Commit graph

3938 commits

Author SHA1 Message Date
Nicolas Dufresne
80524fb3da h264parser: Removed impossible error case
Same as done for H264, this error was trying to catch the case where we had
a start code without any bytes afterward. This will never happen since the
start code scanner only returns a match if there is one byte after start
code (pattern 0x00000100 / mask 0xffffff00). In H264, once byte is sufficient
to identify the NALU.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1251>
2020-05-07 12:08:36 -04:00
Nicolas Dufresne
dc4c470d75 h264parse: Properly handle 4 bytes start code
This will stop stripping four bytes start code. This was fixed and broken
again as it was causing the a timestamp shift. We now call
gst_base_parse_set_ts_at_offset() with the offset of the first NAL to ensure
that fixing a moderatly broken input stream won't affect the timestamps. We
also fixes the unit test, removing a comment about the stripping behaviour not
being correct.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1251>
2020-05-07 12:08:36 -04:00
Nicolas Dufresne
9029631f75 h265parser: Fix NAL size check for identification
Unlike H264, H265 requires 2 bytes after the start code to allow NAL
identification. This would otherwise report a broken NAL and skip
important data.

Fixes #1287

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1251>
2020-05-07 12:08:36 -04:00
Nicolas Dufresne
4332dc195d h265parser: Removed impossible error case
This error was trying to catch the case where we had a start code without any
bytes afterward. This will never happen since the start code scanner only returns
a match if there is one byte adter start code (pattern 0x00000100 / mask
0xffffff00).

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1251>
2020-05-07 12:08:36 -04:00
He Junyan
3be186fe85 libs: parser: h265: Add SCC extension support.
Add support for screen content coding extensions profiles.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1146>
2020-05-05 17:07:41 +00:00
Georg Ottinger
13d55627f0 libs: parser: Adds AV1 parser.
This is the first version of AV1 parser implementation in GStreamer.

A test file is also provied with several test cases. It contains a
test sequence taken from the aom testdata set, with one key and one
inter-frame. The same test sequence has been reencoded to annexb.

testdata is taken from aom testdata (and reencoded for annexb) as well
as handcrafted testcases. Once reference testdata is available, the
testing could be imporved aswell.

Co-author: He Junyan <junyan.he@hotmail.com>
Co-author: Víctor Manuel Jáquez Leal <vjaquez@igalia.com>
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/785>
2020-05-01 19:55:41 +00:00
Seungha Yang
24367cbff0 h264decoder: Allow frame gap even if it's not allowed by SPS
It's most likely the case where some frames were dropped for some reason
(e.g., broken stream, network loss or so). However, decoder might be able to
decode following frames even if some frames are visually broken.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1232>
2020-05-01 01:55:21 +09:00
He Junyan
bd2fb6cbb9 libs: h265parser: Add High throughput scc extensions profiles' IDC.
It is compitable with scc and we use scc's function to identify it.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1121>
2020-04-28 13:54:11 +00:00
He Junyan
35bf824b6d libs: h265parser: select extension profile by profile idc.
the old manner does not consider the profile idc. The profile idc should
play an more important role in recognizing the profile than the other
information. And there is no need to mix profiles of different extensions
together to find the closest profile when the bits stream is not standard,
different extensions support different features and should not be mixed.

The correct way should be recognize the extension category by profile idc
firstly, and then find the closest profile.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1121>
2020-04-28 13:54:11 +00:00
He Junyan
f4ddccb08e libs: h265parser: rename the FormatRangeExtensionProfile
FormatRangeExtensionProfile declares the common bits used for not
only format range extensions profiles, but also for several different
h265 extension profiles, such as high throughput, screen content
coding extensions, etc. And So the old name is not proper.
We also rename the get_h265_extension_profile function.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1121>
2020-04-28 13:54:11 +00:00
He Junyan
e99b962c0f libs: h265parser: Fix a bug for getting extension profile.
We should use the traget ExtensionProfile's IDC to check the
profile_compatibility_flag, rather than the profile_idc in the
stream. The old profile_compatibility_flag check always return
true. This causes that profiles with same constraint flags but
different profile_idc can't be recognized correctly. For example,
the screen-extended-main-444 profile is always be recognized as
the high-throughput-444 profile.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1121>
2020-04-28 13:54:11 +00:00
Seungha Yang
1d38728d05 h264decoder: Perform low-latency outputting only for live pipeline
Frequent outputting might drop throughput-wise performance.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1211>
2020-04-28 13:23:53 +00:00
Seungha Yang
00ad871628 h264decoder: Output decoded pictures as soon as possible
In case of IDR, any previously decoded pictures must be drained
before the IDR and POC of IDR should be zero. So we can output
IDR immediately. Also, when POC of current picture is expected to be
the next output POC, decoder can output the picture as well
without waiting.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1211>
2020-04-28 13:23:53 +00:00
Mathieu Duponchelle
d3be83a26c gsth265parser.h: escape link-like syntax in doc 2020-04-28 00:29:52 +02:00
Víctor Manuel Jáquez Leal
851557af20 codecs: fix gir generation
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1218>
2020-04-26 19:26:32 +02:00
Víctor Manuel Jáquez Leal
23e99a7a77 codecs: set sys frame num before new_picture()
Derive classes might need to operate on the current frame at their
new_picture() vmethod, so it would be needed to set system_frame_number
on picture before calling the vmethod.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1209>
2020-04-23 19:54:17 +00:00
Seungha Yang
8325e42ade codecs: Fix some documentation
Add missing "transfer full" annotation, etc

