[FFmpeg-cvslog] bluray protocol
Petri Hintukainen
git at videolan.org
Sat Mar 3 04:41:32 CET 2012
ffmpeg | branch: master | Petri Hintukainen <phintuka at users.sourceforge.net> | Sat Mar 3 04:25:48 2012 +0100| [23a5bf9db06d9f55fe0d38d49bdea91be1795ab3] | committer: Michael Niedermayer
bluray protocol
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=23a5bf9db06d9f55fe0d38d49bdea91be1795ab3
---
Changelog | 1 +
MAINTAINERS | 1 +
configure | 4 +
doc/protocols.texi | 30 ++++++
libavformat/Makefile | 1 +
libavformat/allformats.c | 1 +
libavformat/bluray.c | 235 ++++++++++++++++++++++++++++++++++++++++++++++
7 files changed, 273 insertions(+), 0 deletions(-)
diff --git a/Changelog b/Changelog
index 8741e24..9679f83 100644
--- a/Changelog
+++ b/Changelog
@@ -10,6 +10,7 @@ version next:
- Sun Rasterfile Encoder
- ID3v2 attached pictures reading and writing
- WMA Lossless decoder
+- bluray protocol
version 0.10:
diff --git a/MAINTAINERS b/MAINTAINERS
index 7a04209..845f2f5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -370,6 +370,7 @@ Muxers/Demuxers:
wv.c Kostya Shishkov
Protocols:
+ bluray.c Petri Hintukainen
http.c Ronald S. Bultje
mms*.c Ronald S. Bultje
udp.c Luca Abeni
diff --git a/configure b/configure
index 6324690..b92609a 100755
--- a/configure
+++ b/configure
@@ -171,6 +171,7 @@ External library support:
--enable-gnutls enable gnutls [no]
--enable-libaacplus enable AAC+ encoding via libaacplus [no]
--enable-libass enable libass subtitles rendering [no]
+ --enable-libbluray enable BluRay reading using libbluray [no]
--enable-libcelt enable CELT decoding via libcelt [no]
--enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
--enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
@@ -1029,6 +1030,7 @@ CONFIG_LIST="
huffman
libaacplus
libass
+ libbluray
libcdio
libcelt
libdc1394
@@ -1633,6 +1635,7 @@ x11_grab_device_indev_deps="x11grab XShmCreateImage"
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
# protocols
+bluray_protocol_deps="libbluray"
gopher_protocol_deps="network"
httpproxy_protocol_deps="network"
httpproxy_protocol_select="tcp_protocol"
@@ -3140,6 +3143,7 @@ enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not
enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
enabled libass && require_pkg_config libass ass/ass.h ass_library_init
+enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
{ check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
die "ERROR: libcelt version must be >= 0.11.0."; }
diff --git a/doc/protocols.texi b/doc/protocols.texi
index 13aae78..782e2b0 100644
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -19,6 +19,36 @@ supported protocols.
A description of the currently available protocols follows.
+ at section bluray
+
+Read BluRay playlist.
+
+The accepted options are:
+ at table @option
+
+ at item angle
+BluRay angle
+
+ at item chapter
+Start chapter (1...N)
+
+ at item playlist
+Playlist to read (BDMV/PLAYLIST/?????.mpls)
+
+ at end table
+
+Examples:
+
+Read longest playlist from BluRay mounted to /mnt/bluray:
+ at example
+bluray:/mnt/bluray
+ at end example
+
+Read angle 2 of playlist 4 from BluRay mounted to /mnt/bluray, start from chapter 2:
+ at example
+-playlist 4 -angle 2 -chapter 2 bluray:/mnt/bluray
+ at end example
+
@section concat
Physical concatenation protocol.
