Putting appropriate check to open_output_file() and close_output_file().
Before that the output file has been opened twice during two-pass encoding.

Change-Id: I290cecf00513d6a31ca3f45bc20fef7efcb10190

- Move IVF reading support into ivfdec.c and ivfdec.h
- Move IVF writing support into ivfenc.c and ivfenc.h
- Removed IVF writing code from the SVC example in favor of ivfenc.

Change-Id: I70adf6240d0320fdd232d8546ed573f0f68dd793

The new WebM output support should be preferred to IVF, but we can't
change the default behavior of the ivf* tools. There are a few other
default behaviors for these tools that are counterintuitive for
historical reasons, and changing the binary name provides the
opportunity to clean those up as well. This patch takes the first
step by renaming the binaries.

Change-Id: I647008ae37cc352dd27ec1da7ed13489e0609b24

This patch adds the --webm option, to allow the creation of WebM streams
without having to remux ivf into webm.

Change-Id: Ief93c114a6913c55a04cf51bce38f594372d0ad0

Ivfenc will use timebase if it is set. If it is not set ivfenc will
still double the timebase so altref frames will have a unique pts.
Patch Set #3: Use integer math to generate source pts. Added a
framerate parameter. Increased the default timebase to milliseconds to
remove the *2 everywhere.

Change-Id: I8d25b5b2cb26deef7eb72d74b5f76c98cafaf4db

An earlier automatic transform changed eg '\nOptions' to '\n_options'
which is incorrect in these printfs. Fix these.

Change-Id: I7e0f37931ef82b79fadddd7058ce0df5572e2ca1

Changes 'The VP8 project' to 'The WebM project', for consistency
with other webmproject.org repositories.

Fixes issue #97.

Change-Id: I37c13ed5fbdb9d334ceef71c6350e9febed9bbba

Remove unconditional reference to vpx_codec_vp8x_cx_algo.

Change-Id: I2f152a5bc014a2c8f7418e90b360ce18238e8ec1

The timebase was being set to the value in the Y4M file on each
 pass, but only doubled to account for the altref placement on
 the first past.
This avoids reseting it on the second pass.

Change-Id: Ie342639bad1ffe9c2214fbbaaded72cfed835b42

ivfenc was setting the VPX_KF_FIXED mode when the kf_min_dist and
kf_max_dist parameters were set to each other. This flag actually means
that keyframes are disabled, and that name was deprecated to avoid
confusion such as this. Instead, a new option is exposed for setting the
VPX_KF_DISABLED mode, and the intervals are passed through to the codec,
which will do automatic placement at a fixed interval as expected.

Change-Id: I15abbec5936f39d5901878b4bc154372fbc23a43

Change-Id: Ib309c8c0a6c7073b71f0e6d131028501cb241daf

This change stops ivfenc from treating unsupported Y4M files as raw
input.

For example, if given an interlaced Y4M file, ivfenc treated the input
as if it were raw data because the unsupported Y4M file case previously
fell through without being handled.

Change-Id: I06caa50f3448e6388741a77346daaebf77c277e1

Commit 3245d463 "ivfenc: support reading/writing from a pipe" broke
support for two pass encodes of raw files when done in two
invocations of ivfenc. The raw image was only set up on pass 0,
which was never hit when running with --pass=2 --passes=2.

Change-Id: I6a9858be1a8998d5bd45331123b46b1baa05b379

Use - for the filename to use stdin/stdout. Update to avoid opening
the file multiple times.

Change-Id: I356356fa16bb334d4b22abc531dc03c0d95917a3

Change-Id: I841dc0b8ebb150ac998f4076c148d7bb187e4301

Change-Id: Ieebea089095d9073b3a94932791099f614ce120c

A large collection of example files may be found at
 http://media.xiph.org/video/derf/
This also fixes a bug in ivfenc for uncompressed IVF input, which previously
 appeared not to skip past the file header the second time it opened the file.
I don't actually have an IVF file with which to test this fix, however.

Change-Id: Id69a1e11a3fa16c4a4fa8944e880bcea090cd52b

This patch creates some basic infrastructure for doing bitstream-
incompatible changes to the VP8 encoder. The key parts are:

 - --enable-experimental configure switch, to enable support for this
   incompatible bitstream. This switch is required to be set to enable
   any "experiments"

 - A list for "experiments" which translate into --enable-<experiment>
   options and CONFIG_<experiment> macros.

 - The high bit of the "Version" field is used to indicate that the
   bitstream was produced by an experimental encoder. The decoder will
   fail to decode an experimental bitstream without
   --enable-experimental.

 - A new "vp8x" encoder interface is created to set the experimental
   bit.

 - The vp8x encoder interface is made the default for ivfenc in
   experimental mode.

Change-Id: Idbdd5eae4cec5becf75bb4770837dcd256b2abef

Change-ID: I093abe6094589a0d73f6ca85b825678a19e68285

The PLANE_{PACKED,Y,U,V,ALPHA} macros should be renamed to be within the
VPX_ namespace.

Fixes #27

This renames the vpx_codec/ directory to vpx/, to allow applications
to more consistently reference these includes with the vpx/ prefix.
This allows the includes to be installed in /usr/local/include/vpx
rather than polluting the system includes directory with an
excessive number of includes.

Change-Id: I7b0652a20543d93f38f421c60b0bbccde4d61b4f

Avoid an potential name clashes and match other external types.
s/IMG_FMT/VPX_$&/g
s/img_fmt/vpx_$&/g

Change-Id: Ia7ad5bbb6424416b37e71e5f5eb1eca31c3c707f

This doesn't play well with autotools, and the preprocessor magic is
confusing and unhelpful in the vp8-only context.

Change-Id: I2fcb57e6eb7876ecb58509da608dc21f26077ff1