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🎥 Command line media player
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#include <stdio.h>#include <stdlib.h>#include <string.h>#include <unistd.h>#include <string.h>#include <strings.h>#include <libgen.h>#include <errno.h>#include <stdint.h>
#include <dvdread/dvd_reader.h>#include <dvdread/ifo_types.h>#include <dvdread/ifo_read.h>#include <dvdread/nav_read.h>
#include "osdep/io.h"
#include "config.h"#include "mpv_talloc.h"#include "common/common.h"#include "common/msg.h"
#define FIRST_AC3_AID 128#define FIRST_DTS_AID 136#define FIRST_MPG_AID 0#define FIRST_PCM_AID 160
#include "stream.h"#include "options/m_config.h"#include "options/options.h"#include "options/path.h"
#include "stream_dvd_common.h"
#define LIBDVDREAD_VERSION(maj,min,micro) ((maj)*10000 + (min)*100 + (micro))/* * Try to autodetect the libdvd-0.9.0 library * (0.9.0 removed the <dvdread/dvd_udf.h> header, and moved the two defines * DVD_VIDEO_LB_LEN and MAX_UDF_FILE_NAME_LEN from it to * <dvdread/dvd_reader.h>) */#ifndef DVDREAD_VERSION#if defined(DVD_VIDEO_LB_LEN) && defined(MAX_UDF_FILE_NAME_LEN)#define DVDREAD_VERSION LIBDVDREAD_VERSION(0,9,0)#else#define DVDREAD_VERSION LIBDVDREAD_VERSION(0,8,0)#endif#endif
typedef struct { int id; // 0 - 31 mpeg; 128 - 159 ac3; 160 - 191 pcm int language; int type; int channels;} stream_language_t;
typedef struct { dvd_reader_t *dvd; dvd_file_t *title; ifo_handle_t *vmg_file; tt_srpt_t *tt_srpt; ifo_handle_t *vts_file; vts_ptt_srpt_t *vts_ptt_srpt; pgc_t *cur_pgc;// int cur_title; int cur_cell; int last_cell; int cur_pack; int cell_last_pack; int cur_pgc_idx;// Navi: int packs_left; dsi_t dsi_pack; int angle_seek; unsigned int *cell_times_table;// audio datas int nr_of_channels; stream_language_t audio_streams[32];// subtitles int nr_of_subtitles; stream_language_t subtitles[32];
int dvd_angle; char *dvd_device_current; int dvd_speed; int dvd_title;
int cfg_title; char *cfg_device;} dvd_priv_t;
static int dvd_lang_from_aid(stream_t *stream, int id) { dvd_priv_t *d; int i; if (!stream) return 0; d = stream->priv; if (!d) return 0; for(i=0;i<d->nr_of_channels;i++) { if(d->audio_streams[i].id==id) return d->audio_streams[i].language; } return 0;}
static int dvd_number_of_subs(stream_t *stream) { int i; int maxid = -1; dvd_priv_t *d; if (!stream) return -1; d = stream->priv; if (!d) return -1; for (i = 0; i < d->nr_of_subtitles; i++) if (d->subtitles[i].id > maxid) maxid = d->subtitles[i].id; return maxid + 1;}
static int dvd_lang_from_sid(stream_t *stream, int id) { int i; dvd_priv_t *d; if (!stream) return 0; d = stream->priv; if (!d) return 0; for (i = 0; i < d->nr_of_subtitles; i++) if (d->subtitles[i].id == id && d->subtitles[i].language) return d->subtitles[i].language; return 0;}
static int dvd_next_cell(stream_t *stream, dvd_priv_t *d) { int next_cell=d->cur_cell;
MP_DBG(stream, "dvd_next_cell: next1=0x%X \n",next_cell); if( d->cur_pgc->cell_playback[ next_cell ].block_type == BLOCK_TYPE_ANGLE_BLOCK ) { while(next_cell<d->last_cell) { if( d->cur_pgc->cell_playback[next_cell].block_mode == BLOCK_MODE_LAST_CELL ) break; ++next_cell; } } MP_DBG(stream, "dvd_next_cell: next2=0x%X \n",next_cell);
