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Diffstat (limited to 'libmpcodecs/ad_libvorbis.c')
-rw-r--r--libmpcodecs/ad_libvorbis.c350
1 files changed, 0 insertions, 350 deletions
diff --git a/libmpcodecs/ad_libvorbis.c b/libmpcodecs/ad_libvorbis.c
deleted file mode 100644
index a768095187..0000000000
--- a/libmpcodecs/ad_libvorbis.c
+++ /dev/null
@@ -1,350 +0,0 @@
-/*
- * This file is part of MPlayer.
- *
- * MPlayer is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * MPlayer is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdarg.h>
-#include <math.h>
-
-#include "config.h"
-#include "ad_internal.h"
-#include "libaf/reorder_ch.h"
-
-static const ad_info_t info =
-{
- "Ogg/Vorbis audio decoder",
-#ifdef CONFIG_TREMOR
- "tremor",
-#else
- "libvorbis",
-#endif
- "Felix Buenemann, A'rpi",
- "libvorbis",
- ""
-};
-
-LIBAD_EXTERN(libvorbis)
-
-#ifdef CONFIG_TREMOR
-#include <tremor/ivorbiscodec.h>
-#else
-#include <vorbis/codec.h>
-#endif
-
-// This struct is also defined in demux_ogg.c => common header ?
-typedef struct ov_struct_st {
- vorbis_info vi; /* struct that stores all the static vorbis bitstream
- settings */
- vorbis_comment vc; /* struct that stores all the bitstream user comments */
- vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
- vorbis_block vb; /* local working space for packet->PCM decode */
- float rg_scale; /* replaygain scale */
-#ifdef CONFIG_TREMOR
- int rg_scale_int;
-#endif
-} ov_struct_t;
-
-static int read_vorbis_comment( char* ptr, const char* comment, const char* format, ... ) {
- va_list va;
- int clen, ret;
-
- va_start( va, format );
- clen = strlen( comment );
- ret = strncasecmp( ptr, comment, clen) == 0 ? vsscanf( ptr+clen, format, va ) : 0;
- va_end( va );
-
- return ret;
-}
-
-static int preinit(sh_audio_t *sh)
-{
- sh->audio_out_minsize=1024*4; // 1024 samples/frame
- return 1;
-}
-
-static int init(sh_audio_t *sh)
-{
- unsigned int offset, i, length, hsizes[3];
- void *headers[3];
- unsigned char* extradata;
- ogg_packet op;
- vorbis_comment vc;
- struct ov_struct_st *ov;
-#define ERROR() { \
- vorbis_comment_clear(&vc); \
- vorbis_info_clear(&ov->vi); \
- free(ov); \
- return 0; \
- }
-
- /// Init the decoder with the 3 header packets
- ov = malloc(sizeof(struct ov_struct_st));
- vorbis_info_init(&ov->vi);
- vorbis_comment_init(&vc);
-
- if(! sh->wf) {
- mp_msg(MSGT_DECAUDIO,MSGL_ERR,"ad_vorbis, extradata seems to be absent! exit\n");
- ERROR();
- }
-
- if(! sh->wf->cbSize) {
- mp_msg(MSGT_DECAUDIO,MSGL_ERR,"ad_vorbis, extradata seems to be absent!, exit\n");
- ERROR();
- }
-
- mp_msg(MSGT_DECAUDIO,MSGL_V,"ad_vorbis, extradata seems is %d bytes long\n", sh->wf->cbSize);
- extradata = (char*) (sh->wf+1);
- if(!extradata) {
- mp_msg(MSGT_DECAUDIO,MSGL_ERR,"ad_vorbis, extradata seems to be NULL!, exit\n");
- ERROR();
- }
-
- if(*extradata != 2) {
- mp_msg (MSGT_DEMUX, MSGL_WARN, "ad_vorbis: Vorbis track does not contain valid headers.\n");
- ERROR();
- }
-
- offset = 1;
- for (i=0; i < 2; i++) {
- length = 0;
- while ((extradata[offset] == (unsigned char) 0xFF) && length < sh->wf->cbSize) {
- length += 255;
- offset++;
- }
- if(offset >= (sh->wf->cbSize - 1)) {
- mp_msg (MSGT_DEMUX, MSGL_WARN, "ad_vorbis: Vorbis track does not contain valid headers.\n");
