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-rw-r--r--src/libxinevdec/yuv.c394
1 files changed, 0 insertions, 394 deletions
diff --git a/src/libxinevdec/yuv.c b/src/libxinevdec/yuv.c
deleted file mode 100644
index 6cb1b240c..000000000
--- a/src/libxinevdec/yuv.c
+++ /dev/null
@@ -1,394 +0,0 @@
-/*
- * Copyright (C) 2000-2004 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
- *
- * YUV "Decoder" by Mike Melanson (melanson@pcisys.net)
- * Actually, this decoder just reorganizes chunks of raw YUV data in such
- * a way that xine can display them.
- */
-
-#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;
-} yuv_class_t;
-
-typedef struct yuv_decoder_s {
- video_decoder_t video_decoder; /* parent video decoder structure */
-
- yuv_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 */
-
- int progressive;
- int top_field_first;
-
-} yuv_decoder_t;
-
-/**************************************************************************
- * 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 yuv_decode_data (video_decoder_t *this_gen,
- buf_element_t *buf) {
-
- yuv_decoder_t *this = (yuv_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);
-
- bih = (xine_bmiheader *) buf->content;
- this->width = (bih->biWidth + 3) & ~0x03;
- this->height = (bih->biHeight + 3) & ~0x03;
-
- if (buf->decoder_flags & BUF_FLAG_ASPECT)
- this->ratio = (double)buf->decoder_info[1] / (double)buf->decoder_info[2];
- else
- this->ratio = (double)this->width / (double)this->height;
-
- this->progressive = buf->decoder_info[3];
- this->top_field_first = buf->decoder_info[4];
-
- if (this->buf) {
- free (this->buf);
- this->buf = NULL;
- }
-
- this->bufsize = VIDEOBUFSIZE;
- this->buf = malloc(this->bufsize);
- this->size = 0;
-
- this->decoder_ok = 1;
-
- /* load the stream/meta info */
- switch (buf->type) {
-
- case BUF_VIDEO_YUY2:
- _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Raw YUY2");
- break;
-
- case BUF_VIDEO_YV12:
- _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Raw YV12");
- break;
-
- case BUF_VIDEO_YVU9:
- _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Raw YVU9");
- break;
-
- case BUF_VIDEO_GREY:
- _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Greyscale YUV");
- break;
-
- case BUF_VIDEO_I420:
- _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Raw I420");
- break;
-
- }
-
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_WIDTH, this->width);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HEIGHT, this->height);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_RATIO, this->ratio*10000);
-
- return;
- } else if (this->decoder_ok && !(buf->decoder_flags & BUF_FLAG_SPECIAL)) {
- uint8_t *src;
-
- /* if buffer contains an entire frame then there's no need to copy it
- * into our internal buffer */
- if ((buf->decoder_flags & BUF_FLAG_FRAME_START) &&
- (buf->decoder_flags & BUF_FLAG_FRAME_END))
- src = buf->content;
- else {
- 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;
-
- src = this->buf;
- }
-
- if (buf->decoder_flags & BUF_FLAG_FRAME_END) {
-
- if (buf->type == BUF_VIDEO_YUY2) {
-
- img = this->stream->video_out->get_frame (this->stream->video_out,
- this->width, this->height,
- this->ratio, XINE_IMGFMT_YUY2, VO_BOTH_FIELDS);
-
- yuy2_to_yuy2(
- /* src */
- src, this->width*2,
- /* dst */
- img->base[0], img->pitches[0],
- /* width x height */
- this->width, this->height);
-
- } else if (buf->type == BUF_VIDEO_YV12) {
-
- img = this->stream->video_out->get_frame (this->stream->video_out,
- this->width, this->height,
- this->ratio, XINE_IMGFMT_YV12, VO_BOTH_FIELDS);
-
- yv12_to_yv12(
- /* Y */
- src, this->width,
- img->base[0], img->pitches[0],
- /* U */
- src + (this->width * this->height * 5/4), this->width/2,
- img->base[1], img->pitches[1],
- /* V */
- src + (this->width * this->height), this->width/2,
- img->base[2], img->pitches[2],
