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Diffstat (limited to 'src/libspucmml/xine_cmml_decoder.c')
-rw-r--r--src/libspucmml/xine_cmml_decoder.c537
1 files changed, 0 insertions, 537 deletions
diff --git a/src/libspucmml/xine_cmml_decoder.c b/src/libspucmml/xine_cmml_decoder.c
deleted file mode 100644
index 87edcfbfe..000000000
--- a/src/libspucmml/xine_cmml_decoder.c
+++ /dev/null
@@ -1,537 +0,0 @@
-/*
- * Copyright (C) 2000-2008 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
- */
-
-#define LOG_MODULE "libspucmml"
-#define LOG_VERBOSE
-/*
-#define LOG
-*/
-#define LOG_OSD 0
-#define LOG_SCHEDULING 0
-#define LOG_WIDTH 0
-
-#define SUB_BUFSIZE 1024
-#define SUB_MAX_TEXT 5
-
-#include "xine_internal.h"
-
-typedef enum {
- SUBTITLE_SIZE_SMALL = 0,
- SUBTITLE_SIZE_NORMAL,
- SUBTITLE_SIZE_LARGE,
-
- SUBTITLE_SIZE_NUM /* number of values in enum */
-} subtitle_size;
-
-
-typedef struct spucmml_class_s {
- spu_decoder_class_t class;
- char *src_encoding; /* encoding of subtitle file */
- xine_t *xine;
-
-} spucmml_class_t;
-
-
-typedef struct cmml_anchor_s {
- char *text;
- char *href;
-} cmml_anchor_t;
-
-
-typedef struct spucmml_decoder_s {
- spu_decoder_t spu_decoder;
-
- spucmml_class_t *class;
- xine_stream_t *stream;
-
- xine_event_queue_t *event_queue;
-
- int lines;
- char text[SUB_MAX_TEXT][SUB_BUFSIZE];
-
- int cached_width; /* frame width */
- int cached_height; /* frame height */
- int64_t cached_img_duration;
- int font_size;
- int line_height;
- int master_started;
- int slave_started;
-
- char *font; /* subtitle font */
- subtitle_size subtitle_size; /* size of subtitles */
- int vertical_offset;
-
- osd_object_t *osd;
-
- cmml_anchor_t current_anchor;
-} spucmml_decoder_t;
-
-
-static void video_frame_format_change_callback (void *user_data, const xine_event_t *event);
-
-
-static void update_font_size (spucmml_decoder_t *this) {
- static const int sizes[SUBTITLE_SIZE_NUM][4] = {
- { 16, 16, 16, 20 }, /* SUBTITLE_SIZE_SMALL */
- { 16, 16, 20, 24 }, /* SUBTITLE_SIZE_NORMAL */
- { 16, 20, 24, 32 }, /* SUBTITLE_SIZE_LARGE */
- };
-
- const int *const vec = sizes[this->subtitle_size];
-
- if( this->cached_width >= 512 )
- this->font_size = vec[3];
- else if( this->cached_width >= 384 )
- this->font_size = vec[2];
- else if( this->cached_width >= 320 )
- this->font_size = vec[1];
- else
- this->font_size = vec[0];
-
- this->line_height = this->font_size + 10;
-
- int y = this->cached_height - (SUB_MAX_TEXT * this->line_height) - 5;
-
- if(((y - this->vertical_offset) >= 0) && ((y - this->vertical_offset) <= this->cached_height))
- y -= this->vertical_offset;
-
- /* TODO: we should move this stuff below into another function */
-
- if (this->osd)
- this->stream->osd_renderer->free_object (this->osd);
-
- llprintf (LOG_OSD,
- "pre new_object: osd=%p, osd_renderer=%p, width=%d, height=%d\n",
- this->osd,
- this->stream->osd_renderer,
- this->cached_width,
- SUB_MAX_TEXT * this->line_height);
-
- this->osd = this->stream->osd_renderer->new_object (this->stream->osd_renderer,
- this->cached_width, SUB_MAX_TEXT * this->line_height);
-
- llprintf (LOG_OSD, "post new_object: osd is %p\n", this->osd);
-
- if(this->stream->osd_renderer) {
- this->stream->osd_renderer->set_font (this->osd, this->font, this->font_size);
- this->stream->osd_renderer->set_position (this->osd, 0, y);
- }
-}
-
-static int get_width(spucmml_decoder_t *this, char* text) {
- int width=0;
-
- while (1)
- switch (*text) {
- case '\0':
- llprintf(LOG_WIDTH, "get_width returning width of %d\n", width);
- return width;
-
- case '<':
- if (!strncmp("<b>", text, 3)) {
- /*Do somethink to enable BOLD typeface*/
- text += 3;
- break;
- } else if (!strncmp("</b>", text, 3)) {
