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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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582 lines
18 KiB
C
582 lines
18 KiB
C
/* GStreamer Intel MSDK plugin
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* Copyright (c) 2016, Oblong Industries, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "gstmsdkh264enc.h"
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#include <gst/base/base.h>
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#include <gst/pbutils/pbutils.h>
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GST_DEBUG_CATEGORY_EXTERN (gst_msdkh264enc_debug);
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#define GST_CAT_DEFAULT gst_msdkh264enc_debug
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enum
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{
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PROP_CABAC = GST_MSDKENC_PROP_MAX,
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PROP_LOW_POWER,
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PROP_FRAME_PACKING,
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PROP_RC_LA_DOWNSAMPLING,
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PROP_TRELLIS,
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PROP_MAX_SLICE_SIZE,
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PROP_B_PYRAMID
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};
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#define PROP_CABAC_DEFAULT TRUE
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#define PROP_LOWPOWER_DEFAULT FALSE
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#define PROP_FRAME_PACKING_DEFAULT -1
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#define PROP_RC_LA_DOWNSAMPLING_DEFAULT MFX_LOOKAHEAD_DS_UNKNOWN
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#define PROP_TRELLIS_DEFAULT _MFX_TRELLIS_NONE
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#define PROP_MAX_SLICE_SIZE_DEFAULT 0
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#define PROP_B_PYRAMID_DEFAULT FALSE
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static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-h264, "
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"framerate = (fraction) [0/1, MAX], "
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"width = (int) [ 1, MAX ], height = (int) [ 1, MAX ], "
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"stream-format = (string) byte-stream , alignment = (string) au , "
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"profile = (string) { high, main, baseline, constrained-baseline }")
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);
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static GType
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gst_msdkh264enc_frame_packing_get_type (void)
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{
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static GType format_type = 0;
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static const GEnumValue format_types[] = {
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{GST_VIDEO_MULTIVIEW_FRAME_PACKING_NONE, "None (default)", "none"},
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{GST_VIDEO_MULTIVIEW_FRAME_PACKING_SIDE_BY_SIDE, "Side by Side",
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"side-by-side"},
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{GST_VIDEO_MULTIVIEW_FRAME_PACKING_TOP_BOTTOM, "Top Bottom", "top-bottom"},
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{0, NULL, NULL}
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};
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if (!format_type) {
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format_type =
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g_enum_register_static ("GstMsdkH264EncFramePacking", format_types);
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}
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return format_type;
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}
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#define gst_msdkh264enc_parent_class parent_class
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G_DEFINE_TYPE (GstMsdkH264Enc, gst_msdkh264enc, GST_TYPE_MSDKENC);
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static void
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insert_frame_packing_sei (GstMsdkH264Enc * thiz, GstVideoCodecFrame * frame,
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GstVideoMultiviewMode mode)
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{
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GstMapInfo map;
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GstByteReader reader;
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guint offset;
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if (mode != GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE
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&& mode != GST_VIDEO_MULTIVIEW_MODE_TOP_BOTTOM) {
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GST_ERROR_OBJECT (thiz, "Unsupported multiview mode %d", mode);
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return;
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}
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GST_DEBUG ("Inserting SEI Frame Packing for multiview mode %d", mode);
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gst_buffer_map (frame->output_buffer, &map, GST_MAP_READ);
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gst_byte_reader_init (&reader, map.data, map.size);
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while ((offset =
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gst_byte_reader_masked_scan_uint32 (&reader, 0xffffff00, 0x00000100,
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0, gst_byte_reader_get_remaining (&reader))) != -1) {
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guint8 type;
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guint offset2;
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gst_byte_reader_skip_unchecked (&reader, offset + 3);
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if (!gst_byte_reader_get_uint8 (&reader, &type))
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goto done;
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type = type & 0x1f;
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offset2 =
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gst_byte_reader_masked_scan_uint32 (&reader, 0xffffff00, 0x00000100, 0,
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gst_byte_reader_get_remaining (&reader));
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if (offset2 == -1)
