xenia-project/FFmpeg
1
0
Fork 0
mirror of https://github.com/xenia-project/FFmpeg.git synced 2024-11-24 03:59:43 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

remove function call from muxer->encoder and cleanly pass global headers

Browse Source 
Originally committed as revision 2956 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-04-04 15:19:20 +00:00
parent 6d8f985ecf
commit bbb77e7c2e
3 changed files with 46 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
libavcodec/oggvorbis.c
View File

@ -7,7 +7,6 @@
#include <vorbis/vorbisenc.h>
#include "avcodec.h"
#include "oggvorbis.h"
//#define OGGVORBIS_FRAME_SIZE 1024
#define OGGVORBIS_FRAME_SIZE 64
@ -27,7 +26,7 @@ typedef struct OggVorbisContext {
} OggVorbisContext ;
int oggvorbis_init_encoder(vorbis_info *vi, AVCodecContext *avccontext) {
static int oggvorbis_init_encoder(vorbis_info *vi, AVCodecContext *avccontext) {
#ifdef OGGVORBIS_VBR_BY_ESTIMATE
/* variable bitrate by estimate */
@ -44,9 +43,10 @@ int oggvorbis_init_encoder(vorbis_info *vi, AVCodecContext *avccontext) {
#endif
}
static int oggvorbis_encode_init(AVCodecContext *avccontext) {
OggVorbisContext *context = avccontext->priv_data ;
ogg_packet header, header_comm, header_code;
uint8_t *p;
vorbis_info_init(&context->vi) ;
if(oggvorbis_init_encoder(&context->vi, avccontext) < 0) {
@ -56,6 +56,34 @@ static int oggvorbis_encode_init(AVCodecContext *avccontext) {
vorbis_analysis_init(&context->vd, &context->vi) ;
vorbis_block_init(&context->vd, &context->vb) ;
vorbis_comment_init(&context->vc);
vorbis_comment_add_tag(&context->vc, "encoder", LIBAVCODEC_IDENT) ;
vorbis_analysis_headerout(&context->vd, &context->vc, &header,
&header_comm, &header_code);
avccontext->extradata_size= 3*2 + header.bytes + header_comm.bytes + header_code.bytes;
p= avccontext->extradata= av_mallocz(avccontext->extradata_size);
*(p++) = header.bytes>>8;
*(p++) = header.bytes&0xFF;
memcpy(p, header.packet, header.bytes);
p += header.bytes;
*(p++) = header_comm.bytes>>8;
*(p++) = header_comm.bytes&0xFF;
memcpy(p, header_comm.packet, header_comm.bytes);
p += header_comm.bytes;
*(p++) = header_code.bytes>>8;
*(p++) = header_code.bytes&0xFF;
memcpy(p, header_code.packet, header_code.bytes);
/* vorbis_block_clear(&context->vb);
vorbis_dsp_clear(&context->vd);
vorbis_info_clear(&context->vi);*/
vorbis_comment_clear(&context->vc);
avccontext->frame_size = OGGVORBIS_FRAME_SIZE ;
avccontext->coded_frame= avcodec_alloc_frame();
@ -103,7 +131,7 @@ static int oggvorbis_encode_frame(AVCodecContext *avccontext,
}
if(context->buffer_index){
ogg_packet *op2= context->buffer;
ogg_packet *op2= (ogg_packet*)context->buffer;
op2->packet = context->buffer + sizeof(ogg_packet);
l= op2->bytes;
@ -143,6 +171,7 @@ static int oggvorbis_encode_close(AVCodecContext *avccontext) {
vorbis_info_clear(&context->vi);
av_freep(&avccontext->coded_frame);
av_freep(&avccontext->extradata);
return 0 ;
}

15
libavcodec/oggvorbis.h
View File

@ -1,15 +0,0 @@
/**
* @file oggvorbis.h
* oggvorbis.
*/
#ifndef AVCODEC_OGGVORBIS_H
#define AVCODEC_OGGVORBIS_H
#include <vorbis/vorbisenc.h>
#include "avcodec.h"
int oggvorbis_init_encoder(vorbis_info *vi, AVCodecContext *avccontext) ;
#endif

53
libavformat/ogg.c
View File

@ -9,10 +9,8 @@
#include <stdio.h>
#include <ogg/ogg.h>
#include <vorbis/vorbisenc.h>
#include "avformat.h"
#include "oggvorbis.h"
#undef NDEBUG
#include <assert.h>
@ -35,52 +33,28 @@ typedef struct OggContext {
static int ogg_write_header(AVFormatContext *avfcontext)
{
OggContext *context = avfcontext->priv_data;
AVCodecContext *avccontext ;
vorbis_info vi ;
vorbis_dsp_state vd ;
vorbis_comment vc ;
vorbis_block vb ;
ogg_packet header, header_comm, header_code ;
int n ;
ogg_packet *op= &context->op;
int n, i;
av_set_pts_info(avfcontext, 60, 1, AV_TIME_BASE);
ogg_stream_init(&context->os, 31415);
for(n = 0 ; n < avfcontext->nb_streams ; n++) {
avccontext = &avfcontext->streams[n]->codec ;
AVCodecContext *codec = &avfcontext->streams[n]->codec;
uint8_t *p= codec->extradata;
for(i=0; i < codec->extradata_size; i+= op->bytes){
op->bytes = p[i++]<<8;
op->bytes+= p[i++];
/* begin vorbis specific code */
vorbis_info_init(&vi) ;
op->packet= &p[i];
op->b_o_s= op->packetno==0;
/* code copied from libavcodec/oggvorbis.c */
ogg_stream_packetin(&context->os, op);
if(oggvorbis_init_encoder(&vi, avccontext) < 0) {
fprintf(stderr, "ogg_write_header: init_encoder failed") ;
return -1 ;
}
vorbis_analysis_init(&vd, &vi) ;
vorbis_block_init(&vd, &vb) ;
vorbis_comment_init(&vc) ;
vorbis_comment_add_tag(&vc, "encoder", LIBAVFORMAT_IDENT) ;
if(*avfcontext->title)
vorbis_comment_add_tag(&vc, "title", avfcontext->title) ;
vorbis_analysis_headerout(&vd, &vc, &header,
&header_comm, &header_code) ;
ogg_stream_packetin(&context->os, &header) ;
ogg_stream_packetin(&context->os, &header_comm) ;
ogg_stream_packetin(&context->os, &header_code) ;
vorbis_block_clear(&vb) ;
vorbis_dsp_clear(&vd) ;
vorbis_info_clear(&vi) ;
vorbis_comment_clear(&vc) ;
/* end of vorbis specific code */
op->packetno++; //FIXME multiple streams
}
context->header_handled = 0 ;
}
@ -88,7 +62,6 @@ static int ogg_write_header(AVFormatContext *avfcontext)
return 0 ;
}
static int ogg_write_packet(AVFormatContext *avfcontext,
int stream_index,
const uint8_t *buf, int size, int64_t pts)