++next_cell; if(next_cell>=d->last_cell) return -1; // EOF if(d->cur_pgc->cell_playback[next_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK ) { next_cell+=d->dvd_angle-1; if(next_cell>=d->last_cell) return -1; // EOF } MP_DBG(stream, "dvd_next_cell: next3=0x%X \n",next_cell); return next_cell;}
static int dvd_read_sector(stream_t *stream, dvd_priv_t *d, unsigned char *data){ int len;
if(d->packs_left==0) { /** * If we're not at the end of this cell, we can determine the next * VOBU to display using the VOBU_SRI information section of the * DSI. Using this value correctly follows the current angle, * avoiding the doubled scenes in The Matrix, and makes our life * really happy. * * Otherwise, we set our next address past the end of this cell to * force the code above to go to the next cell in the program. */ if(d->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL) { d->cur_pack= d->dsi_pack.dsi_gi.nv_pck_lbn + ( d->dsi_pack.vobu_sri.next_vobu & 0x7fffffff ); MP_DBG(stream, "Navi new pos=0x%X \n",d->cur_pack); } else { // end of cell! find next cell! MP_VERBOSE(stream, "--- END OF CELL !!! ---\n"); d->cur_pack=d->cell_last_pack+1; } }
read_next: if(d->cur_pack>d->cell_last_pack) { // end of cell! int next=dvd_next_cell(stream, d); if(next>=0) { d->cur_cell=next; // if( d->cur_pgc->cell_playback[d->cur_cell].block_type // == BLOCK_TYPE_ANGLE_BLOCK ) d->cur_cell+=dvd_angle-1; d->cur_pack = d->cur_pgc->cell_playback[ d->cur_cell ].first_sector; d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector; MP_VERBOSE(stream, "DVD next cell: %d pack: 0x%X-0x%X \n",d->cur_cell,d->cur_pack,d->cell_last_pack); } else return -1; // EOF }
len = DVDReadBlocks(d->title, d->cur_pack, 1, data); // only == 0 should indicate an error, but some dvdread version are buggy when used with dvdcss if(len <= 0) return -1; //error
if(data[38]==0 && data[39]==0 && data[40]==1 && data[41]==0xBF && data[1024]==0 && data[1025]==0 && data[1026]==1 && data[1027]==0xBF) { // found a Navi packet!!!#if DVDREAD_VERSION >= LIBDVDREAD_VERSION(0,9,0) navRead_DSI(&d->dsi_pack, &(data[ DSI_START_BYTE ]));#else navRead_DSI(&d->dsi_pack, &(data[ DSI_START_BYTE ]), sizeof(dsi_t));#endif if(d->cur_pack != d->dsi_pack.dsi_gi.nv_pck_lbn ) { MP_VERBOSE(stream, "Invalid NAVI packet! lba=0x%X navi=0x%X \n", d->cur_pack,d->dsi_pack.dsi_gi.nv_pck_lbn); } else { // process! d->packs_left = d->dsi_pack.dsi_gi.vobu_ea; MP_DBG(stream, "Found NAVI packet! lba=0x%X len=%d \n",d->cur_pack,d->packs_left); //navPrint_DSI(&d->dsi_pack); MP_TRACE(stream, "\r### CELL %d: Navi: %d/%d IFO: %d/%d \n",d->cur_cell, d->dsi_pack.dsi_gi.vobu_c_idn,d->dsi_pack.dsi_gi.vobu_vob_idn, d->cur_pgc->cell_position[d->cur_cell].cell_nr, d->cur_pgc->cell_position[d->cur_cell].vob_id_nr);
