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Diffstat (limited to 'src/libxinevdec/wc3video.c')
-rw-r--r--src/libxinevdec/wc3video.c539
1 files changed, 0 insertions, 539 deletions
diff --git a/src/libxinevdec/wc3video.c b/src/libxinevdec/wc3video.c
deleted file mode 100644
index 68ba2b43f..000000000
--- a/src/libxinevdec/wc3video.c
+++ /dev/null
@@ -1,539 +0,0 @@
-/*
- * Copyright (C) 2000-2003 the xine project
- *
- * This file is part of xine, a free video player.
- *
- * xine 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.
- *
- * xine 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- *
- * Video Decoder for Origin's Wing Commander III MVE Movie Files
- * by Mario Brito (mbrito@student.dei.uc.pt)
- * For more information on the WC3 Movie format, visit:
- * http://www.pcisys.net/~melanson/codecs/
- *
- * $Id: wc3video.c,v 1.20 2004/02/09 22:04:11 jstembridge Exp $
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "buffer.h"
-#include "xine_internal.h"
-#include "video_out.h"
-#include "xineutils.h"
-#include "bswap.h"
-
-#define VIDEOBUFSIZE 128*1024
-
-#define WC3_WIDTH 320
-#define WC3_HEIGHT 165
-
-typedef struct {
- video_decoder_class_t decoder_class;
-} wc3video_class_t;
-
-typedef struct wc3video_decoder_s {
- video_decoder_t video_decoder; /* parent video decoder structure */
-
- wc3video_class_t *class;
- xine_stream_t *stream;
-
- /* these are traditional variables in a video decoder object */
- uint64_t video_step; /* frame duration in pts units */
- int decoder_ok; /* current decoder status */
- int skipframes;
-
- unsigned char *buf; /* the accumulated buffer data */
- int bufsize; /* the maximum size of buf */
- int size; /* the current size of buf */
-
- unsigned char yuv_palette[256 * 4];
-
- yuv_planes_t yuv_planes1;
- yuv_planes_t yuv_planes2;
-
- yuv_planes_t *current_frame;
- yuv_planes_t *last_frame;
-
- /* this is either 1 or 2 indicating the current_frame points to yuv_planes
- * structure 1 or 2 */
- int current_planes;
-
- double ratio;
-
-} wc3video_decoder_t;
-
-/**************************************************************************
- * WC3 video specific decode functions
- *************************************************************************/
-
-#define SIZE (WC3_WIDTH * WC3_HEIGHT)
-#define BYTE unsigned char
-
-static BYTE buffer1[SIZE];
-static BYTE buffer2[SIZE];
-
-static BYTE * part1;
-static BYTE * part2;
-static BYTE * part3;
-static BYTE * part4;
-
-static void bytecopy(BYTE * dest, BYTE * src, int count) {
-
- int i;
-
- /* Don't use memcpy because the memory locations often overlap and
- * memcpy doesn't like that; it's not uncommon, for example, for
- * dest = src+1, to turn byte A into pattern AAAAAAAA.
