diff options
Diffstat (limited to 'src/libspucc/xine_cc_decoder.c')
| -rw-r--r-- | src/libspucc/xine_cc_decoder.c | 376 |
1 files changed, 0 insertions, 376 deletions
diff --git a/src/libspucc/xine_cc_decoder.c b/src/libspucc/xine_cc_decoder.c deleted file mode 100644 index 47c1d1f2f..000000000 --- a/src/libspucc/xine_cc_decoder.c +++ /dev/null @@ -1,376 +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 - * - * closed caption spu decoder. receive data by events. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -#include "buffer.h" -#include "xine_internal.h" -#include "xineutils.h" -#include "cc_decoder.h" - -/* -#define LOG_DEBUG 1 -*/ - -const char *cc_schemes[NUM_CC_PALETTES + 1] = { - "White/Gray/Translucent", - "White/Black/Solid", - NULL -}; - -typedef struct spucc_decoder_s { - spu_decoder_t spu_decoder; - - xine_stream_t *stream; - - /* closed captioning decoder state */ - cc_decoder_t *ccdec; - /* true if ccdec has been initialized */ - int cc_open; - - /* closed captioning decoder configuration and intrinsics */ - cc_state_t cc_state; - /* this is to detect configuration changes */ - int config_version; - - /* video dimensions captured in frame change events */ - int video_width; - int video_height; - - /* events will be sent here */ - xine_event_queue_t *queue; - -} spucc_decoder_t; - - -/*------------------- general utility functions ----------------------------*/ - -static void copy_str(char *d, const char *s, size_t maxbytes) -{ - strncpy(d, s, maxbytes - 1); - d[maxbytes - 1] = '\0'; -} - - -/*------------------- private methods --------------------------------------*/ - -static void spucc_update_intrinsics(spucc_decoder_t *this) -{ -#ifdef LOG_DEBUG - printf("spucc: update_intrinsics\n"); -#endif - - if (this->cc_open) - cc_renderer_update_cfg(this->cc_state.renderer, this->video_width, - this->video_height); -} - -static void spucc_do_close(spucc_decoder_t *this) -{ - if (this->cc_open) { -#ifdef LOG_DEBUG - printf("spucc: close\n"); -#endif - cc_decoder_close(this->ccdec); - cc_renderer_close(this->cc_state.renderer); - this->cc_open = 0; - } -} - -static void spucc_do_init (spucc_decoder_t *this) -{ - if (! this->cc_open) { -#ifdef LOG_DEBUG - printf("spucc: init\n"); -#endif - /* initialize caption renderer */ - this->cc_state.renderer = cc_renderer_open(this->stream->osd_renderer, - this->stream->metronom, - &this->cc_state, - this->video_width, - this->video_height); - spucc_update_intrinsics(this); - /* initialize CC decoder */ - this->ccdec = cc_decoder_open(&this->cc_state); - this->cc_open = 1; - } -} - - -/*----------------- configuration listeners --------------------------------*/ - -static void spucc_cfg_enable_change(void *this_gen, xine_cfg_entry_t *value) -{ - spucc_class_t *this = (spucc_class_t *) this_gen; - cc_config_t *cc_cfg = &this->cc_cfg; - - cc_cfg->cc_enabled = value->num_value; -#ifdef LOG_DEBUG - printf("spucc: closed captions are now %s.\n", cc_cfg->cc_enabled? - "enabled" : "disabled"); -#endif - cc_cfg->config_version++; -} - - -static void spucc_cfg_scheme_change(void *this_gen, xine_cfg_entry_t *value) -{ - spucc_class_t *this = (spucc_class_t *) this_gen; - cc_config_t *cc_cfg = &this->cc_cfg; - - cc_cfg->cc_scheme = value->num_value; -#ifdef LOG_DEBUG - printf("spucc: closed captioning scheme is now %s.\n", - cc_schemes[cc_cfg->cc_scheme]); -#endif - cc_cfg->config_version++; -} - - -static void spucc_font_change(void *this_gen, xine_cfg_entry_t *value) -{ - spucc_class_t *this = (spucc_class_t *) this_gen; - cc_config_t *cc_cfg = &this->cc_cfg; - char *font; - - if (strcmp(value->key, "subtitles.closedcaption.font") == 0) - font = cc_cfg->font; - else - font = cc_cfg->italic_font; - - copy_str(font, value->str_value, CC_FONT_MAX); -#ifdef LOG_DEBUG - printf("spucc: changing %s to font %s\n", value->key, font); -#endif - cc_cfg->config_version++; -} - - -static void spucc_num_change(void *this_gen, xine_cfg_entry_t *value) -{ - spucc_class_t *this = (spucc_class_t *) this_gen; - cc_config_t *cc_cfg = &this->cc_cfg; - int *num; - - if (strcmp(value->key, "subtitles.closedcaption.font_size") == 0) - num = &cc_cfg->font_size; - else - num = &cc_cfg->center; - - *num = value->num_value; -#ifdef LOG_DEBUG - printf("spucc: changing %s to %d\n", value->key, *num); -#endif - cc_cfg->config_version++; -} - - -static void spucc_register_cfg_vars(spucc_class_t *this, - config_values_t *xine_cfg) { - cc_config_t *cc_vars = &this->cc_cfg; - - cc_vars->cc_enabled = xine_cfg->register_bool(xine_cfg, - "subtitles.closedcaption.enabled", 0, - _("display closed captions in MPEG-2 streams"), - _("Closed