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-rw-r--r--src/libxinevdec/foovideo.c305
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diff --git a/src/libxinevdec/foovideo.c b/src/libxinevdec/foovideo.c
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--- a/src/libxinevdec/foovideo.c
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-/*
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- * foovideo.c: This is a reference video decoder for the xine multimedia
- * player. It really works too! It will output frames of packed YUY2 data
- * where each byte in the map is the same value, which is 3 larger than the
- * value from the last frame. This creates a slowly rotating solid color
- * frame when the frames are played in succession.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "xine_internal.h"
-#include "video_out.h"
-#include "buffer.h"
-#include "xineutils.h"
-#include "bswap.h"
-
-#define VIDEOBUFSIZE 128*1024
-
-typedef struct {
- video_decoder_class_t decoder_class;
-} foovideo_class_t;
-
-typedef struct foovideo_decoder_s {
- video_decoder_t video_decoder; /* parent video decoder structure */
-
- foovideo_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 */
-
- /* these are variables exclusive to the foo video decoder */
- unsigned char current_yuv_byte;
-
-} foovideo_decoder_t;
-
-/**************************************************************************
- * foovideo specific decode functions
- *************************************************************************/
-
-/**************************************************************************
- * 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 foovideo_decode_data (video_decoder_t *this_gen,
- buf_element_t *buf) {
-
- foovideo_decoder_t *this = (foovideo_decoder_t *) this_gen;
- xine_bmiheader *bih;
-
- vo_frame_t *img; /* video out frame */
-
- /* a video decoder does not care about this flag (?) */
- if (buf->decoder_flags & BUF_FLAG_PREVIEW)
- return;
-
- 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 */
- (this->stream->video_out->open) (this->stream->video_out, this->stream);
-
- if(this->buf)
- free(this->buf);
-
- bih = (xine_bmiheader *) buf->content;
- this->width = bih->biWidth;
- this->height = bih->biHeight;
- this->ratio = (double)this->width/(double)this->height;
-
- if (this->buf)
- free (this->buf);
- this->bufsize = VIDEOBUFSIZE;
- this->buf = malloc(this->bufsize);
- this->size = 0;
-
- /* take this opportunity to load the stream/meta info */
- _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "foovideo");
-
- /* do anything else relating to initializing this decoder */
- this->current_yuv_byte = 0;
-
- this->decoder_ok = 1;
-
- 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;
-
- memset(img->base[0], this->current_yuv_byte,
- this->width * this->height * 2);
- this->current_yuv_byte += 3;
-
- img->draw(img, this->stream);
- img->free(img);
-
- this->size = 0;
- }
- }
-}
-
-/*
- * This function is called when xine needs to flush the system.
- */
-static void foovideo_flush (video_decoder_t *this_gen) {
-}
-
-/*
- * This function resets the video decoder.
- */
-static void foovideo_reset (video_decoder_t *this_gen) {
- foovideo_decoder_t *this = (foovideo_decoder_t *) this_gen;
-
- this->size = 0;
-}
-
-/*
- * The decoder should forget any stored pts values here.
- */
-static void foovideo_discontinuity (video_decoder_t *this_gen) {
- foovideo_decoder_t *this = (foovideo_decoder_t *) this_gen;
-
-}
-
-/*
- * This function frees the video decoder instance allocated to the decoder.
- */
-static void foovideo_dispose (video_decoder_t *this_gen) {
-
- foovideo_decoder_t *this = (foovideo_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);
-}
-
-/*
- * This function allocates, initializes, and returns a private video
- * decoder structure.
- */
-static video_decoder_t *open_plugin (video_decoder_class_t *class_gen, xine_stream_t *stream) {
-
- foovideo_decoder_t *this ;
-
- this = (foovideo_decoder_t *) calloc(1, sizeof(foovideo_decoder_t));
-
- this->video_decoder.decode_data = foovideo_decode_data;
- this->video_decoder.flush = foovideo_flush;
- this->video_decoder.reset = foovideo_reset;
- this->video_decoder.discontinuity = foovideo_discontinuity;
- this->video_decoder.dispose = foovideo_dispose;
- this->size = 0;
-
- this->stream = stream;
- this->class = (foovideo_class_t *) class_gen;
-
- this->decoder_ok = 0;
- this->buf = NULL;
-
- return &this->video_decoder;
-}
-
-/*
- * This function returns a brief string that describes (usually with the
- * decoder's most basic name) the video decoder plugin.
- */
-static char *get_identifier (video_decoder_class_t *this) {
- return "foovideo";
-}
-
-/*
- * This function returns a slightly longer string describing the video
- * decoder plugin.
- */
-static char *get_description (video_decoder_class_t *this) {
- return "foovideo: reference xine video decoder plugin";
-}
-
-/*
- * This function frees the video decoder class and any other memory that was
- * allocated.
- */
-static void dispose_class (video_decoder_class_t *this) {
- free (this);
-}
-
-/*
- * This function allocates a private video decoder class and initializes
- * the class's member functions.
- */
-static void *init_plugin (xine_t *xine, void *data) {
-
- foovideo_class_t *this;
-
- this = (foovideo_class_t *) calloc(1, sizeof(foovideo_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;
-}
-
-/*
- * This is a list of all of the internal xine video buffer types that
- * this decoder is able to handle. Check src/xine-engine/buffer.h for a
- * list of valid buffer types (and add a new one if the one you need does
- * not exist). Terminate the list with a 0.
- */
-static const uint32_t video_types[] = {
- /* BUF_VIDEO_FOOVIDEO, */
- BUF_VIDEO_VQA,
- BUF_VIDEO_SORENSON_V3,
- 0
-};
-
-/*
- * This data structure combines the list of supported xine buffer types and
- * the priority that the plugin should be given with respect to other
- * plugins that handle the same buffer type. A plugin with priority (n+1)
- * will be used instead of a plugin with priority (n).
- */
-static const decoder_info_t dec_info_video = {
- video_types, /* supported types */
- 5 /* priority */
-};
-
-/*
- * The plugin catalog entry. This is the only information that this plugin
- * will export to the public.
- */
-const plugin_info_t xine_plugin_info[] EXPORTED = {
- /* { type, API, "name", version, special_info, init_function } */
- { PLUGIN_VIDEO_DECODER, 18, "foovideo", XINE_VERSION_CODE, &dec_info_video, init_plugin },
- { PLUGIN_NONE, 0, "", 0, NULL, NULL }
-};