From 23a7257cca5982fa44300825ea489ba95a7e4c17 Mon Sep 17 00:00:00 2001 From: wm4 Date: Tue, 15 Jul 2014 01:49:02 +0200 Subject: Revert "Remove DVD and Bluray support" This reverts commit 4b93210e0c244a65ef10a566abed2ad25ecaf9a1. *shrug* --- stream/stream_dvdnav.c | 755 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 755 insertions(+) create mode 100644 stream/stream_dvdnav.c (limited to 'stream/stream_dvdnav.c') diff --git a/stream/stream_dvdnav.c b/stream/stream_dvdnav.c new file mode 100644 index 0000000000..2d9658bc78 --- /dev/null +++ b/stream/stream_dvdnav.c @@ -0,0 +1,755 @@ +/* + * This file is part of MPlayer. + * + * MPlayer 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. + * + * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#include + +#include "config.h" + +#include +#include +#include +#include +#include +#include + +#include + +#include "options/options.h" +#include "common/msg.h" +#include "input/input.h" +#include "options/m_option.h" +#include "osdep/timer.h" +#include "stream.h" +#include "demux/demux.h" +#include "discnav.h" +#include "video/out/vo.h" +#include "stream_dvd_common.h" + +#define TITLE_MENU -1 +#define TITLE_LONGEST -2 + +struct priv { + dvdnav_t *dvdnav; // handle to libdvdnav stuff + char *filename; // path + unsigned int duration; // in milliseconds + int mousex, mousey; + int title; + uint32_t spu_clut[16]; + bool spu_clut_valid; + dvdnav_highlight_event_t hlev; + int still_length; // still frame duration + unsigned long next_event; // bitmask of events to return to player + bool suspended_read; + bool nav_enabled; + bool had_initial_vts; + + int dvd_speed; + + int track; + char *device; +}; + +static const struct priv stream_priv_dflts = { + .track = TITLE_LONGEST, +}; + +#define OPT_BASE_STRUCT struct priv +static const m_option_t stream_opts_fields[] = { + OPT_CHOICE_OR_INT("title", track, 0, 0, 99, + ({"menu", TITLE_MENU}, + {"longest", TITLE_LONGEST})), + OPT_STRING("device", device, 0), + {0} +}; + +#define DNE(e) [e] = # e +static const char *const mp_dvdnav_events[] = { + DNE(DVDNAV_BLOCK_OK), + DNE(DVDNAV_NOP), + DNE(DVDNAV_STILL_FRAME), + DNE(DVDNAV_SPU_STREAM_CHANGE), + DNE(DVDNAV_AUDIO_STREAM_CHANGE), + DNE(DVDNAV_VTS_CHANGE), + DNE(DVDNAV_CELL_CHANGE), + DNE(DVDNAV_NAV_PACKET), + DNE(DVDNAV_STOP), + DNE(DVDNAV_HIGHLIGHT), + DNE(DVDNAV_SPU_CLUT_CHANGE), + DNE(DVDNAV_HOP_CHANNEL), + DNE(DVDNAV_WAIT), +}; + +static const char *const mp_nav_cmd_types[] = { + DNE(MP_NAV_CMD_NONE), + DNE(MP_NAV_CMD_ENABLE), + DNE(MP_NAV_CMD_DRAIN_OK), + DNE(MP_NAV_CMD_RESUME), + DNE(MP_NAV_CMD_SKIP_STILL), + DNE(MP_NAV_CMD_MENU), + DNE(MP_NAV_CMD_MOUSE_POS), +}; + +static const char *const mp_nav_event_types[] = { + DNE(MP_NAV_EVENT_NONE), + DNE(MP_NAV_EVENT_RESET), + DNE(MP_NAV_EVENT_RESET_CLUT), + DNE(MP_NAV_EVENT_RESET_ALL), + DNE(MP_NAV_EVENT_DRAIN), + DNE(MP_NAV_EVENT_STILL_FRAME), + DNE(MP_NAV_EVENT_HIGHLIGHT), + DNE(MP_NAV_EVENT_MENU_MODE), + DNE(MP_NAV_EVENT_EOF), +}; + +#define