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![Michael Niedermayer](/assets/img/avatar_default.png)
* commit 'e6153f173a49e5bfa70b0c04d2f82930533597b9': avopt: Store defaults for AV_OPT_TYPE_INT in the i64 union member Conflicts: libavcodec/libopenjpegdec.c libavcodec/libopenjpegenc.c libavcodec/libx264.c libavcodec/mpeg12enc.c libavcodec/options_table.h libavcodec/snowenc.c libavcodec/tiffenc.c libavdevice/v4l2.c libavdevice/x11grab.c libavfilter/af_amix.c libavfilter/af_asyncts.c libavfilter/af_join.c libavfilter/buffersrc.c libavfilter/src_movie.c libavfilter/vf_delogo.c libavfilter/vf_drawtext.c libavformat/http.c libavformat/img2dec.c libavformat/img2enc.c libavformat/movenc.c libavformat/mpegenc.c libavformat/mpegtsenc.c libavformat/options_table.h libavformat/segment.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
236 lines
6.6 KiB
C
236 lines
6.6 KiB
C
/*
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* BluRay (libbluray) protocol
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*
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* Copyright (c) 2012 Petri Hintukainen <phintuka <at> users.sourceforge.net>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <libbluray/bluray.h>
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#include "libavutil/avstring.h"
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#include "libavformat/avformat.h"
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#include "libavformat/url.h"
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#include "libavutil/opt.h"
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#define BLURAY_PROTO_PREFIX "bluray:"
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#define MIN_PLAYLIST_LENGTH 180 /* 3 min */
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typedef struct {
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const AVClass *class;
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BLURAY *bd;
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int playlist;
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int angle;
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int chapter;
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/*int region;*/
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} BlurayContext;
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#define OFFSET(x) offsetof(BlurayContext, x)
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static const AVOption options[] = {
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{"playlist", "", OFFSET(playlist), AV_OPT_TYPE_INT, { .i64=-1 }, -1, 99999, AV_OPT_FLAG_DECODING_PARAM },
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{"angle", "", OFFSET(angle), AV_OPT_TYPE_INT, { .i64=0 }, 0, 0xfe, AV_OPT_FLAG_DECODING_PARAM },
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{"chapter", "", OFFSET(chapter), AV_OPT_TYPE_INT, { .i64=1 }, 1, 0xfffe, AV_OPT_FLAG_DECODING_PARAM },
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/*{"region", "bluray player region code (1 = region A, 2 = region B, 4 = region C)", OFFSET(region), AV_OPT_TYPE_INT, { .i64=0 }, 0, 3, AV_OPT_FLAG_DECODING_PARAM },*/
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{NULL}
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};
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static const AVClass bluray_context_class = {
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.class_name = "bluray",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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static int check_disc_info(URLContext *h)
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{
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BlurayContext *bd = h->priv_data;
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const BLURAY_DISC_INFO *disc_info;
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disc_info = bd_get_disc_info(bd->bd);
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if (!disc_info) {
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av_log(h, AV_LOG_ERROR, "bd_get_disc_info() failed\n");
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return -1;
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}
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if (!disc_info->bluray_detected) {
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av_log(h, AV_LOG_ERROR, "BluRay disc not detected\n");
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return -1;
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}
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/* AACS */
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if (disc_info->aacs_detected && !disc_info->aacs_handled) {
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if (!disc_info->libaacs_detected) {
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av_log(h, AV_LOG_ERROR,
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"Media stream encrypted with AACS, install and configure libaacs\n");
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} else {
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av_log(h, AV_LOG_ERROR, "Your libaacs can't decrypt this media\n");
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}
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return -1;
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}
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/* BD+ */
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if (disc_info->bdplus_detected && !disc_info->bdplus_handled) {
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/*
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if (!disc_info->libbdplus_detected) {
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av_log(h, AV_LOG_ERROR,
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"Media stream encrypted with BD+, install and configure libbdplus");
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} else {
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*/
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av_log(h, AV_LOG_ERROR, "Unable to decrypt BD+ encrypted media\n");
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/*}*/
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return -1;
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}
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return 0;
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}
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static int bluray_close(URLContext *h)
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{
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BlurayContext *bd = h->priv_data;
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if (bd->bd) {
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bd_close(bd->bd);
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}
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return 0;
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}
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static int bluray_open(URLContext *h, const char *path, int flags)
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{
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BlurayContext *bd = h->priv_data;
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int num_title_idx;
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const char *diskname = path;
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av_strstart(path, BLURAY_PROTO_PREFIX, &diskname);
