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using sh->context 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5448 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2002-04-01 13:10:03 +00:00
parent cb0a9858ab
commit 2870aa4331
1 changed files with 41 additions and 14 deletions
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55
libmpcodecs/ad_ffmpeg.c
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@ -25,12 +25,20 @@ static ad_info_t info =
LIBAD_EXTERN(ffmpeg)
#define assert(x)
#include "../libavcodec/avcodec.h"
static AVCodec *lavc_codec=NULL;
static AVCodecContext lavc_context;
#ifdef USE_LIBAVCODEC_SO
#include <libffmpeg/avcodec.h>
#else
#include "libavcodec/avcodec.h"
#endif
extern int avcodec_inited;
typedef struct {
AVCodec *lavc_codec;
AVCodecContext *lavc_context;
} ad_ffmpeg_ctx;
static int preinit(sh_audio_t *sh)
{
sh->audio_out_minsize=AVCODEC_MAX_AUDIO_FRAME_SIZE;
@ -39,21 +47,32 @@ static int preinit(sh_audio_t *sh)
static int init(sh_audio_t *sh_audio)
{
int x;
mp_msg(MSGT_DECAUDIO,MSGL_V,"FFmpeg's libavcodec audio codec\n");
int x;
ad_ffmpeg_ctx *ctx;
mp_msg(MSGT_DECAUDIO,MSGL_V,"FFmpeg's libavcodec audio codec\n");
if(!avcodec_inited){
avcodec_init();
avcodec_register_all();
avcodec_inited=1;
}
lavc_codec = (AVCodec *)avcodec_find_decoder_by_name(sh_audio->codec->dll);
if(!lavc_codec){
ctx = sh_audio->context = malloc(sizeof(ad_ffmpeg_ctx));
if (!ctx)
return(0);
memset(ctx, 0, sizeof(ad_ffmpeg_ctx));
ctx->lavc_codec = (AVCodec *)avcodec_find_decoder_by_name(sh_audio->codec->dll);
if(!ctx->lavc_codec){
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_MissingLAVCcodec,sh_audio->codec->dll);
return 0;
}
memset(&lavc_context, 0, sizeof(lavc_context));
ctx->lavc_context = malloc(sizeof(AVCodecContext));
memset(ctx->lavc_context, 0, sizeof(AVCodecContext));
/* open it */
if (avcodec_open(&lavc_context, lavc_codec) < 0) {
if (avcodec_open(ctx->lavc_context, ctx->lavc_codec) < 0) {
mp_msg(MSGT_DECAUDIO,MSGL_ERR, MSGTR_CantOpenCodec);
return 0;
}
@ -64,9 +83,9 @@ static int init(sh_audio_t *sh_audio)
if(x>0) sh_audio->a_buffer_len=x;
#if 1
sh_audio->channels=lavc_context.channels;
sh_audio->samplerate=lavc_context.sample_rate;
sh_audio->i_bps=lavc_context.bit_rate/8;
sh_audio->channels=ctx->lavc_context->channels;
sh_audio->samplerate=ctx->lavc_context->sample_rate;
sh_audio->i_bps=ctx->lavc_context->bit_rate/8;
#else
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
@ -77,7 +96,14 @@ static int init(sh_audio_t *sh_audio)
static void uninit(sh_audio_t *sh)
{
avcodec_close(&lavc_context);
ad_ffmpeg_ctx *ctx = sh->context;
if (avcodec_close(ctx->lavc_context) < 0)
mp_msg(MSGT_DECVIDEO, MSGL_ERR, MSGTR_CantCloseCodec);
if (ctx->lavc_context)
free(ctx->lavc_context);
if (ctx)
free(ctx);
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
@ -88,13 +114,14 @@ static int control(sh_audio_t *sh,int cmd,void* arg, ...)
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
ad_ffmpeg_ctx *ctx = sh_audio->context;
unsigned char *start=NULL;
int y,len=-1;
while(len<minlen){
int len2=0;
int x=ds_get_packet(sh_audio->ds,&start);
if(x<=0) break; // error
y=avcodec_decode_audio(&lavc_context,(INT16*)buf,&len2,start,x);
y=avcodec_decode_audio(ctx->lavc_context,(INT16*)buf,&len2,start,x);
if(y<0){ mp_msg(MSGT_DECAUDIO,MSGL_V,"lavc_audio: error\n");break; }
if(y<x) sh_audio->ds->buffer_pos+=y-x; // put back data (HACK!)
if(len2>0){