have_data is not propagated from gst_ffmpegviddec_video_frame to
gst_ffmpegviddec_frame. have_data is only set to 1 in
gst_ffmpegviddec_frame if a frame pointer is passed. However, this is
not true while draining, which means that have_data from libav will be
ignored.
https://bugzilla.gnome.org/show_bug.cgi?id=734608
After the recent addition of negotiation support for MPEG4 part 2
profiles via caps it can happen that the generated caps at this
point still contain multiple profiles. For example if downstream
does not care. Just fixate anything here and use those caps.
Remove x-xvid and x-3ivx. The last place where they were used are
in the srcpad caps of the decoder but since the decoder will never
actually output those caps we can safely remove them.
If audio_in is NULL, we'll send a NULL frame to libav, to flush
the codec. In that case, we won't know how many samples the codec
will have used, so we use -1 (for don't know) when letting the
base class know about the buffer.
Coverity 1195177
Always enable 4MV flag for MPEG4
Pare the profile property and enable more features for advanced-simple
profile.
video/x-xvid is advanced-simple profile so enable more features.
We now also support encoding of video/x-xvid so add this to the caps.
Fixes https://bugzilla.gnome.org/show_bug.cgi?id=651320
We first want to complete negotiation before opening the encoder.
Negotiation might configure flags and other things that might be needed
when opening the encoder.
The 'no_buffer' error case is from the 0.10 era when a pad_alloc was
made before decoding the data and avdemuxer could check again the
flow returns for a not-linked. This isn't a valid use case anymore in
1.0
As some libav encoders (such as MPEG2) use a thread_count parameter to control
how many threads to use, and since it was always being set to 0 (which uses
the default), suboptimal threading can sometimes be chosen. This extends the
libav encoders to allow for a max-threads parameter which is passed into
the internal structure to control this knob if applicable to the encoder.
https://bugzilla.gnome.org/show_bug.cgi?id=726612
gst_video_decoder_get_max_decding_time doesn't return a GstClockTime
but a GstClockTimeDiff, and thus one needs to compare it against
G_MAXINT_64.
The returning of a boolean and the extra subsequent code in _video_frame
was uselessly complicated.
The previous behaviour led to artefacts when the decoder tried to
hurry up.
https://bugzilla.gnome.org/show_bug.cgi?id=730075
As we don't know how many output buffers we need to operate, we need to
avoid pool that can't grow. Otherwise the pipeline may stall, waiting
for buffers. For now, we require it to be able to grow to at least
32 buffers, which I think is a fair amount of buffers for decoders.
https://bugzilla.gnome.org/show_bug.cgi?id=726299
