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stream_bluray: add unencrypted Blu-ray playback
Support for unencrypted Blu-ray playback through libbluray. Use it through: mplayer br:////path/to/disc git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31631 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
ben
236
stream/stream_bluray.c
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236
stream/stream_bluray.c
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/*
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* Copyright (C) 2010 Benjamin Zores <ben@geexbox.org>
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* Blu-ray parser/reader using libbluray
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* Use 'git clone git://git.videolan.org/libbluray' to get it.
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*
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* TODO:
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* - Add libbdnav support for menus navigation
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* - Add AACS/BD+ protection detection
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* - Add descrambled keys database support (KEYDB.cfg)
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*
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*/
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#include <libbluray/bluray.h>
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#include "config.h"
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#include "libavutil/common.h"
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#include "libmpdemux/demuxer.h"
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#include "mp_msg.h"
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#include "m_struct.h"
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#include "m_option.h"
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#include "stream.h"
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#define BLURAY_SECTOR_SIZE 6144
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#define BLURAY_DEFAULT_ANGLE 0
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#define BLURAY_DEFAULT_CHAPTER 0
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#define BLURAY_DEFAULT_TITLE 0
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char *bluray_device = NULL;
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int bluray_angle = 0;
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int bluray_chapter = 0;
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static struct stream_priv_s {
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int title;
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char *device;
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} bluray_stream_priv_dflts = {
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BLURAY_DEFAULT_TITLE,
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NULL
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};
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#define ST_OFF(f) M_ST_OFF(struct stream_priv_s,f)
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static const m_option_t bluray_stream_opts_fields[] = {
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{ "hostname", ST_OFF(title), CONF_TYPE_INT, M_OPT_RANGE, 0, 99999, NULL},
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{ "filename", ST_OFF(device), CONF_TYPE_STRING, 0, 0 ,0, NULL},
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{ NULL, NULL, 0, 0, 0, 0, NULL }
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};
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static const struct m_struct_st bluray_stream_opts = {
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"bluray",
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sizeof(struct stream_priv_s),
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&bluray_stream_priv_dflts,
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bluray_stream_opts_fields
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};
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static void bluray_stream_close(stream_t *s)
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{
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bd_close(s->priv);
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s->priv = NULL;
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}
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static int bluray_stream_seek(stream_t *s, off_t pos)
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{
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off_t p;
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p = bd_seek(s->priv, pos);
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if (p == -1)
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return 0;
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s->pos = p;
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return 1;
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}
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static int bluray_stream_fill_buffer(stream_t *s, char *buf, int len)
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{
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return bd_read(s->priv, buf, len);
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}
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static int bluray_stream_open(stream_t *s, int mode,
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void *opts, int *file_format)
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{
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struct stream_priv_s *p = opts;
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BLURAY_TITLE_INFO *info = NULL;
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BLURAY *bd;
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int title, title_guess, title_count;
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uint64_t title_size;
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unsigned int chapter, angle;
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uint64_t max_duration = 0;
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int64_t chapter_pos = 0;
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char *device = NULL;
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int i;
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/* find the requested device */
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if (p->device)
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device = p->device;
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else if (bluray_device)
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device = bluray_device;
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if (!device) {
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mp_tmsg(MSGT_OPEN, MSGL_ERR,
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"No Blu-ray device/location was specified ...\n");
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return STREAM_UNSUPPORTED;
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}
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/* open device */
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bd = bd_open(device, NULL);
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if (!bd) {
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mp_tmsg(MSGT_OPEN, MSGL_ERR, "Couldn't open Blu-ray device: %s\n",
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device);
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return STREAM_UNSUPPORTED;
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}
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/* check for available titles on disc */
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title_count = bd_get_titles(bd, TITLES_RELEVANT);
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mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_BLURAY_TITLES=%d\n", title_count);
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if (!title_count) {
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mp_msg(MSGT_OPEN, MSGL_ERR,
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"Can't find any Blu-ray-compatible title here.\n");
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bd_close(bd);
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return STREAM_UNSUPPORTED;
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}
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/* parse titles information */
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title_guess = BLURAY_DEFAULT_TITLE;
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for (i = 0; i < title_count; i++) {
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BLURAY_TITLE_INFO *ti;
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int sec, msec;
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ti = bd_get_title_info(bd, i);
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if (!ti)
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continue;
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sec = ti->duration / 90000;
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msec = (ti->duration - sec) % 1000;
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mp_msg(MSGT_IDENTIFY, MSGL_INFO,
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"ID_BLURAY_TITLE_%d_CHAPTERS=%d\n", i + 1, ti->chapter_count);
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mp_msg(MSGT_IDENTIFY, MSGL_INFO,
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"ID_BLURAY_TITLE_%d_ANGLE=%d\n", i + 1, ti->angle_count);
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mp_msg(MSGT_IDENTIFY, MSGL_V,
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"ID_BLURAY_TITLE_%d_LENGTH=%d.%03d\n", i + 1, sec, msec);
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/* try to guess which title may contain the main movie */
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if (ti->duration > max_duration) {
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max_duration = ti->duration;
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title_guess = i;
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}
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bd_free_title_info(ti);
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}
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/* Select current title */
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title = p->title ? p->title - 1: title_guess;
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title = FFMIN(title, title_count - 1);
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bd_select_title(bd, title);
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title_size = bd_get_title_size(bd);
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mp_msg(MSGT_IDENTIFY, MSGL_INFO,
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"ID_BLURAY_CURRENT_TITLE=%d\n", title + 1);
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/* Get current title information */
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info = bd_get_title_info(bd, title);
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if (!info)
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goto err_no_info;
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/* Select chapter */
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chapter = bluray_chapter ? bluray_chapter : BLURAY_DEFAULT_CHAPTER;
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chapter = FFMIN(chapter, info->chapter_count);
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if (chapter)
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chapter_pos = bd_chapter_pos(bd, chapter);
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mp_msg(MSGT_IDENTIFY, MSGL_INFO,
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"ID_BLURAY_CURRENT_CHAPTER=%d\n", chapter + 1);
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/* Select angle */
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angle = bluray_angle ? bluray_angle : BLURAY_DEFAULT_ANGLE;
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angle = FFMIN(angle, info->angle_count);
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if (angle)
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bd_select_angle(bd, angle);
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mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_BLURAY_CURRENT_ANGLE=%d\n", angle + 1);
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bd_free_title_info(info);
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err_no_info:
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s->fill_buffer = bluray_stream_fill_buffer;
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s->seek = bluray_stream_seek;
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s->close = bluray_stream_close;
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s->start_pos = chapter_pos;
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s->end_pos = title_size;
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s->sector_size = BLURAY_SECTOR_SIZE;
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s->flags = mode | MP_STREAM_SEEK;
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s->priv = bd;
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s->type = STREAMTYPE_BLURAY;
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s->url = strdup("br://");
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mp_tmsg(MSGT_OPEN, MSGL_V, "Blu-ray successfully opened.\n");
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return STREAM_OK;
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}
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const stream_info_t stream_info_bluray = {
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"Blu-ray Disc",
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"bd",
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"Benjamin Zores",
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"Play Blu-ray discs through external libbluray",
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bluray_stream_open,
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{ "br", "bluray", NULL },
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&bluray_stream_opts,
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1
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};
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