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offset2 = gst_byte_reader_get_remaining (&reader);
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/* Slice, should really be an IDR slice (5) */
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if (type >= 1 && type <= 5) {
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GstBuffer *new_buffer;
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GstMemory *mem;
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static const guint8 sei_top_bottom[] =
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{ 0x00, 0x00, 0x01, 0x06, 0x2d, 0x07, 0x82, 0x01,
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0x00, 0x00, 0x03, 0x00, 0x01, 0x20, 0x80
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};
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static const guint8 sei_side_by_side[] =
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{ 0x00, 0x00, 0x01, 0x06, 0x2d, 0x07, 0x81, 0x81,
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0x00, 0x00, 0x03, 0x00, 0x01, 0x20, 0x80
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};
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const guint8 *sei;
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guint sei_size;
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if (mode == GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE) {
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sei = sei_side_by_side;
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sei_size = sizeof (sei_side_by_side);
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} else {
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sei = sei_top_bottom;
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sei_size = sizeof (sei_top_bottom);
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}
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/* Create frame packing SEI
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* FIXME: This assumes it does not exist in the stream, which is not
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* going to be true anymore once this is fixed:
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* https://github.com/Intel-Media-SDK/MediaSDK/issues/13
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*/
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new_buffer = gst_buffer_new ();
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/* Copy all metadata */
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gst_buffer_copy_into (new_buffer, frame->output_buffer,
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GST_BUFFER_COPY_METADATA, 0, -1);
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/* Copy previous NALs */
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gst_buffer_copy_into (new_buffer, frame->output_buffer,
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GST_BUFFER_COPY_MEMORY, 0, gst_byte_reader_get_pos (&reader) - 4);
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mem =
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gst_memory_new_wrapped (0, g_memdup (sei, sei_size), sei_size, 0,
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sei_size, NULL, g_free);
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gst_buffer_append_memory (new_buffer, mem);
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gst_buffer_copy_into (new_buffer, frame->output_buffer,
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GST_BUFFER_COPY_MEMORY, gst_byte_reader_get_pos (&reader) - 4, -1);
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gst_buffer_unmap (frame->output_buffer, &map);
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gst_buffer_unref (frame->output_buffer);
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frame->output_buffer = new_buffer;
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return;
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}
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}
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done:
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gst_buffer_unmap (frame->output_buffer, &map);
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}
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static GstFlowReturn
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gst_msdkh264enc_pre_push (GstVideoEncoder * encoder, GstVideoCodecFrame * frame)
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{
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GstMsdkH264Enc *thiz = GST_MSDKH264ENC (encoder);
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if (GST_VIDEO_CODEC_FRAME_IS_SYNC_POINT (frame) &&
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(thiz->frame_packing != GST_VIDEO_MULTIVIEW_MODE_NONE ||
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((GST_VIDEO_INFO_MULTIVIEW_MODE (&thiz->base.input_state->info) !=
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GST_VIDEO_MULTIVIEW_MODE_NONE)
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&& GST_VIDEO_INFO_MULTIVIEW_MODE (&thiz->base.
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input_state->info) != GST_VIDEO_MULTIVIEW_MODE_MONO))) {
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insert_frame_packing_sei (thiz, frame,
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thiz->frame_packing !=
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GST_VIDEO_MULTIVIEW_MODE_NONE ? thiz->frame_packing :
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GST_VIDEO_INFO_MULTIVIEW_MODE (&thiz->base.input_state->info));
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}
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return GST_FLOW_OK;
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}
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static gboolean
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gst_msdkh264enc_set_format (GstMsdkEnc * encoder)
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{
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GstMsdkH264Enc *thiz = GST_MSDKH264ENC (encoder);
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GstCaps *template_caps;
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GstCaps *allowed_caps = NULL;
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thiz->profile = 0;
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thiz->level = 0;
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template_caps = gst_static_pad_template_get_caps (&src_factory);
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allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder));
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/* If downstream has ANY caps let encoder decide profile and level */
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if (allowed_caps == template_caps) {
