Fixes decoding on the Samsung Chromebook Pro which do not set the codec
output format stride and slice-height fields.

Without properly grouping the checks, the second test would execute for
MSVC cl.exe, which results in configure getting stuck since cl.exe -? is
an interactive paginated help screen, waiting for input.

Fixes part of ticket #7146.
Signed-off-by: NJames Almer <jamrial@gmail.com>

Fixes part of ticket #7146, dealing with leaks of packet data since
commit 87c88122.
Signed-off-by: NJames Almer <jamrial@gmail.com>

- Parse schm atom to get different encryption schemes.
- Allow senc atom to appear in track fragments.
- Allow 16-byte IVs.
- Allow constant IVs (specified in tenc).
- Allow only tenc to specify encryption (i.e. no senc/saiz/saio).
- Use sample descriptor to detect clear fragments.

This doesn't support:
- Different sample descriptor holding different encryption info.
  - Only first sample descriptor can be encrypted.
- Encrypted sample groups (i.e. seig).
- Non-'cenc' encryption scheme when using -decryption_key.
Signed-off-by: NJacob Trimble <modmaker@google.com>
Signed-off-by: NMichael Niedermayer <michael@niedermayer.cc>

Signed-off-by: NStephan Holljes <klaxa1337@googlemail.com>
Signed-off-by: NMichael Niedermayer <michael@niedermayer.cc>

Show a more useful error message which specifies the required driver version
for the build, and use the correct context in the error message for WIN32.
Signed-off-by: NMarton Balint <cus@passwd.hu>

Silences several warnings:
libavcodec/dxva2_internal.h:107:98: warning: pointer type mismatch in conditional expression
libavcodec/dxva2_internal.h:109:94: warning: pointer type mismatch in conditional expression

Reported-by: Reino Wijnsma

Fixes the following warnings:
libavdevice/vfwcap.c:331:35: warning: passing argument 1 of 'av_parse_video_size' from incompatible pointer type
libavdevice/vfwcap.c:331:59: warning: passing argument 2 of 'av_parse_video_size' from incompatible pointer type

Reported-by: Reino Wijnsma

Signed-off-by: NPaul B Mahol <onemda@gmail.com>

SDL_QueryTexture and SDL_DestroyTexture require that the input texture
pointer be non-null. Debug builds of SDL will correctly check for this
and break program execution. This patch fixes this by checking the
status of the texture pointer.
Signed-off-by: NMatt Oliver <protogonoi@gmail.com>

Suggested-by: NRichard Shaffer <rshaffer@tunein.com>
Signed-off-by: NSteven Liu <lq@chinaffmpeg.org>

Signed-off-by: NPaul B Mahol <onemda@gmail.com>

Fixes https://trac.ffmpeg.org/ticket/2798

This makes movenc handle AV_DISPOSITION_ATTACHED_PIC and write
the associated pictures in iTunes cover atom. This corresponds
to how 'mov' demuxer parses and exposes the cover images when
reading.

Most of the existing track handling loops properly ignore
these 'virtual streams' as MOVTrack->entry is never incremented
for them. However, additional tests are added as needed to ignore
them.

Tested to produce valid output with:
  ffmpeg -i movie.mp4 -i thumb.jpg -disposition:v:1 attached_pic \
         -map 0 -map 1 -c copy movie-with-cover.mp4

The cover image is also copied correctly with:
  ffmpeg -i movie-with-cover.mp4 -map 0 -c copy out.mp4

AtomicParseley says that the attached_pic stream is properly
not visible in the main tracks of the file.
Signed-off-by: NTimo Teräs <timo.teras@iki.fi>

av_guess_sample_aspect_ratio() will return undefined or missing
value as {0,1}. This fixes show_stream() to check numerator to
display 'N/A' when appropriate. show_frame() does this already
correctly.
Signed-off-by: NTimo Teräs <timo.teras@iki.fi>

These are old bass and treble filters.
Make bass and treble filters better at boosting.
Signed-off-by: NPaul B Mahol <onemda@gmail.com>

The logic is applicable only when use_template is enabled and use_timeline
is disabled. The logic monitors the flow of segment indexes. If a streams's
segment index value is not at the expected real time position, then
the logic corrects that index value.

