diff options
Diffstat (limited to 'media/libstagefright/MPEG4Extractor.cpp')
| -rw-r--r-- | media/libstagefright/MPEG4Extractor.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp index 8cf5026..9b36b6a 100644 --- a/media/libstagefright/MPEG4Extractor.cpp +++ b/media/libstagefright/MPEG4Extractor.cpp @@ -682,8 +682,9 @@ status_t MPEG4Extractor::parseDrmSINF(off64_t *offset, off64_t data_offset) { } sinf->len = dataLen - 3; sinf->IPMPData = new char[sinf->len]; + data_offset += 2; - if (mDataSource->readAt(data_offset + 2, sinf->IPMPData, sinf->len) < sinf->len) { + if (mDataSource->readAt(data_offset, sinf->IPMPData, sinf->len) < sinf->len) { return ERROR_IO; } data_offset += sinf->len; @@ -962,6 +963,12 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) { mLastTrack->meta->setInt32(kKeyEncoderDelay, delay); int64_t paddingus = duration - (segment_duration + media_time); + if (paddingus < 0) { + // track duration from media header (which is what kKeyDuration is) might + // be slightly shorter than the segment duration, which would make the + // padding negative. Clamp to zero. + paddingus = 0; + } int64_t paddingsamples = (paddingus * samplerate + 500000) / 1000000; mLastTrack->meta->setInt32(kKeyEncoderPadding, paddingsamples); } |