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bd->bd = bd_open(diskname, NULL);
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if (!bd->bd) {
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av_log(h, AV_LOG_ERROR, "bd_open() failed\n");
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return AVERROR(EIO);
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}
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/* check if disc can be played */
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if (check_disc_info(h) < 0) {
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return AVERROR(EIO);
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}
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/* setup player registers */
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/* region code has no effect without menus
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if (bd->region > 0 && bd->region < 5) {
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av_log(h, AV_LOG_INFO, "setting region code to %d (%c)\n", bd->region, 'A' + (bd->region - 1));
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bd_set_player_setting(bd->bd, BLURAY_PLAYER_SETTING_REGION_CODE, bd->region);
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}
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*/
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/* load title list */
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num_title_idx = bd_get_titles(bd->bd, TITLES_RELEVANT, MIN_PLAYLIST_LENGTH);
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av_log(h, AV_LOG_INFO, "%d usable playlists:\n", num_title_idx);
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if (num_title_idx < 1) {
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return AVERROR(EIO);
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}
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/* if playlist was not given, select longest playlist */
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if (bd->playlist < 0) {
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uint64_t duration = 0;
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int i;
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for (i = 0; i < num_title_idx; i++) {
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BLURAY_TITLE_INFO *info = bd_get_title_info(bd->bd, i, 0);
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av_log(h, AV_LOG_INFO, "playlist %05d.mpls (%d:%02d:%02d)\n",
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info->playlist,
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((int)(info->duration / 90000) / 3600),
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((int)(info->duration / 90000) % 3600) / 60,
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((int)(info->duration / 90000) % 60));
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if (info->duration > duration) {
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bd->playlist = info->playlist;
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duration = info->duration;
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}
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bd_free_title_info(info);
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}
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av_log(h, AV_LOG_INFO, "selected %05d.mpls\n", bd->playlist);
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}
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/* select playlist */
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if (bd_select_playlist(bd->bd, bd->playlist) <= 0) {
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av_log(h, AV_LOG_ERROR, "bd_select_playlist(%05d.mpls) failed\n", bd->playlist);
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return AVERROR(EIO);
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}
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/* select angle */
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if (bd->angle >= 0) {
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bd_select_angle(bd->bd, bd->angle);
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}
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/* select chapter */
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if (bd->chapter > 1) {
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bd_seek_chapter(bd->bd, bd->chapter - 1);
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}
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return 0;
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}
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static int bluray_read(URLContext *h, unsigned char *buf, int size)
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{
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BlurayContext *bd = h->priv_data;
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int len;
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if (!bd || !bd->bd) {
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return AVERROR(EFAULT);
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}
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len = bd_read(bd->bd, buf, size);
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return len;
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}
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static int64_t bluray_seek(URLContext *h, int64_t pos, int whence)
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{
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BlurayContext *bd = h->priv_data;
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if (!bd || !bd->bd) {
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return AVERROR(EFAULT);
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}
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switch (whence) {
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case SEEK_SET:
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case SEEK_CUR:
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case SEEK_END:
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return bd_seek(bd->bd, pos);
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case AVSEEK_SIZE:
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return bd_get_title_size(bd->bd);
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}
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av_log(h, AV_LOG_ERROR, "Unsupported whence operation %d\n", whence);
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return AVERROR(EINVAL);
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}
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URLProtocol ff_bluray_protocol = {
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.name = "bluray",
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.url_close = bluray_close,
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.url_open = bluray_open,
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.url_read = bluray_read,
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.url_seek = bluray_seek,
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.priv_data_size = sizeof(BlurayContext),
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.priv_data_class = &bluray_context_class,
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};
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