LOOKUP_NAME(array, i) \ + (((i) >= 0 && (i) < MP_ARRAY_SIZE(array)) ? array[(i)] : "?") + +static void dvdnav_get_highlight(struct priv *priv, int display_mode) +{ + pci_t *pnavpci = NULL; + dvdnav_highlight_event_t *hlev = &(priv->hlev); + int btnum; + + if (!priv || !priv->dvdnav) + return; + + pnavpci = dvdnav_get_current_nav_pci(priv->dvdnav); + if (!pnavpci) { + hlev->display = 0; + return; + } + + dvdnav_get_current_highlight(priv->dvdnav, &(hlev->buttonN)); + hlev->display = display_mode; /* show */ + + if (hlev->buttonN > 0 && pnavpci->hli.hl_gi.btn_ns > 0 && hlev->display) { + for (btnum = 0; btnum < pnavpci->hli.hl_gi.btn_ns; btnum++) { + btni_t *btni = &(pnavpci->hli.btnit[btnum]); + + if (hlev->buttonN == btnum + 1) { + hlev->sx = FFMIN(btni->x_start, btni->x_end); + hlev->ex = FFMAX(btni->x_start, btni->x_end); + hlev->sy = FFMIN(btni->y_start, btni->y_end); + hlev->ey = FFMAX(btni->y_start, btni->y_end); + + hlev->palette = (btni->btn_coln == 0) ? + 0 : pnavpci->hli.btn_colit.btn_coli[btni->btn_coln - 1][0]; + break; + } + } + } else { /* hide button or no button */ + hlev->sx = hlev->ex = 0; + hlev->sy = hlev->ey = 0; + hlev->palette = hlev->buttonN = 0; + } +} + +static void handle_menu_input(stream_t *stream, const char *cmd) +{ + struct priv *priv = stream->priv; + dvdnav_t *nav = priv->dvdnav; + dvdnav_status_t status = DVDNAV_STATUS_ERR; + pci_t *pci = dvdnav_get_current_nav_pci(nav); + + MP_VERBOSE(stream, "DVDNAV: input '%s'\n", cmd); + + if (!pci) + return; + + if (strcmp(cmd, "up") == 0) { + status = dvdnav_upper_button_select(nav, pci); + } else if (strcmp(cmd, "down") == 0) { + status = dvdnav_lower_button_select(nav, pci); + } else if (strcmp(cmd, "left") == 0) { + status = dvdnav_left_button_select(nav, pci); + } else if (strcmp(cmd, "right") == 0) { + status = dvdnav_right_button_select(nav, pci); + } else if (strcmp(cmd, "menu") == 0) { + status = dvdnav_menu_call(nav, DVD_MENU_Root); + } else if (strcmp(cmd, "prev") == 0) { + int title = 0, part = 0; + dvdnav_current_title_info(nav, &title, &part); + if (title) + status = dvdnav_menu_call(nav, DVD_MENU_Part); + if (status != DVDNAV_STATUS_OK) + status = dvdnav_menu_call(nav, DVD_MENU_Title); + if (status != DVDNAV_STATUS_OK) + status = dvdnav_menu_call(nav, DVD_MENU_Root); + } else if (strcmp(cmd, "select") == 0) { + status = dvdnav_button_activate(nav, pci); + } else if (strcmp(cmd, "mouse") == 0) { + status = dvdnav_mouse_activate(nav, pci, priv->mousex, priv->mousey); + } else { + MP_VERBOSE(stream, "Unknown DVDNAV command: '%s'\n", cmd); + } +} + +static void handle_mouse_pos(stream_t *stream, int x, int y) +{ + struct priv *priv = stream->priv; + dvdnav_t *nav = priv->dvdnav; + pci_t *pci = dvdnav_get_current_nav_pci(nav); + + if (!pci) + return; + + dvdnav_mouse_select(nav, pci, x, y); + priv->mousex = x; + priv->mousey = y; +} + +/** + * \brief mp_dvdnav_lang_from_aid() returns the language corresponding to audio id 'aid' + * \param stream: - stream pointer + * \param sid: physical subtitle id + * \return 0 on error, otherwise language id + */ +static int mp_dvdnav_lang_from_aid(stream_t *stream, int aid) +{ + uint8_t lg; + uint16_t lang; + struct priv *priv = stream->priv; + + if (aid < 0) + return 0; + lg = dvdnav_get_audio_logical_stream(priv->dvdnav, aid & 0x7); + if (lg == 0xff) + return 0; + lang = dvdnav_audio_stream_to_lang(priv->dvdnav, lg); + if (lang == 0xffff) + return 0; + return lang; +} + +/** + * \brief mp_dvdnav_lang_from_sid() returns the language corresponding to subtitle id 'sid' + * \param stream: - stream pointer + * \param sid: physical subtitle id + * \return 0 on error, otherwise language id + */ +static int mp_dvdnav_lang_from_sid(stream_t *stream, int sid) +{ + uint8_t k; + uint16_t lang; + struct priv *priv = stream->priv; + if (sid < 0) + return 0; + for (k = 0; k < 32; k++) + if (dvdnav_get_spu_logical_stream(priv->dvdnav, k) == sid) + break; + if (k == 32) + return 0; + lang = dvdnav_spu_stream_to_lang(priv->dvdnav, k); + if (lang == 0xffff) + return 0; + return lang; +} + +/** + * \brief mp_dvdnav_number_of_subs() returns the count of available subtitles + * \param stream: - stream pointer + * \return 0 on error, something meaningful otherwise + */ +static int mp_dvdnav_number_of_subs(stream_t *stream) +{ + struct priv *priv = stream->priv; + uint8_t lg, k, n = 0; + + for (k = 0; k < 32; k++) { + lg = dvdnav_get_spu_logical_stream(priv->dvdnav, k); + if (lg == 0xff) + continue; + if (lg >= n) + n = lg + 1; + } + return n; +} + +static void handle_cmd(stream_t *s, struct mp_nav_cmd *ev) +{ + struct priv *priv = s->priv; + MP_VERBOSE(s, "DVDNAV: input '%s'\n", + LOOKUP_NAME(mp_nav_cmd_types, ev->event)); + switch (ev->event) { + case MP_NAV_CMD_ENABLE: + priv->nav_enabled = true; + break; + case MP_NAV_CMD_DRAIN_OK: + dvdnav_wait_skip(priv->dvdnav); + break; + case MP_NAV_CMD_RESUME: + priv->suspended_read = false; + break; + case MP_NAV_CMD_SKIP_STILL: + dvdnav_still_skip(priv->dvdnav); + break; + case MP_NAV_CMD_MENU: + handle_menu_input(s, ev->u.menu.action); + break; + case MP_NAV_CMD_MOUSE_POS: + handle_mouse_pos(s, ev->u.mouse_pos.x, ev->u.mouse_pos.y); + break; + } + +} + +static inline bool set_event_type(struct priv *priv, int type, + struct mp_nav_event *event) +{ + if (!