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GST_INFO_OBJECT (thiz,
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"downstream has ANY caps, profile/level set to auto");
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} else if (allowed_caps) {
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GstStructure *s;
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const gchar *profile;
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const gchar *level;
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if (gst_caps_is_empty (allowed_caps)) {
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gst_caps_unref (allowed_caps);
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gst_caps_unref (template_caps);
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return FALSE;
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}
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allowed_caps = gst_caps_make_writable (allowed_caps);
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allowed_caps = gst_caps_fixate (allowed_caps);
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s = gst_caps_get_structure (allowed_caps, 0);
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profile = gst_structure_get_string (s, "profile");
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if (profile) {
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if (!strcmp (profile, "high")) {
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thiz->profile = MFX_PROFILE_AVC_HIGH;
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} else if (!strcmp (profile, "main")) {
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thiz->profile = MFX_PROFILE_AVC_MAIN;
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} else if (!strcmp (profile, "baseline")) {
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thiz->profile = MFX_PROFILE_AVC_BASELINE;
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} else if (!strcmp (profile, "constrained-baseline")) {
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thiz->profile = MFX_PROFILE_AVC_CONSTRAINED_BASELINE;
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} else {
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g_assert_not_reached ();
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}
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}
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level = gst_structure_get_string (s, "level");
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if (level) {
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thiz->level = gst_codec_utils_h264_get_level_idc (level);
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}
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gst_caps_unref (allowed_caps);
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}
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gst_caps_unref (template_caps);
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return TRUE;
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}
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static gboolean
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gst_msdkh264enc_configure (GstMsdkEnc * encoder)
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{
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GstMsdkH264Enc *thiz = GST_MSDKH264ENC (encoder);
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encoder->param.mfx.LowPower =
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(thiz->lowpower ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF);
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encoder->param.mfx.CodecId = MFX_CODEC_AVC;
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encoder->param.mfx.CodecProfile = thiz->profile;
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encoder->param.mfx.CodecLevel = thiz->level;
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thiz->option.Header.BufferId = MFX_EXTBUFF_CODING_OPTION;
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thiz->option.Header.BufferSz = sizeof (thiz->option);
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if (thiz->profile == MFX_PROFILE_AVC_CONSTRAINED_BASELINE ||
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thiz->profile == MFX_PROFILE_AVC_BASELINE ||
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thiz->profile == MFX_PROFILE_AVC_EXTENDED) {
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thiz->option.CAVLC = MFX_CODINGOPTION_ON;
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} else {
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thiz->option.CAVLC =
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(thiz->cabac ? MFX_CODINGOPTION_OFF : MFX_CODINGOPTION_ON);
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}
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gst_msdkenc_add_extra_param (encoder, (mfxExtBuffer *) & thiz->option);
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encoder->option2.Trellis = thiz->trellis ? thiz->trellis : MFX_TRELLIS_OFF;
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encoder->option2.MaxSliceSize = thiz->max_slice_size;
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if (encoder->rate_control == MFX_RATECONTROL_LA ||
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encoder->rate_control == MFX_RATECONTROL_LA_HRD ||
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encoder->rate_control == MFX_RATECONTROL_LA_ICQ)
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encoder->option2.LookAheadDS = thiz->lookahead_ds;
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if (thiz->b_pyramid) {
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encoder->option2.BRefType = MFX_B_REF_PYRAMID;
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/* Don't define Gop structure for B-pyramid, otherwise EncodeInit
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* will throw Invalid param error */
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encoder->param.mfx.GopRefDist = 0;
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}
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/* Enable Extended coding options */
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gst_msdkenc_ensure_extended_coding_options (encoder);
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return TRUE;
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}
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static inline const gchar *
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profile_to_string (gint profile)
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{
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switch (profile) {
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case MFX_PROFILE_AVC_HIGH:
