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gstreamer/subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codecav1dec.c

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/* GStreamer
* Copyright (C) 2020 Collabora
* Author: Daniel Almeida <daniel.almeida@collabora.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the0
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstv4l2codecallocator.h"
#include "gstv4l2codecav1dec.h"
#include "gstv4l2codecpool.h"
#include "gstv4l2format.h"
#include "linux/v4l2-controls.h"
#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
#define V4L2_MIN_KERNEL_VER_MAJOR 6
#define V4L2_MIN_KERNEL_VER_MINOR 7
#define V4L2_MIN_KERNEL_VERSION KERNEL_VERSION(V4L2_MIN_KERNEL_VER_MAJOR, V4L2_MIN_KERNEL_VER_MINOR, 0)
GST_DEBUG_CATEGORY_STATIC (v4l2_av1dec_debug);
#define GST_CAT_DEFAULT v4l2_av1dec_debug
/* Used to mark picture that have been outputted */
#define FLAG_PICTURE_HOLDS_BUFFER GST_MINI_OBJECT_FLAG_LAST
enum
{
PROP_0,
PROP_LAST = PROP_0
};
static GstStaticPadTemplate sink_template =
GST_STATIC_PAD_TEMPLATE (GST_VIDEO_DECODER_SINK_NAME,
GST_PAD_SINK, GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-av1, alignment=frame"));
static GstStaticPadTemplate src_template =
GST_STATIC_PAD_TEMPLATE (GST_VIDEO_DECODER_SRC_NAME,
GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (GST_V4L2_DEFAULT_VIDEO_FORMATS)));
struct _GstV4l2CodecAV1Dec
{
GstAV1Decoder parent;
GstV4l2Decoder *decoder;
GstVideoCodecState *output_state;
GstVideoInfo vinfo;
GstV4l2CodecAllocator *sink_allocator;
GstV4l2CodecAllocator *src_allocator;
GstV4l2CodecPool *src_pool;
gint min_pool_size;
gboolean has_videometa;
gboolean need_negotiation;
gboolean copy_frames;
gint frame_width;
gint frame_height;
gint render_width;
gint render_height;
guint bit_depth;
guint profile;
guint16 operating_point_idc;
struct v4l2_ctrl_av1_sequence v4l2_sequence;
struct v4l2_ctrl_av1_frame v4l2_frame;
struct v4l2_ctrl_av1_film_grain v4l2_film_grain;
gboolean need_sequence;
GArray *tile_group_entries;
gboolean fill_film_grain;
GstMemory *bitstream;
GstMapInfo bitstream_map;
};
G_DEFINE_ABSTRACT_TYPE (GstV4l2CodecAV1Dec, gst_v4l2_codec_av1_dec,
GST_TYPE_AV1_DECODER);
#define parent_class gst_v4l2_codec_av1_dec_parent_class
static GstFlowReturn
gst_v4l2_codec_av1_dec_ensure_bitstream (GstV4l2CodecAV1Dec * self)
{
if (self->bitstream)
goto done;
self->bitstream = gst_v4l2_codec_allocator_alloc (self->sink_allocator);
if (!self->bitstream) {
GST_ELEMENT_ERROR (self, RESOURCE, NO_SPACE_LEFT,
("Not enough memory to decode AV1 stream."), (NULL));
return GST_FLOW_ERROR;
}
if (!gst_memory_map (self->bitstream, &self->bitstream_map, GST_MAP_WRITE)) {
GST_ELEMENT_ERROR (self, RESOURCE, WRITE,
("Could not access bitstream memory for writing"), (NULL));
g_clear_pointer (&self->bitstream, gst_memory_unref);
return GST_FLOW_ERROR;
}
done:
/* We use this field to track how much we have written */
self->bitstream_map.size = 0;
return GST_FLOW_OK;
}
static void
gst_v4l2_codec_av1_reset_bitstream (GstV4l2CodecAV1Dec * self)
{
if (self->bitstream) {
if (self->bitstream_map.memory)
gst_memory_unmap (self->bitstream, &self->bitstream_map);
g_clear_pointer (&self->bitstream, gst_memory_unref);
self->bitstream_map = (GstMapInfo) GST_MAP_INFO_INIT;
}
}
static gboolean
gst_v4l2_decoder_av1_api_check (GstV4l2Decoder * decoder)
{
guint i, ret_size;
/* *INDENT-OFF* */
#define SET_ID(cid) .id = (cid), .name = #cid
struct
{
const gchar *name;
unsigned int id;
unsigned int size;
gboolean optional;
} controls[] = {
{
SET_ID (V4L2_CID_STATELESS_AV1_FRAME),
.size = sizeof(struct v4l2_ctrl_av1_frame),
}, {
SET_ID (V4L2_CID_STATELESS_AV1_TILE_GROUP_ENTRY),
.size = sizeof(struct v4l2_ctrl_av1_tile_group_entry),
}, {
SET_ID (V4L2_CID_STATELESS_AV1_SEQUENCE),
.size = sizeof(struct v4l2_ctrl_av1_sequence),
}, {
SET_ID (V4L2_CID_STATELESS_AV1_FILM_GRAIN),
.size = sizeof(struct v4l2_ctrl_av1_film_grain),
.optional = TRUE,
}
};
#undef SET_ID
/* *INDENT-ON* */
/*
* Compatibility check: make sure the pointer controls are
* the right size.