(priv->next_event & (1 << type))) + return false; + priv->next_event &= ~(1 << type); + event->event = type; + return true; +} + +static void fill_next_event(stream_t *s, struct mp_nav_event **ret) +{ + struct priv *priv = s->priv; + struct mp_nav_event e = {0}; + if (!set_event_type(priv, MP_NAV_EVENT_RESET_ALL, &e)) + for (int n = 0; n < 30 && !set_event_type(priv, n, &e); n++) ; + switch (e.event) { + case MP_NAV_EVENT_NONE: + return; + case MP_NAV_EVENT_HIGHLIGHT: { + dvdnav_highlight_event_t hlev = priv->hlev; + e.u.highlight.display = hlev.display; + e.u.highlight.sx = hlev.sx; + e.u.highlight.sy = hlev.sy; + e.u.highlight.ex = hlev.ex; + e.u.highlight.ey = hlev.ey; + e.u.highlight.palette = hlev.palette; + break; + } + case MP_NAV_EVENT_MENU_MODE: + e.u.menu_mode.enable = !dvdnav_is_domain_vts(priv->dvdnav); + break; + case MP_NAV_EVENT_STILL_FRAME: + e.u.still_frame.seconds = priv->still_length; + break; + } + *ret = talloc(NULL, struct mp_nav_event); + **ret = e; + + MP_VERBOSE(s, "DVDNAV: player event '%s'\n", + LOOKUP_NAME(mp_nav_event_types, e.event)); +} + +static int fill_buffer(stream_t *s, char *buf, int max_len) +{ + struct priv *priv = s->priv; + dvdnav_t *dvdnav = priv->dvdnav; + + if (max_len < 2048) + return -1; + + while (1) { + if (priv->suspended_read) + return -1; + + int len = -1; + int event = DVDNAV_NOP; + if (dvdnav_get_next_block(dvdnav, buf, &event, &len) != DVDNAV_STATUS_OK) + { + MP_ERR(s, "Error getting next block from DVD %d (%s)\n", + event, dvdnav_err_to_string(dvdnav)); + return 0; + } + if (event != DVDNAV_BLOCK_OK) { + const char *name = LOOKUP_NAME(mp_dvdnav_events, event); + MP_VERBOSE(s, "DVDNAV: event %s (%d).\n", name, event); + dvdnav_get_highlight(priv, 1); + } + switch (event) { + case DVDNAV_BLOCK_OK: + return len; + case DVDNAV_STOP: { + priv->next_event |= 1 << MP_NAV_EVENT_EOF; + return 0; + } + case DVDNAV_NAV_PACKET: { + pci_t *pnavpci = dvdnav_get_current_nav_pci(dvdnav); + uint32_t start_pts = pnavpci->pci_gi.vobu_s_ptm; + MP_TRACE(s, "start pts = %"PRIu32"\n", start_pts); + break; + } + case DVDNAV_STILL_FRAME: { + dvdnav_still_event_t *still_event = (dvdnav_still_event_t *) buf; + priv->still_length = still_event->length; + if (priv->still_length == 255) + priv->still_length = -1; + MP_VERBOSE(s, "len=%d\n", priv->still_length); + /* set still frame duration */ + if (priv->still_length <= 1) { + pci_t *pnavpci = dvdnav_get_current_nav_pci(dvdnav); + priv->duration = mp_dvdtimetomsec(&pnavpci->pci_gi.e_eltm); + } + if (priv->nav_enabled) { + priv->next_event |= 1 << MP_NAV_EVENT_STILL_FRAME; + } else { + dvdnav_still_skip(dvdnav); + } + return 0; + } + case DVDNAV_WAIT: { + if (priv->nav_enabled) { + priv->next_event |= 1 << MP_NAV_EVENT_DRAIN; + } else { + dvdnav_wait_skip(dvdnav); + } + return 0; + } + case DVDNAV_HIGHLIGHT: { + dvdnav_get_highlight(priv, 1); + priv->next_event |= 1 << MP_NAV_EVENT_HIGHLIGHT; + break; + } + case DVDNAV_VTS_CHANGE: { + int tit = 0, part = 0; + dvdnav_vts_change_event_t *vts_event = + (dvdnav_vts_change_event_t *)s->buffer; + MP_INFO(s, "DVDNAV, switched to title: %d\n", + vts_event->new_vtsN); + if (!priv->had_initial_vts) { + // dvdnav sends an initial VTS change before any data; don't + // cause a blocking wait for the player, because the player in + // turn can't initialize the