Michael Niedermayer (12023-06-23):
> * What iam interrested in was working with the signals at a low level, why
> because i find it interresting and fun.
Then this is what you should be spending your time on, and to hell with
anybody who says otherwise.
Unless you have commitments that we are
lör 2023-06-24 klockan 23:01 +0200 skrev Michael Niedermayer:
> On Sat, Jun 24, 2023 at 11:51:57AM +0200, Tomas Härdin wrote:
> > fre 2023-06-23 klockan 23:18 +0200 skrev Michael Niedermayer:
> > >
> > > Are you planing to add SDR support through some library like GNU
> > > radio
> > > to FFmpeg
Signed-off-by: Michael Niedermayer
---
configure|4 +
doc/demuxers.texi| 72 ++
libavdevice/Makefile |1 +
libavdevice/alldevices.c |1 +
libavdevice/sdrindev.c | 369 ++
libavformat/Makefile |1 +
libavformat/allformats.c |1 +
Changes relative to last revissions
* split between libavformat and and libavdevice
* internal buffers switched to the hardware native format
50-75% less space required
* The dumped and replayed format for rtlsdr should be bitexact now
previously there was a small bias
* some bugfixes
*
On Sat, Jun 24, 2023 at 12:12:50PM +0200, Tomas Härdin wrote:
> fre 2023-06-23 klockan 23:36 +0200 skrev Michael Niedermayer:
> > On Fri, Jun 23, 2023 at 10:19:37PM +0200, Tomas Härdin wrote:
> > > fre 2023-06-23 klockan 22:18 +0200 skrev Tomas Härdin:
> > > > tor 2023-06-22 klockan 16:57 +0200
lör 2023-06-24 klockan 22:27 +0200 skrev Rémi Denis-Courmont:
> Unless you're connecting to the radio receiver via IP (which would be
> a kludge IMO)
Just a minor point: piping IQ data over TCP or UDP is actually quite
common in the radio scene. I also wouldn't be surprised if Linux gains
an API
On Sat, Jun 24, 2023 at 11:51:57AM +0200, Tomas Härdin wrote:
> fre 2023-06-23 klockan 23:18 +0200 skrev Michael Niedermayer:
> > Hi Tomas
> >
> > On Fri, Jun 23, 2023 at 10:10:29PM +0200, Tomas Härdin wrote:
> > > No. Absolutely not.
> > >
> > > Radio stuff belongs in radio projects such as GNU
On 6/24/2023 5:46 PM, Tomas Härdin wrote:
lör 2023-06-24 klockan 19:54 +0200 skrev Paul B Mahol:
On Sat, Jun 24, 2023 at 12:53 PM Tomas Härdin wrote:
lör 2023-06-10 klockan 20:31 +0200 skrev Michael Niedermayer:
jpeg2000 overrides the global lowres variable with a lowres field
called
lör 2023-06-24 klockan 19:54 +0200 skrev Paul B Mahol:
> On Sat, Jun 24, 2023 at 12:53 PM Tomas Härdin wrote:
>
> > lör 2023-06-10 klockan 20:31 +0200 skrev Michael Niedermayer:
> > > jpeg2000 overrides the global lowres variable with a lowres field
> > > called reduction_factor
> > > ffmpeg
Le 23 juin 2023 20:12:41 GMT+02:00, Michael Niedermayer
a écrit :
>Hi
>
>On Fri, Jun 23, 2023 at 06:37:18PM +0200, Rémi Denis-Courmont wrote:
>> Hi,
>>
>> Le 23 juin 2023 13:17:28 GMT+02:00, Michael Niedermayer
>> a écrit :
>> >On Fri, Jun 23, 2023 at 10:34:10AM +0800, Kieran Kunhya wrote:
Hi!
> On 24 Jun 2023, at 21:14, Andreas Rheinhardt
> wrote:
>
> Michael Niedermayer:
>> Fixes: out of array access
>> Fixes: crash-0d640731c7da52415670eb47a2af701cbe2e1a3b
>>
>> Found-by: Catena cyber
>> Signed-off-by: Michael Niedermayer
>> ---
>> libavcodec/parser.c | 2 +-
>> 1 file
On Sat, Jun 24, 2023 at 02:12:45PM -0300, James Almer wrote:
> Should fix integer overflows, and improve encoding results.
