|
|
|
@ -5075,94 +5075,94 @@ static void mov_read_chapters(AVFormatContext *s) |
|
|
|
|
int chapter_track; |
|
|
|
|
|
|
|
|
|
for (j = 0; j < mov->nb_chapter_tracks; j++) { |
|
|
|
|
chapter_track = mov->chapter_tracks[j]; |
|
|
|
|
st = NULL; |
|
|
|
|
for (i = 0; i < s->nb_streams; i++) |
|
|
|
|
if (s->streams[i]->id == chapter_track) { |
|
|
|
|
st = s->streams[i]; |
|
|
|
|
break; |
|
|
|
|
chapter_track = mov->chapter_tracks[j]; |
|
|
|
|
st = NULL; |
|
|
|
|
for (i = 0; i < s->nb_streams; i++) |
|
|
|
|
if (s->streams[i]->id == chapter_track) { |
|
|
|
|
st = s->streams[i]; |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
if (!st) { |
|
|
|
|
av_log(s, AV_LOG_ERROR, "Referenced QT chapter track not found\n"); |
|
|
|
|
continue; |
|
|
|
|
} |
|
|
|
|
if (!st) { |
|
|
|
|
av_log(s, AV_LOG_ERROR, "Referenced QT chapter track not found\n"); |
|
|
|
|
continue; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
sc = st->priv_data; |
|
|
|
|
cur_pos = avio_tell(sc->pb); |
|
|
|
|
sc = st->priv_data; |
|
|
|
|
cur_pos = avio_tell(sc->pb); |
|
|
|
|
|
|
|
|
|
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
|
|
|
st->disposition |= AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS; |
|
|
|
|
if (st->nb_index_entries) { |
|
|
|
|
// Retrieve the first frame, if possible
|
|
|
|
|
AVPacket pkt; |
|
|
|
|
AVIndexEntry *sample = &st->index_entries[0]; |
|
|
|
|
if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) { |
|
|
|
|
av_log(s, AV_LOG_ERROR, "Failed to retrieve first frame\n"); |
|
|
|
|
goto finish; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
|
|
|
st->disposition |= AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS; |
|
|
|
|
if (st->nb_index_entries) { |
|
|
|
|
// Retrieve the first frame, if possible
|
|
|
|
|
AVPacket pkt; |
|
|
|
|
AVIndexEntry *sample = &st->index_entries[0]; |
|
|
|
|
if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) { |
|
|
|
|
av_log(s, AV_LOG_ERROR, "Failed to retrieve first frame\n"); |
|
|
|
|
goto finish; |
|
|
|
|
} |
|
|
|
|
if (av_get_packet(sc->pb, &pkt, sample->size) < 0) |
|
|
|
|
goto finish; |
|
|
|
|
|
|
|
|
|
if (av_get_packet(sc->pb, &pkt, sample->size) < 0) |
|
|
|
|
goto finish; |
|
|
|
|
st->attached_pic = pkt; |
|
|
|
|
st->attached_pic.stream_index = st->index; |
|
|
|
|
st->attached_pic.flags |= AV_PKT_FLAG_KEY; |
|
|
|
|
} |
|
|
|
|
} else { |
|
|
|
|
st->codecpar->codec_type = AVMEDIA_TYPE_DATA; |
|
|
|
|
st->codecpar->codec_id = AV_CODEC_ID_BIN_DATA; |
|
|
|
|
st->discard = AVDISCARD_ALL; |
|
|
|
|
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; |
|
|
|
|
uint16_t ch; |
|
|
|
|
int len, title_len; |
|
|
|
|
|
|
|
|
|
if (end < sample->timestamp) { |
|
|
|
|
av_log(s, AV_LOG_WARNING, "ignoring stream duration which is shorter than chapters\n"); |
|
|
|
|
end = AV_NOPTS_VALUE; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
st->attached_pic = pkt; |
|
|
|
|
st->attached_pic.stream_index = st->index; |