if(d->angle_seek) { int i,skip=0; for(i=0;i<9;i++) // check if all values zero: if((skip=d->dsi_pack.sml_agli.data[i].address)!=0) break; if(skip && skip!=0x7fffffff) { // sml_agli table has valid data (at least one non-zero): d->cur_pack=d->dsi_pack.dsi_gi.nv_pck_lbn+ d->dsi_pack.sml_agli.data[d->dvd_angle-1].address; d->angle_seek=0; d->cur_pack--; MP_VERBOSE(stream, "Angle-seek synced using sml_agli map! new_lba=0x%X \n",d->cur_pack); } else { // check if we're in the right cell, jump otherwise: if( (d->dsi_pack.dsi_gi.vobu_c_idn==d->cur_pgc->cell_position[d->cur_cell].cell_nr) && (d->dsi_pack.dsi_gi.vobu_vob_idn==d->cur_pgc->cell_position[d->cur_cell].vob_id_nr) ){ d->angle_seek=0; MP_VERBOSE(stream, "Angle-seek synced by cell/vob IDN search! \n"); } else { // wrong angle, skip this vobu: d->cur_pack=d->dsi_pack.dsi_gi.nv_pck_lbn+ d->dsi_pack.dsi_gi.vobu_ea; d->angle_seek=2; // DEBUG } } } } ++d->cur_pack; goto read_next; }
++d->cur_pack; if(d->packs_left>=0) --d->packs_left;
if(d->angle_seek) { if(d->angle_seek==2) MP_VERBOSE(stream, "!!! warning! reading packet while angle_seek !!!\n"); goto read_next; // searching for Navi packet }
return d->cur_pack-1;}
static int fill_buffer(stream_t *s, char *buf, int len){ int64_t pos; if (len < 2048) return -1; pos = dvd_read_sector(s, s->priv, buf); if (pos < 0) return -1; return 2048; // full sector}
static void stream_dvd_close(stream_t *s) { dvd_priv_t *d = s->priv; ifoClose(d->vts_file); ifoClose(d->vmg_file); DVDCloseFile(d->title); DVDClose(d->dvd); if (d->dvd_speed) dvd_set_speed(s,d->dvd_device_current, -1); /* -1 => restore default */}
static int mp_get_titleset_length(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no){ int vts_ttn; ///< title number within video title set int pgc_no; ///< program chain number int msec; ///< time length in milliseconds
msec=0; if(!vts_file || !tt_srpt) return 0;
if(vts_file->vtsi_mat && vts_file->vts_pgcit) { vts_ttn = tt_srpt->title[title_no].vts_ttn - 1; pgc_no = vts_file->vts_ptt_srpt->title[vts_ttn].ptt[0].pgcn - 1; msec = mp_dvdtimetomsec(&vts_file->vts_pgcit->pgci_srp[pgc_no].pgc->playback_time); } return msec;}
static int get_num_chapter(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no){ if(!vts_file || !tt_srpt) return 0;
if(title_no < 0 || title_no >= tt_srpt->nr_of_srpts) return 0;
// map global title to vts title title_no = tt_srpt->title[title_no].vts_ttn - 1;
if(title_no < 0 || title_no >= vts_file->vts_ptt_srpt->nr_of_srpts) return 0;
return vts_file->vts_ptt_srpt->title[title_no].nr_of_ptts;}
// p: in=chapter number, out=PTSstatic int get_chapter_time(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no, double *p){ unsigned int i, cell, last_cell; unsigned int t=0; ptt_info_t *ptt; pgc_t *pgc;
title_no = tt_srpt->title[title_no].vts_ttn - 1; if(vts_file->vts_ptt_srpt->title[title_no].nr_of_ptts < 2) return 0; ptt = vts_file->vts_ptt_srpt->title[title_no].ptt;
int cur = 0; for(i=0; i<vts_file->vts_ptt_srpt->title[title_no].nr_of_ptts; i++) { pgc = vts_file->vts_pgcit->pgci_srp[ptt[i].pgcn-1].pgc; cell = pgc->program_map[ptt[i].pgn-1]; //here the cell is 1-based if(ptt[i].pgn<pgc->nr_of_programs) last_cell = pgc->program_map[ptt[i].pgn]; else last_cell = 0; while (cell < last_cell) { if(!(pgc->cell_playback[cell-1].block_type == BLOCK_TYPE_ANGLE_BLOCK && pgc->cell_playback[cell-1].block_mode != BLOCK_MODE_FIRST_CELL) ) { if (cur == *p) { *p = t / 1000.0; return 1; } t += mp_dvdtimetomsec(&pgc->cell_playback[cell-1].playback_time); cur++; } cell++; } } return 0;}