>
> Signed-off-by: James Almer
> ---
> libavcodec/j2kenc.c | 4 ++--
> tests/ref/vsynth/vsynth1-jpeg2000-yuva444p16 | 8
>
On Sat, Jun 24, 2023 at 09:14:53PM +0200, Andreas Rheinhardt wrote:
> Michael Niedermayer:
> > Fixes: out of array access
> > Fixes: crash-0d640731c7da52415670eb47a2af701cbe2e1a3b
> >
> > Found-by: Catena cyber
> > Signed-off-by: Michael Niedermayer
> > ---
> > libavcodec/parser.c | 2 +-
> >
On Sat, Jun 24, 2023 at 12:50:27PM +0200, Tomas Härdin wrote:
> lör 2023-06-10 klockan 20:31 +0200 skrev Michael Niedermayer:
> > This combination is not working (it writes out of array)
>
> Looks OK for now
will apply
thx
[...]
--
Michael GnuPG fingerprint:
Anton Khirnov:
> Move AVCodecInternal.nb_draining_errors to it, should should not be
> visible outside of decode.c.
> ---
> libavcodec/avcodec.c | 4 +++-
> libavcodec/avcodec_internal.h | 2 ++
> libavcodec/decode.c | 22 --
> libavcodec/internal.h
Michael Niedermayer:
> Fixes: out of array access
> Fixes: crash-0d640731c7da52415670eb47a2af701cbe2e1a3b
>
> Found-by: Catena cyber
> Signed-off-by: Michael Niedermayer
> ---
> libavcodec/parser.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavcodec/parser.c
Anton Khirnov:
> Will allow making some state private to encoding/decoding in the future.
> ---
> libavcodec/avcodec.c | 26 ++
> libavcodec/avcodec_internal.h | 3 +++
> libavcodec/decode.c | 15 +++
> libavcodec/encode.c | 18
On Sat, Jun 24, 2023 at 12:53 PM Tomas Härdin wrote:
> lör 2023-06-10 klockan 20:31 +0200 skrev Michael Niedermayer:
> > jpeg2000 overrides the global lowres variable with a lowres field
> > called reduction_factor
> > ffmpeg -lowres X causes the reduction_factor to be set
> > ffplay -lowres X
LGTM
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Should fix integer overflows, and improve encoding results.
Signed-off-by: James Almer
---
libavcodec/j2kenc.c | 4 ++--
tests/ref/vsynth/vsynth1-jpeg2000-yuva444p16 | 8
tests/ref/vsynth/vsynth2-jpeg2000-yuva444p16 | 8
On 6/24/23 08:26, James Almer wrote:
On 6/24/2023 1:38 AM, Leo Izen wrote:
Adds a fate test for the jpegxl_anim demuxer, that should allow testing
for true positives and false positives for animated jpegxl files. Note
that two of the test cases are not animated, in order to help sort out
false
On 6/24/23 08:21, James Almer wrote:
On 6/24/2023 1:38 AM, Leo Izen wrote:
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 2b90b788c0..0637199c9d 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -283,7 +283,7 @@ OBJS-$(CONFIG_IMAGE_HDR_PIPE_DEMUXER) +=
On 6/24/23 07:49, James Almer wrote:
On 6/24/2023 1:38 AM, Leo Izen wrote:
Before this commit, the decoder erroneously assumes that the AVFrame
passed to the receive_frame is the same one each time. Now it keeps an
internal AVFrame to write into, and copies it over when it's done.
---
On 6/24/2023 1:38 AM, Leo Izen wrote:
Adds a fate test for the jpegxl_anim demuxer, that should allow testing
for true positives and false positives for animated jpegxl files. Note
that two of the test cases are not animated, in order to help sort out
false positives.
Signed-off-by:
---
On 6/24/2023 1:38 AM, Leo Izen wrote:
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 2b90b788c0..0637199c9d 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -283,7 +283,7 @@ OBJS-$(CONFIG_IMAGE_HDR_PIPE_DEMUXER) += img2dec.o
img2.o
On 6/24/2023 1:38 AM, Leo Izen wrote:
Before this commit, the decoder erroneously assumes that the AVFrame
passed to the receive_frame is the same one each time. Now it keeps an
internal AVFrame to write into, and copies it over when it's done.
