This improves error messages for completely and somewhat broken inputs.
Signed-off-by: Martin Storsjö <martin@martin.st>

This avoids a number of redefinition warnings on MinGW64.

Signed-off-by: Diego Biurrun <diego@biurrun.de>

Signed-off-by: Martin Storsjö <martin@martin.st>

This allows storing the .ismv/.isma/.ismc files separately from
the .ism file on a server, without having to manually edit the
.ism file after generating it with the ismindex tool.
Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

Without this cast, the BE_32() expression is sign extended when
assigned to an uint64_t, since the uint8_t|uint8_t expression
is promoted to an int.

Also avoid undefined behaviour when left shifting an uint8_t
by 24 by casting it to an uint32_t explicitly before shifting.

Based on a patch by Michael Niedermayer.
Signed-off-by: Martin Storsjö <martin@martin.st>

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>

This silences a warning in the coverity static analyzer.
Signed-off-by: Martin Storsjö <martin@martin.st>

These variables are assigned the return values of ftello, which
returns an off_t, which is a signed type. On errors, ftello returns
-1, thus make sure this error return value can be stored properly.
Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

qt-faststart doesn't use the normal libav headers at all since
it's supposed to be a completely standalone tool, so we implement
the macro locally in this file.
Signed-off-by: Martin Storsjö <martin@martin.st>

Copying data in chunks of 1 KB is a little wasteful.

64 KB should still easily fit on the stack, so there's no need
to allocate it dynamically.
Signed-off-by: Martin Storsjö <martin@martin.st>

This avoids the caller having to calculate the byte rate if wanting
to push a file in a rate resembling realtime.
Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

This reduces the risk for overflow in pathlogical cases.
Signed-off-by: Martin Storsjö <martin@martin.st>

If the input file contains other tracks (non video/audio) that
aren't included in ismindex, the global file duration as returned
by libavformat might not be equal to the maximum of the duration
of the actual included tracks.
Signed-off-by: Martin Storsjö <martin@martin.st>

The stream duration is used for calculating the duration of the
last fragment easily without manually parsing anything else than
the mfra/tfra atoms. When the global file duration was used
previously, the duration of the last fragment could end up wrong
if the streams weren't equally long.
Signed-off-by: Martin Storsjö <martin@martin.st>

os_support.h contains more precise workarounds for non-POSIX mkdir().

We do not support using filters without AVFilterGraph in practice
anyway, so there is no point in pretending we do.

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

The tool nowadays supports more than one track per file,
this makes reading the code slightly less confusing.
Signed-off-by: Martin Storsjö <martin@martin.st>

It does not help as an abstraction and adds dsputil dependencies.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

The missing headers are required for errno and for strerror.
This fixes building of this tool on mingw32ce.
Signed-off-by: Martin Storsjö <martin@martin.st>

PATH_MAX is not necessarily available on all systems, e.g. it's
normally not available on MSVC, and is not guaranteed to defined
on a POSIX system either.
Signed-off-by: Martin Storsjö <martin@martin.st>

This takes care of null-terminating the buffer if it is too small,
which wasn't handled properly before.
Signed-off-by: Martin Storsjö <martin@martin.st>

Also change the snprintf size to use the full buffer, since
snprintf always null-terminates the buffer.
Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

The Windows SDK in MSVC doesn't have mkdir, only _mkdir, and
MSDN says one should include direct.h to use it.
Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>