static void list_chapters(stream_t *stream, ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no){ MP_INFO(stream, "CHAPTERS: "); for (int n = 0; ; n++) { double p = n; int r; r = get_chapter_time(vts_file, tt_srpt, title_no, &p); if (!r) break; int t = p * 1000; MP_INFO(stream, "%02d:%02d:%02d.%03d,", t/3600000, (t/60000)%60, (t/1000)%60, t%1000); } MP_INFO(stream, "\n");}
static double dvd_get_current_time(stream_t *stream, int cell){ int i, tm; dvd_priv_t *d = stream->priv;
tm=0; if(cell < 0) cell=d->cur_cell; for(i=0; i<cell; i++) { if(d->cur_pgc->cell_playback[i].block_type == BLOCK_TYPE_ANGLE_BLOCK && d->cur_pgc->cell_playback[i].block_mode != BLOCK_MODE_FIRST_CELL ) continue; tm += d->cell_times_table[i]; } tm += mp_dvdtimetomsec(&d->dsi_pack.dsi_gi.c_eltm);
return (double)tm/1000.0;}
static void dvd_seek(stream_t *stream, dvd_priv_t *d, int pos){ d->packs_left=-1; d->cur_pack=pos;
// check if we stay in current cell (speedup things, and avoid angle skip) if(d->cur_pack>d->cell_last_pack || d->cur_pack<d->cur_pgc->cell_playback[ d->cur_cell ].first_sector) {
// ok, cell change, find the right cell! cell_playback_t *cell; for(d->cur_cell=0; d->cur_cell < d->cur_pgc->nr_of_cells; d->cur_cell++) { cell = &(d->cur_pgc->cell_playback[d->cur_cell]); if(cell->block_type == BLOCK_TYPE_ANGLE_BLOCK && cell->block_mode != BLOCK_MODE_FIRST_CELL) continue; d->cell_last_pack=cell->last_sector; if(d->cur_pack<cell->first_sector) { d->cur_pack=cell->first_sector; break; } if(d->cur_pack<=d->cell_last_pack) break; // ok, we find it! :) } }
MP_VERBOSE(stream, "DVD Seek! lba=0x%X cell=%d packs: 0x%X-0x%X \n", d->cur_pack,d->cur_cell,d->cur_pgc->cell_playback[ d->cur_cell ].first_sector,d->cell_last_pack);
// if we're in interleaved multi-angle cell, find the right angle chain! // (read Navi block, and use the seamless angle jump table) d->angle_seek=1;}
static int do_seek(stream_t *s, int64_t newpos) { stream_drop_buffers(s); dvd_seek(s, s->priv,newpos/2048); return 1;}
static int dvd_seek_to_time(stream_t *stream, ifo_handle_t *vts_file, double sec){ unsigned int i, j, k, timeunit, ac_time, tmap_sector=0, cell_sector=0, vobu_sector=0; int t=0; double tm, duration; int64_t pos = -1; dvd_priv_t *d = stream->priv; vts_tmapt_t *vts_tmapt = vts_file->vts_tmapt;
if(!vts_file->vts_tmapt || sec < 0) return 0;
duration = (double) mp_get_titleset_length(d->vts_file, d->tt_srpt, d->cur_title) / 1000.0f; if(sec > duration) return 0;
i=d->cur_pgc_idx; timeunit = vts_tmapt->tmap[i].tmu; for(j = 0; j < vts_tmapt->tmap[i].nr_of_entries; j++) { ac_time = timeunit * (j + 1); if(ac_time >= sec) break; tmap_sector = vts_tmapt->tmap[i].map_ent[j] & 0x7fffffff; } //search enclosing cell for(i=0; i<d->cur_pgc->nr_of_cells; i++) { if(tmap_sector >= d->cur_pgc->cell_playback[i].first_sector && tmap_sector <= d->cur_pgc->cell_playback[i].last_sector) { cell_sector = d->cur_pgc->cell_playback[i].first_sector; break; } }
