Added a flag --strip_parameter_set_nalus. When enabled, parameter
set NAL units, SPS/PPS for H264 and SPS/PPS/VPS for H265, are stripped
from frames when converting NAL byte stream (AnnexB stream) to NAL
unit stream, which generates avc1/hvc1; otherwise they are not
stripped, and avc3/hev1 is generated.
Parameter set NAL units should not be stripped if they are varying
in the frames otherwise the frames may fail to be decoded.
The flag is enabled by default as we don't usually see varying
SPS/PPS/VPS and it is more space efficient with them stripped.
Set --strip_parameter_set_nalus=false to disable the flag if there
are varying SPS/PPS/VPS in the frames. This addresses #206.
Change-Id: I34bde6f33069f9f77d51a510b39f58a0f0e141aa
The issue could lead to the MPD attribute mediaPresentationDuration being
wrongly generated for WebM streams with a duration longer than INT32_MAX.
The root-cause was that StreamInfo::set_duration() accepted an int instead of a
uint64_t. This seems like a pure typo, since StreamInfo already uses a uint64_t
internally for representing duration.
This CL also removes EncryptionConfig stream data type and merges it
into StreamInfo/SegmentInfo instead.
Change-Id: Idb70ce503e61d3c951225cc78b6b15c084e16dcd
Also moved MediaHandler output validation to Initialize instead.
This CL also addresses #122 with consistent chunking.
Change-Id: I60c0da6d1b33421d7828bcb827d18899e71884ce
- WebVttMediaParser uses WebVttSampleConverter to generate non
overlapping media samples.
- The media samples contains ISO BMFF boxes.
- Add kCodecWebVtt to signal that the media is webvtt and
the samples will be in ISO BMFF boxes.
Change-Id: I639902cdba7b04af75428bc20622e26b8203cfb2
Before this, HLS output did not contain language information.
Now, media playlists are properly tagged with a language in the
master playlist.
b/36134267
Change-Id: I172e946dbedd096a44cb2f917b007cc004756228
- Also sets up the packaging and verify it works.
Some of the changes are temporary to get the integration going.
Change-Id: I0cf6c379d185e157808acabb9ef58ff93d4a39ae
This handler is a multi-in multi-out handler. If more than one input is
provided, there should be one and only one video stream; also, all inputs
should come from the same thread and are synchronized.
There can be multiple chunking handler running in different threads or even
different processes, we use the "consistent chunking algorithm" to make sure
the chunks in different streams are aligned without explicit communcating
with each other - which is not efficient and often difficult.
Consistent Chunking Algorithm:
1. Find the consistent chunkable boundary
Let the timestamps for video frames be (t1, t2, t3, ...). Then a
consistent chunkable boundary is simply the first chunkable boundary after
(tk / N) != (tk-1 / N), where '/' denotes integer division, and N is the
intended chunk duration.
2. Chunk only at the consistent chunkable boundary
This algorithm will make sure the chunks from different video streams are
aligned if they have aligned GoPs. However, this algorithm will only work
for video streams. To be able to chunk non video streams at similar
positions as video streams, ChunkingHandler is designed to accept one video
input and multiple non video inputs, the non video inputs are chunked when
the video input is chunked. If the inputs are synchronized - which is true
if the inputs come from the same demuxer, the video and non video chunks
are aligned.
Change-Id: Id3bad51ab14f311efdb8713b6cd36d36cf9e4639
- Deprecated command line flags --profile and --single_segment.
'segment_template' in stream descriptors implies live profile
and non-single segment.
- Added flag --generate_static_mpd_for_live_profile to generate
static mpd for live profile; if not set, dynamic mpd will be
generated.
Close#142
Change-Id: I78879297ed118f0f246c4753a16ad125bd6b5e4f
- Add MSVS related patterns to gitignore.
- Removed encryption_modes.h from media_base.gyp. It doesn't exist.
Change-Id: I44bc86ff7e79daf6f7bc61c21a558937530d8e66
1. Allow encryption pattern of 0:0, which is treated as 1:0;
2. Remove the special handling of pattern 1:0 in pattern cryptor
which may not always be correct;
3. Allow senc/saio/saiz boxes to be absent.
Change-Id: I372e61182ec577107e39cb601c3aed80616b036d
- Also import the version of the protobuf bundled in packager first,
this avoids importing the installed version of the protobuf, which
may not be compatible with this script.
- Print help if no argument is supplied.
Fixes#162
Change-Id: I1b5e87ba7fb51e81b0d4dd3791aaeb37ee0fd6ce
Some subtitle files use .webvtt instead of .vtt, probably because
ffmpeg uses -f webvtt when converting from some other format.
Change-Id: If88e8d2b90e5dea6751409568d5191e923dec4aa
- Add decrypt_config in media sample and stream.
- Update subsamples when converting NAL unit to bytestream.
Change-Id: I7b8975a453f81b22cf74bee3c9a58b7e458cbaae
1. Replace STLDeleter with unique_ptr in container, which is
supported in C++11
2. Replace string_as_array with &string[0] which is guaranteed
to work in C++11
Change-Id: I7f39c0e51fc8a3fcbb41313094a0ca6b33db7bf3
Also updated packager_test not to fill in output_format by default,
which will help catch these kinds of bugs.
Closes#130
Change-Id: I77157317de822d3f543f7e27d94bb4df7a1649d2
This flag is needed to workaround the Chromium bug
https://crbug.com/398130, which uses decoding timestamp
in buffered range.
Closes#113
Change-Id: Ib8f18be7165dd968bdc36c18ce29f694235c0c26
Since the |extra_data| field contains codec-specific configuration
data, it makes sense to call it |codec_config|.
Change-Id: If9e35165a00fe82628cf931df397a8ef06505b0d
- Add flags and stream descriptor fields for HLS.
- Remove fields from MuxerOptions. Instead pass them directly to
HlsNotifyMuxerListener.
- Rebase segment names to the master playlist's path where it makes
sense.
Change-Id: If4f54bc56ff46dc6140859a79ed66f7b99112ed7
- Tracks other than video are protected using whole-block full-sample
encryption as specified in ISO/IEC 23001-7:2016(E) 9.7, which is
equivalent to a pattern of 1:0. This is different to the non pattern
encryption counterparts.
- Also updated the code to allow the existence of other protection
schemes in the original content, which will simply be ignored.
- The internal cryptor used by AesPatternCryptor should not use
constant iv, add a DCHECK for that.
- Optimize AesPatternCryptor handling on the special pattern 1:0.
Change-Id: Idc704e7bc6b347741336f38c6d3620fc19392960
This is part of the effort to support Opus in iso-bmff #83.
Changes in this CL:
- Add support for multiple SampleGroupDescription and SampleToGroup
boxes in TrackFragment box;
- Add support for SampleGroupDescription and SampleToGroup boxes
in SampleTable box;
- Add support for AudioRollRecoveryEntry in Sample Group and 'roll'
sample grouping type;
- Also fix a bug that default length was not set correctly in
SampleGroupDescription when constant iv is used.
Change-Id: I7e31386ea6cd17a8ee5e1dca4c1a90937d51368f
Kongqun Yang
sylt
Rintaro Kuroiwa
Joey Parrish
Yohann Connell
Haoming Chen
Kyle Alexander
Thomas Inskip
Gabe Kopley
Jacob Trimble