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-rw-r--r--common/playlist_parser.c552
1 files changed, 0 insertions, 552 deletions
diff --git a/common/playlist_parser.c b/common/playlist_parser.c
deleted file mode 100644
index b9c40ea2a1..0000000000
--- a/common/playlist_parser.c
+++ /dev/null
@@ -1,552 +0,0 @@
-/*
- * 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.
- */
-
-/*
- * Warning: this is outdated, crappy code. It is used only for --playlist.
- * New or cleaned up code should be added to demux_playlist.c instead.
- */
-
-#include "config.h"
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <limits.h>
-
-#include "talloc.h"
-#include "asxparser.h"
-#include "playlist.h"
-#include "playlist_parser.h"
-#include "stream/stream.h"
-#include "demux/demux.h"
-#include "common/global.h"
-#include "common/msg.h"
-#include "options/path.h"
-
-
-#define BUF_STEP 1024
-
-#define WHITES " \n\r\t"
-
-typedef struct play_tree_parser {
- struct stream *stream;
- char *buffer,*iter,*line;
- int buffer_size , buffer_end;
- int keep;
- struct playlist *pl;
- struct mp_log *log;
-} play_tree_parser_t;
-
-static void
-strstrip(char* str) {
- char* i;
-
- if (str==NULL)
- return;
- for(i = str ; i[0] != '\0' && strchr(WHITES,i[0]) != NULL; i++)
- /* NOTHING */;
- if(i[0] != '\0') {
- memmove(str,i,strlen(i) + 1);
- for(i = str + strlen(str) - 1 ; strchr(WHITES,i[0]) != NULL; i--)
- /* NOTHING */;
- i[1] = '\0';
- } else
- str[0] = '\0';
-}
-
-static char*
-play_tree_parser_get_line(play_tree_parser_t* p) {
- char *end,*line_end;
- int r,resize = 0;
-
- if(p->buffer == NULL) {
- p->buffer = malloc(BUF_STEP);
- p->buffer_size = BUF_STEP;
- p->buffer[0] = 0;
- p->iter = p->buffer;
- }
-
- if(p->stream->eof && (p->buffer_end == 0 || p->iter[0] == '\0'))
- return NULL;
-
- assert(p->buffer_end < p->buffer_size);
- assert(!p->buffer[p->buffer_end]);
- while(1) {
-
- if(resize) {
- char *tmp;
- r = p->iter - p->buffer;
- end = p->buffer + p->buffer_end;
- if (p->buffer_size > INT_MAX - BUF_STEP)
- break;
- tmp = realloc(p->buffer, p->buffer_size + BUF_STEP);
- if (!tmp)
- break;
- p->buffer = tmp;
- p->iter = p->buffer + r;
- p->buffer_size += BUF_STEP;
- resize = 0;
- }
-
- if(p->buffer_size - p->buffer_end > 1 && ! p->stream->eof) {
- r = stream_read(p->stream,p->buffer + p->buffer_end,p->buffer_size - p->buffer_end - 1);
- if(r > 0) {
- p->buffer_end += r;
- assert(p->buffer_end < p->buffer_size);
- p->buffer[p->buffer_end] = '\0';
- while(strlen(p->buffer + p->buffer_end - r) != r)
- p->buffer[p->buffer_end - r + strlen(p->buffer + p->buffer_end - r)] = '\n';
- }
- assert(!p->buffer[p->buffer_end]);
- }
-
- end = strchr(p->iter,'\n');
- if(!end) {
- if(p->stream->eof) {
- end = p->buffer + p->buffer_end;
- break;
- }
- resize = 1;
- continue;
- }
- break;
- }
-
- line_end = (end > p->iter && *(end-1) == '\r') ? end-1 : end;
- if(line_end - p->iter >= 0)
- p->line = realloc(p->line, line_end - p->iter + 1);
- else
- return NULL;
- if(line_end - p->iter > 0)
- strncpy(p->line,p->iter,line_end - p->iter);
- p->line[line_end - p->iter] = '\0';
- if(end[0] != '\0')
- end++;
-
- if(!p->keep) {
- if(end[0] != '\0') {
- p->buffer_end -= end-p->iter;
- memmove(p->buffer,end,p->buffer_end);
- } else
- p->buffer_end = 0;
- p->buffer[p->buffer_end] = '\0';
- p->iter = p->buffer;
- } else
- p->iter = end;
-
- return p->line;
-}
-
-static void
-play_tree_parser_reset(play_tree_parser_t* p) {
- p->iter = p->buffer;