pos = ((int64_t)cell_sector)<<11; do_seek(stream, pos); do { char buf[2048]; if (dvd_read_sector(stream, stream->priv, buf) < 0) // skip break; t = mp_dvdtimetomsec(&d->dsi_pack.dsi_gi.c_eltm); } while(!t); tm = dvd_get_current_time(stream, -1);
pos = ((int64_t)tmap_sector)<<11; do_seek(stream, pos); //now get current time in terms of the cell+cell time offset memset(&d->dsi_pack.dsi_gi.c_eltm, 0, sizeof(dvd_time_t)); while(tm <= sec) { char buf[2048]; if (dvd_read_sector(stream, stream->priv, buf) < 0) // skip break; pos += 2048; tm = dvd_get_current_time(stream, -1); }; tmap_sector = pos >> 11;
//search closest VOBU sector k=(vts_file->vts_vobu_admap->last_byte + 1 - VOBU_ADMAP_SIZE)/4; //entries in the vobu admap for(i=1; i<k; i++) { if(vts_file->vts_vobu_admap->vobu_start_sectors[i] > tmap_sector) break; } vobu_sector = vts_file->vts_vobu_admap->vobu_start_sectors[i-1]; pos = ((int64_t)vobu_sector) << 11; do_seek(stream, pos);
return 1;}
static int control(stream_t *stream,int cmd,void* arg){ dvd_priv_t *d = stream->priv; switch(cmd) { case STREAM_CTRL_GET_TIME_LENGTH: { *((double *)arg) = (double) mp_get_titleset_length(d->vts_file, d->tt_srpt, d->cur_title)/1000.0; return 1; } case STREAM_CTRL_GET_NUM_TITLES: { *((unsigned int *)arg) = d->vmg_file->tt_srpt->nr_of_srpts; return 1; } case STREAM_CTRL_GET_TITLE_LENGTH: { int t = *(double *)arg; if (t < 0 || t >= d->vmg_file->tt_srpt->nr_of_srpts) break; if (d->tt_srpt->title[t].title_set_nr != d->tt_srpt->title[d->dvd_title].title_set_nr) break; *(double *)arg = mp_get_titleset_length(d->vts_file, d->tt_srpt, t) / 1000.0; return 1; } case STREAM_CTRL_GET_NUM_CHAPTERS: { int r; r = get_num_chapter(d->vts_file, d->tt_srpt, d->cur_title); if(! r) return STREAM_UNSUPPORTED; *((unsigned int *)arg) = r; return 1; } case STREAM_CTRL_GET_CHAPTER_TIME: { int r; r = get_chapter_time(d->vts_file, d->tt_srpt, d->cur_title, (double *)arg); if(! r) return STREAM_UNSUPPORTED; return 1; } case STREAM_CTRL_GET_CURRENT_TITLE: { *((unsigned int *)arg) = d->cur_title; return 1; } case STREAM_CTRL_GET_CURRENT_TIME: { double tm; tm = dvd_get_current_time(stream, -1); if(tm != -1) { *((double *)arg) = tm; return 1; } break; } case STREAM_CTRL_SEEK_TO_TIME: { if(dvd_seek_to_time(stream, d->vts_file, *((double*)arg))) return 1; break; } case STREAM_CTRL_GET_ASPECT_RATIO: { *((double *)arg) = !d->vts_file->vtsi_mat->vts_video_attr.display_aspect_ratio ? 4.0/3.0 : 16.0/9.0; return 1; } case STREAM_CTRL_GET_NUM_ANGLES: { *((int *)arg) = d->vmg_file->tt_srpt->title[d->dvd_title].nr_of_angles; return 1; } case STREAM_CTRL_GET_ANGLE: { *((int *)arg) = d->dvd_angle; return 1; } case STREAM_CTRL_SET_ANGLE: { int ang = *((int *)arg); if(ang>d->vmg_file->tt_srpt->title[d->dvd_title].nr_of_angles || ang<=0) break; d->dvd_angle = ang; d->angle_seek = 1; return 1; } case STREAM_CTRL_GET_LANG: { struct stream_lang_req *req = arg; int lang = 0; switch(req->type) { case STREAM_AUDIO: lang = dvd_lang_from_aid(stream, req->id); break; case STREAM_SUB: lang = dvd_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 = dvd_number_of_subs(stream); memcpy(req->palette, d->cur_pgc->palette, sizeof(req->palette)); return STREAM_OK; } case STREAM_CTRL_GET_DISC_NAME: { char buffer[128]; if (DVDUDFVolumeInfo(d->dvd, buffer, sizeof(buffer), NULL, 0) < 0 && DVDISOVolumeInfo(d->dvd, buffer, sizeof(buffer), NULL, 0) < 0) break; if (!buffer[0]) break; *(char**)arg = talloc_strdup(NULL, buffer); return STREAM_OK; } case STREAM_CTRL_GET_SIZE: *(int64_t *)arg = (d->cur_pgc->cell_playback[d->last_cell-1].last_sector)*2048LL; return STREAM_OK; } return STREAM_UNSUPPORTED;}
