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authorarpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>2002-04-18 14:45:43 +0000
committerarpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>2002-04-18 14:45:43 +0000
commit6fb8cd89774bf8972963863e4d23e4cf03a709c9 (patch)
tree324bb4ec3b47b6728382a9437b98217a656b0c10 /libmpeg2
parent92c3b9234abd1d9d3fa16c8b3adface31c776c55 (diff)
downloadmpv-6fb8cd89774bf8972963863e4d23e4cf03a709c9.tar.bz2
mpv-6fb8cd89774bf8972963863e4d23e4cf03a709c9.tar.xz
obsoleted, use vd_libmpeg2.c
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5675 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpeg2')
-rw-r--r--libmpeg2/decode.c391
1 files changed, 0 insertions, 391 deletions
diff --git a/libmpeg2/decode.c b/libmpeg2/decode.c
deleted file mode 100644
index 5f508d6af5..0000000000
--- a/libmpeg2/decode.c
+++ /dev/null
@@ -1,391 +0,0 @@
-/* Copyright (C) Aaron Holtzman <aholtzma@ess.engr.uvic.ca> - Nov 1999 */
-/* Some cleanup & hacking by A'rpi/ESP-team - Oct 2000 */
-
-/* mpeg2dec version: */
-#define PACKAGE "mpeg2dec"
-#define VERSION "0.2.0-release"
-
-#include "config.h"
-
-#include <stdio.h>
-#ifdef HAVE_MALLOC_H
-#include <malloc.h>
-#endif
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-
-#include <signal.h>
-#include <setjmp.h>
-
-
-
-#include "video_out.h"
-#include <inttypes.h>
-
-#include "mpeg2.h"
-#include "mpeg2_internal.h"
-
-#include "../linux/shmem.h"
-
-//#include "motion_comp.h"
-//#include "idct.h"
-//#include "header.h"
-//#include "slice.h"
-//#include "stats.h"
-
-#include "attributes.h"
-#ifdef __i386__
-#include "mmx.h"
-#endif
-
-#include "mm_accel.h"
-
-#include "../cpudetect.h"
-
-//this is where we keep the state of the decoder
-//picture_t picture_data;
-//picture_t *picture=&picture_data;
-picture_t *picture=NULL;
-
-//global config struct
-mpeg2_config_t config;
-
-// the maximum chunk size is determined by vbv_buffer_size which is 224K for
-// MP@ML streams. (we make no pretenses ofdecoding anything more than that)
-//static uint8_t chunk_buffer[224 * 1024 + 4];
-//static uint32_t shift = 0;
-
-//static int drop_flag = 0;
-static int drop_frame = 0;
-
-#ifdef MPEG12_POSTPROC
-#include "../postproc/postprocess.h"
-int quant_store[MPEG2_MBR+1][MPEG2_MBC+1]; // [Review]
-#endif
-
-static table_init_state=0;
-
-void mpeg2_init (void)
-{
-
- printf (PACKAGE"-"VERSION" (C) 2000-2001 Aaron Holtzman & Michel Lespinasse\n");
- config.flags = 0;
-if(gCpuCaps.hasMMX)
- config.flags |= MM_ACCEL_X86_MMX;
-if(gCpuCaps.hasMMX2)
- config.flags |= MM_ACCEL_X86_MMXEXT;
-if(gCpuCaps.has3DNow)
- config.flags |= MM_ACCEL_X86_3DNOW;
-#ifdef HAVE_MLIB
- config.flags |= MM_ACCEL_MLIB;
-#endif
-
-// printf("libmpeg2 config flags = 0x%X\n",config.flags);
-
- picture=malloc(sizeof(picture_t)); // !!! NEW HACK :) !!!