- * This was originally repz movsb. */
- for (i = 0; i < count; i ++)
- dest[i] = src[i];
-}
-
-static void wc3_build_frame (wc3video_decoder_t *this) {
-
- int frame_size = WC3_WIDTH * WC3_HEIGHT;
- int index = 0;
- BYTE pixel;
- BYTE y, u, v;
- int size = 0;
- BYTE flag = 0;
- int func;
-
- while (index < frame_size) {
- func = *part1++;
- size = 0;
-
- switch (func) {
- case 0:
- flag ^= 1;
- continue;
-
- case 1:
- case 2:
- case 3:
- case 4:
- case 5:
- case 6:
- case 7:
- case 8:
- size = func;
- break;
-
- case 12:
- case 13:
- case 14:
- case 15:
- case 16:
- case 17:
- case 18:
- size += (func - 10);
- break;
-
- case 9:
- case 19:
- size = (*part2++);
- break;
-
- case 10:
- case 20:
- size = BE_16(&part2[0]);
- part2 += 2;
- break;
-
- case 11:
- case 21:
- size = (part2[0] << 16) | (part2[1] << 8) | part2[2];
- part2 += 3;
- break;
- }
-
- /* run is unchanged from last frame */
- if (func < 12) {
- flag = flag ^ 1;
- if ( flag ) {
- xine_fast_memcpy(
- &this->current_frame->y[index],
- &this->last_frame->y[index],
- size);
- xine_fast_memcpy(
- &this->current_frame->u[index],
- &this->last_frame->u[index],
- size);
- xine_fast_memcpy(
- &this->current_frame->v[index],
- &this->last_frame->v[index],
- size);
- index += size;
- } else {
- while (size > 0) {
- pixel = *part4++;
- y = this->yuv_palette[pixel * 4 + 0];
- u = this->yuv_palette[pixel * 4 + 1];
- v = this->yuv_palette[pixel * 4 + 2];
- this->current_frame->y[index] = y;
- this->current_frame->u[index] = u;
- this->current_frame->v[index] = v;
- index++;
- size --;
- }
- }
- } else {
- /* run displacement from last frame */
- int x = (*part3 >> 4) & 0xf;
- int y = *part3 & 0xf;
- part3++;
-
- /* extend sign */
- if (x & 8) x |= 0xfffffff0;
- if (y & 8) y |= 0xfffffff0;
-
- /* copy a run of pixels from the previous frame */
- xine_fast_memcpy(
- &this->current_frame->y[index],
- &this->last_frame->y[index + x + y * WC3_WIDTH],
- size);
- xine_fast_memcpy(
- &this->current_frame->u[index],
- &this->last_frame->u[index + x + y * WC3_WIDTH],
- size);
- xine_fast_memcpy(
- &this->current_frame->v[index],
- &this->last_frame->v[index + x + y * WC3_WIDTH],
- size);
- index += size;
-
- flag = 0;
- }
- }
-}
-
-static void wc3_do_part4 (BYTE * dest, BYTE * src) {
-
- int func;
- int size;
- int offset;
- int byte1, byte2, byte3;
-
- for (;;) {
- func = *src++;
-
- if ( (func & 0x80) == 0 ) {
-
- offset = *src++;
-
- size = func & 3;
- bytecopy(dest, src, size); dest += size; src += size;
-
- size = ((func & 0x1c) >> 2) + 3;
- bytecopy (dest, dest - ( ((func & 0x60) << 3) + offset + 1 ), size);
- dest += size;
-
- } else if ( (func & 0x40) == 0 ) {
-
- byte1 = *src++;
- byte2 = *src++;
-
- size = byte1 >> 6;
- bytecopy (dest, src, size); dest += size; src += size;
-
- size = (func & 0x3f) + 4;
- bytecopy (dest, dest - (((byte1 & 0x3f) << 8) + byte2 + 1), size);
- dest += size;
-
- } else if ( (func & 0x20) == 0 ) {
-
- byte1 = *src++;
- byte2 = *src++;
- byte3 = *src++;
-
- size = func & 3;
- bytecopy (dest, src, size); dest += size; src += size;
-
- size = byte3 + 5 + ((func & 0xc) << 6);
- bytecopy (dest,
- dest - ((((func & 0x10) >> 4) << 0x10) + 1 + (byte1 << 8) + byte2),
- size);
- dest += size;
- } else {
- size = ((func & 0x1f) << 2) + 4;
-
- if (size > 0x70)
- break;
-
- bytecopy (dest, src, size); dest += size; src += size;
- }
- }
-
- size = func & 3;
- bytecopy(dest, src, size); dest += size; src += size;
-}
-
-static void wc3_do_part1 (BYTE * dest, BYTE * src) {
-
- BYTE byte = *src++;
- BYTE ival = byte + 0x16;
- BYTE * ptr = src + byte*2;
- BYTE val = ival;
- int counter = 0;
-
- BYTE bits = *ptr++;
-
- while ( val != 0x16 ) {
- if ( (1 << counter) & bits )
- val = src[byte + val - 0x17];
- else
- val = src[val - 0x17];
-
- if ( val < 0x16 ) {
- *dest++ = val;
- val = ival;
- }
-
- if (counter++ == 7) {
- counter = 0;
- bits = *ptr++;
- }
- }
-}
-
-static void wc3_decode_frame (wc3video_decoder_t *this) {
-
- BYTE * ptr;
-
- part1 = buffer1;
- part4 = buffer2;
-
- wc3_do_part1(part1, this->buf + LE_16(&this->buf[0]));
- part2 = this->buf + LE_16(&this->buf[2]);
- part3 = this->buf + LE_16(&this->buf[4]);
-
- ptr = this->buf + LE_16(&this->buf[6]);
- if (*ptr++ == 2)
- wc3_do_part4(part4, ptr);
- else
- part4 = ptr;
-
- wc3_build_frame(this);
-}
-
-/**************************************************************************
- * xine video plugin functions
- *************************************************************************/
-
-/*
- * This function receives a buffer of data from the demuxer layer and
- * figures out how to handle it based on its header flags.