---
libavcodec/libjxldec.c | 40
fre 2023-06-09 klockan 19:14 +0800 skrev Zhao Zhili:
> From: Zhao Zhili
>
> Other than save a few bytes, it also has the benefit to show the
> AV_OPT_TYPE_CONST value in help, e.g.,
>
> -profile E..V... Profile (from 0 to
> INT_MAX) (default 0)
> baseline 66
Quoting Carotti, Elias (2023-06-22 19:23:05)
> On Thu, 2023-06-22 at 10:44 +0200, Anton Khirnov wrote:
> > CAUTION: This email originated from outside of the organization. Do
> > not click links or open attachments unless you can confirm the sender
> > and know the content is safe.
> >
> >
> >
lör 2023-06-10 klockan 20:31 +0200 skrev Michael Niedermayer:
> jpeg2000 overrides the global lowres variable with a lowres field
> called reduction_factor
> ffmpeg -lowres X causes the reduction_factor to be set
> ffplay -lowres X causes both lowres and the reduction_factor to be
> set
> ossfuss
Am 24.06.23 um 12:43 schrieb Anton Khirnov:
Quoting Romain Beauxis (2023-06-22 16:19:36)
commit ca0472eeebe478b7eb6e7d1dc4351037f8811728
Author: Romain Beauxis
Date: Thu Jun 22 09:14:18 2023 -0500
Add FATE test for timed id3 demux.
diff --git a/tests/fate/demux.mak
lör 2023-06-10 klockan 20:31 +0200 skrev Michael Niedermayer:
> This combination is not working (it writes out of array)
Looks OK for now
/Tomas
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Quoting Romain Beauxis (2023-06-22 16:19:36)
> commit ca0472eeebe478b7eb6e7d1dc4351037f8811728
> Author: Romain Beauxis
> Date: Thu Jun 22 09:14:18 2023 -0500
>
> Add FATE test for timed id3 demux.
>
> diff --git a/tests/fate/demux.mak b/tests/fate/demux.mak
> index d8fc68af88..ace8fa0b52
mån 2023-06-19 klockan 00:36 +1200 skrev Kieran Kunhya:
> On Sun, 18 Jun 2023 at 23:46, Paul B Mahol wrote:
>
> > > sdrdemux in libavformat will demodulate, do error correction then
> > > return
> > > AVPacket
> > > with H.264 / Mpeg2 video or AAC or wahetever
> > > That then will get passed to
fre 2023-06-23 klockan 23:36 +0200 skrev Michael Niedermayer:
> On Fri, Jun 23, 2023 at 10:19:37PM +0200, Tomas Härdin wrote:
> > fre 2023-06-23 klockan 22:18 +0200 skrev Tomas Härdin:
> > > tor 2023-06-22 klockan 16:57 +0200 skrev Michael Niedermayer:
> > > > If we support just audio and video
fre 2023-06-23 klockan 23:18 +0200 skrev Michael Niedermayer:
> Hi Tomas
>
> On Fri, Jun 23, 2023 at 10:10:29PM +0200, Tomas Härdin wrote:
> > No. Absolutely not.
> >
> > Radio stuff belongs in radio projects such as GNU Radio. This is
> > extreme scope creep.
> >
> > I can throw an AM detector
fre 2023-06-09 klockan 19:14 +0800 skrev Zhao Zhili:
> From: Zhao Zhili
>
> Use FF_PROFILE_UNKNOWN as auto mode.
Won't this break code that relies on AUTO_PROFILE? On the other hand
zero refers to profiles that actually exist such as profile0 for vp9,
so the old behavior is kinda bad.
/Tomas
fre 2023-06-09 klockan 19:14 +0800 skrev Zhao Zhili:
> From: Zhao Zhili
>
> H.264 high10/high422/high44 are unlikely supported by devices.
> It's there for developers to do the experiment.
>
> H.265 main10 works on my device with AV_PIX_FMT_MEDIACODEC.
> OMX_COLOR_FormatYUV420Planar16 doesn't
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