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f35f312634
This patch adds look-ahead property to encoder The value indicates look ahead size in frames, the number of frames processed ahead of second pass encoding. Dual pass encoding is disabled if look-ahead value is less than 2.
133 lines
4 KiB
C
133 lines
4 KiB
C
/*
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* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation
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* version 2.1 of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __GST_OMX_VIDEO_ENC_H__
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#define __GST_OMX_VIDEO_ENC_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideoencoder.h>
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#include "gstomx.h"
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G_BEGIN_DECLS
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#define GST_TYPE_OMX_VIDEO_ENC \
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(gst_omx_video_enc_get_type())
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#define GST_OMX_VIDEO_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OMX_VIDEO_ENC,GstOMXVideoEnc))
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#define GST_OMX_VIDEO_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OMX_VIDEO_ENC,GstOMXVideoEncClass))
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#define GST_OMX_VIDEO_ENC_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OMX_VIDEO_ENC,GstOMXVideoEncClass))
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#define GST_IS_OMX_VIDEO_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OMX_VIDEO_ENC))
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#define GST_IS_OMX_VIDEO_ENC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OMX_VIDEO_ENC))
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typedef struct _GstOMXVideoEnc GstOMXVideoEnc;
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typedef struct _GstOMXVideoEncClass GstOMXVideoEncClass;
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struct _GstOMXVideoEnc
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{
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GstVideoEncoder parent;
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/* < protected > */
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GstOMXComponent *enc;
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GstOMXPort *enc_in_port, *enc_out_port;
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/* < private > */
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GstVideoCodecState *input_state;
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/* TRUE if the component is configured and saw
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* the first buffer */
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gboolean started;
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/* TRUE if the ports where disabled after being activated the first time. */
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gboolean disabled;
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GstClockTime last_upstream_ts;
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/* Draining state */
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GMutex drain_lock;
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GCond drain_cond;
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/* TRUE if EOS buffers shouldn't be forwarded */
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gboolean draining; /* protected by drain_lock */
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/* properties */
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guint32 control_rate;
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guint32 target_bitrate; /* protected by object lock */
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guint32 quant_i_frames;
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guint32 quant_p_frames;
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guint32 quant_b_frames;
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#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
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guint32 qp_mode;
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guint32 min_qp;
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guint32 max_qp;
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guint32 gop_mode;
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guint32 gdr_mode;
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guint32 initial_delay;
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guint32 cpb_size;
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guint32 scaling_list;
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gboolean low_bandwidth;
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guint32 max_bitrate;
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guint32 aspect_ratio;
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gboolean filler_data;
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guint32 num_slices;
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guint32 slice_size;
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gboolean dependent_slice;
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gint default_roi_quality;
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gboolean long_term_ref;
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guint32 long_term_freq;
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guint32 look_ahead;
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#endif
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guint32 default_target_bitrate;
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GstFlowReturn downstream_flow_ret;
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GstOMXBufferAllocation input_allocation;
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/* TRUE if encoder is passing dmabuf's fd directly to the OMX component */
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gboolean input_dmabuf;
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/* Number of buffers requested downstream */
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guint nb_downstream_buffers;
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/* TRUE if input buffers are from the pool we proposed to upstream */
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gboolean in_pool_used;
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#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
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GEnumClass *alg_roi_quality_enum_class;
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#endif
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};
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struct _GstOMXVideoEncClass
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{
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GstVideoEncoderClass parent_class;
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GstOMXClassData cdata;
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gboolean (*set_format) (GstOMXVideoEnc * self, GstOMXPort * port, GstVideoCodecState * state);
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GstCaps *(*get_caps) (GstOMXVideoEnc * self, GstOMXPort * port, GstVideoCodecState * state);
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GstFlowReturn (*handle_output_frame) (GstOMXVideoEnc * self, GstOMXPort * port, GstOMXBuffer * buffer, GstVideoCodecFrame * frame);
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};
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GType gst_omx_video_enc_get_type (void);
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G_END_DECLS
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#endif /* __GST_OMX_VIDEO_ENC_H__ */
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