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-rw-r--r--src/libxinevdec/idcinvideo.c408
1 files changed, 0 insertions, 408 deletions
diff --git a/src/libxinevdec/idcinvideo.c b/src/libxinevdec/idcinvideo.c
deleted file mode 100644
index 65308eb4a..000000000
--- a/src/libxinevdec/idcinvideo.c
+++ /dev/null
@@ -1,408 +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
- *
- * Id CIN Video Decoder by Dr. Tim Ferguson. For more information about
- * the Id CIN format, visit:
- * http://www.csse.monash.edu.au/~timf/
- *
- * $Id: idcinvideo.c,v 1.23 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
-
-typedef struct {
- video_decoder_class_t decoder_class;
-} idcinvideo_class_t;
-
-typedef struct idcinvideo_decoder_s {
- video_decoder_t video_decoder; /* parent video decoder structure */
-
- idcinvideo_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 */
-
- int width; /* the width of a video frame */
- int height; /* the height of a video frame */
- double ratio; /* the width to height ratio */
-
- unsigned char yuv_palette[256 * 4];
- yuv_planes_t yuv_planes;
-
-} idcinvideo_decoder_t;
-
-/**************************************************************************
- * idcinvideo specific decode functions
- *************************************************************************/
-
-#define HUF_TOKENS 256
-
-typedef struct
-{
- long rate;
- long width;
- long channels;
-} wavinfo_t;
-
-typedef struct
-{
- int count;
- unsigned char used;
- int children[2];
-} hnode_t;
-
-static hnode_t huff_nodes[256][HUF_TOKENS*2];
-static int num_huff_nodes[256];
-
-/*
- * Decodes input Huffman data using the Huffman table.
- */
-static void huff_decode(idcinvideo_decoder_t *this) {
- hnode_t *hnodes;
- long i;
- int prev;
- unsigned char v = 0;
- int bit_pos, node_num, dat_pos;
- int plane_ptr = 0;
-
- prev = bit_pos = dat_pos = 0;
- for(i = 0; i < (this->width * this->height); i++) {
- node_num = num_huff_nodes[prev];
- hnodes = huff_nodes[prev];
-
- while(node_num >= HUF_TOKENS) {
- if(!bit_pos) {
- if(dat_pos > this->size) {
- xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "Huffman decode error.\n");
- return;
- }
- bit_pos = 8;
- v = this->buf[dat_pos++];
- }
-
- node_num = hnodes[node_num].children[v & 0x01];
- v = v >> 1;
- bit_pos--;
- }
-
- this->yuv_planes.y[plane_ptr] = this->yuv_palette[node_num * 4 + 0];
- this->yuv_planes.u[plane_ptr] = this->yuv_palette[node_num * 4 + 1];
- this->yuv_planes.v[plane_ptr] = this->yuv_palette[node_num * 4 + 2];
- plane_ptr++;
-
- prev = node_num;
- }
-}
-
-/*
- * Find the lowest probability node in a Huffman table, and mark it as
- * being assigned to a higher probability.
- * Returns the node index of the lowest unused node, or -1 if all nodes
- * are used.
- */
-static int huff_smallest_node(hnode_t *hnodes, int num_hnodes) {
- int i;
- int best, best_node;
-
- best = 99999999;
- best_node = -1;
- for(i = 0; i < num_hnodes; i++) {
- if(hnodes[i].used)
- continue;
- if(!hnodes[i].count)
- continue;
- if(hnodes[i].count < best) {
- best = hnodes[i].count;
- best_node = i;
- }
- }
-
- if(best_node == -1)
- return -1;
- hnodes[best_node].used = 1;
- return best_node;
-}
-
-/*
- * Build the Huffman tree using the generated/loaded probabilities histogram.
- *
- * On completion:
- * huff_nodes[prev][i < HUF_TOKENS] - are the nodes at the base of the tree.
- * huff_nodes[prev][i >= HUF_TOKENS] - are used to construct the tree.
- * num_huff_nodes[prev] - contains the index to the root node of the tree.
- * That is: huff_nodes[prev][num_huff_nodes[prev]] is the root node.
