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-rw-r--r--libhb/encx264.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/libhb/encx264.c b/libhb/encx264.c
index fa41a5f78..b7e08b8cc 100644
--- a/libhb/encx264.c
+++ b/libhb/encx264.c
@@ -30,6 +30,7 @@ struct hb_work_private_s
hb_job_t * job;
x264_t * x264;
x264_picture_t pic_in;
+ uint8_t *x264_allocated_pic;
// Internal queue of DTS start/stop values.
int64_t dts_start[DTS_BUFFER_SIZE];
@@ -241,7 +242,9 @@ int encx264Init( hb_work_object_t * w, hb_job_t * job )
memcpy( &w->config->h264.pps[1], nal[2].p_payload, nal[2].i_payload );
x264_picture_alloc( &pv->pic_in, X264_CSP_I420,
- job->width, job->height );
+ job->width, job->height );
+
+ pv->x264_allocated_pic = pv->pic_in.img.plane[0];
pv->dts_write_index = 0;
pv->dts_read_index = 0;
@@ -253,6 +256,11 @@ int encx264Init( hb_work_object_t * w, hb_job_t * job )
void encx264Close( hb_work_object_t * w )
{
hb_work_private_t * pv = w->private_data;
+ /*
+ * Patch the x264 allocated data back in so that x264 can free it
+ * we have been using our own buffers during the encode to avoid copying.
+ */
+ pv->pic_in.img.plane[0] = pv->x264_allocated_pic;
x264_picture_clean( &pv->pic_in );
x264_encoder_close( pv->x264 );
free( pv );
@@ -274,8 +282,11 @@ int encx264Work( hb_work_object_t * w, hb_buffer_t ** buf_in,
if( in->data )
{
- /* XXX avoid this memcpy ? */
- memcpy( pv->pic_in.img.plane[0], in->data, job->width * job->height );
+ /*
+ * Point x264 at our current buffers Y(UV) data.
+ */
+ pv->pic_in.img.plane[0] = in->data;
+
if( job->grayscale )
{
/* XXX x264 has currently no option for grayscale encoding */
@@ -284,10 +295,12 @@ int encx264Work( hb_work_object_t * w, hb_buffer_t ** buf_in,
}
else
{
- memcpy( pv->pic_in.img.plane[1], in->data + job->width * job->height,
- job->width * job->height / 4 );
- memcpy( pv->pic_in.img.plane[2], in->data + 5 * job->width *
- job->height / 4, job->width * job->height / 4 );
+ /*
+ * Point x264 at our buffers (Y)UV data
+ */
+ pv->pic_in.img.plane[1] = in->data + job->width * job->height;
+ pv->pic_in.img.plane[2] = in->data + 5 * job->width *
+ job->height / 4;
}
if( in->new_chap && job->chapter_markers )