Captions are subtitles mostly meant " - "to help the hearing impaired."), - 0, spucc_cfg_enable_change, this); - - cc_vars->cc_scheme = xine_cfg->register_enum(xine_cfg, - "subtitles.closedcaption.scheme", 0, - (char **)cc_schemes, - _("closed-captioning foreground/background scheme"), - _("Choose your favourite rendering of the closed " - "captions."), - 10, spucc_cfg_scheme_change, this); - - copy_str(cc_vars->font, - xine_cfg->register_string(xine_cfg, "subtitles.closedcaption.font", "cc", - _("standard closed captioning font"), - _("Choose the font for standard closed captions text."), - 20, spucc_font_change, this), - CC_FONT_MAX); - - copy_str(cc_vars->italic_font, - xine_cfg->register_string(xine_cfg, "subtitles.closedcaption.italic_font", "cci", - _("italic closed captioning font"), - _("Choose the font for italic closed captions text."), - 20, spucc_font_change, this), - CC_FONT_MAX); - - cc_vars->font_size = xine_cfg->register_num(xine_cfg, "subtitles.closedcaption.font_size", - 24, - _("closed captioning font size"), - _("Choose the font size for closed captions text."), - 10, spucc_num_change, this); - - cc_vars->center = xine_cfg->register_bool(xine_cfg, "subtitles.closedcaption.center", 1, - _("center-adjust closed captions"), - _("When enabled, closed captions will be positioned " - "by the center of the individual lines."), - 20, spucc_num_change, this); -} - - -/* called when the video frame size changes */ -static void spucc_notify_frame_change(spucc_decoder_t *this, - int width, int height) { -#ifdef LOG_DEBUG - printf("spucc: new frame size: %dx%d\n", width, height); -#endif - - this->video_width = width; - this->video_height = height; - spucc_update_intrinsics(this); -} - - -/*------------------- implementation of spudec interface -------------------*/ - -static void spudec_decode_data (spu_decoder_t *this_gen, buf_element_t *buf) { - spucc_decoder_t *this = (spucc_decoder_t *) this_gen; - xine_event_t *event; - - while ((event = xine_event_get(this->queue))) { - switch (event->type) { - case XINE_EVENT_FRAME_FORMAT_CHANGE: - { - xine_format_change_data_t *frame_change = - (xine_format_change_data_t *)event->data; - - spucc_notify_frame_change(this, frame_change->width, - frame_change->height); - } - break; - } - xine_event_free(event); - } - - if (buf->decoder_flags & BUF_FLAG_PREVIEW) { - } else { - - if (this->cc_state.cc_cfg->config_version > this->config_version) { - spucc_update_intrinsics(this); - if (!this->cc_state.cc_cfg->cc_enabled) - spucc_do_close(this); - this->config_version = this->cc_state.cc_cfg->config_version; - } - - if (this->cc_state.cc_cfg->cc_enabled) { - if( !this->cc_open ) - spucc_do_init (this); - if(this->cc_state.can_cc) { - decode_cc(this->ccdec, buf->content, buf->size, - buf->pts); - } - } - } -} - -static void spudec_reset (spu_decoder_t *this_gen) { -} - -static void spudec_discontinuity (spu_decoder_t *this_gen) { -} - -static void spudec_dispose (spu_decoder_t *this_gen) { - spucc_decoder_t *this = (spucc_decoder_t *) this_gen; - - spucc_do_close(this); - xine_event_dispose_queue(this->queue); - free (this); -} - - -static spu_decoder_t *spudec_open_plugin (spu_decoder_class_t *class, xine_stream_t *stream) { - - spucc_decoder_t *this ; - - this = (spucc_decoder_t *) calloc(1, sizeof(spucc_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->stream = stream; - this->queue = xine_event_new_queue(stream); - this->cc_state.cc_cfg = &((spucc_class_t *)class)->cc_cfg; - this->config_version = 0; - this->cc_open = 0; - - cc_decoder_init(); - - return &this->spu_decoder; -} - -static char *spudec_get_identifier(spu_decoder_class_t *class) { - return "spucc"; -} - -static char *spudec_get_description(spu_decoder_class_t *class) { - return "closed caption decoder plugin"; -} - -static void spudec_class_dispose(spu_decoder_class_t *class) { - free(class); -} - - -static void *init_spu_decoder_plugin (xine_t *xine, void *data) { - - spucc_class_t *this ; - - this = (spucc_class_t *) calloc(1, sizeof(spucc_class_t)); - - this->spu_class.open_plugin = spudec_open_plugin; - this->spu_class.get_identifier = spudec_get_identifier; - this->spu_class.get_description = spudec_get_description; - this->spu_class.dispose = spudec_class_dispose; - - spucc_register_cfg_vars(this, xine->config); - this->cc_cfg.config_version = 0; - - return &this->spu_class; -} - -/* plugin catalog information */ -static uint32_t supported_types[] = { BUF_SPU_CC, 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, "spucc", XINE_VERSION_CODE, &spudec_info, &init_spu_decoder_plugin }, - { PLUGIN_NONE, 0, "", 0, NULL, NULL } -}; |