Typically this logic is needed in live streaming use cases. The network
bandwidth fluctuations are common during long run streaming. Each
fluctuation can cause the segment indexes fall behind the expected real
time position. Without this logic, players will not be able to consume
the content, even after encoder's network condition comes back to
normal state.

availability time of Nth segment = availabilityStartTime + (N*segment duration) - availabilityTimeOffset.
This field helps to reduce the latency by about a segment duration in streaming mode.

@availabilityStartTime specifies the anchor for the computation of the earliest
availability time (in UTC) for any Segment in the Media Presentation.

As per this requirement, the @AvailabilityStartTime should be set to the
wallclock time at which the first frame of the first segment begins encoding.
But, it was getting set only when the first segment was completely ready. Making
the required correction in this patch. This correction is mainly needed to reduce
the latency in live streaming use cases.

Calling 'write_manifest' from 'write_header' was causing creation of
first MPD with invalid values. Ex: zero @duration param value. Also,
the manifest files (MPD or M3U8s) should be created when at-least
one media frame is ready for consumption.

When use_template is enabled and use_timeline is disabled, typically
it is required to generate the segments at the configured segment duration
rate on an average. This commit is particularly needed to handle the
segmentation when video frame rates are fractional like 29.97 or 59.94 fps.

There are use cases where average segment duration needs to be configured
and muxer is expected to maintain the average segment duration. So, using
the name 'min_seg_duration' will be misleading. So, changing the parameter
name to 'seg_duration', where it can be minimum segment duration or average
segment duration based on the use-case. The additional updates needed for
this functinality are made the sub-sequent patches of this patch series.

The HLSContext struct contains fields which duplicate the data stored in the
avio_opts field. This change removes those fields in favor of avio_opts, and
updates the code accordingly.
The original patch caused the buffer pointed to by new_cookies in open_url to be
leaked. The only thing that buffer is used for is to store the value until it
can be passed to av_dict_set. To fix the leak, v2 of the patch simply calls
av_dict_set with the AV_DICT_DONT_STRDUP_VAL flag, so that the dictionary takes
ownership of the memory instead of copying it again.
Reviewed-by: NSteven Liu <lq@chinaffmpeg.org>
Signed-off-by: NRichard Shaffer <rshaffer@tunein.com>

The rw_timeout option is currently not applied when opening media playlist,
segment, or encryption key URLs. This can cause the HLS demuxer to block
indefinitely, even when the rw_timeout option has been specified. This change
simply enables carrying over the rw_timeout option when the demuxer opens these
URLs.
Reviewed-by: NSteven Liu <lq@chinaffmpeg.org>
Signed-off-by: NRichard Shaffer <rshaffer@tunein.com>

libavformat/dashdec: Avoid multiple HTTP requests for initialization segment that is common among all representations
Reviewed-by: NSteven Liu <lq@chinaffmpeg.org>
Signed-off-by: Nsanilraut <raut.sanil@gmail.com>

This reverts commit 36deec01.

Revert "avformat/dashdec: Avoid multiple HTTP requests for initialization segment that is common among all representations"

This reverts commit 4effd1c4.

The rw_timeout option is currently not applied when opening media playlist,
segment, or encryption key URLs. This can cause the HLS demuxer to block
indefinitely, even when the rw_timeout option has been specified. This change
simply enables carrying over the rw_timeout option when the demuxer opens these
URLs.
Reviewed-by: NSteven Liu <lq@chinaffmpeg.org>
Signed-off-by: NRichard Shaffer <rshaffer@tunein.com>

avformat/dashdec: Avoid multiple HTTP requests for initialization segment that is common among all representations
Reviewed-by: NSteven Liu <lq@chinaffmpeg.org>
Signed-off-by: Nsanilraut <raut.sanil@gmail.com>

Reviewed-by: NJun Zhao <mypopydev@gmail.com>
Signed-off-by: NSteven Liu <lq@chinaffmpeg.org>

This was somehow forgotten and nobody noticed until now.

Thanks-to: Moritz Barsnick <barsnick@gmx.net> for finding the correct ones
Signed-off-by: NMichael Niedermayer <michael@niedermayer.cc>

Also increase max allowed dry/wet value.
Signed-off-by: NPaul B Mahol <onemda@gmail.com>