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 61bb112..5bf2fda 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -353,6 +353,7 @@ OBJS-$(CONFIG_LIBRTMP) += librtmp.o
OBJS+= avio.o aviobuf.o
OBJS-$(CONFIG_APPLEHTTP_PROTOCOL) += hlsproto.o
+OBJS-$(CONFIG_BLURAY_PROTOCOL) += bluray.o
OBJS-$(CONFIG_CACHE_PROTOCOL) += cache.o
OBJS-$(CONFIG_CONCAT_PROTOCOL) += concat.o
OBJS-$(CONFIG_CRYPTO_PROTOCOL) += crypto.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 7648f7f..614b341 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -260,6 +260,7 @@ void av_register_all(void)
#if FF_API_APPLEHTTP_PROTO
REGISTER_PROTOCOL (APPLEHTTP, applehttp);
#endif
+ REGISTER_PROTOCOL (BLURAY, bluray);
REGISTER_PROTOCOL (CACHE, cache);
REGISTER_PROTOCOL (CONCAT, concat);
REGISTER_PROTOCOL (CRYPTO, crypto);
diff --git a/libavformat/bluray.c b/libavformat/bluray.c
new file mode 100644
index 0000000..2f918b1
--- /dev/null
+++ b/libavformat/bluray.c
@@ -0,0 +1,235 @@
+/*
+ * BluRay (libbluray) protocol
+ *
+ * Copyright (c) 2012 Petri Hintukainen <phintuka <at> users.sourceforge.net>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <libbluray/bluray.h>
+
+#include "libavutil/avstring.h"
+#include "libavformat/avformat.h"
+#include "libavformat/url.h"
+#include "libavutil/opt.h"
+
+#define BLURAY_PROTO_PREFIX "bluray:"
+#define MIN_PLAYLIST_LENGTH 180 /* 3 min */
+
+typedef struct {
+ const AVClass *class;
+
+ BLURAY *bd;
+
+ int playlist;
+ int angle;
+ int chapter;
+ /*int region;*/
+} BlurayContext;
+
+#define OFFSET(x) offsetof(BlurayContext, x)
+static const AVOption options[] = {
+{"playlist", "", OFFSET(playlist), AV_OPT_TYPE_INT, { .dbl=-1 }, -1, 99999, AV_OPT_FLAG_DECODING_PARAM },
+{"angle", "", OFFSET(angle), AV_OPT_TYPE_INT, { .dbl=0 }, 0, 0xfe, AV_OPT_FLAG_DECODING_PARAM },
+{"chapter", "", OFFSET(chapter), AV_OPT_TYPE_INT, { .dbl=1 }, 1, 0xfffe, AV_OPT_FLAG_DECODING_PARAM },
+/*{"region", "bluray player region code (1 = region A, 2 = region B, 4 = region C)", OFFSET(region), AV_OPT_TYPE_INT, { .dbl=0 }, 0, 3, AV_OPT_FLAG_DECODING_PARAM },*/
+{NULL}
+};
+
+static const AVClass bluray_context_class = {
+ .class_name = "bluray",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+
+static int check_disc_info(URLContext *h)
+{
+ BlurayContext *bd = h->priv_data;
+ const BLURAY_DISC_INFO *disc_info;
+
+ disc_info = bd_get_disc_info(bd->bd);
+ if (!disc_info) {
+ av_log(h, AV_LOG_ERROR, "bd_get_disc_info() failed\n");
+ return -1;
+ }
+
+ if (!disc_info->bluray_detected) {
+ av_log(h, AV_LOG_ERROR, "BluRay disc not detected\n");
+ return -1;
+ }
+
+ /* AACS */
+ if (disc_info->aacs_detected && !disc_info->aacs_handled) {
+ if (!disc_info->libaacs_detected) {
+ av_log(h, AV_LOG_ERROR,
+ "Media stream encrypted with AACS, install and configure libaacs\n");
+ } else {
+ av_log(h, AV_LOG_ERROR, "Your libaacs can't decrypt this media\n");
+ }
+ return -1;
+ }
+
+ /* BD+ */
+ if (disc_info->bdplus_detected && !disc_info->bdplus_handled) {
+ /*
+ if (!disc_info->libbdplus_detected) {
+ av_log(h, AV_LOG_ERROR,
+ "Media stream encrypted with BD+, install and configure libbdplus");
+ } else {
+ */
+ av_log(h, AV_LOG_ERROR, "Unable to decrypt BD+ encrypted media");
