+++ /dev/null
-/**************************************************************************
- *
- * 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
+++ /dev/null
-/**************************************************************************
- *
- * 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
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