- memset(picture,0,sizeof(picture_t));
-
- header_state_init (picture);
-// picture->repeat_count=0;
-
- picture->pp_options=0;
-
- if(!table_init_state){
- idct_init ();
- motion_comp_init ();
- table_init_state=1;
- }
-}
-
-static vo_frame_t frames[4];
-
-void mpeg2_allocate_image_buffers (picture_t * picture)
-{
- int frame_size,buff_size;
- unsigned char *base=NULL;
- int i;
-
- // height+1 requires for yuv2rgb_mmx code (it reads next line after last)
- frame_size = picture->coded_picture_width * (1+picture->coded_picture_height);
- frame_size = (frame_size+31)&(~31); // align to 32 byte boundary
- buff_size = frame_size + (frame_size/4)*2; // 4Y + 1U + 1V
-
- // allocate images in YV12 format
-#ifdef MPEG12_POSTPROC
- for(i=0;i<4;i++){
-#else
- for(i=0;i<3;i++){
-#endif
- base = (unsigned char *)memalign(64,buff_size);
- frames[i].base[0] = base;
- frames[i].base[1] = base + frame_size * 5 / 4;
- frames[i].base[2] = base + frame_size;
- frames[i].copy = NULL;
- frames[i].vo = NULL;
- }
-
- picture->forward_reference_frame=&frames[0];
- picture->backward_reference_frame=&frames[1];
- picture->current_frame=&frames[2];
-
-}
-
-void mpeg2_free_image_buffers (picture_t * picture){
- int i;
-
-#ifdef MPEG12_POSTPROC
- for(i=0;i<4;i++){
-#else
- for(i=0;i<3;i++){
-#endif
- free(frames[i].base[0]);
- }
-
-}
-
-static void copy_slice (vo_frame_t * frame, uint8_t ** src){
- vo_functions_t * output = frame->vo;
- int stride[3];
- int y=picture->slice<<4;
- uint8_t* src_tmp[3];
-
- stride[0]=picture->coded_picture_width;
- stride[1]=stride[2]=stride[0]/2;
-
- if(frame!=picture->display_frame){
- uint8_t** base=picture->display_frame->base;
- src_tmp[0]=base[0]+stride[0]*y;
- src_tmp[1]=base[1]+stride[1]*(y>>1);
- src_tmp[2]=base[2]+stride[2]*(y>>1);
- src=src_tmp;
- }
-
- output->draw_slice (src,
- stride, picture->display_picture_width,
- (y+16<=picture->display_picture_height) ? 16 :
- picture->display_picture_height-y,
- 0, y);
-
- ++picture->slice;
-}
-void draw_frame(vo_functions_t * output)
-{
-int stride[3];
-
- stride[0]=picture->coded_picture_width;
- stride[1]=stride[2]=stride[0]/2;
-#ifdef MPEG12_POSTPROC
- if( picture->pp_options )
- {// apply postprocess filter
- postprocess((picture->picture_coding_type == B_TYPE) ?
- picture->current_frame->base :
- picture->forward_reference_frame->base,
- stride[0], frames[3].base, stride[0],
- picture->coded_picture_width, picture->coded_picture_height,
- &quant_store[1][1], (MPEG2_MBC+1), picture->pp_options);
- output->draw_slice (frames[3].base, stride,
- picture->display_picture_width,
- picture->display_picture_height, 0, 0);
- }else
-#endif
- {
- output->draw_slice ((picture->picture_coding_type == B_TYPE) ?
- picture->current_frame->base :
- picture->forward_reference_frame->base,
- stride,
- picture->display_picture_width,
- picture->display_picture_height, 0, 0);
- }
-}
-
-static int in_slice_flag=0;
-
-static int parse_chunk (vo_functions_t * output, int code, uint8_t * buffer, int framedrop)
-{
- int is_frame_done = 0;
-
- stats_header (code, buffer);
-
- is_frame_done = in_slice_flag && ((!code) || (code >= 0xb0));
- if (is_frame_done) {
- in_slice_flag = 0;
-
-// if(picture->picture_structure != FRAME_PICTURE) printf("Field! %d \n",picture->second_field);
-
- if(picture->picture_structure == FRAME_PICTURE)
- {
-#ifdef MPEG12_POSTPROC
- if( (picture->pp_options) && (!framedrop) )
- draw_frame(output);
-#endif
- }else
- {
- if( (picture->second_field) && (!framedrop) )
- draw_frame(output);
- else
- is_frame_done=0;// we don't draw first fields
- }
-#ifdef ARCH_X86
- if (config.flags & MM_ACCEL_X86_MMX) emms();
-#endif
-// output->flip_page();
- }
-
- switch (code) {
- case 0x00: /* picture_start_code */
