diff options
| -rw-r--r-- | src/demuxers/Makefile.am | 7 | ||||
| -rw-r--r-- | src/demuxers/demux_ipmovie.c | 798 |
2 files changed, 804 insertions, 1 deletions
diff --git a/src/demuxers/Makefile.am b/src/demuxers/Makefile.am index 621385a9c..00472e1a9 100644 --- a/src/demuxers/Makefile.am +++ b/src/demuxers/Makefile.am @@ -49,7 +49,8 @@ lib_LTLIBRARIES = $(ogg_module) $(asf_module) $(mng_module) \ xineplug_dmx_real.la \ xineplug_dmx_realaudio.la \ xineplug_dmx_eawve.la \ - xineplug_dmx_rawdv.la + xineplug_dmx_rawdv.la \ + xineplug_dmx_ipmovie.la xineplug_dmx_ogg_la_SOURCES = demux_ogg.c xineplug_dmx_ogg_la_LIBADD = $(OGG_LIBS) $(VORBIS_LIBS) $(XINELIB) @@ -163,6 +164,10 @@ xineplug_dmx_mng_la_SOURCES = demux_mng.c xineplug_dmx_mng_la_LIBADD = $(XINELIB) $(ZLIB_LIBS) $(MNG_LIBS) xineplug_dmx_mng_la_LDFLAGS = -avoid-version -module @XINE_PLUGIN_MIN_SYMS@ +xineplug_dmx_ipmovie_la_SOURCES = demux_ipmovie.c +xineplug_dmx_ipmovie_la_LIBADD = $(XINELIB) $(ZLIB_LIBS) $(MNG_LIBS) +xineplug_dmx_ipmovie_la_LDFLAGS = -avoid-version -module @XINE_PLUGIN_MIN_SYMS@ + include_HEADERS = demux.h noinst_HEADERS = asfheader.h qtpalette.h diff --git a/src/demuxers/demux_ipmovie.c b/src/demuxers/demux_ipmovie.c new file mode 100644 index 000000000..e7868efa0 --- /dev/null +++ b/src/demuxers/demux_ipmovie.c @@ -0,0 +1,798 @@ +/* + * Copyright (C) 2000-2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + * + * Interplay MVE File Demuxer by Mike Melanson (melanson@pcisys.net) + * For more information regarding the Interplay MVE file format, visit: + * http://www.pcisys.net/~melanson/codecs/ + * + * $Id: demux_ipmovie.c,v 1.1 2002/12/28 18:23:38 tmmm 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" +#include "bswap.h" + +/* debugging support */ +#define DEBUG_IPMOVIE 0 +#if DEBUG_IPMOVIE +#define debug_ipmovie printf +#else +static inline void debug_ipmovie(const char *format, ...) { } +#endif + +#define IPMOVIE_SIGNATURE "Interplay MVE File\x1A\0" +#define IPMOVIE_SIGNATURE_SIZE 20 +#define CHUNK_PREAMBLE_SIZE 4 +#define OPCODE_PREAMBLE_SIZE 4 + +#define CHUNK_INIT_AUDIO 0x0000 +#define CHUNK_AUDIO_ONLY 0x0001 +#define CHUNK_INIT_VIDEO 0x0002 +#define CHUNK_VIDEO 0x0003 +#define CHUNK_SHUTDOWN 0x0004 +#define CHUNK_END 0x0005 +/* this last type is used internally */ +#define CHUNK_BAD 0xFFFF + +#define OPCODE_END_OF_STREAM 0x00 +#define OPCODE_END_OF_CHUNK 0x01 +#define OPCODE_CREATE_TIMER 0x02 +#define OPCODE_INIT_AUDIO_BUFFERS 0x03 +#define OPCODE_START_STOP_AUDIO 0x04 +#define OPCODE_INIT_VIDEO_BUFFERS 0x05 +#define OPCODE_UNKNOWN_06 0x06 +#define OPCODE_SEND_BUFFER 0x07 +#define OPCODE_AUDIO_FRAME 0x08 +#define OPCODE_SILENCE_FRAME 0x09 +#define OPCODE_INIT_VIDEO_MODE 0x0A +#define OPCODE_CREATE_GRADIENT 0x0B +#define OPCODE_SET_PALETTE 0x0C +#define OPCODE_SET_PALETTE_COMPRESSED 0x0D +#define OPCODE_UNKNOWN_0E 0x0E +#define OPCODE_SET_DECODING_MAP 0x0F +#define OPCODE_UNKNOWN_10 0x10 +#define OPCODE_VIDEO_DATA 0x11 +#define OPCODE_UNKNOWN_12 0x12 +#define OPCODE_UNKNOWN_13 0x13 +#define OPCODE_UNKNOWN_14 0x14 +#define OPCODE_UNKNOWN_15 0x15 + +#define PALETTE_COUNT 256 + +typedef struct { + + demux_plugin_t demux_plugin; + + xine_stream_t *stream; + + config_values_t *config; + + fifo_buffer_t *video_fifo; + fifo_buffer_t *audio_fifo; + + input_plugin_t *input; + + pthread_t thread; + int thread_running; + pthread_mutex_t mutex; + int send_end_buffers; + + off_t data_start; + off_t data_size; + int status; + + unsigned int fps; + unsigned int frame_pts_inc; + + unsigned int video_width; + unsigned int video_height; + int64_t video_pts; + unsigned int audio_bits; + unsigned int audio_channels; + unsigned int audio_sample_rate; + unsigned int audio_type; + unsigned int audio_frame_count; + + palette_entry_t palette[PALETTE_COUNT]; + + char last_mrl[1024]; + +} demux_ipmovie_t; + +typedef struct { + + demux_class_t demux_class; + + /* class-wide, global variables here */ + + xine_t *xine; + config_values_t *config; +} demux_ipmovie_class_t; + +/* This function loads and processes a single chunk in an IP movie file. + * It returns the type of chunk that was processed. */ +static int process_ipmovie_chunk(demux_ipmovie_t *this) { + + unsigned char chunk_preamble[CHUNK_PREAMBLE_SIZE]; + int chunk_type; + int chunk_size; + unsigned char opcode_preamble[OPCODE_PREAMBLE_SIZE]; + unsigned char opcode_type; + unsigned char opcode_version; + int opcode_size; + unsigned char scratch[1024]; + int i, j; + int first_color, last_color; + int audio_flags; + buf_element_t *buf = NULL; + off_t current_file_pos; + int64_t audio_pts = 0; + + /* read the next chunk, wherever the file happens to be pointing */ + if (this->input->read(this->input, chunk_preamble, CHUNK_PREAMBLE_SIZE) != + CHUNK_PREAMBLE_SIZE) + return CHUNK_BAD; + chunk_size = LE_16(&chunk_preamble[0]); + chunk_type = LE_16(&chunk_preamble[2]); + + debug_ipmovie ("ipmovie: chunk type 0x%04X, 0x%04X bytes: ", + chunk_type, chunk_size); + + switch (chunk_type) { + + case CHUNK_INIT_AUDIO: + debug_ipmovie ("initialize audio\n"); + break; + + case CHUNK_AUDIO_ONLY: + debug_ipmovie ("audio only\n"); + break; + + case CHUNK_INIT_VIDEO: + debug_ipmovie ("initialize video\n"); + break; + + case CHUNK_VIDEO: + debug_ipmovie ("video (and audio)\n"); + break; + + case CHUNK_SHUTDOWN: + debug_ipmovie ("shutdown\n"); + break; + + case CHUNK_END: + debug_ipmovie ("end\n"); + break; + + default: + debug_ipmovie ("invalid chunk\n"); + chunk_type = CHUNK_BAD; + break; + + } + + while ((chunk_size > 0) && (chunk_type != CHUNK_BAD)) { + + /* read the next chunk, wherever the file happens to be pointing */ + if (this->input->read(this->input, opcode_preamble, + OPCODE_PREAMBLE_SIZE) != OPCODE_PREAMBLE_SIZE) { + chunk_type = CHUNK_BAD; + break; + } + + opcode_size = LE_16(&opcode_preamble[0]); + opcode_type = opcode_preamble[2]; + opcode_version = opcode_preamble[3]; + + chunk_size -= OPCODE_PREAMBLE_SIZE; + chunk_size -= opcode_size; + if (chunk_size < 0) { + printf ("demux_ipmovie: chunk_size countdown just went negative\n"); + chunk_type = CHUNK_BAD; + break; + } + debug_ipmovie (" opcode type %02X, version %d, 0x%04X bytes: ", + opcode_type, opcode_version, opcode_size); + switch (opcode_type) { + + case OPCODE_END_OF_STREAM: + debug_ipmovie ("end of stream\n"); + this->input->seek(this->input, opcode_size, SEEK_CUR); + break; + + case OPCODE_END_OF_CHUNK: + debug_ipmovie ("end of