-}
-
-static void
-play_tree_parser_stop_keeping(play_tree_parser_t* p) {
- p->keep = 0;
- if(p->iter && p->iter != p->buffer) {
- p->buffer_end -= p->iter -p->buffer;
- if(p->buffer_end)
- memmove(p->buffer,p->iter,p->buffer_end);
- p->buffer[p->buffer_end] = 0;
- p->iter = p->buffer;
- }
-}
-
-
-static bool parse_asx(play_tree_parser_t* p) {
- int comments = 0,get_line = 1;
- char* line = NULL;
-
- MP_VERBOSE(p, "Trying asx...\n");
-
- while(1) {
- if(get_line) {
- line = play_tree_parser_get_line(p);
- if(!line)
- return false;
- strstrip(line);
- if(line[0] == '\0')
- continue;
- }
- if(!comments) {
- if(line[0] != '<') {
- MP_DBG(p, "First char isn't '<' but '%c'\n",line[0]);
- MP_TRACE(p, "Buffer = [%s]\n",p->buffer);
- return false;
- } else if(strncmp(line,"<!--",4) == 0) { // Comments
- comments = 1;
- line += 4;
- if(line[0] != '\0' && strlen(line) > 0)
- get_line = 0;
- } else if(strncasecmp(line,"<ASX",4) == 0) // We got an asx element
- break;
- else // We don't get an asx
- return false;
- } else { // Comments
- char* c;
- c = strchr(line,'-');
- if(c) {
- if (strncmp(c,"--!>",4) == 0) { // End of comments
- comments = 0;
- line = c+4;
- if(line[0] != '\0') // There is some more data on this line : keep it
- get_line = 0;
-
- } else {
- line = c+1; // Jump the -
- if(line[0] != '\0') // Some more data
- get_line = 0;
- else // End of line
- get_line = 1;
- }
- } else // No - on this line (or rest of line) : get next one
- get_line = 1;
- }
- }
-
- MP_VERBOSE(p, "Detected asx format\n");
-
- // We have an asx : load it in memory and parse
-
- while((line = play_tree_parser_get_line(p)) != NULL)
- /* NOTHING */;
-
- MP_TRACE(p, "Parsing asx file: [%s]\n",p->buffer);
- return asx_parse(p->buffer,p->pl,p->log);
-}
-
-static bool parse_smil(play_tree_parser_t* p) {
- int entrymode=0;
- char* line,source[512],*pos,*s_start,*s_end,*src_line;
- int is_rmsmil = 0;
- unsigned int npkt, ttlpkt;
-
- MP_VERBOSE(p, "Trying smil playlist...\n");
-
- // Check if smil
- while((line = play_tree_parser_get_line(p)) != NULL) {
- strstrip(line);
- if(line[0] == '\0') // Ignore empties
- continue;
- if (strncasecmp(line,"<?xml",5)==0) // smil in xml
- continue;
- if (strncasecmp(line,"<!DOCTYPE smil",13)==0) // smil in xml
- continue;
- if (strncasecmp(line,"<smil",5)==0 || strncasecmp(line,"<?wpl",5)==0 ||
- strncasecmp(line,"(smil-document",14)==0)
- break; // smil header found
- else
- return NULL; //line not smil exit
- }
-
- if (!line) return NULL;
- MP_VERBOSE(p, "Detected smi l playlist format\n");
- play_tree_parser_stop_keeping(p);
-
- if (strncasecmp(line,"(smil-document",14)==0) {
- MP_VERBOSE(p, "Special smil-over-realrtsp playlist header\n");
- is_rmsmil = 1;
- if (sscanf(line, "(smil-document (ver 1.0)(npkt %u)(ttlpkt %u", &npkt, &ttlpkt) != 2) {
- MP_WARN(p, "smil-over-realrtsp: header parsing failure, assuming single packet.\n");
- npkt = ttlpkt = 1;
- }
- if (ttlpkt == 0 || npkt > ttlpkt) {
- MP_WARN(p, "smil-over-realrtsp: bad packet counters (npkk = %u, ttlpkt = %u), assuming single packet.\n",
- npkt, ttlpkt);
- npkt = ttlpkt = 1;
- }
- }
-
- //Get entries from smil
- src_line = line;
- line = NULL;
- do {
- strstrip(src_line);
- free(line);
- line = NULL;
- /* If we're parsing smil over realrtsp and this is not the last packet and
- * this is the last line in the packet (terminating with ") ) we must get
- * the next line, strip the header, and concatenate it to the current line.