- /*Do somethink to disable BOLD typeface*/
- text += 4;
- break;
- } else if (!strncmp("<i>", text, 3)) {
- /*Do somethink to enable italics typeface*/
- text += 3;
- break;
- } else if (!strncmp("</i>", text, 3)) {
- /*Do somethink to disable italics typeface*/
- text += 4;
- break;
- } else if (!strncmp("<font>", text, 3)) {
- /*Do somethink to disable typing
- fixme - no teststreams*/
- text += 6;
- break;
- } else if (!strncmp("</font>", text, 3)) {
- /*Do somethink to enable typing
- fixme - no teststreams*/
- text += 7;
- break;
- }
- default:
- {
- int w, dummy;
- const char letter[2] = { *text, '\0' };
- this->stream->osd_renderer->get_text_size(this->osd, letter, &w, &dummy);
- width += w;
- text++;
- }
- }
-}
-
-static void render_line(spucmml_decoder_t *this, int x, int y, char* text) {
- while (*text != '\0') {
- int w, dummy;
- const char letter[2] = { *text, '\0' };
-
- this->stream->osd_renderer->render_text(this->osd, x, y, letter, OSD_TEXT1);
- this->stream->osd_renderer->get_text_size(this->osd, letter, &w, &dummy);
- x += w;
- text++;
- }
-}
-
-static void draw_subtitle(spucmml_decoder_t *this, int64_t sub_start) {
-
- this->stream->osd_renderer->filled_rect (this->osd, 0, 0,
- this->cached_width-1, this->line_height * SUB_MAX_TEXT - 1, 0);
-
- const int y = (SUB_MAX_TEXT - this->lines) * this->line_height;
- int font_size = this->font_size;
- this->stream->osd_renderer->set_encoding(this->osd, this->class->src_encoding);
-
- int line;
-
- for (line=0; line<this->lines; line++) {
- int x;
- while(1) {
- const int w = get_width( this, this->text[line]);
- x = (this->cached_width - w) / 2;
-
- if( w > this->cached_width && font_size > 16 ) {
- font_size -= 4;
- this->stream->osd_renderer->set_font (this->osd, this->font, font_size);
- } else {
- break;
- }
- }
- render_line(this, x, y + line*this->line_height, this->text[line]);
- }
-
- if( font_size != this->font_size )
- this->stream->osd_renderer->set_font (this->osd, this->font, this->font_size);
-
-
- this->stream->osd_renderer->set_text_palette (this->osd, -1, OSD_TEXT1);
- this->stream->osd_renderer->show (this->osd, sub_start);
-
- llprintf (LOG_SCHEDULING,
- "spucmml: scheduling subtitle >%s< at %"PRId64", current time is %"PRId64"\n",
- this->text[0], sub_start,
- this->stream->xine->clock->get_current_time (this->stream->xine->clock));
-}
-
-static void spudec_decode_data (spu_decoder_t *this_gen, buf_element_t *buf) {
-
- spucmml_decoder_t *this = (spucmml_decoder_t *) this_gen;
-
- xml_parser_t *xml_parser;
- xml_node_t *packet_xml_root;
- char * anchor_text = NULL;
-
- lprintf("CMML packet seen\n");
-
- char *str = (char *) buf->content;
-
- /* parse the CMML */
-
- xml_parser = xml_parser_init_r (str, strlen (str), XML_PARSER_CASE_INSENSITIVE);
- if (xml_parser_build_tree_r(xml_parser, &packet_xml_root) != XML_PARSER_OK) {
- lprintf ("warning: invalid XML packet detected in CMML track\n");
- xml_parser_finalize_r(xml_parser);
- return;
- }
-
- xml_parser_finalize_r(xml_parser);
-
- if (strcasecmp(packet_xml_root->name, "head") == 0) {
- /* found a <head>...</head> packet: need to parse the title */
-
- xml_node_t *title_node;
-
- /* iterate through children trying to find the title node */
-
- for (title_node = packet_xml_root->child; title_node != NULL; title_node = title_node->next) {
-
- if (title_node->data &&
- strcasecmp (title_node->name, "title") == 0) {
- /* found a title node */
-
- xine_ui_data_t data = {
- .str_len = strlen(title_node->data) + 1
- };
- xine_event_t uevent = {
- .type = XINE_EVENT_UI_SET_TITLE,
- .stream = this->stream,
- .data = &data,
- .data_length = sizeof(data),
- };
- strncpy(data.str, title_node->data, sizeof(data.str)-1);