- ERROR();
- }
- length += extradata[offset];
- offset++;
- mp_msg (MSGT_DEMUX, MSGL_V, "ad_vorbis, offset: %u, length: %u\n", offset, length);
- hsizes[i] = length;
- }
-
- headers[0] = &extradata[offset];
- headers[1] = &extradata[offset + hsizes[0]];
- headers[2] = &extradata[offset + hsizes[0] + hsizes[1]];
- hsizes[2] = sh->wf->cbSize - offset - hsizes[0] - hsizes[1];
- mp_msg (MSGT_DEMUX, MSGL_V, "ad_vorbis, header sizes: %d %d %d\n", hsizes[0], hsizes[1], hsizes[2]);
-
- for(i=0; i<3; i++) {
- op.bytes = hsizes[i];
- op.packet = headers[i];
- op.b_o_s = (i == 0);
- if(vorbis_synthesis_headerin(&ov->vi,&vc,&op) <0) {
- mp_msg(MSGT_DECAUDIO,MSGL_ERR,"OggVorbis: header n. %d broken! len=%ld\n", i, op.bytes);
- ERROR();
- }
- if(i == 2) {
- float rg_gain=0.f, rg_peak=0.f;
- char **ptr=vc.user_comments;
- while(*ptr){
- mp_msg(MSGT_DECAUDIO,MSGL_V,"OggVorbisComment: %s\n",*ptr);
- /* replaygain */
- read_vorbis_comment( *ptr, "replaygain_album_gain=", "%f", &rg_gain );
- read_vorbis_comment( *ptr, "rg_audiophile=", "%f", &rg_gain );
- if( !rg_gain ) {
- read_vorbis_comment( *ptr, "replaygain_track_gain=", "%f", &rg_gain );
- read_vorbis_comment( *ptr, "rg_radio=", "%f", &rg_gain );
- }
- read_vorbis_comment( *ptr, "replaygain_album_peak=", "%f", &rg_peak );
- if( !rg_peak ) {
- read_vorbis_comment( *ptr, "replaygain_track_peak=", "%f", &rg_peak );
- read_vorbis_comment( *ptr, "rg_peak=", "%f", &rg_peak );
- }
- ++ptr;
- }
- /* replaygain: scale */
- if(!rg_gain)
- ov->rg_scale = 1.f; /* just in case pow() isn't standard-conformant */
- else
- ov->rg_scale = pow(10.f, rg_gain/20);
- /* replaygain: anticlip */
- if(ov->rg_scale * rg_peak > 1.f)
- ov->rg_scale = 1.f / rg_peak;
- /* replaygain: security */
- if(ov->rg_scale > 15.)
- ov->rg_scale = 15.;
-#ifdef CONFIG_TREMOR
- ov->rg_scale_int = (int)(ov->rg_scale*64.f);
-#endif
- mp_msg(MSGT_DECAUDIO,MSGL_V,"OggVorbis: Bitstream is %d channel%s, %dHz, %dbit/s %cBR\n",(int)ov->vi.channels,ov->vi.channels>1?"s":"",(int)ov->vi.rate,(int)ov->vi.bitrate_nominal,
- (ov->vi.bitrate_lower!=ov->vi.bitrate_nominal)||(ov->vi.bitrate_upper!=ov->vi.bitrate_nominal)?'V':'C');
- if(rg_gain || rg_peak)
- mp_msg(MSGT_DECAUDIO,MSGL_V,"OggVorbis: Gain = %+.2f dB, Peak = %.4f, Scale = %.2f\n", rg_gain, rg_peak, ov->rg_scale);
- mp_msg(MSGT_DECAUDIO,MSGL_V,"OggVorbis: Encoded by: %s\n",vc.vendor);
- }
- }
-
- vorbis_comment_clear(&vc);
-
-// printf("lower=%d upper=%d \n",(int)ov->vi.bitrate_lower,(int)ov->vi.bitrate_upper);
-
- // Setup the decoder
- sh->channels=ov->vi.channels;
- sh->samplerate=ov->vi.rate;
- sh->samplesize=2;
- // assume 128kbit if bitrate not specified in the header
- sh->i_bps=((ov->vi.bitrate_nominal>0) ? ov->vi.bitrate_nominal : 128000)/8;
- sh->context = ov;
-
- /// Finish the decoder init
- vorbis_synthesis_init(&ov->vd,&ov->vi);
- vorbis_block_init(&ov->vd,&ov->vb);
- mp_msg(MSGT_DECAUDIO,MSGL_V,"OggVorbis: Init OK!\n");
-
- return 1;
-}
-
-static void uninit(sh_audio_t *sh)
-{
- struct ov_struct_st *ov = sh->context;
- vorbis_dsp_clear(&ov->vd);
- vorbis_block_clear(&ov->vb);
- vorbis_info_clear(&ov->vi);
- free(ov);
-}
-
-static int control(sh_audio_t *sh,int cmd,void* arg, ...)
