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Diffstat (limited to 'src/demuxers/demux_cda.c')
-rw-r--r-- | src/demuxers/demux_cda.c | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/src/demuxers/demux_cda.c b/src/demuxers/demux_cda.c new file mode 100644 index 000000000..df4de96be --- /dev/null +++ b/src/demuxers/demux_cda.c @@ -0,0 +1,303 @@ +/* + * Copyright (C) 2000-2001 the xine project + * + * This file is part of xine, a unix 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: demux_cda.c,v 1.1 2001/12/06 23:53:20 f1rmb Exp $ + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> +#include <pthread.h> +#include <string.h> +#include <stdlib.h> + +#include "xine_internal.h" +#include "xineutils.h" +#include "compat.h" +#include "demux.h" + +#define DEMUX_CDA_IFACE_VERSION 3 + +typedef struct { + + demux_plugin_t demux_plugin; + + config_values_t *config; + + fifo_buffer_t *video_fifo; + fifo_buffer_t *audio_fifo; + + input_plugin_t *input; + + pthread_t thread; + + off_t start; + + int status; + int send_end_buffers; + int blocksize; + +} demux_cda_t ; + +/* + * + */ +static int demux_cda_next (demux_cda_t *this) { + buf_element_t *buf; + int pos, len; + + buf = this->input->read_block(this->input, this->audio_fifo, this->blocksize); + + pos = this->input->get_current_pos(this->input); + len = this->input->get_length(this->input); + + buf->PTS = 0; + buf->SCR = 0; + buf->input_pos = this->input->get_current_pos(this->input); + buf->input_time = buf->input_pos / this->blocksize; + buf->type = BUF_AUDIO_MPEG; /* Fake */ + + if(this->audio_fifo) + this->audio_fifo->put(this->audio_fifo, buf); + + return ((pos < len)); +} + +/* + * + */ +static void *demux_cda_loop (void *this_gen) { + demux_cda_t *this = (demux_cda_t *) this_gen; + buf_element_t *buf; + + this->send_end_buffers = 1; + + this->input->seek(this->input, this->start, SEEK_SET); + + do { + + if (!demux_cda_next(this)) + this->status = DEMUX_FINISHED; + + } while (this->status == DEMUX_OK) ; + + this->status = DEMUX_FINISHED; + + if (this->send_end_buffers) { + buf = this->video_fifo->buffer_pool_alloc (this->video_fifo); + buf->type = BUF_CONTROL_END; + buf->decoder_info[0] = 0; /* stream finished */ + this->video_fifo->put (this->video_fifo, buf); + + if(this->audio_fifo) { + buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo); + buf->type = BUF_CONTROL_END; + buf->decoder_info[0] = 0; /* stream finished */ + this->audio_fifo->put (this->audio_fifo, buf); + } + } + + pthread_exit(NULL); +} + +/* + * + */ +static void demux_cda_stop (demux_plugin_t *this_gen) { + demux_cda_t *this = (demux_cda_t *) this_gen; + buf_element_t *buf; + void *p; + + if (this->status != DEMUX_OK) { + printf ("demux_cda: stop...ignored\n"); + return; + } + + /* Force stop */ + this->input->stop(this->input); + + this->send_end_buffers = 0; + this->status = DEMUX_FINISHED; + + pthread_cancel(this->thread); + pthread_join(this->thread, &p); + + this->video_fifo->clear(this->video_fifo); + if (this->audio_fifo) + this->audio_fifo->clear(this->audio_fifo); + + buf = this->video_fifo->buffer_pool_alloc (this->video_fifo); + buf->type = BUF_CONTROL_END; + buf->decoder_info[0] = 1; /* forced */ + this->video_fifo->put (this->video_fifo, buf); + + if(this->audio_fifo) { + buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo); + buf->type = BUF_CONTROL_END; + buf->decoder_info[0] = 1; /* forced */ + this->audio_fifo->put (this->audio_fifo, buf); + } + +} + +/* + * + */ +static int demux_cda_get_status (demux_plugin_t *this_gen) { + demux_cda_t *this = (demux_cda_t *) this_gen; + + return this->status; +} + +/* + * + */ +static void demux_cda_start (demux_plugin_t *this_gen, + fifo_buffer_t *video_fifo, + fifo_buffer_t *audio_fifo, + off_t start_pos, int start_time) { + demux_cda_t *this = (demux_cda_t *) this_gen; + buf_element_t *buf; + int err; + + this->video_fifo = video_fifo; + this->audio_fifo = audio_fifo; + + this->status = DEMUX_OK; + this->start = start_pos; + + this->blocksize = this->input->get_blocksize(this->input); + + buf = this->video_fifo->buffer_pool_alloc (this->video_fifo); + buf->type = BUF_CONTROL_START; + this->video_fifo->put (this->video_fifo, buf); + + if(this->audio_fifo) { + buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo); + buf->type = BUF_CONTROL_START; + this->audio_fifo->put (this->audio_fifo, buf); + } + + /* + * now start demuxing + */ + + if ((err = pthread_create (&this->thread, + NULL, demux_cda_loop, this)) != 0) { + fprintf (stderr, "demux_cda: can't create new thread (%s)\n", strerror(err)); + exit(1); + } +} + +/* + * + */ +static int demux_cda_open(demux_plugin_t *this_gen, input_plugin_t *input, int stage) { + demux_cda_t *this = (demux_cda_t *) this_gen; + + switch(stage) { + + case STAGE_BY_CONTENT: + return DEMUX_CANNOT_HANDLE; + break; + + case STAGE_BY_EXTENSION: { + char *media; + char *MRL = input->get_mrl(input); + + media = strstr(MRL, "://"); + if(media) { + if(!strncasecmp(MRL, "cda", 3)) { + this->input = input; + return DEMUX_CAN_HANDLE; + } + } + } + break; + + default: + return DEMUX_CANNOT_HANDLE; + break; + } + + return DEMUX_CANNOT_HANDLE; +} + +/* + * + */ +static char *demux_cda_get_id(void) { + return "CDA"; +} + +/* + * + */ +static char *demux_cda_get_mimetypes(void) { + return "audio/cda: CD Audio"; +} + +/* + * + */ +static void demux_cda_close (demux_plugin_t *this) { + +} + +/* + * + */ +static int demux_cda_get_stream_length (demux_plugin_t *this_gen) { + + return 0; +} + +/* + * + */ +demux_plugin_t *init_demuxer_plugin(int iface, xine_t *xine) { + demux_cda_t *this; + + if (iface != 6) { + printf( "demux_cda: plugin doesn't support plugin API version %d.\n" + "demux_cda: this means there's a version mismatch between xine and this " + "demux_cda: demuxer plugin.\nInstalling current demux plugins should help.\n", + iface); + return NULL; + } + + this = (demux_cda_t *) xine_xmalloc(sizeof(demux_cda_t)); + this->config = xine->config; + + this->demux_plugin.interface_version = DEMUX_CDA_IFACE_VERSION; + this->demux_plugin.open = demux_cda_open; + this->demux_plugin.start = demux_cda_start; + this->demux_plugin.stop = demux_cda_stop; + this->demux_plugin.close = demux_cda_close; + this->demux_plugin.get_status = demux_cda_get_status; + this->demux_plugin.get_identifier = demux_cda_get_id; + this->demux_plugin.get_stream_length = demux_cda_get_stream_length; + this->demux_plugin.get_mimetypes = demux_cda_get_mimetypes; + + return &this->demux_plugin; +} |