- */
- if (is_rmsmil && npkt != ttlpkt && strstr(src_line,"\")")) {
- char *payload;
-
- line = strdup(src_line);
- if(!(src_line = play_tree_parser_get_line(p))) {
- MP_WARN(p, "smil-over-realrtsp: can't get line from packet %u/%u.\n", npkt, ttlpkt);
- break;
- }
- strstrip(src_line);
- // Skip header, packet starts after "
- if(!(payload = strchr(src_line,'\"'))) {
- MP_WARN(p, "smil-over-realrtsp: can't find start of packet, using complete line.\n");
- payload = src_line;
- } else
- payload++;
- // Skip ") at the end of the last line from the current packet
- line[strlen(line)-2] = 0;
- line = realloc(line, strlen(line)+strlen(payload)+1);
- strcat (line, payload);
- npkt++;
- } else
- line = strdup(src_line);
- /* Unescape \" to " for smil-over-rtsp */
- if (is_rmsmil && line[0] != '\0') {
- int i, j;
-
- for (i = 0; i < strlen(line); i++)
- if (line[i] == '\\' && line[i+1] == '"')
- for (j = i; line[j]; j++)
- line[j] = line[j+1];
- }
- pos = line;
- while (pos) {
- if (!entrymode) { // all entries filled so far
- while ((pos=strchr(pos, '<'))) {
- if (strncasecmp(pos,"<video",6)==0 || strncasecmp(pos,"<audio",6)==0 || strncasecmp(pos,"<media",6)==0) {
- entrymode=1;
- break; // Got a valid tag, exit '<' search loop
- }
- pos++;
- }
- }
- if (entrymode) { //Entry found but not yet filled
- pos = strstr(pos,"src="); // Is source present on this line
- if (pos != NULL) {
- entrymode=0;
- if (pos[4] != '"' && pos[4] != '\'') {
- MP_VERBOSE(p, "Unknown delimiter %c in source line %s\n", pos[4], line);
- break;
- }
- s_start=pos+5;
- s_end=strchr(s_start,pos[4]);
- if (s_end == NULL) {
- MP_VERBOSE(p, "Error parsing this source line %s\n",line);
- break;
- }
- if (s_end-s_start> 511) {
- MP_VERBOSE(p, "Cannot store such a large source %s\n",line);
- break;
- }
- strncpy(source,s_start,s_end-s_start);
- source[(s_end-s_start)]='\0'; // Null terminate
- playlist_add_file(p->pl, source);
- pos = s_end;
- }
- }
- }
- } while((src_line = play_tree_parser_get_line(p)) != NULL);
-
- free(line);
- return true;
-}
-
-/**
- * \brief decode the base64 used in nsc files
- * \param in input string, 0-terminated
- * \param buf output buffer, must point to memory suitable for realloc,
- * will be NULL on failure.
- * \return decoded length in bytes
- */
-static int decode_nsc_base64(struct mp_log *log, char *in, char **buf) {
- int i, j, n;
- if (in[0] != '0' || in[1] != '2')
- goto err_out;
- in += 2; // skip prefix
- if (strlen(in) < 16) // error out if nothing to decode
- goto err_out;
- in += 12; // skip encoded string length
- n = strlen(in) / 4;
- *buf = realloc(*buf, n * 3);
- for (i = 0; i < n; i++) {
- uint8_t c[4];
- for (j = 0; j < 4; j++) {
- c[j] = in[4 * i + j];
- if (c[j] >= '0' && c[j] <= '9') c[j] += 0 - '0';
- else if (c[j] >= 'A' && c[j] <= 'Z') c[j] += 10 - 'A';
- else if (c[j] >= 'a' && c[j] <= 'z') c[j] += 36 - 'a';
- else if (c[j] == '{') c[j] = 62;
- else if (c[j] == '}') c[j] = 63;
- else {
- mp_err(log, "Invalid character %c (0x%02"PRIx8")\n", c[j], c[j]);
- goto err_out;
- }
- }
- (*buf)[3 * i] = (c[0] << 2) | (c[1] >> 4);
- (*buf)[3 * i + 1] = (c[1] << 4) | (c[2] >> 2);
- (*buf)[3 * i + 2] = (c[2] << 6) | c[3];
- }
- return 3 * n;
-err_out:
- free(*buf);
- *buf = NULL;
- return 0;
-}
-
-/**
- * \brief "converts" utf16 to ascii by just discarding every second byte
- * \param buf buffer to convert
- * \param len lenght of buffer, must be > 0
- */
-static void utf16_to_ascii(char *buf, int len) {
- int i;
- if (len <= 0) return;