-{
- switch(cmd)
- {
-#if 0
- case ADCTRL_RESYNC_STREAM:
- return CONTROL_TRUE;
- case ADCTRL_SKIP_FRAME:
- return CONTROL_TRUE;
-#endif
- }
- return CONTROL_UNKNOWN;
-}
-
-static int decode_audio(sh_audio_t *sh,unsigned char *buf,int minlen,int maxlen)
-{
- int len = 0;
- int samples;
-#ifdef CONFIG_TREMOR
- ogg_int32_t **pcm;
-#else
- float scale;
- float **pcm;
-#endif
- struct ov_struct_st *ov = sh->context;
- while(len < minlen) {
- while((samples=vorbis_synthesis_pcmout(&ov->vd,&pcm))<=0){
- ogg_packet op;
- double pts;
- memset(&op,0,sizeof(op)); //op.b_o_s = op.e_o_s = 0;
- op.bytes = ds_get_packet_pts(sh->ds,&op.packet, &pts);
- if(op.bytes<=0) break;
- if (pts != MP_NOPTS_VALUE) {
- sh->pts = pts;
- sh->pts_bytes = 0;
- }
- if(vorbis_synthesis(&ov->vb,&op)==0) /* test for success! */
- vorbis_synthesis_blockin(&ov->vd,&ov->vb);
- }
- if(samples<=0) break; // error/EOF
- while(samples>0){
- int i,j;
- int clipflag=0;
- int convsize=(maxlen-len)/(2*ov->vi.channels); // max size!
- int bout=((samples<convsize)?samples:convsize);
-
- if(bout<=0) break; // no buffer space
-
- /* convert floats to 16 bit signed ints (host order) and
- interleave */
-#ifdef CONFIG_TREMOR
- if (ov->rg_scale_int == 64) {
- for(i=0;i<ov->vi.channels;i++){
- ogg_int16_t *convbuffer=(ogg_int16_t *)(&buf[len]);
- ogg_int16_t *ptr=convbuffer+i;
- ogg_int32_t *mono=pcm[i];
- for(j=0;j<bout;j++){
- int val=mono[j]>>9;
- /* might as well guard against clipping */
- if(val>32767){
- val=32767;
- clipflag=1;
- }
- if(val<-32768){
- val=-32768;
- clipflag=1;
- }
- *ptr=val;
- ptr+=ov->vi.channels;
- }
- }
- } else
-#endif /* CONFIG_TREMOR */
- {
-#ifndef CONFIG_TREMOR
- scale = 32767.f * ov->rg_scale;
-#endif
- for(i=0;i<ov->vi.channels;i++){
- ogg_int16_t *convbuffer=(ogg_int16_t *)(&buf[len]);
- ogg_int16_t *ptr=convbuffer+i;
-#ifdef CONFIG_TREMOR
- ogg_int32_t *mono=pcm[i];
- for(j=0;j<bout;j++){
- int val=(mono[j]*ov->rg_scale_int)>>(9+6);
-#else
- float *mono=pcm[i];
- for(j=0;j<bout;j++){
- int val=mono[j]*scale;
- /* might as well guard against clipping */
- if(val>32767){
- val=32767;
- clipflag=1;
- }
- if(val<-32768){
- val=-32768;
- clipflag=1;
- }
-#endif /* CONFIG_TREMOR */
- *ptr=val;
- ptr+=ov->vi.channels;
- }
- }
- }
-
- if(clipflag)
- mp_msg(MSGT_DECAUDIO,MSGL_DBG2,"Clipping in frame %ld\n",(long)(ov->vd.sequence));
- len+=2*ov->vi.channels*bout;
- sh->pts_bytes += 2*ov->vi.channels*bout;
- mp_msg(MSGT_DECAUDIO,MSGL_DBG2,"\n[decoded: %d / %d ]\n",bout,samples);
- samples-=bout;
- vorbis_synthesis_read(&ov->vd,bout); /* tell libvorbis how
- many samples we
- actually consumed */
- } //while(samples>0)
-// if (!samples) break; // why? how?
- }
-
- if (len > 0 && ov->vi.channels >= 5) {
- reorder_channel_nch(buf, AF_CHANNEL_LAYOUT_VORBIS_DEFAULT,
- AF_CHANNEL_LAYOUT_MPLAYER_DEFAULT,
- ov->vi.channels, len / sh->samplesize,
- sh->samplesize);
- }
-
-
- return len;
-}
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