static int open_s_internal(stream_t *stream){ int k; dvd_priv_t *d = stream->priv;
struct dvd_opts *opts = mp_get_config_group(stream, stream->global, &dvd_conf);
d->dvd_angle = opts->angle;
MP_VERBOSE(stream, "URL: %s\n", stream->url); d->dvd_title = d->cfg_title + 1; if(1){ //int ret,ret2; int ttn,pgc_id,pgn; dvd_reader_t *dvd; dvd_file_t *title; ifo_handle_t *vmg_file; tt_srpt_t *tt_srpt; ifo_handle_t *vts_file; pgc_t *pgc; /** * Open the disc. */ if(d->cfg_device && d->cfg_device[0]) d->dvd_device_current = d->cfg_device; else if(opts->device && opts->device[0]) d->dvd_device_current = talloc_strdup(stream, opts->device); else d->dvd_device_current = DEFAULT_DVD_DEVICE; d->dvd_speed = opts->speed; dvd_set_speed(stream,d->dvd_device_current, d->dvd_speed);#if defined(__APPLE__) || defined(__DARWIN__) /* Dynamic DVD drive selection on Darwin */ if(!strcmp(d->dvd_device_current, "/dev/rdiskN")) { int i; size_t len = strlen(d->dvd_device_current)+1; char *temp_device = malloc(len);
for (i = 1; i < 10; i++) { snprintf(temp_device, len, "/dev/rdisk%d", i); dvd = DVDOpen(temp_device); if(!dvd) { MP_ERR(stream, "Couldn't open DVD device: %s (%s)\n",temp_device, mp_strerror(errno)); } else {#if DVDREAD_VERSION <= LIBDVDREAD_VERSION(0,9,4) dvd_file_t *dvdfile = DVDOpenFile(dvd,d->dvd_title,DVD_READ_INFO_FILE); if(!dvdfile) { MP_ERR(stream, "Couldn't open DVD device: %s (%s)\n",temp_device, mp_strerror(errno)); DVDClose(dvd); continue; } DVDCloseFile(dvdfile);#endif break; } } free(temp_device);
if(!dvd) { return STREAM_UNSUPPORTED; } } else#endif /* defined(__APPLE__) || defined(__DARWIN__) */ { dvd = DVDOpen(d->dvd_device_current); if(!dvd) { MP_ERR(stream, "Couldn't open DVD device: %s (%s)\n", d->dvd_device_current, mp_strerror(errno)); return STREAM_UNSUPPORTED; } }
MP_VERBOSE(stream, "Reading disc structure, please wait...\n");
/** * Load the video manager to find out the information about the titles on * this disc. */ vmg_file = ifoOpen(dvd, 0); if(!vmg_file) { MP_ERR(stream, "Can't open VMG info!\n"); DVDClose( dvd ); return STREAM_UNSUPPORTED; } tt_srpt = vmg_file->tt_srpt; /** * Make sure our title number is valid. */ MP_INFO(stream, "There are %d titles on this DVD.\n", tt_srpt->nr_of_srpts ); if(d->dvd_title < 1 || d->dvd_title > tt_srpt->nr_of_srpts) { MP_ERR(stream, "Invalid DVD title number: %d\n", d->dvd_title); ifoClose( vmg_file ); DVDClose( dvd ); return STREAM_UNSUPPORTED; } --(d->dvd_title); // remap 1.. -> 0.. /** * Make sure the angle number is valid for this title. */ MP_INFO(stream, "There are %d angles in this DVD title.\n", tt_srpt->title[d->dvd_title].nr_of_angles); if(d->dvd_angle<1 || d->dvd_angle>tt_srpt->title[d->dvd_title].nr_of_angles) { MP_ERR(stream, "Invalid DVD angle number: %d\n", d->dvd_angle); goto fail; }