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return "high";
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case MFX_PROFILE_AVC_MAIN:
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return "main";
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case MFX_PROFILE_AVC_BASELINE:
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return "baseline";
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case MFX_PROFILE_AVC_CONSTRAINED_BASELINE:
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return "constrained-baseline";
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default:
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break;
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}
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return NULL;
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}
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static inline const gchar *
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level_to_string (gint level)
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{
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switch (level) {
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case MFX_LEVEL_AVC_1:
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return "1";
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case MFX_LEVEL_AVC_1b:
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return "1.1";
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case MFX_LEVEL_AVC_11:
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return "1.1";
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case MFX_LEVEL_AVC_12:
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return "1.2";
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case MFX_LEVEL_AVC_13:
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return "1.3";
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case MFX_LEVEL_AVC_2:
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return "2";
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case MFX_LEVEL_AVC_21:
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return "2.1";
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case MFX_LEVEL_AVC_22:
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return "2.2";
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case MFX_LEVEL_AVC_3:
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return "3";
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case MFX_LEVEL_AVC_31:
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return "3.1";
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case MFX_LEVEL_AVC_32:
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return "3.2";
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case MFX_LEVEL_AVC_4:
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return "4";
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case MFX_LEVEL_AVC_41:
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return "4.1";
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case MFX_LEVEL_AVC_42:
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return "4.2";
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case MFX_LEVEL_AVC_5:
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return "5";
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case MFX_LEVEL_AVC_51:
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return "5.1";
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case MFX_LEVEL_AVC_52:
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return "5.2";
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default:
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break;
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}
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return NULL;
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}
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static GstCaps *
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gst_msdkh264enc_set_src_caps (GstMsdkEnc * encoder)
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{
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GstCaps *caps;
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GstStructure *structure;
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const gchar *profile;
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const gchar *level;
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caps = gst_caps_new_empty_simple ("video/x-h264");
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_set (structure, "stream-format", G_TYPE_STRING, "byte-stream",
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NULL);
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gst_structure_set (structure, "alignment", G_TYPE_STRING, "au", NULL);
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profile = profile_to_string (encoder->param.mfx.CodecProfile);
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if (profile)
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gst_structure_set (structure, "profile", G_TYPE_STRING, profile, NULL);
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level = level_to_string (encoder->param.mfx.CodecLevel);
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if (level)
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gst_structure_set (structure, "level", G_TYPE_STRING, level, NULL);
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return caps;
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}
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static void
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gst_msdkh264enc_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstMsdkH264Enc *thiz = GST_MSDKH264ENC (object);
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if (gst_msdkenc_set_common_property (object, prop_id, value, pspec))
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return;
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GST_OBJECT_LOCK (thiz);
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switch (prop_id) {
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case PROP_CABAC:
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thiz->cabac = g_value_get_boolean (value);
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break;
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case PROP_LOW_POWER:
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thiz->lowpower = g_value_get_boolean (value);
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break;
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case PROP_FRAME_PACKING:
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thiz->frame_packing = g_value_get_enum (value);
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break;
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case PROP_RC_LA_DOWNSAMPLING:
