromCPtr(unsafe.Pointer(m.m.f.data[1]), cs*h/2),
Cr: fromCPtr(unsafe.Pointer(m.m.f.data[2]), cs*h/2),
YStride: ys,
CStride: cs,
SubsampleRatio: image.YCbCrSubsampleRatio420,
Rect: image.Rect(0, 0, w, h),
Rect: image.Rect(0, 0, w, h),
}
return
}

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@ -1,56 +1,55 @@
package codec
import (
/*
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/avutil.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/avutil.h>
typedef struct {
int w, h;
int pixfmt;
char *preset[2];
char *profile;
int bitrate;
int got;
AVCodec *c;
AVCodecContext *ctx;
AVFrame *f;
AVPacket pkt;
} h264enc_t;
typedef struct {
int w, h;
int pixfmt;
char *preset[2];
char *profile;
int bitrate;
int got;
AVCodec *c;
AVCodecContext *ctx;
AVFrame *f;
AVPacket pkt;
} h264enc_t;
static int h264enc_new(h264enc_t *m) {
m->c = avcodec_find_encoder(CODEC_ID_H264);
m->ctx = avcodec_alloc_context3(m->c);
m->ctx->width = m->w;
m->ctx->height = m->h;
m->ctx->bit_rate = m->bitrate;
m->ctx->pix_fmt = m->pixfmt;
m->ctx->flags |= CODEC_FLAG_GLOBAL_HEADER;
m->f = avcodec_alloc_frame();
return avcodec_open2(m->ctx, m->c, NULL);
}
static int h264enc_new(h264enc_t *m) {
m->c = avcodec_find_encoder(CODEC_ID_H264);
m->ctx = avcodec_alloc_context3(m->c);
m->ctx->width = m->w;
m->ctx->height = m->h;
m->ctx->bit_rate = m->bitrate;
m->ctx->pix_fmt = m->pixfmt;
m->ctx->flags |= CODEC_FLAG_GLOBAL_HEADER;
m->f = avcodec_alloc_frame();
return avcodec_open2(m->ctx, m->c, NULL);
}
*/
"C"
"unsafe"
"image"
"errors"
"image"
"strings"
"unsafe"
//"log"
)
type H264Encoder struct {
m C.h264enc_t
m C.h264enc_t
Header []byte
Pixfmt image.YCbCrSubsampleRatio
W, H int
W, H int
}
func NewH264Encoder(
@ -94,7 +93,7 @@ func NewH264Encoder(
type h264Out struct {
Data []byte
Key bool
Key bool
}
func (m *H264Encoder) Encode(img *image.YCbCr) (out h264Out, err error) {
@ -111,12 +110,12 @@ func (m *H264Encoder) Encode(img *image.YCbCr) (out h264Out, err error) {
return
}
f = m.m.f
f.data[0] = (*C.uint8_t)(unsafe.Pointer(&img.Y[0]));
f.data[1] = (*C.uint8_t)(unsafe.Pointer(&img.Cb[0]));
f.data[2] = (*C.uint8_t)(unsafe.Pointer(&img.Cr[0]));
f.linesize[0] = (C.int)(img.YStride);
f.linesize[1] = (C.int)(img.CStride);
f.linesize[2] = (C.int)(img.CStride);
f.data[0] = (*C.uint8_t)(unsafe.Pointer(&img.Y[0]))
f.data[1] = (*C.uint8_t)(unsafe.Pointer(&img.Cb[0]))
f.data[2] = (*C.uint8_t)(unsafe.Pointer(&img.Cr[0]))
f.linesize[0] = (C.int)(img.YStride)
f.linesize[1] = (C.int)(img.CStride)
f.linesize[2] = (C.int)(img.CStride)
}
C.av_init_packet(&m.m.pkt)
@ -130,7 +129,7 @@ func (m *H264Encoder) Encode(img *image.YCbCr) (out h264Out, err error) {
err = errors.New("no picture")
return
}
if (m.m.pkt.size == 0) {
if m.m.pkt.size == 0 {
err = errors.New("packet size == 0")
return
}
@ -145,4 +144,3 @@ func (m *H264Encoder) Encode(img *image.YCbCr) (out h264Out, err error) {
return
}

19
util.go
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@ -1,4 +1,3 @@
/*
Golang h264,aac decoder/encoder libav wrapper
@ -19,19 +18,19 @@ Golang h264,aac decoder/encoder libav wrapper
package codec
import (
"unsafe"
"reflect"
"unsafe"
/*
#cgo darwin LDFLAGS: -lavformat -lavutil -lavcodec
#cgo LDFLAGS: -lavformat -lavutil -lavcodec
#include <libavutil/avutil.h>
#include <libavformat/avformat.h>
#include <libavutil/avutil.h>
#include <libavformat/avformat.h>
static void libav_init() {
av_register_all();
av_log_set_level(AV_LOG_DEBUG);
}
static void libav_init() {
av_register_all();
av_log_set_level(AV_LOG_DEBUG);
}
*/
"C"
)
@ -47,5 +46,3 @@ func fromCPtr(buf unsafe.Pointer, size int) (ret []uint8) {
hdr.Data = uintptr(buf)
return
}