- */
-static void wc3video_decode_data (video_decoder_t *this_gen,
- buf_element_t *buf) {
-
- wc3video_decoder_t *this = (wc3video_decoder_t *) this_gen;
- palette_entry_t *palette;
- int i;
-
- vo_frame_t *img; /* video out frame */
-
- /* a video decoder does not care about this flag (?) */
- if (buf->decoder_flags & BUF_FLAG_PREVIEW)
- return;
-
- /* convert the RGB palette to a YUV palette */
- if ((buf->decoder_flags & BUF_FLAG_SPECIAL) &&
- (buf->decoder_info[1] == BUF_SPECIAL_PALETTE)) {
- palette = (palette_entry_t *)buf->decoder_info_ptr[2];
- for (i = 0; i < buf->decoder_info[2]; i++) {
- this->yuv_palette[i * 4 + 0] =
- COMPUTE_Y(palette[i].r, palette[i].g, palette[i].b);
- this->yuv_palette[i * 4 + 1] =
- COMPUTE_U(palette[i].r, palette[i].g, palette[i].b);
- this->yuv_palette[i * 4 + 2] =
- COMPUTE_V(palette[i].r, palette[i].g, palette[i].b);
- }
- }
-
- if (buf->decoder_flags & BUF_FLAG_FRAMERATE) {
- this->video_step = buf->decoder_info[0];
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_FRAME_DURATION, this->video_step);
- }
-
- if (buf->decoder_flags & BUF_FLAG_HEADER) { /* need to initialize */
- this->stream->video_out->open (this->stream->video_out, this->stream);
-
- if(this->buf)
- free(this->buf);
-
- if (this->buf)
- free (this->buf);
- this->bufsize = VIDEOBUFSIZE;
- this->buf = malloc(this->bufsize);
- this->size = 0;
-
- init_yuv_planes(&this->yuv_planes1, WC3_WIDTH, WC3_HEIGHT);
- init_yuv_planes(&this->yuv_planes2, WC3_WIDTH, WC3_HEIGHT);
- this->current_planes = 1;
-
- this->decoder_ok = 1;
-
- /* load the stream/meta info */
- _x_meta_info_set(this->stream, XINE_META_INFO_VIDEOCODEC, "Wing Commander III Video");
-
- return;
- } else if (this->decoder_ok) {
-
- if (this->size + buf->size > this->bufsize) {
- this->bufsize = this->size + 2 * buf->size;
- this->buf = realloc (this->buf, this->bufsize);
- }
-
- xine_fast_memcpy (&this->buf[this->size], buf->content, buf->size);
-
- this->size += buf->size;
-
- if (buf->decoder_flags & BUF_FLAG_FRAME_END) {
-
- img = this->stream->video_out->get_frame (this->stream->video_out,
- WC3_WIDTH, WC3_HEIGHT,
- this->ratio, XINE_IMGFMT_YUY2, VO_BOTH_FIELDS);
-
- img->duration = this->video_step;
- img->pts = buf->pts;
- img->bad_frame = 0;
-
- if (this->current_planes == 1) {
- this->current_planes = 2;
- this->current_frame = &this->yuv_planes1;
- this->last_frame = &this->yuv_planes2;
- } else {
- this->current_planes = 1;
- this->current_frame = &this->yuv_planes2;
- this->last_frame = &this->yuv_planes1;
- }
-
- wc3_decode_frame (this);
- yuv444_to_yuy2(this->current_frame, img->base[0], img->pitches[0]);
-
- img->draw(img, this->stream);
- img->free(img);
-
- this->size = 0;
- }
- }
-}
-
-/*
- * This function is called when xine needs to flush the system. Not
- * sure when or if this is used or even if it needs to do anything.