-
- /* found a non-empty title */
- lprintf ("found title: \"%s\"\n", data.str);
-
- /* set xine meta-info */
- _x_meta_info_set(this->stream, XINE_META_INFO_TITLE, strdup(data.str));
-
- /* and push out a new event signifying the title update on the event
- * queue */
- xine_event_send(this->stream, &uevent);
- }
- }
- } else if (strcasecmp(packet_xml_root->name, "clip") == 0) {
- /* found a <clip>...</clip> packet: search for the <a href="..."> in it */
- xml_node_t *clip_node;
-
- /* iterate through each tag contained in the <clip> tag to look for <a> */
-
- for (clip_node = packet_xml_root->child; clip_node != NULL; clip_node = clip_node->next) {
-
- if (strcasecmp (clip_node->name, "a") == 0) {
- xml_property_t *href_property;
-
- /* found the <a> tag: grab its value and its href property */
-
- if (clip_node->data)
- anchor_text = strdup (clip_node->data);
-
- for (href_property = clip_node->props; href_property != NULL; href_property = href_property->next) {
- if (strcasecmp (href_property->name, "href") == 0) {
- /* found the href property */
- char *href = href_property->value;
-
- if (href) {
- lprintf ("found href: \"%s\"\n", href);
- this->current_anchor.href = strdup(href);
- }
- }
- }
- }
- }
- }
-
- /* finish here if we don't have to process any anchor text */
- if (!anchor_text)
- return;
-
- /* how many lines does the anchor text take up? */
- this->lines=0;
- {
- int i = 0, index = 0;
- while (anchor_text[index]) {
- if (anchor_text[index] == '\r' || anchor_text[index] == '\n') {
- if (i) {
- /* match a newline and there are chars on the current line ... */
- this->text[ this->lines ][i] = '\0';
- this->lines++;
- i = 0;
- }
- } else {
- /* found a normal (non-line-ending) character */
- this->text[ this->lines ][i] = anchor_text[index];
- if (i<SUB_BUFSIZE-1)
- i++;
- }
- index++;
- }
-
- /* always NULL-terminate the string */
- if (i) {
- this->text[ this->lines ][i] = '\0';
- this->lines++;
- }
- }
- free (anchor_text);
-
- /* initialize decoder if needed */
- if( !this->cached_width || !this->cached_height || !this->cached_img_duration || !this->osd ) {
- if( this->stream->video_out->status(this->stream->video_out, NULL,
- &this->cached_width, &this->cached_height, &this->cached_img_duration )) {
- if( this->cached_width && this->cached_height && this->cached_img_duration ) {
- lprintf("this->stream->osd_renderer is %p\n", this->stream->osd_renderer);
- }
- }
- }
-
- update_font_size (this);
-
- if( this->osd ) {
- draw_subtitle(this, buf->pts);
- return;
- } else {
- lprintf ("libspucmml: no osd\n");
- }
-
- return;
-}
-
-static void video_frame_format_change_callback (void *user_data, const xine_event_t *event)
-{
- /* this doesn't do anything for now: it's a start at attempting to display
- * CMML clips which occur at 0 seconds into the track. see
- *
- * http://marc.theaimsgroup.com/?l=xine-devel&m=109202443013890&w=2
- *
- * for a description of the problem. */
-
- switch (event->type) {
- case XINE_EVENT_FRAME_FORMAT_CHANGE:
- lprintf("video_frame_format_change_callback called!\n");
- break;
- default:
- lprintf("video_frame_format_change_callback called with unknown event %d\n", event->type);
- break;
- }
-}
-
-static void spudec_reset (spu_decoder_t *this_gen) {
- spucmml_decoder_t *this = (spucmml_decoder_t *) this_gen;
-
- this->cached_width = this->cached_height = 0;
-}
-
-static void spudec_discontinuity (spu_decoder_t *this_gen) {
- /* do nothing */
-}
-
-static void spudec_dispose (spu_decoder_t *this_gen) {
- spucmml_decoder_t *this = (spucmml_decoder_t *) this_gen;
-
- if (this->event_queue)
- xine_event_dispose_queue (this->event_queue);
-
- if (this->osd) {