demuxer without data. + priv->had_initial_vts = true; + break; + } + // clear all previous events + priv->next_event = 0; + priv->next_event |= 1 << MP_NAV_EVENT_RESET; + priv->next_event |= 1 << MP_NAV_EVENT_RESET_ALL; + if (dvdnav_current_title_info(dvdnav, &tit, &part) == DVDNAV_STATUS_OK) + { + MP_VERBOSE(s, "DVDNAV, NEW TITLE %d\n", tit); + dvdnav_get_highlight(priv, 0); + if (priv->title > 0 && tit != priv->title) { + priv->next_event |= 1 << MP_NAV_EVENT_EOF;; + MP_WARN(s, "Requested title not found\n"); + } + } + if (priv->nav_enabled) + priv->suspended_read = true; + break; + } + case DVDNAV_CELL_CHANGE: { + dvdnav_cell_change_event_t *ev = (dvdnav_cell_change_event_t *)buf; + + priv->next_event |= 1 << MP_NAV_EVENT_RESET; + priv->next_event |= 1 << MP_NAV_EVENT_MENU_MODE; + if (ev->pgc_length) + priv->duration = ev->pgc_length / 90; + + dvdnav_get_highlight(priv, 1); + break; + } + case DVDNAV_SPU_CLUT_CHANGE: { + memcpy(priv->spu_clut, buf, 16 * sizeof(uint32_t)); + priv->spu_clut_valid = true; + priv->next_event |= 1 << MP_NAV_EVENT_RESET_CLUT; + break; + } + } + } + return 0; +} + +static int control(stream_t *stream, int cmd, void *arg) +{ + struct priv *priv = stream->priv; + dvdnav_t *dvdnav = priv->dvdnav; + int tit, part; + + switch (cmd) { + case STREAM_CTRL_GET_NUM_CHAPTERS: { + if (dvdnav_current_title_info(dvdnav, &tit, &part) != DVDNAV_STATUS_OK) + break; + if (dvdnav_get_number_of_parts(dvdnav, tit, &part) != DVDNAV_STATUS_OK) + break; + if (!part) + break; + *(unsigned int *)arg = part; + return 1; + } + case STREAM_CTRL_GET_CHAPTER_TIME: { + double *ch = arg; + int chapter = *ch; + if (dvdnav_current_title_info(dvdnav, &tit, &part) != DVDNAV_STATUS_OK) + break; + uint64_t *parts = NULL, duration = 0; + int n = dvdnav_describe_title_chapters(dvdnav, tit, &parts, &duration); + if (!parts) + break; + if (chapter < 0 || chapter >= n) + break; + *ch = parts[chapter] / 90000.0; + free(parts); + return 1; + } + case STREAM_CTRL_GET_TIME_LENGTH: { + if (priv->duration) { + *(double *)arg = (double)priv->duration / 1000.0; + return 1; + } + break; + } + case STREAM_CTRL_GET_ASPECT_RATIO: { + uint8_t ar = dvdnav_get_video_aspect(dvdnav); + *(double *)arg = !ar ? 4.0 / 3.0 : 16.0 / 9.0; + return 1; + } + case STREAM_CTRL_GET_CURRENT_TIME: { + double tm; + tm = dvdnav_get_current_time(dvdnav) / 90000.0f; + if (tm != -1) { + *(double *)arg = tm; + return 1; + } + break; + } + case STREAM_CTRL_GET_NUM_TITLES: { + int32_t num_titles = 0; + if (dvdnav_get_number_of_titles(dvdnav, &num_titles) != DVDNAV_STATUS_OK) + break; + *((unsigned int*)arg)= num_titles; + return STREAM_OK; + } + case STREAM_CTRL_GET_CURRENT_TITLE: { + if (dvdnav_current_title_info(dvdnav, &tit, &part) != DVDNAV_STATUS_OK) + break; + *((unsigned int *) arg) = tit - 1; + return STREAM_OK; + } + case STREAM_CTRL_SET_CURRENT_TITLE: { + int title = *((unsigned int *) arg); + if (dvdnav_title_play(priv->dvdnav, title + 1) != DVDNAV_STATUS_OK) + break; + stream_drop_buffers(stream); + return STREAM_OK; + } + case STREAM_CTRL_SEEK_TO_TIME: { + double d = *(double *)arg; + int64_t tm = (int64_t)(d * 90000); + if (tm < 0) + tm = 0; + if (priv->duration && tm >= (priv->duration * 90)) + tm = priv->duration * 90 - 1; + MP_VERBOSE(stream, "seek to PTS %f (%"PRId64")\n", d, tm); + if (dvdnav_time_search(dvdnav, tm) != DVDNAV_STATUS_OK) + break; + stream_drop_buffers(stream); + d = dvdnav_get_current_time(dvdnav) / 90000.0f; + MP_VERBOSE(stream, "landed at: %f\n", d); + return STREAM_OK; + } + case STREAM_CTRL_GET_NUM_ANGLES: { + uint32_t curr, angles; + if (dvdnav_get_angle_info(dvdnav, &curr, &angles) != DVDNAV_STATUS_OK) + break; + *(int *)arg = angles; + return 1; + } + case STREAM_CTRL_GET_ANGLE: { + uint32_t curr, angles; + if (dvdnav_get_angle_info(dvdnav, &curr, &angles) != DVDNAV_STATUS_OK) + break; + *(int *)arg = curr; + return 1; + } + case STREAM_CTRL_SET_ANGLE: { + uint32_t curr, angles; + int new_angle = *(int *)arg; + if (dvdnav_get_angle_info(dvdnav, &curr, &angles) != DVDNAV_STATUS_OK) + break; + if (new_angle > angles || new_angle < 1) + break; + if (dvdnav_angle_change(dvdnav, new_angle) != DVDNAV_STATUS_OK) + return 1; + } + case STREAM_CTRL_GET_LANG: { + struct stream_lang_req *req = arg; + int lang = 0; + switch (req->type) { + case STREAM_AUDIO: + lang = mp_dvdnav_lang_from_aid(stream, req->id); + break; + case STREAM_SUB: + lang = mp_dvdnav_lang_from_sid(stream, req->id); + break; + } + if (!lang) + break; + snprintf(req->name, sizeof(req->name), "%c%c", lang >> 8, lang); + return STREAM_OK; + } + case STREAM_CTRL_GET_DVD_INFO: { + struct stream_dvd_info_req *req = arg; + memset(req, 0, sizeof(*req)); + req->num_subs = mp_dvdnav_number_of_subs(stream); + assert(sizeof(uint32_t) == sizeof(unsigned int)); + memcpy(req->palette, priv->spu_clut, sizeof(req->palette)); + return STREAM_OK; + } + case STREAM_CTRL_GET_NAV_EVENT: { + struct mp_nav_event **ev = arg; + if (ev) + fill_next_event(stream, ev); + return STREAM_OK; + } + case STREAM_CTRL_NAV_CMD: { + handle_cmd(stream, (struct mp_nav_cmd *)arg); + return STREAM_OK; + } + case STREAM_CTRL_GET_DISC_NAME: { + const char *volume = NULL; + if (dvdnav_get_title_string(dvdnav, &volume) != DVDNAV_STATUS_OK) + break; + if (!volume || !volume[0]) + break; + *(char**)arg = talloc_strdup(NULL, volume); + return STREAM_OK; + } + } + + return STREAM_UNSUPPORTED; +} + +static void stream_dvdnav_close(stream_t *s) +{ + struct priv *priv = s->priv; + dvdnav_close(priv->dvdnav); + priv->dvdnav = NULL; + if (priv->dvd_speed) + dvd_set_speed(s, priv->filename, -1); + if (priv->filename) + free(priv->filename); +} + +static struct priv *new_dvdnav_stream(stream_t *stream, char *filename) +{ + struct priv *priv = stream->priv; + const char *title_str; + + if (!filename) + return NULL; + + if (!