+ /*}*/
+ return -1;
+ }
+
+ return 0;
+}
+
+static int bluray_close(URLContext *h)
+{
+ BlurayContext *bd = h->priv_data;
+ if (bd->bd) {
+ bd_close(bd->bd);
+ }
+
+ return 0;
+}
+
+static int bluray_open(URLContext *h, const char *path, int flags)
+{
+ BlurayContext *bd = h->priv_data;
+ int num_title_idx;
+ const char *diskname = path;
+
+ av_strstart(path, BLURAY_PROTO_PREFIX, &diskname);
+
+ bd->bd = bd_open(diskname, NULL);
+ if (!bd->bd) {
+ av_log(h, AV_LOG_ERROR, "bd_open() failed\n");
+ return AVERROR(EIO);
+ }
+
+ /* check if disc can be played */
+ if (check_disc_info(h) < 0) {
+ return AVERROR(EIO);
+ }
+
+ /* setup player registers */
+ /* region code has no effect without menus
+ if (bd->region > 0 && bd->region < 5) {
+ av_log(h, AV_LOG_INFO, "setting region code to %d (%c)\n", bd->region, 'A' + (bd->region - 1));
+ bd_set_player_setting(bd->bd, BLURAY_PLAYER_SETTING_REGION_CODE, bd->region);
+ }
+ */
+
+ /* load title list */
+ num_title_idx = bd_get_titles(bd->bd, TITLES_RELEVANT, MIN_PLAYLIST_LENGTH);
+ av_log(h, AV_LOG_INFO, "%d usable playlists:\n", num_title_idx);
+ if (num_title_idx < 1) {
+ return AVERROR(EIO);
+ }
+
+ /* if playlist was not given, select longest playlist */
+ if (bd->playlist < 0) {
+ uint64_t duration = 0;
+ int i;
+ for (i = 0; i < num_title_idx; i++) {
+ BLURAY_TITLE_INFO *info = bd_get_title_info(bd->bd, i, 0);
+
+ av_log(h, AV_LOG_INFO, "playlist %05d.mpls (%d:%02d:%02d)\n",
+ info->playlist,
+ ((int)(info->duration / 90000) / 3600),
+ ((int)(info->duration / 90000) % 3600) / 60,
+ ((int)(info->duration / 90000) % 60));
+
+ if (info->duration > duration) {
+ bd->playlist = info->playlist;
+ duration = info->duration;
+ }
+
+ bd_free_title_info(info);
+ }
+ av_log(h, AV_LOG_INFO, "selected %05d.mpls\n", bd->playlist);
+ }
+
+ /* select playlist */
+ if (bd_select_playlist(bd->bd, bd->playlist) <= 0) {
+ av_log(h, AV_LOG_ERROR, "bd_select_playlist(%05d.mpls) failed\n", bd->playlist);
+ return AVERROR(EIO);
+ }
+
+ /* select angle */
+ if (bd->angle >= 0) {
+ bd_select_angle(bd->bd, bd->angle);
+ }
+
+ /* select chapter */
+ if (bd->chapter > 1) {
+ bd_seek_chapter(bd->bd, bd->chapter - 1);
+ }
+
+ return 0;
+}
+
+static int bluray_read(URLContext *h, unsigned char *buf, int size)
+{
+ BlurayContext *bd = h->priv_data;
+ int len;
+
+ if (!bd || !bd->bd) {
+ return AVERROR(EFAULT);
+ }
+
+ len = bd_read(bd->bd, buf, size);
+
+ return len;
+}
+
+static int64_t bluray_seek(URLContext *h, int64_t pos, int whence)
+{
+ BlurayContext *bd = h->priv_data;
+
+ if (!bd || !bd->bd) {
+ return AVERROR(EFAULT);
+ }
+
+ switch (whence) {
+ case SEEK_SET:
+ case SEEK_CUR:
+ case SEEK_END:
+ return bd_seek(bd->bd, pos);
+
+ case AVSEEK_SIZE:
+ return bd_get_title_size(bd->bd);
+ }
+
+ av_log(h, AV_LOG_ERROR, "Unsupported whence operation %d\n", whence);
+ return AVERROR(EINVAL);
+}
+
+
+URLProtocol ff_bluray_protocol = {
+ .name = "bluray",
+ .url_close = bluray_close,
+ .url_open = bluray_open,
+ .url_read = bluray_read,
+ .url_seek = bluray_seek,
+ .priv_data_size = sizeof(BlurayContext),
+ .priv_data_class = &bluray_context_class,
+};
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