- /* width x height */
- this->width, this->height);
-
- } else if (buf->type == BUF_VIDEO_I420) {
-
- img = this->stream->video_out->get_frame (this->stream->video_out,
- this->width, this->height,
- this->ratio, XINE_IMGFMT_YV12, VO_BOTH_FIELDS);
-
- yv12_to_yv12(
- /* Y */
- src, this->width,
- img->base[0], img->pitches[0],
- /* U */
- src + (this->width * this->height), this->width/2,
- img->base[1], img->pitches[1],
- /* V */
- src + (this->width * this->height * 5/4), this->width/2,
- img->base[2], img->pitches[2],
- /* width x height */
- this->width, this->height);
-
- } else if (buf->type == BUF_VIDEO_YVU9) {
-
- img = this->stream->video_out->get_frame (this->stream->video_out,
- this->width, this->height,
- this->ratio, XINE_IMGFMT_YV12, VO_BOTH_FIELDS);
-
-
- yuv9_to_yv12(
- /* Y */
- src,
- this->width,
- img->base[0],
- img->pitches[0],
- /* U */
- src + (this->width * this->height),
- this->width / 4,
- img->base[1],
- img->pitches[1],
- /* V */
- src + (this->width * this->height) +
- (this->width * this->height / 16),
- this->width / 4,
- img->base[2],
- img->pitches[2],
- /* width x height */
- this->width,
- this->height);
-
- } else if (buf->type == BUF_VIDEO_GREY) {
-
- img = this->stream->video_out->get_frame (this->stream->video_out,
- this->width, this->height,
- this->ratio, XINE_IMGFMT_YV12, VO_BOTH_FIELDS);
-
- xine_fast_memcpy(img->base[0], src, this->width * this->height);
- memset( img->base[1], 0x80, this->width * this->height / 4 );
- memset( img->base[2], 0x80, this->width * this->height / 4 );
-
- } else {
-
- /* just allocate something to avoid compiler warnings */
- img = this->stream->video_out->get_frame (this->stream->video_out,
- this->width, this->height,
- this->ratio, XINE_IMGFMT_YV12, VO_BOTH_FIELDS);
-
- }
-
- img->duration = this->video_step;
- img->pts = buf->pts;
- img->bad_frame = 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 yuv_flush (video_decoder_t *this_gen) {
-}
-
-/*
- * This function resets the video decoder.
- */
-static void yuv_reset (video_decoder_t *this_gen) {
- yuv_decoder_t *this = (yuv_decoder_t *) this_gen;
-
- this->size = 0;
-}
-
-static void yuv_discontinuity (video_decoder_t *this_gen) {
-}
-
-/*
- * This function frees the video decoder instance allocated to the decoder.
- */
-static void yuv_dispose (video_decoder_t *this_gen) {
- yuv_decoder_t *this = (yuv_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) {
-
- yuv_decoder_t *this ;
-
- this = (yuv_decoder_t *) calloc(1, sizeof(yuv_decoder_t));
-
- this->video_decoder.decode_data = yuv_decode_data;
- this->video_decoder.flush = yuv_flush;
- this->video_decoder.reset = yuv_reset;
- this->video_decoder.discontinuity = yuv_discontinuity;
- this->video_decoder.dispose = yuv_dispose;
- this->size = 0;
-
- this->stream = stream;
- this->class = (yuv_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 "YUV";
-}
-
-static char *get_description (video_decoder_class_t *this) {
- return "Raw YUV video decoder plugin";
-}
-
-static void dispose_class (video_decoder_class_t *this) {
- free (this);
-}
-
-static void *init_plugin (xine_t *xine, void *data) {
-
- yuv_class_t *this;
-
- this = (yuv_class_t *) calloc(1, sizeof(yuv_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;
-}
-
-/*
- * exported plugin catalog entry
- */
-
-static const uint32_t video_types[] = {
- BUF_VIDEO_YUY2,
- BUF_VIDEO_YV12,
- BUF_VIDEO_YVU9,
- BUF_VIDEO_GREY,
- BUF_VIDEO_I420,
- 0
- };
-
-static const decoder_info_t dec_info_video = {
- video_types, /* supported types */
- 1 /* priority */
-};
-
-const plugin_info_t xine_plugin_info[] EXPORTED = {
- /* type, API, "name", version, special_info, init_function */
- { PLUGIN_VIDEO_DECODER, 18, "yuv", XINE_VERSION_CODE, &dec_info_video, init_plugin },
- { PLUGIN_NONE, 0, "", 0, NULL, NULL }
-};
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 14:05:59 +0000