chunk\n"); + this->input->seek(this->input, opcode_size, SEEK_CUR); + break; + + case OPCODE_CREATE_TIMER: + debug_ipmovie ("create timer\n"); + if ((opcode_version > 0) || (opcode_size > 6)) { + printf ("demux_ipmovie: bad create_timer opcode\n"); + chunk_type = CHUNK_BAD; + break; + } + if (this->input->read(this->input, scratch, opcode_size) != + opcode_size) { + chunk_type = CHUNK_BAD; + break; + } + this->fps = 1000000 / (LE_32(&scratch[0]) * LE_16(&scratch[4])); +this->fps++; /* above calculation usually yields 14.9; we need 15 */ + this->frame_pts_inc = 90000 / this->fps; + debug_ipmovie (" %d frames/second (timer div = %d, subdiv = %d)\n", + this->fps, LE_32(&scratch[0]), LE_16(&scratch[4])); + break; + + case OPCODE_INIT_AUDIO_BUFFERS: + debug_ipmovie ("initialize audio buffers\n"); + if ((opcode_version > 1) || (opcode_size > 10)) { + printf ("demux_ipmovie: bad init_audio_buffers opcode\n"); + chunk_type = CHUNK_BAD; + break; + } + if (this->input->read(this->input, scratch, opcode_size) != + opcode_size) { + chunk_type = CHUNK_BAD; + break; + } + this->audio_sample_rate = LE_16(&scratch[4]); + audio_flags = LE_16(&scratch[2]); + /* bit 0 of the flags: 0 = mono, 1 = stereo */ + this->audio_channels = (audio_flags & 1) + 1; + /* bit 1 of the flags: 0 = 8 bit, 1 = 16 bit */ + this->audio_bits = (((audio_flags >> 1) & 1) + 1) * 8; + /* bit 2 indicates compressed audio in version 1 opcode */ + if ((opcode_version == 1) && (audio_flags & 0x4)) + this->audio_type = BUF_AUDIO_INTERPLAY; + else + this->audio_type = BUF_AUDIO_LPCM_LE; + debug_ipmovie (" audio: %d bits, %d Hz, %s, %s format\n", + this->audio_bits, + this->audio_sample_rate, + (this->audio_channels == 2) ? "stereo" : "mono", + (this->audio_type == BUF_AUDIO_LPCM_LE) ? "PCM" : "Interplay audio"); + break; + + case OPCODE_START_STOP_AUDIO: + debug_ipmovie ("start/stop audio\n"); + this->input->seek(this->input, opcode_size, SEEK_CUR); + break; + + case OPCODE_INIT_VIDEO_BUFFERS: + debug_ipmovie ("initialize video buffers\n"); + if ((opcode_version > 2) || (opcode_size > 8)) { + printf ("demux_ipmovie: bad init_video_buffers opcode\n"); + chunk_type = CHUNK_BAD; + break; + } + if (this->input->read(this->input, scratch, opcode_size) != + opcode_size) { + chunk_type = CHUNK_BAD; + break; + } + this->video_width = LE_16(&scratch[0]) * 8; + this->video_height = LE_16(&scratch[2]) * 8; + debug_ipmovie (" video resolution: %d x %d\n", + this->video_width, this->video_height); + break; + + case OPCODE_UNKNOWN_06: + case OPCODE_UNKNOWN_0E: + case OPCODE_UNKNOWN_10: + case OPCODE_UNKNOWN_12: + case OPCODE_UNKNOWN_13: + case OPCODE_UNKNOWN_14: + case OPCODE_UNKNOWN_15: + debug_ipmovie ("unknown (but documented) opcode %02X\n", opcode_type); + this->input->seek(this->input, opcode_size, SEEK_CUR); + break; + + case OPCODE_SEND_BUFFER: + debug_ipmovie ("send buffer\n"); + this->input->seek(this->input, opcode_size, SEEK_CUR); + break; + + case OPCODE_AUDIO_FRAME: + debug_ipmovie ("audio frame\n"); + + current_file_pos = this->input->get_current_pos(this->input); + + /* figure out the number of audio frames */ + if (this->audio_type == BUF_AUDIO_LPCM_LE) + this->audio_frame_count += + (opcode_size / this->audio_channels / (this->audio_bits / 8)); + else + this->audio_frame_count += + (opcode_size - 6) / this->audio_channels; + audio_pts = 90000; + audio_pts *= this->audio_frame_count; + audio_pts /= this->audio_sample_rate; + + debug_ipmovie (" sending audio frame with pts %lld (%d audio frames)\n", + audio_pts, this->audio_frame_count); + + while (opcode_size) { + buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo); + buf->type = this->audio_type; + buf->extra_info->input_pos = current_file_pos; + buf->extra_info->input_length = this->data_size; + buf->extra_info->input_time = audio_pts / 90000; + buf->pts = audio_pts; + + if (opcode_size > buf->max_size) + buf->size = buf->max_size; + else + buf->size = opcode_size; + opcode_size -= buf->size; + + if (this->input->read(this->input, buf->content, buf->size) != + buf->size) { + buf->free_buffer(buf); + chunk_type = CHUNK_BAD; + break; + } + + if (!opcode_size) + buf->decoder_flags |= BUF_FLAG_FRAME_END; + + this->audio_fifo->put (this->audio_fifo, buf); + } + break; + + case OPCODE_SILENCE_FRAME: + debug_ipmovie ("silence frame\n"); + this->input->seek(this->input, opcode_size, SEEK_CUR); + break; + + case OPCODE_INIT_VIDEO_MODE: + debug_ipmovie ("initialize video mode\n"); + this->input->seek(this->input, opcode_size, SEEK_CUR); + break; + + case OPCODE_CREATE_GRADIENT: + debug_ipmovie ("create gradient\n"); + this->input->seek(this->input, opcode_size, SEEK_CUR); + break; + + case OPCODE_SET_PALETTE: + debug_ipmovie ("set palette\n"); + /* check for the logical maximum palette size + * (3 * 256 + 4 bytes) */ + if (opcode_size > 0x304) { + printf ("demux_ipmovie: set_palette opcode too large\n"); + chunk_type = CHUNK_BAD; + break; + } + if (this->input->read(this->input, scratch, opcode_size) != + opcode_size) { + chunk_type = CHUNK_BAD; + break; + } + + /* load the palette into internal data structure */ + first_color = LE_16(&scratch[0]); + last_color = LE_16(&scratch[2]); + /* sanity check (since they are 16 bit values) */ + if ((first_color > 0xFF) || (last_color > 0xFF)) { + printf ("demux_ipmovie: set_palette indices out of range (%d -> %d)\n", + first_color, last_color); + chunk_type = CHUNK_BAD; + break; + } + j = 4; /* offset of first palette data */ + for (i = first_color; i <= last_color; i++) { + this->palette[i].r = scratch[j++]; + this->palette[i].g = scratch[j++]; + this->palette[i].b = scratch[j++]; + } + break; + + case OPCODE_SET_PALETTE_COMPRESSED: + debug_ipmovie ("set palette compressed\n"); + this->input->seek(this->input, opcode_size, SEEK_CUR); + break; + + case OPCODE_SET_DECODING_MAP: + debug_ipmovie ("set decoding map\n"); + + current_file_pos = this->input->get_current_pos(this->input); + debug_ipmovie (" sending decoding map along with duration %d\n", + this->frame_pts_inc); + + while (opcode_size) { + buf = this->video_fifo->buffer_pool_alloc (this->video_fifo); + buf->type = BUF_VIDEO_INTERPLAY; + buf->extra_info->input_pos = current_file_pos; + buf->extra_info->input_length = this->data_size; + buf->extra_info->input_time = this->video_pts / 90000; + buf->pts = this->video_pts; + + if (opcode_size > buf->max_size) + buf->size = buf->max_size; + else + buf->size = opcode_size; + opcode_size -= buf->size; + + if (this->input->read(this->input, buf->content, buf->size) != + buf->size) { + buf->free_buffer(buf); + this->status = DEMUX_FINISHED; + break; + } + + if (!opcode_size) + buf->decoder_flags |= BUF_FLAG_FRAME_END; + + /* send the duration since it was not known when headers were sent */ + buf->decoder_flags |= BUF_FLAG_FRAMERATE; + buf->decoder_info[0] = this->frame_pts_inc; + + this->video_fifo->put (this->video_fifo, buf); + } + + break; + + case OPCODE_VIDEO_DATA: + debug_ipmovie ("set video data\n"); + + current_file_pos = this->input->get_current_pos(this->input); + debug_ipmovie (" sending video data with pts %lld\n", + this->video_pts); + + while (opcode_size) { + buf = this->video_fifo->buffer_pool_alloc (this->video_fifo); + buf->type = BUF_VIDEO_INTERPLAY; + buf->extra_info->input_pos = current_file_pos; + buf->extra_info->input_length = this->data_size; + buf->extra_info->input_time = this->video_pts / 90000; + buf->pts = this->video_pts; + + if (opcode_size > buf->max_size) + buf->size = buf->max_size; + else + buf->size = opcode_size; + opcode_size -= buf->size; + + if (this->input->read(this->input, buf->content, buf->size) != + buf->size) { + buf->free_buffer(buf); + this->status = DEMUX_FINISHED; + break; + } + + if (!opcode_size) + buf->decoder_flags |= BUF_FLAG_FRAME_END; + + /* Abuse the keyframe flag: Since a video chunk consists of 2 + * distinct parts (the decode map, then the video data), and since + * the format has no real notion of keyframes or seeking, use the + * keyframe flag to indicate that this is the video portion of + * the frame. */ + buf->decoder_flags |= BUF_FLAG_KEYFRAME; + + this->video_fifo->put (this->video_fifo, buf); + } + + this->video_pts += this->frame_pts_inc; + break; + + default: + debug_ipmovie (" *** unknown opcode type\n"); + chunk_type = CHUNK_BAD; + break; + + } + + } + + return chunk_type; +} + +/* returns 1 if the MVE file was opened successfully, 0 otherwise */ +static int open_ipmovie_file(demux_ipmovie_t *this) { + + unsigned char signature[IPMOVIE_SIGNATURE_SIZE]; + + this->audio_type = 0; + + this->input->seek(this->input, 0, SEEK_SET); + if (this->input->read(this->input, signature, IPMOVIE_SIGNATURE_SIZE) != + IPMOVIE_SIGNATURE_SIZE) + return 0; + + if (strncmp(signature, IPMOVIE_SIGNATURE, IPMOVIE_SIGNATURE_SIZE) != 0) + return 0; + + /* skip the 6 unknown bytes */ + this->input->seek(this->input, 6, SEEK_CUR); + + /* process the first chunk which should be CHUNK_INIT_VIDEO */ + if (process_ipmovie_chunk(this) != CHUNK_INIT_VIDEO) + return 0; + + /* process the next chunk which should be CHUNK_INIT_AUDIO */ + if (process_ipmovie_chunk(this) != CHUNK_INIT_AUDIO) + return 0; + + debug_ipmovie ("detected Interplay MVE file\n"); + this->data_size = this->input->get_length(this->input); + this->audio_frame_count = 0; + this->video_pts = 0; + + return 1; +} + +static int demux_ipmovie_send_chunk(demux_plugin_t *this_gen) { + + demux_ipmovie_t *this = (demux_ipmovie_t *) this_gen; + + if (process_ipmovie_chunk(this) == CHUNK_BAD) + this->status = DEMUX_FINISHED; + + return this->status; +} + +static void demux_ipmovie_send_headers(demux_plugin_t *this_gen) { + + demux_ipmovie_t *this = (demux_ipmovie_t *) this_gen; + buf_element_t *buf; + + this->video_fifo = this->stream->video_fifo; + this->audio_fifo = this->stream->audio_fifo; + + this->status = DEMUX_OK; + + /* load stream information */ + this->stream->stream_info[XINE_STREAM_INFO_HAS_VIDEO] = 1; + this->stream->stream_info[XINE_STREAM_INFO_HAS_AUDIO] = 0; + this->stream->stream_info[XINE_STREAM_INFO_VIDEO_WIDTH] = this->video_width; + this->stream->stream_info[XINE_STREAM_INFO_VIDEO_HEIGHT] = this->video_height; + + /* send start buffers */ + xine_demux_control_start(this->stream); + + /* send init info to video decoder */ + buf = this->video_fifo->buffer_pool_alloc (this->video_fifo); + buf->decoder_flags = BUF_FLAG_HEADER; + buf->decoder_info[0] = 0; + /* bogus initial video_step, but we won't know for sure until we see + * the first video frame; however, fps for these files is usually 15 */ + buf->decoder_info[1] = 6000; + /* really be a rebel: No structure at all, just put the video width + * and height straight into the buffer, BE_16 format */ + buf->content[0] = (this->video_width >> 8) & 0xFF; + buf->content[1] = (this->video_width >> 0) & 0xFF; + buf->content[2] = (this->video_height >> 8) & 0xFF; + buf->content[3] = (this->video_height >> 0) & 0xFF; + buf->size = 4; + buf->type = BUF_VIDEO_INTERPLAY; + this->video_fifo->put (this->video_fifo, buf); + + /* send off the palette */ + buf = this->video_fifo->buffer_pool_alloc (this->video_fifo); + buf->decoder_flags = BUF_FLAG_SPECIAL; + buf->decoder_info[1] = BUF_SPECIAL_PALETTE; + buf->decoder_info[2] = 256; + buf->decoder_info_ptr[2] = &this->palette; + buf->size = 0; + buf->type = BUF_VIDEO_INTERPLAY; + this->video_fifo->put (this->video_fifo, buf); + + /* send init info to the audio decoder */ + if ((this->audio_fifo) && (this->audio_type)) { + buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo); + buf->type = this->audio_type; + buf->decoder_flags = BUF_FLAG_HEADER; + buf->decoder_info[0] = 0; + buf->decoder_info[1] = this->audio_sample_rate; + buf->decoder_info[2] = this->audio_bits; + buf->decoder_info[3] = this->audio_channels; + buf->size = 0; + this->audio_fifo->put (this->audio_fifo, buf); + } +} + +static int demux_ipmovie_seek (demux_plugin_t *this_gen, + off_t start_pos, int start_time) { + + demux_ipmovie_t *this = (demux_ipmovie_t *) this_gen; + + /* if thread is not running, initialize demuxer */ + if( !this->stream->demux_thread_running ) { + + /* send new pts */ + xine_demux_control_newpts(this->stream, 0, 0); + + this->status = DEMUX_OK; + + /* make sure to start just after the header and 6 unknown bytes */ + this->input->seek(this->input, IPMOVIE_SIGNATURE_SIZE + 6, SEEK_SET); + } + + return this->status; +} + +static void demux_ipmovie_dispose (demux_plugin_t *this) { + + free(this); +} + +static int demux_ipmovie_get_status (demux_plugin_t *this_gen) { + demux_ipmovie_t *this = (demux_ipmovie_t *) this_gen; + + return this->status; +} + +static int demux_ipmovie_get_stream_length (demux_plugin_t *this_gen) { + + return 0; +} + +static uint32_t demux_ipmovie_get_capabilities(demux_plugin_t *this_gen) { + return DEMUX_CAP_NOCAP; +} + +static int demux_ipmovie_get_optional_data(demux_plugin_t *this_gen, + void *data, int data_type) { + return DEMUX_OPTIONAL_UNSUPPORTED; +} + +static demux_plugin_t *open_plugin (demux_class_t *class_gen, xine_stream_t *stream, + input_plugin_t *input_gen) { + + input_plugin_t *input = (input_plugin_t *) input_gen; + demux_ipmovie_t *this; + + if (! (input->get_capabilities(input) & INPUT_CAP_SEEKABLE)) { + printf(_("demux_ipmovie.c: input not seekable, can not handle!