From 6fb8cd89774bf8972963863e4d23e4cf03a709c9 Mon Sep 17 00:00:00 2001 From: arpi Date: Thu, 18 Apr 2002 14:45:43 +0000 Subject: obsoleted, use vd_libmpeg2.c git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5675 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpeg2/decode.c | 391 ------------------------------------------------------ 1 file changed, 391 deletions(-) delete mode 100644 libmpeg2/decode.c (limited to 'libmpeg2') 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 - 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 -#ifdef HAVE_MALLOC_H -#include -#endif -#include -#include -#include -#include - -#include -#include - - - -#include "video_out.h" -#include - -#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