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  1. 14 Aug, 2019 3 commits
    • Marton Balint's avatar
      avformat/mpegtsenc: fix incorrect PCR selection with multiple programs · d770e0f4
      Marton Balint authored 
      The MPEG-TS muxer had a serious bug related to the use of multiple programs:
in that case, the PCR pid selection was incomplete for all services except one.
This patch solves this problem and selects a stream to become PCR for each
service, preferably the video stream.

This patch also moves pcr calculation attributes to MpegTSWriteStream from
MpegTSService. PCR is a per-stream and not per-service thing, so it was
misleading to refer to it as something that is per-service.

Also remove *service from MpegTSWriteStream because a stream can belong to
multiple services so it was misleading to select one for each stream.

You can check the result with this example command:

./ffmpeg -loglevel verbose -y -f lavfi -i \
  "testsrc=s=64x64:d=10,split=2[out0][tmp1];[tmp1]vflip[out1];sine=d=10,asetnsamples=1152[out2]" \
  -flags +bitexact -fflags +bitexact -sws_flags +accurate_rnd+bitexact  \
  -codec:v libx264 -codec:a mp2 -pix_fmt yuv420p \
  -map '0:v:0' \
  -map '0:v:1' \
  -map '0:a:0'  \
  -program st=0:st=2 -program st=1:st=2 -program st=2 -program st=0 -f mpegts out.ts

You should now see this:

[mpegts @ 0x37505c0] service 1 using PCR in pid=256
[mpegts @ 0x37505c0] service 2 using PCR in pid=257
[mpegts @ 0x37505c0] service 3 using PCR in pid=258
[mpegts @ 0x37505c0] service 4 using PCR in pid=256

Fixes ticket #8039.

v2: a video is stream is preferred if there are no programs, just like before
the patch.
Signed-off-by: 's avatarMarton Balint <cus@passwd.hu>
      d770e0f4
    • Marton Balint's avatar
      ffplay: properly detect all window size changes · a1c70148
      Marton Balint authored 
      SDL_WINDOWEVENT_SIZE_CHANGED should be used instead of SDL_WINDOWEVENT_RESIZED
because SDL_WINDOWEVENT_RESIZED is only emitted if the resize happened due to
an external event.

Fixes ticket #8072.

Additional references:
https://bugzilla.libsdl.org/show_bug.cgi?id=4760
https://wiki.libsdl.org/SDL_WindowEventIDSigned-off-by: 's avatarMarton Balint <cus@passwd.hu>
      a1c70148
    • Andreas Rheinhardt's avatar
      avfilter/vf_convolution: Fix build failures · 8fcc5d96
      Andreas Rheinhardt authored 
      98e419cb added SIMD for the convolution filter for x64 systems. As
usual, it used a check of the form
if (ARCH_X86_64)
    ff_convolution_init_x86(s);
and thereby relied on the compiler eliminating this pseudo-runtime check
at compiletime for non x64 systems (for which ff_convolution_init_x86
isn't defined) to compile. But vf_convolution.c contains more than one
filter and if the convolution filter is disabled, but one of the other
filters (prewitt, sobel, roberts) is enabled, the build will fail on x64,
because ff_convolution_init_x86 isn't defined in this case.
Signed-off-by: 's avatarAndreas Rheinhardt <andreas.rheinhardt@gmail.com>
      8fcc5d96
  3. 13 Aug, 2019 14 commits
  5. 12 Aug, 2019 4 commits
  7. 11 Aug, 2019 19 commits