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🎥 Command line media player
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#include <libavutil/common.h>
#include "config.h"
#if !HAVE_GPL#error GPL only#endif
#include <stdlib.h>#include <stdio.h>#include <unistd.h>#include <string.h>#include <strings.h>#include <errno.h>#include <assert.h>
#include <dvdnav/dvdnav.h>
#include "osdep/io.h"
#include "options/options.h"#include "common/msg.h"#include "input/input.h"#include "options/m_config.h"#include "options/path.h"#include "osdep/timer.h"#include "stream.h"#include "demux/demux.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; bool had_initial_vts;
int dvd_speed;
int track; char *device;
struct dvd_opts *opts;};
#define DNE(e) [e] = # estatic 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),};
#define LOOKUP_NAME(array, i) \ (((i) >= 0 && (i) < MP_ARRAY_SIZE(array)) ? array[(i)] : "?")
/** * \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 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) { 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); } switch (event) { case DVDNAV_BLOCK_OK: return len; case DVDNAV_STOP: 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_skip(dvdnav); return 0; case DVDNAV_WAIT: dvdnav_wait_skip(dvdnav); return 0; case DVDNAV_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; } if (dvdnav_current_title_info(dvdnav, &tit, &part) == DVDNAV_STATUS_OK) { MP_VERBOSE(s, "DVDNAV, NEW TITLE %d\n", tit); if (priv->title > 0 && tit != priv->title) MP_WARN(s, "Requested title not found\n"); } break; } case DVDNAV_CELL_CHANGE: { dvdnav_cell_change_event_t *ev = (dvdnav_cell_change_event_t *)buf;
if (ev->pgc_length) priv->duration = ev->pgc_length / 90;
break; } case DVDNAV_SPU_CLUT_CHANGE: { memcpy(priv->spu_clut, buf, 16 * sizeof(uint32_t)); priv->spu_clut_valid = true; 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 + 1 > n) break; *ch = chapter > 0 ? parts[chapter - 1] / 90000.0 : 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_TITLE_LENGTH: { int t = *(double *)arg; int32_t num_titles = 0; if (dvdnav_get_number_of_titles(dvdnav, &num_titles) != DVDNAV_STATUS_OK) break; if (t < 0 || t >= num_titles) break; uint64_t duration = 0; uint64_t *parts = NULL; dvdnav_describe_title_chapters(dvdnav, t + 1, &parts, &duration); if (!parts) break; free(parts); *(double *)arg = duration / 90000.0; 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 *args = arg; double d = args[0]; // absolute target timestamp int flags = args[1]; // from SEEK_* flags (demux.h) if (flags & SEEK_HR) d -= 10; // fudge offset; it's a hack, because fuck libdvd* int64_t tm = (int64_t)(d * 90000); if (tm < 0) tm = 0; if (priv->duration && tm >= (priv->duration * 90)) tm = priv->duration * 90 - 1; uint32_t pos, len; if (dvdnav_get_position(dvdnav, &pos, &len) != DVDNAV_STATUS_OK) break; 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); if (dvdnav_get_position(dvdnav, &pos, &len) == DVDNAV_STATUS_OK) MP_VERBOSE(stream, "block: %lu\n", (unsigned long)pos); 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_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 = priv->opts->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_internal(stream_t *stream){ struct priv *priv, *p; priv = p = stream->priv; char *filename;
p->opts = mp_get_config_group(stream, stream->global, &dvd_conf);
if (p->device && p->device[0]) filename = p->device; else if (p->opts->device && p->opts->device[0]) filename = p->opts->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) { MP_VERBOSE(stream, "List of available titles:\n"); 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; } if (duration > 90000) { // arbitrarily ignore <1s titles char *time = mp_format_time(duration / 90000, false); MP_VERBOSE(stream, "title: %3d duration: %s\n", n - 1, time); talloc_free(time); } 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 { MP_FATAL(stream, "DVD menu support has been removed.\n"); return STREAM_ERROR; } if (p->opts->angle > 1) dvdnav_angle_change(priv->dvdnav, p->opts->angle);
stream->sector_size = 2048; stream->fill_buffer = fill_buffer; stream->control = control; stream->close = stream_dvdnav_close; stream->demuxer = "+disc"; stream->lavf_type = "mpeg"; stream->allow_caching = false;
return STREAM_OK;}
static int open_s(stream_t *stream){ struct priv *priv = talloc_zero(stream, struct priv); stream->priv = priv;
bstr title, bdevice; bstr_split_tok(bstr0(stream->path), "/", &title, &bdevice);
priv->track = TITLE_LONGEST;
if (bstr_equals0(title, "longest") || bstr_equals0(title, "first")) { priv->track = TITLE_LONGEST; } else if (bstr_equals0(title, "menu")) { priv->track = TITLE_MENU; } else if (title.len) { bstr rest; priv->track = bstrtoll(title, &rest, 10); if (rest.len) { MP_ERR(stream, "number expected: '%.*s'\n", BSTR_P(rest)); return STREAM_ERROR; } }
priv->device = bstrto0(priv, bdevice);
return open_s_internal(stream);}
const stream_info_t stream_info_dvdnav = { .name = "dvdnav", .open = open_s, .protocols = (const char*const[]){ "dvd", "dvdnav", NULL },};
static bool check_ifo(const char *path){ if (strcasecmp(mp_basename(path), "video_ts.ifo")) return false;
return dvd_probe(path, ".ifo", "DVDVIDEO-VMG");}
static int ifo_dvdnav_stream_open(stream_t *stream){ struct priv *priv = talloc_zero(stream, struct priv); stream->priv = priv;
if (!stream->access_references) goto unsupported;
priv->track = TITLE_LONGEST;
char *path = mp_file_get_path(priv, bstr0(stream->url)); if (!path) goto unsupported;
// We allow the path to point to a directory containing VIDEO_TS/, a // directory containing VIDEO_TS.IFO, or that file itself. if (!check_ifo(path)) { // On UNIX, just assume the filename is always uppercase. char *npath = mp_path_join(priv, path, "VIDEO_TS.IFO"); if (!check_ifo(npath)) { npath = mp_path_join(priv, path, "VIDEO_TS/VIDEO_TS.IFO"); if (!check_ifo(npath)) goto unsupported; } path = npath; }
priv->device = bstrto0(priv, mp_dirname(path));
MP_INFO(stream, ".IFO detected. Redirecting to dvd://\n"); return open_s_internal(stream);
unsupported: talloc_free(priv); stream->priv = NULL; return STREAM_UNSUPPORTED;}
const stream_info_t stream_info_ifo_dvdnav = { .name = "ifo_dvdnav", .open = ifo_dvdnav_stream_open, .protocols = (const char*const[]){ "file", "", NULL },};