ttn = tt_srpt->title[d->dvd_title].vts_ttn - 1; /** * Load the VTS information for the title set our title is in. */ vts_file = ifoOpen( dvd, tt_srpt->title[d->dvd_title].title_set_nr ); if(!vts_file) { MP_ERR(stream, "Cannot open the IFO file for DVD title %d.\n", tt_srpt->title[d->dvd_title].title_set_nr ); goto fail; } /** * We've got enough info, time to open the title set data. */ title = DVDOpenFile(dvd, tt_srpt->title[d->dvd_title].title_set_nr, DVD_READ_TITLE_VOBS); if(!title) { MP_ERR(stream, "Cannot open title VOBS (VTS_%02d_1.VOB).\n", tt_srpt->title[d->dvd_title].title_set_nr); ifoClose( vts_file ); goto fail; }
MP_VERBOSE(stream, "DVD successfully opened.\n"); // store data d->dvd=dvd; d->title=title; d->vmg_file=vmg_file; d->tt_srpt=tt_srpt; d->vts_file=vts_file; d->cur_title = d->dvd_title;
pgc_id = vts_file->vts_ptt_srpt->title[ttn].ptt[0].pgcn; // local pgn = vts_file->vts_ptt_srpt->title[ttn].ptt[0].pgn; // local pgc = vts_file->vts_pgcit ? vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc : NULL; /** * Check number of audio channels and types */ { d->nr_of_channels=0; if(vts_file->vts_pgcit) { int i; for(i=0;i<8;i++) if(pgc->audio_control[i] & 0x8000) { audio_attr_t * audio = &vts_file->vtsi_mat->vts_audio_attr[i]; int language = 0; char tmp[] = "unknown"; stream_language_t *audio_stream = &d->audio_streams[d->nr_of_channels];
if(audio->lang_type == 1) { language=audio->lang_code; tmp[0]=language>>8; tmp[1]=language&0xff; tmp[2]=0; }
audio_stream->language=language; audio_stream->id=pgc->audio_control[i] >> 8 & 7; switch(audio->audio_format) { case 0: // ac3 audio_stream->id+=FIRST_AC3_AID; break; case 6: // dts audio_stream->id+=FIRST_DTS_AID; break; case 2: // mpeg layer 1/2/3 case 3: // mpeg2 ext audio_stream->id+=FIRST_MPG_AID; break; case 4: // lpcm audio_stream->id+=FIRST_PCM_AID; break; }
audio_stream->type=audio->audio_format; // Pontscho: to my mind, tha channels: // 1 - stereo // 5 - 5.1 audio_stream->channels=audio->channels; MP_INFO(stream, "audio stream: %d format: %s (%s) language: %s aid: %d.\n", d->nr_of_channels, dvd_audio_stream_types[ audio->audio_format ], dvd_audio_stream_channels[ audio->channels ], tmp, audio_stream->id );
d->nr_of_channels++; } } MP_INFO(stream, "number of audio channels on disk: %d.\n",d->nr_of_channels ); }
/** * Check number of subtitles and language */ { int i;
d->nr_of_subtitles=0; for(i=0;i<32;i++) if(pgc->subp_control[i] & 0x80000000) { subp_attr_t * subtitle = &vts_file->vtsi_mat->vts_subp_attr[i]; video_attr_t *video = &vts_file->vtsi_mat->vts_video_attr; int language = 0; char tmp[] = "unknown"; stream_language_t *sub_stream = &d->subtitles[d->nr_of_subtitles];
if(subtitle->type == 1) { language=subtitle->lang_code; tmp[0]=language>>8; tmp[1]=language&0xff; tmp[2]=0; }
sub_stream->language=language; sub_stream->id=d->nr_of_subtitles; if(video->display_aspect_ratio == 0) /* 4:3 */ sub_stream->id = pgc->subp_control[i] >> 24 & 31; else if(video->display_aspect_ratio == 3) /* 16:9 */ sub_stream->id = pgc->subp_control[i] >> 8 & 31;
