summaryrefslogtreecommitdiff
path: root/libavcodec
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/mmaldec.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/libavcodec/mmaldec.c b/libavcodec/mmaldec.c
index c9935514f1..718ea14021 100644
--- a/libavcodec/mmaldec.c
+++ b/libavcodec/mmaldec.c
@@ -67,6 +67,7 @@ typedef struct FFBufferRef {
typedef struct MMALDecodeContext {
AVClass *av_class;
int extra_buffers;
+ int extra_decoder_buffers;
MMAL_COMPONENT_T *decoder;
MMAL_QUEUE_T *queue_decoded_frames;
@@ -380,6 +381,13 @@ static av_cold int ffmmal_init_decoder(AVCodecContext *avctx)
av_get_codec_tag_string(tmp, sizeof(tmp), format_in->encoding);
av_log(avctx, AV_LOG_DEBUG, "Using MMAL %s encoding.\n", tmp);
+#if HAVE_MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
+ if (mmal_port_parameter_set_uint32(decoder->input[0], MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS,
+ -1 - ctx->extra_decoder_buffers)) {
+ av_log(avctx, AV_LOG_WARNING, "Could not set input buffering limit.\n");
+ }
+#endif
+
if ((status = mmal_port_format_commit(decoder->input[0])))
goto fail;
@@ -796,6 +804,7 @@ AVHWAccel ff_vc1_mmal_hwaccel = {
static const AVOption options[]={
{"extra_buffers", "extra buffers", offsetof(MMALDecodeContext, extra_buffers), AV_OPT_TYPE_INT, {.i64 = 10}, 0, 256, 0},
+ {"extra_decoder_buffers", "extra MMAL internal buffered frames", offsetof(MMALDecodeContext, extra_decoder_buffers), AV_OPT_TYPE_INT, {.i64 = 10}, 0, 256, 0},
{NULL}
};