\n")); + return NULL; + } + + this = xine_xmalloc (sizeof (demux_ipmovie_t)); + this->stream = stream; + this->input = input; + + this->demux_plugin.send_headers = demux_ipmovie_send_headers; + this->demux_plugin.send_chunk = demux_ipmovie_send_chunk; + this->demux_plugin.seek = demux_ipmovie_seek; + this->demux_plugin.dispose = demux_ipmovie_dispose; + this->demux_plugin.get_status = demux_ipmovie_get_status; + this->demux_plugin.get_stream_length = demux_ipmovie_get_stream_length; + this->demux_plugin.get_video_frame = NULL; + this->demux_plugin.got_video_frame_cb= NULL; + this->demux_plugin.get_capabilities = demux_ipmovie_get_capabilities; + this->demux_plugin.get_optional_data = demux_ipmovie_get_optional_data; + this->demux_plugin.demux_class = class_gen; + + this->status = DEMUX_FINISHED; + + switch (stream->content_detection_method) { + + case METHOD_BY_CONTENT: + case METHOD_EXPLICIT: + + if (!open_ipmovie_file(this)) { + free (this); + return NULL; + } + + break; + + case METHOD_BY_EXTENSION: { + char *ending, *mrl; + + mrl = input->get_mrl (input); + + ending = strrchr(mrl, '.'); + + if (!ending) { + free (this); + return NULL; + } + + if ((strncasecmp (ending, ".mve", 4)) && + (strncasecmp (ending, ".mv8", 4))) { + free (this); + return NULL; + } + + if (!open_ipmovie_file(this)) { + free (this); + return NULL; + } + + } + + break; + + default: + free (this); + return NULL; + } + + strncpy (this->last_mrl, input->get_mrl (input), 1024); + + return &this->demux_plugin; +} + +static char *get_description (demux_class_t *this_gen) { + return "Interplay MVE Movie demux plugin"; +} + +static char *get_identifier (demux_class_t *this_gen) { + return "Interplay MVE"; +} + +static char *get_extensions (demux_class_t *this_gen) { + return "mve mv8"; +} + +static char *get_mimetypes (demux_class_t *this_gen) { + return NULL; +} + +static void class_dispose (demux_class_t *this_gen) { + + demux_ipmovie_class_t *this = (demux_ipmovie_class_t *) this_gen; + + free (this); +} + +static void *init_plugin (xine_t *xine, void *data) { + + demux_ipmovie_class_t *this; + + this = xine_xmalloc (sizeof (demux_ipmovie_class_t)); + this->config = xine->config; + this->xine = xine; + + this->demux_class.open_plugin = open_plugin; + this->demux_class.get_description = get_description; + this->demux_class.get_identifier = get_identifier; + this->demux_class.get_mimetypes = get_mimetypes; + this->demux_class.get_extensions = get_extensions; + this->demux_class.dispose = class_dispose; + + return this; +} + +/* + * exported plugin catalog entry + */ + +plugin_info_t xine_plugin_info[] = { + /* type, API, "name", version, special_info, init_function */ + { PLUGIN_DEMUX, 19, "ipmovie", XINE_VERSION_CODE, NULL, init_plugin }, + { PLUGIN_NONE, 0, "", 0, NULL, NULL } +}; + |