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1079>
2020-04-22 23:20:44 +00:00
Seungha Yang
a89b819191 codecs: Add new baseclass for VP8 decoder
This implemenation is similar to VP9 but much simpler than it.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1079>
2020-04-22 23:20:44 +00:00
Seungha Yang
9524e6adec vp9decoder: Fix small typo
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1079>
2020-04-22 23:20:44 +00:00
Seungha Yang
d72fcbe18a codecs: Reorganize the order of vfunc
... to the order in which it is actually called

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1079>
2020-04-22 23:20:44 +00:00
Seungha Yang
ba07768ca4 h264decoder: Don't handle gap frame num for the first picture
If the first picture is not IDR, it would have non-zero frame_num
but it's not gap. We should skip gap frame handling in that case
2020-04-20 13:55:49 +00:00
Seungha Yang
6a7ea29084 h264decoder: Add some debug messages 2020-04-20 13:55:49 +00:00
Víctor Manuel Jáquez Leal
a3395167a1 codecs: h264picture: typo in GstH264PictureField enum 2020-04-19 18:40:12 +02:00
Seungha Yang
eeb3dd6605 h265parser: Fix some coverity issues
- Remove useless comparison
- Fix invalid memory access

CID: 1461477, 1461476, 1461475, 1461474, 1461279
2020-04-13 12:28:14 +00:00
Seungha Yang
5a29917a63 codecs: Add minimal state validation
... to prevent requesting decoding before the preparation.
For instance, baseclass should not request decoding a picture if there
is no parsed valid headers, since subclass is most likely
not ready to decoding it.
2020-04-09 19:33:56 +00:00
Seungha Yang
a2f68762b0 h265parser: Add APIs to allow update VPS/SPS/PPS
gst_h265_parser_parse_{vps,sps,pps} APIs were used to parse VPS/SPS/PPS and
also in order to update parser's internal state at once. Meanwhile
gst_h265_parse_{vps,sps,pps} APIs are to parse VPS/SPS/PPS without state update.
This commit introduces new APIs so that only accepted VPS/SPS/PPS by user
can be updated to be used by parser.
2020-04-09 19:33:56 +00:00
Seungha Yang
a61549cbde h264parser: Add APIs to allow update SPS/PPS
gst_h264_parser_parse_{sps,pps} APIs were used to parse SPS/PPS and
also in order to update parser's internal state at once. Meanwhile
gst_h264_parse_{sps,pps} APIs are to parse SPS/PPS without state update.
This commit introduces new APIs so that only accepted SPS/PPS by user
can be updated to be used by parser.
2020-04-09 19:33:56 +00:00
Seungha Yang
1a09251699 h264parser: Parse all SEI payload type even if it's not handled by parser
... so that user can handle it from outside of parser API
2020-04-08 15:39:12 +00:00
Seungha Yang
db1ea18276 h264parser: Add support for creating picture timing SEI
This new method can make it possible to inject timecode meta into
h264 bitstream
2020-04-08 15:39:12 +00:00
Seungha Yang
28ce6c2a40 h264parser: Make GstH264PicTiming self-containing all the syntax information
... and store all parsed values.