(priv->filename = strdup(filename))) + return NULL; + + priv->dvd_speed = stream->opts->dvd_speed; + dvd_set_speed(stream, priv->filename, priv->dvd_speed); + + if (dvdnav_open(&(priv->dvdnav), priv->filename) != DVDNAV_STATUS_OK) { + free(priv->filename); + priv->filename = NULL; + return NULL; + } + + if (!priv->dvdnav) + return NULL; + + dvdnav_set_readahead_flag(priv->dvdnav, 1); + if (dvdnav_set_PGC_positioning_flag(priv->dvdnav, 1) != DVDNAV_STATUS_OK) + MP_ERR(stream, "stream_dvdnav, failed to set PGC positioning\n"); + /* report the title?! */ + dvdnav_get_title_string(priv->dvdnav, &title_str); + + return priv; +} + +static int open_s(stream_t *stream) +{ + struct priv *priv, *p; + priv = p = stream->priv; + char *filename; + + if (p->device && p->device[0]) + filename = p->device; + else if (stream->opts->dvd_device && stream->opts->dvd_device[0]) + filename = stream->opts->dvd_device; + else + filename = DEFAULT_DVD_DEVICE; + if (!new_dvdnav_stream(stream, filename)) { + MP_ERR(stream, "Couldn't open DVD device: %s\n", + filename); + return STREAM_UNSUPPORTED; + } + + if (p->track == TITLE_LONGEST) { // longest + dvdnav_t *dvdnav = priv->dvdnav; + uint64_t best_length = 0; + int best_title = -1; + int32_t num_titles; + if (dvdnav_get_number_of_titles(dvdnav, &num_titles) == DVDNAV_STATUS_OK) { + for (int n = 1; n <= num_titles; n++) { + uint64_t *parts = NULL, duration = 0; + dvdnav_describe_title_chapters(dvdnav, n, &parts, &duration); + if (parts) { + if (duration > best_length) { + best_length = duration; + best_title = n; + } + free(parts); + } + } + } + p->track = best_title - 1; + MP_INFO(stream, "Selecting title %d.\n", p->track); + } + + if (p->track >= 0) { + priv->title = p->track; + if (dvdnav_title_play(priv->dvdnav, p->track + 1) != DVDNAV_STATUS_OK) { + MP_FATAL(stream, "dvdnav_stream, couldn't select title %d, error '%s'\n", + p->track, dvdnav_err_to_string(priv->dvdnav)); + return STREAM_UNSUPPORTED; + } + } else { + if (dvdnav_menu_call(priv->dvdnav, DVD_MENU_Root) != DVDNAV_STATUS_OK) + dvdnav_menu_call(priv->dvdnav, DVD_MENU_Title); + } + if (stream->opts->dvd_angle > 1) + dvdnav_angle_change(priv->dvdnav, stream->opts->dvd_angle); + + stream->sector_size = 2048; + stream->fill_buffer = fill_buffer; + stream->control = control; + stream->close = stream_dvdnav_close; + stream->type = STREAMTYPE_DVD; + stream->demuxer = "+disc"; + stream->lavf_type = "mpeg"; + stream->allow_caching = false; + + return STREAM_OK; +} + +const stream_info_t stream_info_dvdnav = { + .name = "dvdnav", + .open = open_s, + .protocols = (const char*const[]){ "dvd", "dvdnav", NULL }, + .priv_size = sizeof(struct priv), + .priv_defaults = &stream_priv_dflts, + .options = stream_opts_fields, + .url_options = (const char*const[]){ + "hostname=title", + "filename=device", + NULL + }, +}; 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