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mmaldec: disable timestamp interpolation

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This MMAL feature fills in missing timestamps from the framerate set on
the input port. This is generally unwanted, since libavcodec decoders
merely pass through timestamps without ever "fixing" them. The framerate
is also unknown, and even the timebase doesn't have to be set.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
wm4 2015-09-08 19:42:24 +02:00 committed by Luca Barbato
parent 6b652c0273
commit b7ab6e18ee
1 changed files with 4 additions and 0 deletions
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4
libavcodec/mmaldec.c
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@ -26,6 +26,7 @@
#include <bcm_host.h>
#include <interface/mmal/mmal.h>
#include <interface/mmal/mmal_parameters_video.h>
#include <interface/mmal/util/mmal_util.h>
#include <interface/mmal/util/mmal_util_params.h>
#include <interface/mmal/util/mmal_default_components.h>
@ -277,6 +278,9 @@ static int ffmal_update_format(AVCodecContext *avctx)
if ((status = mmal_port_parameter_set_uint32(decoder->output[0], MMAL_PARAMETER_EXTRA_BUFFERS, ctx->extra_buffers)))
goto fail;
if ((status = mmal_port_parameter_set_boolean(decoder->output[0], MMAL_PARAMETER_VIDEO_INTERPOLATE_TIMESTAMPS, 0)))
goto fail;
if (avctx->pix_fmt == AV_PIX_FMT_MMAL) {
format_out->encoding = MMAL_ENCODING_OPAQUE;
} else {