*/
for (i = 0; i < G_N_ELEMENTS (controls); i++) {
gboolean control_found;
control_found = gst_v4l2_decoder_query_control_size (decoder,
controls[i].id, &ret_size);
if (!controls[i].optional && !control_found) {
GST_WARNING ("Driver is missing %s support.", controls[i].name);
return FALSE;
}
if (control_found && ret_size != controls[i].size) {
GST_WARNING ("%s control size mismatch: got %d bytes but %d expected.",
controls[i].name, ret_size, controls[i].size);
return FALSE;
}
}
return TRUE;
}
static gboolean
gst_v4l2_codec_av1_dec_open (GstVideoDecoder * decoder)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
if (!gst_v4l2_decoder_open (self->decoder)) {
GST_ELEMENT_ERROR (self, RESOURCE, OPEN_READ_WRITE,
("Failed to open AV1 decoder"),
("gst_v4l2_decoder_open() failed: %s", g_strerror (errno)));
return FALSE;
}
self->fill_film_grain =
gst_v4l2_decoder_query_control_size (self->decoder,
V4L2_CID_STATELESS_AV1_FILM_GRAIN, NULL);
return TRUE;
}
static gboolean
gst_v4l2_codec_av1_dec_close (GstVideoDecoder * decoder)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
gst_v4l2_decoder_close (self->decoder);
return TRUE;
}
static void
gst_v4l2_codec_av1_dec_reset_allocation (GstV4l2CodecAV1Dec * self)
{
if (self->sink_allocator) {
gst_v4l2_codec_allocator_detach (self->sink_allocator);
g_clear_object (&self->sink_allocator);
}
if (self->src_allocator) {
gst_v4l2_codec_allocator_detach (self->src_allocator);
g_clear_object (&self->src_allocator);
g_clear_object (&self->src_pool);
}
}
static gboolean
gst_v4l2_codec_av1_dec_stop (GstVideoDecoder * decoder)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
gst_v4l2_decoder_streamoff (self->decoder, GST_PAD_SINK);
gst_v4l2_decoder_streamoff (self->decoder, GST_PAD_SRC);
gst_v4l2_codec_av1_dec_reset_allocation (self);
if (self->output_state)
gst_video_codec_state_unref (self->output_state);
self->output_state = NULL;
return GST_VIDEO_DECODER_CLASS (parent_class)->stop (decoder);
}
static gboolean
gst_v4l2_codec_av1_dec_negotiate (GstVideoDecoder * decoder)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
GstAV1Decoder *av1dec = GST_AV1_DECODER (decoder);
/* *INDENT-OFF* */
struct v4l2_ext_control control[] = {
{
.id = V4L2_CID_STATELESS_AV1_SEQUENCE,
.ptr = &self->v4l2_sequence,
.size = sizeof (self->v4l2_sequence),
},
};
/* *INDENT-ON* */
GstCaps *filter, *caps;
/* Ignore downstream renegotiation request. */
if (!self->need_negotiation)
return TRUE;
self->need_negotiation = FALSE;
GST_DEBUG_OBJECT (self, "Negotiate");
gst_v4l2_decoder_streamoff (self->decoder, GST_PAD_SINK);
gst_v4l2_decoder_streamoff (self->decoder, GST_PAD_SRC);
gst_v4l2_codec_av1_dec_reset_allocation (self);
if (!gst_v4l2_decoder_set_sink_fmt (self->decoder, V4L2_PIX_FMT_AV1_FRAME,
self->frame_width, self->frame_height, self->bit_depth)) {
GST_ELEMENT_ERROR (self, CORE, NEGOTIATION,
("Failed to configure AV1 decoder"),
("gst_v4l2_decoder_set_sink_fmt() failed: %s", g_strerror (errno)));
gst_v4l2_decoder_close (self->decoder);
return FALSE;
}
if (!gst_v4l2_decoder_set_controls (self->decoder, NULL, control,
G_N_ELEMENTS (control))) {
GST_ELEMENT_ERROR (decoder, RESOURCE, WRITE,
("Driver does not support the selected stream."), (NULL));
return FALSE;
}
filter = gst_v4l2_decoder_enum_src_formats (self->decoder);
if (!filter) {
GST_ELEMENT_ERROR (self, CORE, NEGOTIATION,
("No supported decoder output formats"), (NULL));
return FALSE;
}
GST_DEBUG_OBJECT (self, "Supported output formats: %" GST_PTR_FORMAT, filter);
caps = gst_pad_peer_query_caps (decoder->srcpad, filter);
gst_caps_unref (filter);
GST_DEBUG_OBJECT (self, "Peer supported formats: %" GST_PTR_FORMAT, caps);
if (!gst_v4l2_decoder_select_src_format (self->decoder, caps, &self->vinfo)) {
GST_ELEMENT_ERROR (self, CORE, NEGOTIATION,
("Unsupported pixel format"),
("No support for %ux%u", self->frame_width, self->frame_height));
gst_caps_unref (caps);
return FALSE;
}
gst_caps_unref (caps);
if (self->output_state)
gst_video_codec_state_unref (self->output_state);
self->output_state =
gst_video_decoder_set_output_state (GST_VIDEO_DECODER (self),
self->vinfo.finfo->format, self->render_width,