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thiz->lookahead_ds = g_value_get_enum (value);
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break;
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case PROP_TRELLIS:
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thiz->trellis = g_value_get_flags (value);
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break;
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case PROP_MAX_SLICE_SIZE:
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thiz->max_slice_size = g_value_get_uint (value);
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break;
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case PROP_B_PYRAMID:
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thiz->b_pyramid = g_value_get_boolean (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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GST_OBJECT_UNLOCK (thiz);
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return;
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}
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|
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static void
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gst_msdkh264enc_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstMsdkH264Enc *thiz = GST_MSDKH264ENC (object);
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|
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if (gst_msdkenc_get_common_property (object, prop_id, value, pspec))
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return;
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GST_OBJECT_LOCK (thiz);
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switch (prop_id) {
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case PROP_CABAC:
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g_value_set_boolean (value, thiz->cabac);
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break;
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case PROP_LOW_POWER:
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g_value_set_boolean (value, thiz->lowpower);
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break;
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case PROP_FRAME_PACKING:
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g_value_set_enum (value, thiz->frame_packing);
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break;
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case PROP_RC_LA_DOWNSAMPLING:
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g_value_set_enum (value, thiz->lookahead_ds);
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break;
|
|
case PROP_TRELLIS:
|
|
g_value_set_flags (value, thiz->trellis);
|
|
break;
|
|
case PROP_MAX_SLICE_SIZE:
|
|
g_value_set_uint (value, thiz->max_slice_size);
|
|
break;
|
|
case PROP_B_PYRAMID:
|
|
g_value_set_boolean (value, thiz->b_pyramid);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
GST_OBJECT_UNLOCK (thiz);
|
|
}
|
|
|
|
static gboolean
|
|
gst_msdkh264enc_need_reconfig (GstMsdkEnc * encoder, GstVideoCodecFrame * frame)
|
|
{
|
|
GstMsdkH264Enc *h264enc = GST_MSDKH264ENC (encoder);
|
|
|
|
return gst_msdkenc_get_roi_params (encoder, frame, h264enc->roi);
|
|
}
|
|
|
|
static void
|
|
gst_msdkh264enc_set_extra_params (GstMsdkEnc * encoder,
|
|
GstVideoCodecFrame * frame)
|
|
{
|
|
GstMsdkH264Enc *h264enc = GST_MSDKH264ENC (encoder);
|
|
|
|
if (h264enc->roi[0].NumROI)
|
|
gst_msdkenc_add_extra_param (encoder, (mfxExtBuffer *) & h264enc->roi[0]);
|
|
}
|
|
|
|
static void
|
|
gst_msdkh264enc_class_init (GstMsdkH264EncClass * klass)
|
|
{
|
|
GObjectClass *gobject_class;
|
|
GstElementClass *element_class;
|
|
GstVideoEncoderClass *videoencoder_class;
|
|
GstMsdkEncClass *encoder_class;
|
|
|
|
gobject_class = G_OBJECT_CLASS (klass);
|
|
element_class = GST_ELEMENT_CLASS (klass);
|
|
videoencoder_class = GST_VIDEO_ENCODER_CLASS (klass);
|
|
encoder_class = GST_MSDKENC_CLASS (klass);
|
|
|
|
gobject_class->set_property = gst_msdkh264enc_set_property;
|
|
gobject_class->get_property = gst_msdkh264enc_get_property;
|
|
|
|
videoencoder_class->pre_push = gst_msdkh264enc_pre_push;
|
|
|
|
encoder_class->set_format = gst_msdkh264enc_set_format;
|
|
encoder_class->configure = gst_msdkh264enc_configure;
|
|
encoder_class->set_src_caps = gst_msdkh264enc_set_src_caps;
|
|
encoder_class->need_reconfig = gst_msdkh264enc_need_reconfig;
|
|
encoder_class->set_extra_params = gst_msdkh264enc_set_extra_params;
|
|
|
|
gst_msdkenc_install_common_properties (encoder_class);
|
|
|
|
g_object_class_install_property (gobject_class, PROP_CABAC,
|
|
g_param_spec_boolean ("cabac", "CABAC", "Enable CABAC entropy coding",
|
|
PROP_CABAC_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_LOW_POWER,
|
|
g_param_spec_boolean ("low-power", "Low power", "Enable low power mode",
|
|
PROP_LOWPOWER_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_FRAME_PACKING,
|
|
g_param_spec_enum ("frame-packing", "Frame Packing",
|
|
"Set frame packing mode for Stereoscopic content",
|
|
gst_msdkh264enc_frame_packing_get_type (), PROP_FRAME_PACKING_DEFAULT,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_RC_LA_DOWNSAMPLING,
|
|
g_param_spec_enum ("rc-lookahead-ds", "Look-ahead Downsampling",
|
|
"Down sampling mode in look ahead bitrate control",
|
|
gst_msdkenc_rc_lookahead_ds_get_type (),
|
|
PROP_RC_LA_DOWNSAMPLING_DEFAULT,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_TRELLIS,
|
|
g_param_spec_flags ("trellis", "Trellis",
|
|
"Enable Trellis Quantization",
|
|
gst_msdkenc_trellis_quantization_get_type (), _MFX_TRELLIS_NONE,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_MAX_SLICE_SIZE,
|
|
g_param_spec_uint ("max-slice-size", "Max Slice Size",
|
|
"Maximum slice size in bytes (if enabled MSDK will ignore the control over num-slices)",
|
|
0, G_MAXUINT32, PROP_MAX_SLICE_SIZE_DEFAULT,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_B_PYRAMID,
|
|
g_param_spec_boolean ("b-pyramid", "B-pyramid",
|
|
"Enable B-Pyramid Reference structure", FALSE,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
gst_element_class_set_static_metadata (element_class,
|
|
"Intel MSDK H264 encoder", "Codec/Encoder/Video/Hardware",
|
|
"H264 video encoder based on Intel Media SDK",
|
|
"Josep Torra <jtorra@oblong.com>");
|
|
gst_element_class_add_static_pad_template (element_class, &src_factory);
|
|
}
|
|
|
|
static void
|
|
gst_msdkh264enc_init (GstMsdkH264Enc * thiz)
|
|
{
|
|
thiz->cabac = PROP_CABAC_DEFAULT;
|
|
thiz->lowpower = PROP_LOWPOWER_DEFAULT;
|
|
thiz->frame_packing = PROP_FRAME_PACKING_DEFAULT;
|
|
thiz->lookahead_ds = PROP_RC_LA_DOWNSAMPLING_DEFAULT;
|
|
thiz->trellis = PROP_TRELLIS_DEFAULT;
|
|
thiz->max_slice_size = PROP_MAX_SLICE_SIZE_DEFAULT;
|
|
thiz->b_pyramid = PROP_B_PYRAMID_DEFAULT;
|
|
}
|