MP_INFO(stream, "subtitle ( sid ): %d language: %s\n", sub_stream->id, tmp); d->nr_of_subtitles++; } MP_INFO(stream, "number of subtitles on disk: %d\n",d->nr_of_subtitles); }
/** * Determine which program chain we want to watch. This is based on the * chapter number. */ d->cur_pgc_idx = pgc_id-1; d->cur_pgc = vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc; d->cur_cell = d->cur_pgc->program_map[pgn-1] - 1; // start playback here d->packs_left=-1; // for Navi stuff d->angle_seek=0; d->last_cell=d->cur_pgc->nr_of_cells;
if(d->cur_pgc->cell_playback[d->cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK ) d->cur_cell+=d->dvd_angle-1; d->cur_pack = d->cur_pgc->cell_playback[ d->cur_cell ].first_sector; d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector; MP_VERBOSE(stream, "DVD start cell: %d pack: 0x%X-0x%X \n",d->cur_cell,d->cur_pack,d->cell_last_pack);
//assign cell_times_table d->cell_times_table = malloc(sizeof(unsigned int) * d->cur_pgc->nr_of_cells); if(d->cell_times_table == NULL) return STREAM_UNSUPPORTED; for(k=0; k<d->cur_pgc->nr_of_cells; k++) d->cell_times_table[k] = mp_dvdtimetomsec(&d->cur_pgc->cell_playback[k].playback_time); list_chapters(stream, vts_file,tt_srpt,d->dvd_title);
// ... (unimplemented) // return NULL; stream->demuxer = "+disc"; stream->lavf_type = "mpeg"; stream->sector_size = 2048; stream->fill_buffer = fill_buffer; stream->control = control; stream->close = stream_dvd_close; MP_VERBOSE(stream, "DVD start=%d end=%d \n",d->cur_pack,d->cur_pgc->cell_playback[d->last_cell-1].last_sector); stream->priv = (void*)d; return STREAM_OK;
fail: ifoClose(vmg_file); DVDClose(dvd); return STREAM_UNSUPPORTED; } MP_ERR(stream, "mpv was compiled without DVD support, exiting.\n"); return STREAM_UNSUPPORTED;}
static int open_s(stream_t *stream){ dvd_priv_t *d = talloc_zero(stream, dvd_priv_t); stream->priv = d;
bstr title, bdevice; bstr_split_tok(bstr0(stream->path), "/", &title, &bdevice);
if (title.len) { bstr rest; d->cfg_title = bstrtoll(title, &rest, 10); if (rest.len) { MP_ERR(stream, "number expected: '%.*s'\n", BSTR_P(rest)); return STREAM_ERROR; } }
d->cfg_device = bstrto0(d, bdevice);
return open_s_internal(stream);}
static int ifo_stream_open(stream_t *stream){ dvd_priv_t *priv = talloc_zero(stream, dvd_priv_t); stream->priv = priv;
if (!stream->access_references) goto unsupported;
char *path = mp_file_get_path(priv, bstr0(stream->url)); if (!path) goto unsupported;
if (!dvd_probe(path, ".ifo", "DVDVIDEO-VTS")) goto unsupported;
char *base = mp_basename(path);
// Only accept individual titles - use dvdnav for video_ts.ifo if (strncasecmp(base, "vts_", 4)) goto unsupported;
if (sscanf(base + 3, "_%02d_", &priv->cfg_title) != 1) goto unsupported;
priv->cfg_device = bstrto0(priv, mp_dirname(path));
MP_INFO(stream, ".IFO detected. Redirecting to dvdread://\n"); return open_s_internal(stream);
unsupported: talloc_free(priv); stream->priv = NULL; return STREAM_UNSUPPORTED;}
const stream_info_t stream_info_dvd = { .name = "dvd", .open = open_s, .protocols = (const char*const[]){ "dvdread", NULL },};
const stream_info_t stream_info_ifo = { .name = "ifo", .open = ifo_stream_open, .protocols = (const char*const[]){ "file", "", NULL },};