Bugfix: Trimmed iPhone HDR file has wrong playback duration on Android device
Bug: 329121650
Change-Id: I6bc7baf5bf6bdc3272650bdcdf18f8ad132c172e
diff --git a/media/module/extractors/mp4/MPEG4Extractor.cpp b/media/module/extractors/mp4/MPEG4Extractor.cpp
index b3707c8..cb2994e 100644
--- a/media/module/extractors/mp4/MPEG4Extractor.cpp
+++ b/media/module/extractors/mp4/MPEG4Extractor.cpp
@@ -1615,39 +1615,6 @@
mLastTrack->timescale = ntohl(timescale);
- // 14496-12 says all ones means indeterminate, but some files seem to use
- // 0 instead. We treat both the same.
- int64_t duration = 0;
- if (version == 1) {
- if (mDataSource->readAt(
- timescale_offset + 4, &duration, sizeof(duration))
- < (ssize_t)sizeof(duration)) {
- return ERROR_IO;
- }
- if (duration != -1) {
- duration = ntoh64(duration);
- }
- } else {
- uint32_t duration32;
- if (mDataSource->readAt(
- timescale_offset + 4, &duration32, sizeof(duration32))
- < (ssize_t)sizeof(duration32)) {
- return ERROR_IO;
- }
- if (duration32 != 0xffffffff) {
- duration = ntohl(duration32);
- }
- }
- if (duration != 0 && mLastTrack->timescale != 0) {
- long double durationUs = ((long double)duration * 1000000) / mLastTrack->timescale;
- if (durationUs < 0 || durationUs > INT64_MAX) {
- ALOGE("cannot represent %lld * 1000000 / %lld in 64 bits",
- (long long) duration, (long long) mLastTrack->timescale);
- return ERROR_MALFORMED;
- }
- AMediaFormat_setInt64(mLastTrack->meta, AMEDIAFORMAT_KEY_DURATION, durationUs);
- }
-
uint8_t lang[2];
off64_t lang_offset;
if (version == 1) {
@@ -3907,17 +3874,18 @@
}
int32_t id;
+ int64_t duration;
if (version == 1) {
// we can get ctime value from U64_AT(&buffer[4])
// we can get mtime value from U64_AT(&buffer[12])
id = U32_AT(&buffer[20]);
- // we can get duration value from U64_AT(&buffer[28])
+ duration = U64_AT(&buffer[28]);
} else if (version == 0) {
// we can get ctime value from U32_AT(&buffer[4])
// we can get mtime value from U32_AT(&buffer[8])
id = U32_AT(&buffer[12]);
- // we can get duration value from U32_AT(&buffer[20])
+ duration = U32_AT(&buffer[20]);
} else {
return ERROR_UNSUPPORTED;
}
@@ -3926,6 +3894,15 @@
return ERROR_MALFORMED;
AMediaFormat_setInt32(mLastTrack->meta, AMEDIAFORMAT_KEY_TRACK_ID, id);
+ if (duration != 0 && mHeaderTimescale != 0) {
+ long double durationUs = ((long double)duration * 1000000) / mHeaderTimescale;
+ if (durationUs < 0 || durationUs > INT64_MAX) {
+ ALOGE("cannot represent %lld * 1000000 / %lld in 64 bits",
+ (long long) duration, (long long) mHeaderTimescale);
+ return ERROR_MALFORMED;
+ }
+ AMediaFormat_setInt64(mLastTrack->meta, AMEDIAFORMAT_KEY_DURATION, durationUs);
+ }
size_t matrixOffset = dynSize + 16;
int32_t a00 = U32_AT(&buffer[matrixOffset]);