- if (header_process_picture_header (picture, buffer)) {
- printf ("bad picture header\n");
- //exit (1);
- }
-
- drop_frame = framedrop && (picture->picture_coding_type == B_TYPE);
- drop_frame |= framedrop>=2; // hard drop
- //decode_reorder_frames ();
- break;
-#if 0
- case 0xb2: /* user data */
- if(buffer[0]=='C' && buffer[1]=='C')
- printf("libmpeg2: Closed Captions sample found! Contact MPlayer developers! \n");
- else
- printf("libmpeg2: Unknown user data. %02X %02X \n",buffer[0],buffer[1]);
- break;
-#endif
- case 0xb3: /* sequence_header_code */
- if (header_process_sequence_header (picture, buffer)) {
- printf ("bad sequence header\n");
- //exit (1);
- }
- break;
-
- case 0xb5: /* extension_start_code */
- if (header_process_extension (picture, buffer)) {
- printf ("bad extension\n");
- //exit (1);
- }
- break;
-
- default:
-// if (code >= 0xb9) printf ("stream not demultiplexed ?\n");
- if (code >= 0xb0) break;
-
- if (!(in_slice_flag)) {
- in_slice_flag = 1;
-
-// if(!(picture->second_field)) decode_reorder_frames ();
-
- // set current_frame pointer:
- if (picture->second_field){
-// vo_field (picture->current_frame, picture->picture_structure);
- } else {
- if (picture->picture_coding_type == B_TYPE){
- picture->display_frame=
- picture->current_frame = &frames[2];
-// picture->current_frame->copy=copy_slice;
- } else {
- picture->current_frame = picture->forward_reference_frame;
- picture->display_frame=
- picture->forward_reference_frame = picture->backward_reference_frame;
- picture->backward_reference_frame = picture->current_frame;
-// picture->current_frame->copy=NULL;
- }
- }
-
-#ifdef MPEG12_POSTPROC
- if(picture->pp_options)
- picture->current_frame->copy=NULL;
- else
-#endif
- picture->current_frame->copy=copy_slice;
-
-
- if ((framedrop) || (picture->picture_structure != FRAME_PICTURE) )
- picture->current_frame->copy=NULL;
- picture->current_frame->vo=output;
- picture->slice=0;
-
- }
-
- if (!drop_frame) {
-
- slice_process (picture, code, buffer);
-
-#ifdef ARCH_X86
- if (config.flags & MM_ACCEL_X86_MMX) emms ();
-#endif
-
- }
- }
-
- return is_frame_done;
-}
-
-static jmp_buf mpeg2_jmp_buf;
-
-static void mpeg2_sighandler(int sig){
- longjmp(mpeg2_jmp_buf,1);
-}
-
-int mpeg2_decode_data (vo_functions_t *output, uint8_t *current, uint8_t *end,int framedrop)
-{
- //static uint8_t code = 0xff;
- //static uint8_t chunk_buffer[65536];
- //static uint8_t *chunk_ptr = chunk_buffer;
- //static uint32_t shift = 0;
- uint8_t code;
- uint8_t *pos=NULL;
- uint8_t *start=current;
- int ret = 0;
- void* old_sigh;
-
- if(setjmp(mpeg2_jmp_buf)!=0){
- printf("@@@ FATAL!!!??? libmpeg2 returned from sig11 before the actual decoding! @@@\n");
- return 0;
- }
-
- old_sigh=signal(SIGSEGV,mpeg2_sighandler);
-
-// printf("RCVD %d bytes\n",end-current);
-
-while(current<end){
- // FIND NEXT HEAD:
- unsigned int head=-1;
- uint8_t c;
- //--------------------
- while(current<end){
- c=current[0];
- ++current;
- head<<=8;
- if(head==0x100) break; // synced
- head|=c;
- }
- //--------------------
- if(pos){
- //if((code&0x100)!=0x100) printf("libmpeg2: FATAL! code=%X\n",code);
- //printf("pos=%d chunk %3X size=%d next-code=%X\n",pos-start,code,current-pos,head|c);
- if(setjmp(mpeg2_jmp_buf)==0){
- ret+=parse_chunk(output, code&0xFF, pos, framedrop);
- } else {
-#ifdef ARCH_X86
- if (config.flags & MM_ACCEL_X86_MMX) emms ();
-#endif
- printf("@@@ libmpeg2 returned from sig11... (bad file?) @@@\n");
- }
- }
- //--------------------
- pos=current;code=head|c;
-}
-
- signal(SIGSEGV,old_sigh); // restore sighandler
-
- if(code==0x1FF) ret+=parse_chunk(output, 0xFF, NULL, framedrop); // send 'end of frame'
-
- return ret;
-}
-
-//void mpeg2_drop (int flag)
-//{
-// drop_flag = flag;
-//}
-