- */
-static void wc3video_flush (video_decoder_t *this_gen) {
-}
-
-/*
- * This function resets the video decoder.
- */
-static void wc3video_reset (video_decoder_t *this_gen) {
- wc3video_decoder_t *this = (wc3video_decoder_t *) this_gen;
-
- this->size = 0;
-}
-
-static void wc3video_discontinuity (video_decoder_t *this_gen) {
-}
-
-/*
- * This function frees the video decoder instance allocated to the decoder.
- */
-static void wc3video_dispose (video_decoder_t *this_gen) {
-
- wc3video_decoder_t *this = (wc3video_decoder_t *) this_gen;
-
- if (this->buf) {
- free (this->buf);
- this->buf = NULL;
- }
-
- if (this->decoder_ok) {
- this->decoder_ok = 0;
- this->stream->video_out->close(this->stream->video_out, this->stream);
- }
-
- free (this_gen);
-}
-
-static video_decoder_t *open_plugin (video_decoder_class_t *class_gen, xine_stream_t *stream) {
-
- wc3video_decoder_t *this ;
-
- this = (wc3video_decoder_t *) xine_xmalloc (sizeof (wc3video_decoder_t));
-
- this->video_decoder.decode_data = wc3video_decode_data;
- this->video_decoder.flush = wc3video_flush;
- this->video_decoder.reset = wc3video_reset;
- this->video_decoder.discontinuity = wc3video_discontinuity;
- this->video_decoder.dispose = wc3video_dispose;
- this->size = 0;
-
- this->stream = stream;
- this->class = (wc3video_class_t *) class_gen;
-
- this->decoder_ok = 0;
- this->buf = NULL;
-
- this->ratio = (double)WC3_WIDTH/(double)WC3_HEIGHT;
-
- return &this->video_decoder;
-}
-
-static char *get_identifier (video_decoder_class_t *this) {
- return "WC3 Video";
-}
-
-static char *get_description (video_decoder_class_t *this) {
- return "Wing Commander III video decoder plugin";
-}
-
-static void dispose_class (video_decoder_class_t *this) {
- free (this);
-}
-
-static void *init_plugin (xine_t *xine, void *data) {
-
- wc3video_class_t *this;
-
- this = (wc3video_class_t *) xine_xmalloc (sizeof (wc3video_class_t));
-
- this->decoder_class.open_plugin = open_plugin;
- this->decoder_class.get_identifier = get_identifier;
- this->decoder_class.get_description = get_description;
- this->decoder_class.dispose = dispose_class;
-
- return this;
-}
-
-/* plugin catalog information */
-static uint32_t supported_types[] = { BUF_VIDEO_WC3, 0 };
-
-static decoder_info_t video_decoder_info = {
- supported_types, /* supported types */
- 9 /* priority */
-};
-
-plugin_info_t xine_plugin_info[] = {
- /* type, API, "name", version, special_info, init_function */
- { PLUGIN_VIDEO_DECODER, 18, "wc3video", XINE_VERSION_CODE, &video_decoder_info, &init_plugin },
- { PLUGIN_NONE, 0, "", 0, NULL, NULL }
-};
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-27 11:02:11 +0000