- this->stream->osd_renderer->free_object (this->osd);
- this->osd = NULL;
- }
- free(this);
-}
-
-static void update_vertical_offset(void *this_gen, xine_cfg_entry_t *entry)
-{
- spucmml_decoder_t *this = (spucmml_decoder_t *)this_gen;
-
- this->vertical_offset = entry->num_value;
- update_font_size(this);
-}
-
-static void update_osd_font(void *this_gen, xine_cfg_entry_t *entry)
-{
- spucmml_decoder_t *this = (spucmml_decoder_t *)this_gen;
-
- this->font = entry->str_value;
-
- if( this->stream->osd_renderer )
- this->stream->osd_renderer->set_font (this->osd, this->font, this->font_size);
-}
-
-static spu_decoder_t *spucmml_class_open_plugin (spu_decoder_class_t *class_gen, xine_stream_t *stream) {
- spucmml_class_t *class = (spucmml_class_t *)class_gen;
- spucmml_decoder_t *this = (spucmml_decoder_t *) calloc(1, sizeof(spucmml_decoder_t));
-
- this->spu_decoder.decode_data = spudec_decode_data;
- this->spu_decoder.reset = spudec_reset;
- this->spu_decoder.discontinuity = spudec_discontinuity;
- this->spu_decoder.dispose = spudec_dispose;
- this->spu_decoder.get_interact_info = NULL;
- this->spu_decoder.set_button = NULL;
- this->spu_decoder.dispose = spudec_dispose;
-
- this->class = class;
- this->stream = stream;
-
- this->event_queue = xine_event_new_queue (this->stream);
- xine_event_create_listener_thread (this->event_queue,
- video_frame_format_change_callback,
- this);
-
- this->font_size = 24;
- this->subtitle_size = 1;
-
- this->font = class->xine->config->register_string(class->xine->config,
- "subtitles.separate.font",
- "sans",
- _("font for external subtitles"),
- NULL, 0, update_osd_font, this);
-
- this->vertical_offset = class->xine->config->register_num(class->xine->config,
- "subtitles.separate.vertical_offset",
- 0,
- _("subtitle vertical offset (relative window size)"),
- NULL, 0, update_vertical_offset, this);
-
- this->current_anchor.href = NULL;
-
- lprintf ("video_out is at %p\n", this->stream->video_out);
-
- return (spu_decoder_t *) this;
-}
-
-static void spucmml_class_dispose (spu_decoder_class_t *this) {
- free (this);
-}
-
-static char *spucmml_class_get_identifier (spu_decoder_class_t *this) {
- return "spucmml";
-}
-
-static char *spucmml_class_get_description (spu_decoder_class_t *this) {
- return "CMML subtitle decoder plugin";
-}
-
-static void update_src_encoding(void *this_gen, xine_cfg_entry_t *entry)
-{
- spucmml_class_t *this = (spucmml_class_t *)this_gen;
-
- this->src_encoding = entry->str_value;
- printf("libspucmml: spu_src_encoding = %s\n", this->src_encoding );
-}
-
-static void *init_spu_decoder_plugin (xine_t *xine, void *data) {
- spucmml_class_t *this = (spucmml_class_t *) calloc(1, sizeof(spucmml_class_t));
-
- this->class.open_plugin = spucmml_class_open_plugin;
- this->class.get_identifier = spucmml_class_get_identifier;
- this->class.get_description = spucmml_class_get_description;
- this->class.dispose = spucmml_class_dispose;
-
- this->xine = xine;
-
- this->src_encoding = xine->config->register_string(xine->config,
- "subtitles.separate.src_encoding",
- "iso-8859-1",
- _("encoding of subtitles"),
- NULL, 10, update_src_encoding, this);
-
- return &this->class;
-}
-
-
-/* plugin catalog information */
-static uint32_t supported_types[] = { BUF_SPU_CMML, 0 };
-
-static const decoder_info_t spudec_info = {
- supported_types, /* supported types */
- 1 /* priority */
-};
-
-const plugin_info_t xine_plugin_info[] EXPORTED = {
- /* type, API, "name", version, special_info, init_function */
- { PLUGIN_SPU_DECODER, 16, "spucmml", XINE_VERSION_CODE, &spudec_info, &init_spu_decoder_plugin },
- { PLUGIN_NONE, 0, "", 0, NULL, NULL }
-};
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 19:17:52 +0000