We are storing pic_struct_present_flag although it's not part of
this SEI message but GstH264PicTiming includes it to clarify
following syntax values.
In addition to that, by adding CpbDpbDelaysPresentFlag, we don't need to
refer to VUI anymore.
2020-04-08 15:39:12 +00:00
Seungha Yang
c272dd3462 h264parser: Fix some misleading debug messages 2020-04-08 15:39:12 +00:00
Seungha Yang
5a675080c5 h264parser: Fix mismatched argument of declaration and definition 2020-04-08 15:39:12 +00:00
Thibault Saunier
b9e0ccd8b7 codecs: Add basic documentation stubs 2020-04-08 08:47:46 -04:00
Nicolas Dufresne
b79c949789 codecs: h264: Fix DPB size calculation
As per specification in A.3.1 h) and A.3.2 f), the maximum size of the DPB is
16. Fix the maximum in the fine and fix the formula to use MIN instead of MAX
so that we no longer always use the maximum for the profile/level.
2020-04-07 07:53:27 +00:00
Jan Schmidt
46f994871f adaptivedemux: Handle instant rate change requests directly
Downstream demuxers will first send seek events upstream to us.
Do the right thing with instant rate change requests by handling them
immediately.
2020-04-02 11:26:46 +00:00
Jan Schmidt
1c79b39896 adaptivedemux: Don't ignore gst_segment_do_seek() return result
gst_segment_do_seek() can fail, so don't ignore the return result
2020-04-02 11:26:46 +00:00
Seungha Yang
ce09ceb106 h265parser: Add a helper method to create SEI nal unit
Add an API to create raw SEI nal unit. This would be useful in case
an user want to create SEI nal data and inject the SEI nal data
into bitstream.
2020-04-02 09:20:11 +00:00
Nicolas Dufresne
7b8c071f9c codecs: h264dpb: Don't leak pic_list GArray
The contents was cleared, but the array was never released.
2020-03-31 09:34:05 -04:00
Nicolas Dufresne
bd7db13412 codecs: h264: Do not ignore end_picture() return value
If decoding failed because end_picture() failed, set the picture to
nonexisting, this way output_picture() will be skipped. This avoids confusing
special cases in output_picture() implementation.
2020-03-31 09:34:05 -04:00
Seungha Yang
a1e8109aa8 h264parser: Add a helper method to create and inject raw SEI data
Add an API to create raw SEI nal unit. This would be useful in case
an user want to create SEI nal data and inject the SEI nal data
into bitstream.
2020-03-30 07:59:10 +00:00
Seungha Yang
f94157c949 nalutils: Introduce NAL writer helper methods
Add helper methods for writing h264 and h265 NAL
2020-03-30 07:59:10 +00:00
Seungha Yang
5f6884a1c0 h264parser: Expose SEI clear function to public
gsth265parser does it already. Although corresponding API of h265parser is
gst_h265_sei_free, _clear suffix is more consistent naming for h264parser
since there are gst_h264_{sps,pps}_clear().
2020-03-30 07:59:10 +00:00
Seungha Yang
e65d06dc6a h265parser: Fix registered user data SEI leak
... and add fix for the SEI data in gst_h265_sei_copy()
2020-03-23 15:21:42 +00:00
Seungha Yang
ef14a032c1 h265parser: Do not allocate too large size of memory for registered user data SEI
Don't be confused by the unit of payload size (i.e., bits and bytes)
Also this need a documentation with Since mark
2020-03-23 15:21:42 +00:00
Seungha Yang
9e429fad3e h264parser: Do not allocate too large size of memory for registered user data SEI
Don't be confused by the unit of payload size (i.e., bits and bytes)
Also this need a documentation with Since mark
2020-03-23 14:11:11 +00:00
Victor Manuel Jaquez Leal
efcabce98e libs: codecparser: add missing unstable api warning
mpeg4 and vp8 parsers didn't show that compilation warning as the
others parsers.
2020-03-16 18:07:54 +01:00
yychao
adc3d12741 tsdemux: Add support for AC4
According to following two specs, add support for AC4 in tsdemux.

1. ETSI TS 103 190-2 V1.2.1 (2018-02) : Annex D (normative): AC-4 in MPEG-2 transport streams
2. ETSI EN 300 468 V1.16.1 (2019-08) : Annex D (normative):Service information implementation of AC-3, EnhancedAC-3, and AC-4 audio in DVB systems
2020-03-09 21:54:09 +00:00
Seungha Yang
5609d8751c h265decoder: Pass max_dpb_size to new_sequence vfunc
same as we are doing in h264decoder
2020-03-08 16:11:35 +09:00
Seungha Yang
353013fcaa h265parser: Store NumDeltaPocs of reference for hardware accelerators
That's the value of NumDeltaPocs[RefRpsIdx] and we might be able to derive
the value from given sps and slice header.
Because well known hardware implementations refer to the value, however,
storing the value makes things easier.

Following is the list of hardware implementations
* DXVA2: ucNumDeltaPocsOfRefRpsIdx
* NVDEC/VDPAU: NumDeltaPocsOfRefRpsIdx
2020-03-07 12:20:03 +09:00
Seungha Yang
ba3430a059 h265decoder: Fix for output and removal picture from DPB
See C.5.2.2 Output and removal of pictures from the DPB.

If the number of pictures in the DPB is greater than or equal to
sps_max_dec_pic_buffering_minus1[HighestTid] + 1, then the picture
should be outputted.
2020-03-07 12:20:03 +09:00