- */
-static void huff_build_tree(int prev) {
- hnode_t *node, *hnodes;
- int num_hnodes, i;
-
- num_hnodes = HUF_TOKENS;
- hnodes = huff_nodes[prev];
- for(i = 0; i < HUF_TOKENS * 2; i++)
- hnodes[i].used = 0;
-
- while (1) {
- node = &hnodes[num_hnodes]; /* next free node */
-
- /* pick two lowest counts */
- node->children[0] = huff_smallest_node(hnodes, num_hnodes);
- if(node->children[0] == -1)
- break; /* reached the root node */
-
- node->children[1] = huff_smallest_node(hnodes, num_hnodes);
- if(node->children[1] == -1)
- break; /* reached the root node */
-
- /* combine nodes probability for new node */
- node->count = hnodes[node->children[0]].count +
- hnodes[node->children[1]].count;
- num_hnodes++;
- }
-
- num_huff_nodes[prev] = num_hnodes - 1;
-}
-
-
-/**************************************************************************
- * 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 idcinvideo_decode_data (video_decoder_t *this_gen,
- buf_element_t *buf) {
-
- idcinvideo_decoder_t *this = (idcinvideo_decoder_t *) this_gen;
- palette_entry_t *palette;
- unsigned char *histograms;
- int i, j, histogram_index = 0;
-
- vo_frame_t *img; /* video out frame */
-
- /* a video decoder does not care about this flag (?) */
- if (buf->decoder_flags & BUF_FLAG_PREVIEW)
- return;
-
- /* load the 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_STDHEADER) { /* need to initialize */
- xine_bmiheader *bih = (xine_bmiheader *)buf->content;
-
- this->stream->video_out->open (this->stream->video_out, this->stream);
-
- if(this->buf)
- free(this->buf);
-
- this->width = bih->biWidth;
- this->height = bih->biHeight;
- this->ratio = (double)this->width/(double)this->height;
-
- /* initialize the Huffman tables */
- histograms = (unsigned char *)buf->content + sizeof(xine_bmiheader);
- for (i = 0; i < 256; i++) {
- for(j = 0; j < HUF_TOKENS; j++)
- huff_nodes[i][j].count = histograms[histogram_index++];
- huff_build_tree(i);
- }
-
- if (this->buf)
- free (this->buf);
- this->bufsize = VIDEOBUFSIZE;
- this->buf = malloc(this->bufsize);
- this->size = 0;
-
- init_yuv_planes(&this->yuv_planes, this->width, this->height);
-
- this->stream->video_out->open (this->stream->video_out, this->stream);
- this->decoder_ok = 1;
-
- /* load the stream/meta info */
- _x_meta_info_set(this->stream, XINE_META_INFO_VIDEOCODEC, "Id CIN 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,
- this->width, this->height,
- this->ratio, XINE_IMGFMT_YUY2, VO_BOTH_FIELDS);
-
- img->duration = this->video_step;
- img->pts = buf->pts;
- img->bad_frame = 0;
-
- huff_decode(this);
- yuv444_to_yuy2(&this->yuv_planes, 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 idcinvideo_flush (video_decoder_t *this_gen) {
-}
-
-/*
- * This function resets the video decoder.
- */
-static void idcinvideo_reset (video_decoder_t *this_gen) {
- idcinvideo_decoder_t *this = (idcinvideo_decoder_t *) this_gen;
-
- this->size = 0;
-}
-
-static void idcinvideo_discontinuity (video_decoder_t *this_gen) {
-}
-
-/*
- * This function frees the video decoder instance allocated to the decoder.
- */
-static void idcinvideo_dispose (video_decoder_t *this_gen) {
-
- idcinvideo_decoder_t *this = (idcinvideo_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) {
-
- idcinvideo_decoder_t *this ;
-
- this = (idcinvideo_decoder_t *) xine_xmalloc (sizeof (idcinvideo_decoder_t));
-
- this->video_decoder.decode_data = idcinvideo_decode_data;
- this->video_decoder.flush = idcinvideo_flush;
- this->video_decoder.reset = idcinvideo_reset;
- this->video_decoder.discontinuity = idcinvideo_discontinuity;
- this->video_decoder.dispose = idcinvideo_dispose;
- this->size = 0;
-
- this->stream = stream;
- this->class = (idcinvideo_class_t *) class_gen;
-
- this->decoder_ok = 0;
- this->buf = NULL;
-
- return &this->video_decoder;
-}
-
-static char *get_identifier (video_decoder_class_t *this) {
- return "Id CIN Video";
-}
-
-static char *get_description (video_decoder_class_t *this) {
- return "Id Quake II Cinematic video decoder plugin";
-}
-
-static void dispose_class (video_decoder_class_t *this) {
- free (this);
-}
-
-static void *init_plugin (xine_t *xine, void *data) {
-
- idcinvideo_class_t *this;
-
- this = (idcinvideo_class_t *) xine_xmalloc (sizeof (idcinvideo_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_IDCIN, 0 };
-
-static decoder_info_t video_decoder_info = {
- supported_types, /* supported types */
- 5 /* priority */
-};
-
-plugin_info_t xine_plugin_info[] = {
- /* type, API, "name", version, special_info, init_function */
- { PLUGIN_VIDEO_DECODER, 18, "idcinvideo", 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 11:24:49 +0000