|
|
|
|
st->attached_pic.flags |= AV_PKT_FLAG_KEY; |
|
|
|
|
} |
|
|
|
|
} else { |
|
|
|
|
st->codecpar->codec_type = AVMEDIA_TYPE_DATA; |
|
|
|
|
st->codecpar->codec_id = AV_CODEC_ID_BIN_DATA; |
|
|
|
|
st->discard = AVDISCARD_ALL; |
|
|
|
|
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; |
|
|
|
|
uint16_t ch; |
|
|
|
|
int len, title_len; |
|
|
|
|
|
|
|
|
|
if (end < sample->timestamp) { |
|
|
|
|
av_log(s, AV_LOG_WARNING, "ignoring stream duration which is shorter than chapters\n"); |
|
|
|
|
end = AV_NOPTS_VALUE; |
|
|
|
|
} |
|
|
|
|
if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) { |
|
|
|
|
av_log(s, AV_LOG_ERROR, "Chapter %d not found in file\n", i); |
|
|
|
|
goto finish; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) { |
|
|
|
|
av_log(s, AV_LOG_ERROR, "Chapter %d not found in file\n", i); |
|
|
|
|
goto finish; |
|
|
|
|
} |
|
|
|
|
// the first two bytes are the length of the title
|
|
|
|
|
len = avio_rb16(sc->pb); |
|
|
|
|
if (len > sample->size-2) |
|
|
|
|
continue; |
|
|
|
|
title_len = 2*len + 1; |
|
|
|
|
if (!(title = av_mallocz(title_len))) |
|
|
|
|
goto finish; |
|
|
|
|
|
|
|
|
|
// 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 (!len) { |
|
|
|
|
title[0] = 0; |
|
|
|
|
} else { |
|
|
|
|
ch = avio_rb16(sc->pb); |
|
|
|
|
if (ch == 0xfeff) |
|
|
|
|
avio_get_str16be(sc->pb, len, title, title_len); |
|
|
|
|
else if (ch == 0xfffe) |
|
|
|
|
avio_get_str16le(sc->pb, len, title, title_len); |
|
|
|
|
else { |
|
|
|
|
AV_WB16(title, ch); |
|
|
|
|
if (len == 1 || len == 2) |
|
|
|
|
title[len] = 0; |
|
|
|
|
else |
|
|
|
|
avio_get_str(sc->pb, INT_MAX, title + 2, len - 1); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// the first two bytes are the length of the title
|
|
|
|
|
len = avio_rb16(sc->pb); |
|
|
|
|
if (len > sample->size-2) |
|
|
|
|
continue; |
|
|
|
|
title_len = 2*len + 1; |
|
|
|
|
if (!(title = av_mallocz(title_len))) |
|
|
|
|
goto finish; |
|
|
|
|
|
|
|
|
|
// 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 (!len) { |
|
|
|
|
title[0] = 0; |
|
|
|
|
} else { |
|
|
|
|
ch = avio_rb16(sc->pb); |
|
|
|
|
if (ch == 0xfeff) |
|
|
|
|
avio_get_str16be(sc->pb, len, title, title_len); |
|
|
|
|
else if (ch == 0xfffe) |
|
|
|
|
avio_get_str16le(sc->pb, len, title, title_len); |
|
|
|
|
else { |
|
|
|
|
AV_WB16(title, ch); |
|
|
|
|
if (len == 1 || len == 2) |
|
|
|
|
title[len] = 0; |
|
|
|
|
else |
|
|
|
|
avio_get_str(sc->pb, INT_MAX, title + 2, len - 1); |
|
|
|
|
avpriv_new_chapter(s, i, st->time_base, sample->timestamp, end, title); |
|
|
|
|
av_freep(&title); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
avpriv_new_chapter(s, i, st->time_base, sample->timestamp, end, title); |
|
|
|
|
av_freep(&title); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
finish: |
|
|
|
|
avio_seek(sc->pb, cur_pos, SEEK_SET); |
|
|
|
|
avio_seek(sc->pb, cur_pos, SEEK_SET); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|