Some variants of mktemp require a template, so provide one when
checking for the command.  We already supply a template in the
subsequent uses of mktemp.

Thanks to Michael Kostylev.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit a210bce2)

This does the same thing and also fixes the trapping in
some (possibly broken) shells.

Suggested by Michael Kostylev.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 93bb9ff0)

It will be useful in the mp3 muxer.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit dccbd97d)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 4efd5cf3)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 1c189fc5)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 77a78e9b)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 56f8952b)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 50196a98)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit d66eff36)

This makes configure --disable-everything --enable-demuxer=foo
work as expected.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit c2dd0e9e)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 583fcb52)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit d08928bb)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 2611e520)

Simplifies error handling and makes it easier to add additional filter types.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 0361d13c)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit fcdf0a43)

when played with -flags emu_edge.
(cherry picked from commit 8bcfe7f7)

(cherry picked from commit 66c6b5e2)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 30112ada)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 75b98610)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit d42dc217)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit f0f54c29)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit ebb23027)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 0a3d7697)

title metadata is only used as fallback if no service_name is available.
Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
(cherry picked from commit e5fe6551)

Set service_provider and service_name in mpegts demuxer, previously
name and provider_name were set but since the muxer uses service_provider
and service_name use them.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit e8315e78)

Apparently some broken taggers prepend a new ID3v2 tag leaving the
existing one intact. Our parser currently reads all tags and overwrites
existing values with supposedly outdated ones.

fixes issue2419
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 75aded83)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit f7fcd6a2)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 46a2da76)

libavcodec minor version is > 99 so when printing the library versions
the output is a little bit broken:

  libavutil    50. 36. 0 / 50.36. 0
  libavcore     0. 16. 1 /  0.16. 1
  libavcodec   52.108. 0 / 52.108. 0
  libavformat  52. 94. 0 / 52.94. 0
  libavdevice  52.  2. 3 / 52. 2. 3
  libavfilter   1. 74. 0 /  1.74. 0
  libswscale    0. 12. 0 /  0.12. 0

Change the formating to look like this:

  libavutil    50. 36. 0 / 50. 36. 0
  libavcore     0. 16. 1 /  0. 16. 1
  libavcodec   52.108. 0 / 52.108. 0
  libavformat  52. 94. 0 / 52. 94. 0
  libavdevice  52.  2. 3 / 52.  2. 3
  libavfilter   1. 74. 0 /  1. 74. 0
  libswscale    0. 12. 0 /  0. 12. 0
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit c0dd5653)

This patch adds support in mpegts muxer for using service_provider and
service_name metadata to set service_provider_name and service_name
fields in SDT.

Example usage:
   ffmpeg -i file.ts -f mpegts -re -acodec copy -vcodec copy -f mpegts \
       -metadata service_provider="Some provider" \
       -metadata service_name="Some Channel" \
       "udp://239.0.70.2:5000?pkt_size=1316&ttl=1"
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 69688e71)

The original functions did not work correctly for edge pixels, e.g.
when CODEC_FLAG_EMU_EDGE is set, leading to corrupt output in e.g. VLC.
Based on a patch by Daniel Kang <daniel d kang gmail com>.

Signed-off-by: Ronald S. Bultje <rsbultje gmail com>
(cherry picked from commit b9c7f66e)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit c3897d76)

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit a4f5af13)

(cherry picked from commit 09a5c245)