- for (i = 0; i < len / 2; i++)
- buf[i] = buf[i * 2];
- buf[i] = 0; // just in case
-}
-
-static bool parse_nsc(play_tree_parser_t* p) {
- char *line, *addr = NULL, *url, *unicast_url = NULL;
- int port = 0;
-
- MP_VERBOSE(p, "Trying nsc playlist...\n");
- while((line = play_tree_parser_get_line(p)) != NULL) {
- strstrip(line);
- if(!line[0]) // Ignore empties
- continue;
- if (strncasecmp(line,"[Address]", 9) == 0)
- break; // nsc header found
- else
- return false;
- }
- MP_VERBOSE(p, "Detected nsc playlist format\n");
- play_tree_parser_stop_keeping(p);
- while ((line = play_tree_parser_get_line(p)) != NULL) {
- strstrip(line);
- if (!line[0])
- continue;
- if (strncasecmp(line, "Unicast URL=", 12) == 0) {
- int len = decode_nsc_base64(p->log, &line[12], &unicast_url);
- if (len <= 0)
- MP_WARN(p, "[nsc] Unsupported Unicast URL encoding\n");
- else
- utf16_to_ascii(unicast_url, len);
- } else if (strncasecmp(line, "IP Address=", 11) == 0) {
- int len = decode_nsc_base64(p->log, &line[11], &addr);
- if (len <= 0)
- MP_WARN(p, "[nsc] Unsupported IP Address encoding\n");
- else
- utf16_to_ascii(addr, len);
- } else if (strncasecmp(line, "IP Port=", 8) == 0) {
- port = strtol(&line[8], NULL, 0);
- }
- }
-
- bool success = false;
-
- if (unicast_url)
- url = strdup(unicast_url);
- else if (addr && port) {
- url = malloc(strlen(addr) + 7 + 20 + 1);
- sprintf(url, "http://%s:%i", addr, port);
- } else
- goto err_out;
-
- playlist_add_file(p->pl, url);
- free(url);
- success = true;
-err_out:
- free(addr);
- free(unicast_url);
- return success;
-}
-
-static struct playlist *do_parse(struct stream* stream, bool forced,
- struct mp_log *log, struct mpv_global *global);
-
-struct playlist *playlist_parse_file(const char *file, struct mpv_global *global)
-{
- struct mp_log *log = mp_log_new(NULL, global->log, "!playlist_parser");
- struct playlist *ret = NULL;
- stream_t *stream = stream_open(file, global);
- if(!stream) {
- mp_err(log, "Error while opening playlist file %s: %s\n",
- file, strerror(errno));
- goto done;
- }
-
- mp_verbose(log, "Parsing playlist file %s...\n", file);
-
- ret = do_parse(stream, true, log, global);
- free_stream(stream);
-
- if (ret)
- playlist_add_base_path(ret, mp_dirname(file));
-
-done:
- talloc_free(log);
- return ret;
-}
-
-typedef bool (*parser_fn)(play_tree_parser_t *);
-static const parser_fn pl_parsers[] = {
- parse_asx,
- parse_smil,
- parse_nsc,
-};
-
-
-static struct playlist *do_parse(struct stream* stream, bool forced,
- struct mp_log *log, struct mpv_global *global)
-{
- play_tree_parser_t p = {
- .stream = stream,
- .pl = talloc_zero(NULL, struct playlist),
- .keep = 1,
- .log = log,
- };
-
- bool success = false;
- if (play_tree_parser_get_line(&p) != NULL) {
- for (int n = 0; n < sizeof(pl_parsers) / sizeof(pl_parsers[0]); n++) {
- play_tree_parser_reset(&p);
- if (pl_parsers[n](&p)) {
- success = true;
- break;
- }
- }
- }
- struct demuxer *pl_demux = demux_open(stream, "playlist", NULL, global);
- if (!success && pl_demux && pl_demux->playlist) {
- playlist_transfer_entries(p.pl, pl_demux->playlist);
- success = true;
- }
- free_demuxer(pl_demux);
-
- if(success)
- mp_verbose(log, "Playlist successfully parsed\n");
- else {
- mp_msg(log,((forced==1)?MSGL_ERR:MSGL_V),"Error while parsing playlist\n");
- talloc_free(p.pl);
- p.pl = NULL;
- }
-
- if (p.pl && !p.pl->first)
- mp_msg(log, ((forced==1)?MSGL_WARN:MSGL_V),"Warning: empty playlist\n");
-
- return p.pl;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 10:42:05 +0000