vdpau: remove the unused and incomplete mpeg2 parser

This commit is contained in:
Christian König 2011-05-04 19:35:19 +02:00
parent c888fe027c
commit ee92f0fdad
3 changed files with 0 additions and 200 deletions

View file

@ -19,7 +19,6 @@ C_SOURCES = htab.c \
decode.c \
presentation.c \
bitmap.c \
mpeg2_bitstream_parser.c \
output.c \
preemption.c \
mixer.c

View file

@ -1,134 +0,0 @@
/**************************************************************************
*
* Copyright 2010 Thomas Balling Sørensen.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "mpeg2_bitstream_parser.h"
#if 0
int
vlVdpMPEG2NextStartCode(struct vdpMPEG2BitstreamParser *parser)
{
uint32_t integer = 0xffffff00;
uint8_t * ptr_read = parser->ptr_bitstream;
int8_t * bytes_to_end;
bytes_to_end = parser->ptr_bitstream_end - parser->ptr_bitstream;
/* Read byte after byte, until startcode is found */
while(integer != 0x00000100) {
if (bytes_to_end <= 0) {
parser->state = MPEG2_BITSTREAM_DONE;
parser->code = 0;
return 0;
}
integer = ( integer | *ptr_read++ ) << 8;
bytes_to_end--;
}
parser->ptr_bitstream = ptr_read;
parser->code = parser->ptr_bitstream;
/* start_code found. rewind cursor a byte */
//parser->cursor -= 8;
return 0;
}
int
vlVdpMPEG2BitstreamToMacroblock(struct pipe_screen *screen,
VdpBitstreamBuffer const *bitstream_buffers,
uint32_t bitstream_buffer_count,
unsigned int *num_macroblocks,
struct pipe_mpeg12_macroblock **pipe_macroblocks)
{
bool b_header_done = false;
struct vdpMPEG2BitstreamParser parser;
#if(1)
FILE *fp;
if ((fp = fopen("binout", "w"))==NULL) {
printf("Cannot open file.\n");
exit(1);
}
fwrite(bitstream_buffers[0].bitstream, 1, bitstream_buffers[0].bitstream_bytes, fp);
fclose(fp);
#endif
debug_printf("[VDPAU] Starting decoding MPEG2 stream\n");
num_macroblocks[0] = 0;
memset(&parser,0,sizeof(parser));
parser.state = MPEG2_HEADER_START_CODE;
parser.ptr_bitstream = (unsigned char *)bitstream_buffers[0].bitstream;
parser.ptr_bitstream_end = parser.ptr_bitstream + bitstream_buffers[0].bitstream_bytes;
/* Main header parser loop */
while(!b_header_done) {
switch (parser.state) {
case MPEG2_SEEK_HEADER:
if (vlVdpMPEG2NextStartCode(&parser))
exit(1);
break;
/* Start_code found */
switch (parser.code) {
/* sequence_header_code */
case 0xB3:
debug_printf("[VDPAU][Bitstream parser] Sequence header code found\n");
/* We dont need to read this, because we already have this information */
break;
case 0xB5:
debug_printf("[VDPAU][Bitstream parser] Extension start code found\n");
//exit(1);
break;
case 0xB8:
debug_printf("[VDPAU][Bitstream parser] Extension start code found\n");
//exit(1);
break;
}
break;
case MPEG2_BITSTREAM_DONE:
if (parser.cur_bitstream < bitstream_buffer_count - 1) {
debug_printf("[VDPAU][Bitstream parser] Done parsing current bitstream. Moving to the next\n");
parser.cur_bitstream++;
parser.ptr_bitstream = (unsigned char *)bitstream_buffers[parser.cur_bitstream].bitstream;
parser.ptr_bitstream_end = parser.ptr_bitstream + bitstream_buffers[parser.cur_bitstream].bitstream_bytes;
parser.state = MPEG2_HEADER_START_CODE;
}
else {
debug_printf("[VDPAU][Bitstream parser] Done with frame\n");
exit(0);
// return 0;
}
break;
}
}
return 0;
}
#endif

View file

@ -1,65 +0,0 @@
/**************************************************************************
*
* Copyright 2010 Thomas Balling Sørensen.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef MPEG2_BITSTREAM_PARSER_H
#define MPEG2_BITSTREAM_PARSER_H
#include <vdpau/vdpau.h>
#include <pipe/p_video_state.h>
#include "vdpau_private.h"
enum vdpMPEG2States
{
MPEG2_SEEK_HEADER,
MPEG2_HEADER_DONE,
MPEG2_BITSTREAM_DONE,
MPEG2_HEADER_START_CODE
};
struct vdpMPEG2BitstreamParser
{
enum vdpMPEG2States state;
uint32_t cur_bitstream;
const uint8_t *ptr_bitstream_end;
const uint8_t *ptr_bitstream;
uint8_t code;
/* The decoded bitstream goes here: */
/* Sequence_header_info */
uint32_t horizontal_size_value;
};
#if 0
int
vlVdpMPEG2BitstreamToMacroblock(struct pipe_screen *screen,
VdpBitstreamBuffer const *bitstream_buffers,
uint32_t bitstream_buffer_count,
unsigned int *num_macroblocks,
struct pipe_mpeg12_macroblock **pipe_macroblocks);
#endif
#endif // MPEG2_BITSTREAM_PARSER_H