diff options
Diffstat (limited to 'libavformat')
-rw-r--r-- | libavformat/mov.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index 40666c167e..4370b48bc5 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2283,7 +2283,8 @@ static void mov_read_chapters(AVFormatContext *s) AVStream *st = NULL; MOVStreamContext *sc; int64_t cur_pos; - int i; + uint8_t *title = NULL; + int i, len, i8, i16; for (i = 0; i < s->nb_streams; i++) if (s->streams[i]->id == mov->chapter_track) { @@ -2302,33 +2303,43 @@ static void mov_read_chapters(AVFormatContext *s) for (i = 0; i < st->nb_index_entries; i++) { AVIndexEntry *sample = &st->index_entries[i]; int64_t end = i+1 < st->nb_index_entries ? st->index_entries[i+1].timestamp : st->duration; - uint8_t title[512]; - uint16_t ch; - int len; if (url_fseek(sc->pb, sample->pos, SEEK_SET) != sample->pos) { av_log(s, AV_LOG_ERROR, "Chapter %d not found in file\n", i); goto finish; } + title = av_malloc(sample->size+2); + get_buffer(sc->pb, title, sample->size); + // the first two bytes are the length of the title - len = get_be16(sc->pb); + len = AV_RB16(title); if (len > sample->size-2) continue; // The samples could theoretically be in any encoding if there's an encd // atom following, but in practice are only utf-8 or utf-16, distinguished // instead by the presence of a BOM - if ((ch = get_be16(sc->pb)) == 0xfeff) - avio_get_str16be(sc->pb, len, title, sizeof(title)); - else { - AV_WB16(title, ch); - get_buffer(sc->pb, title + sizeof(ch), sizeof(title) - sizeof(ch)); + if (AV_RB16(title+2) == 0xfeff) { + uint8_t *utf8 = av_malloc(2*len+3); + + i8 = i16 = 0; + while (i16 < len) { + uint32_t ch; + uint8_t tmp; + GET_UTF16(ch, i16 < len ? AV_RB16(title + (i16+=2)) : 0, break;) + PUT_UTF8(ch, tmp, if (i8 < 2*len) utf8[2+i8++] = tmp;) + } + utf8[2+i8] = 0; + av_freep(&title); + title = utf8; } - ff_new_chapter(s, i, st->time_base, sample->timestamp, end, title); + ff_new_chapter(s, i, st->time_base, sample->timestamp, end, title+2); + av_freep(&title); } finish: + av_free(title); url_fseek(sc->pb, cur_pos, SEEK_SET); } |