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ffmpeg.wasm-core
Unverified Commit 490c6bda authored by Rodger Combs's avatar Rodger Combs
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lavf/mov: reindent 

Reviewed-By: 's avatarMichael Niedermayer <michael@niedermayer.cc>
parent 697400ea
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Showing with 78 additions and 78 deletions
libavformat/mov.c
View file @ 490c6bda
...@@ -5075,94 +5075,94 @@ static void mov_read_chapters(AVFormatContext *s) ...@@ -5075,94 +5075,94 @@ static void mov_read_chapters(AVFormatContext *s)
int chapter_track; int chapter_track;
for (j = 0; j < mov->nb_chapter_tracks; j++) { for (j = 0; j < mov->nb_chapter_tracks; j++) {
chapter_track = mov->chapter_tracks[j]; chapter_track = mov->chapter_tracks[j];
st = NULL; st = NULL;
for (i = 0; i < s->nb_streams; i++) for (i = 0; i < s->nb_streams; i++)
if (s->streams[i]->id == chapter_track) { if (s->streams[i]->id == chapter_track) {
st = s->streams[i]; st = s->streams[i];
break; 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; sc = st->priv_data;
cur_pos = avio_tell(sc->pb); 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) { if (av_get_packet(sc->pb, &pkt, sample->size) < 0)
st->disposition |= AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS; goto finish;
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) st->attached_pic = pkt;
goto finish; 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; if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) {
st->attached_pic.stream_index = st->index; av_log(s, AV_LOG_ERROR, "Chapter %d not found in file\n", i);
st->attached_pic.flags |= AV_PKT_FLAG_KEY; goto finish;
} }
} 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) { // the first two bytes are the length of the title
av_log(s, AV_LOG_ERROR, "Chapter %d not found in file\n", i); len = avio_rb16(sc->pb);
goto finish; 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 avpriv_new_chapter(s, i, st->time_base, sample->timestamp, end, title);
len = avio_rb16(sc->pb); av_freep(&title);
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);
}
}
finish: finish:
avio_seek(sc->pb, cur_pos, SEEK_SET); avio_seek(sc->pb, cur_pos, SEEK_SET);
} }
} }
......
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