self->render_height, av1dec->input_state);
self->output_state->caps = gst_video_info_to_caps (&self->output_state->info);
if (GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder)) {
if (!gst_v4l2_decoder_streamon (self->decoder, GST_PAD_SINK)) {
GST_ELEMENT_ERROR (self, RESOURCE, FAILED,
("Could not enable the decoder driver."),
("VIDIOC_STREAMON(SINK) failed: %s", g_strerror (errno)));
return FALSE;
}
if (!gst_v4l2_decoder_streamon (self->decoder, GST_PAD_SRC)) {
GST_ELEMENT_ERROR (self, RESOURCE, FAILED,
("Could not enable the decoder driver."),
("VIDIOC_STREAMON(SRC) failed: %s", g_strerror (errno)));
return FALSE;
}
return TRUE;
}
return FALSE;
}
static gboolean
gst_v4l2_codec_av1_dec_decide_allocation (GstVideoDecoder * decoder,
GstQuery * query)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
guint min = 0, num_bitstream;
self->has_videometa = gst_query_find_allocation_meta (query,
GST_VIDEO_META_API_TYPE, NULL);
g_clear_object (&self->src_pool);
g_clear_object (&self->src_allocator);
if (gst_query_get_n_allocation_pools (query) > 0)
gst_query_parse_nth_allocation_pool (query, 0, NULL, NULL, &min, NULL);
min = MAX (2, min);
num_bitstream = 1 +
MAX (1, gst_v4l2_decoder_get_render_delay (self->decoder));
self->sink_allocator = gst_v4l2_codec_allocator_new (self->decoder,
GST_PAD_SINK, num_bitstream);
if (!self->sink_allocator) {
GST_ELEMENT_ERROR (self, RESOURCE, NO_SPACE_LEFT,
("Not enough memory to allocate sink buffers."), (NULL));
return FALSE;
}
self->src_allocator = gst_v4l2_codec_allocator_new (self->decoder,
GST_PAD_SRC, self->min_pool_size + min);
if (!self->src_allocator) {
GST_ELEMENT_ERROR (self, RESOURCE, NO_SPACE_LEFT,
("Not enough memory to allocate source buffers."), (NULL));
g_clear_object (&self->sink_allocator);
return FALSE;
}
self->src_pool = gst_v4l2_codec_pool_new (self->src_allocator, &self->vinfo);
/* Our buffer pool is internal, we will let the base class create a video
* pool, and use it if we are running out of buffers or if downstream does
* not support GstVideoMeta */
return GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation
(decoder, query);
}
static guint
gst_v4l2_codec_av1_dec_get_preferred_output_delay (GstAV1Decoder * decoder,
gboolean live)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
guint delay;
if (live)
delay = 0;
else
/* Just one for now, perhaps we can make this configurable in the future. */
delay = 1;
gst_v4l2_decoder_set_render_delay (self->decoder, delay);
return delay;
}
static void
gst_v4l2_codec_av1_dec_set_flushing (GstV4l2CodecAV1Dec * self,
gboolean flushing)
{
if (self->sink_allocator)
gst_v4l2_codec_allocator_set_flushing (self->sink_allocator, flushing);
if (self->src_allocator)
gst_v4l2_codec_allocator_set_flushing (self->src_allocator, flushing);
}
static gboolean
gst_v4l2_codec_av1_dec_flush (GstVideoDecoder * decoder)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
GST_DEBUG_OBJECT (self, "Flushing decoder state.");
gst_v4l2_decoder_flush (self->decoder);
gst_v4l2_codec_av1_dec_set_flushing (self, FALSE);
return GST_VIDEO_DECODER_CLASS (parent_class)->flush (decoder);
}
static gboolean
gst_v4l2_codec_av1_dec_sink_event (GstVideoDecoder * decoder, GstEvent * event)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
GST_DEBUG_OBJECT (self, "flush start");
gst_v4l2_codec_av1_dec_set_flushing (self, TRUE);
break;
default:
break;
}
return GST_VIDEO_DECODER_CLASS (parent_class)->sink_event (decoder, event);
}
static GstStateChangeReturn
gst_v4l2_codec_av1_dec_change_state (GstElement * element,
GstStateChange transition)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (element);
if (transition == GST_STATE_CHANGE_PAUSED_TO_READY)
gst_v4l2_codec_av1_dec_set_flushing (self, TRUE);
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
}
static void
gst_v4l2_codec_av1_dec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (object);
GObject *dec = G_OBJECT (self->decoder);
switch (prop_id) {
default:
gst_v4l2_decoder_set_property (dec, prop_id - PROP_LAST, value, pspec);
break;
}
}
static void
gst_v4l2_codec_av1_dec_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (object);
GObject *dec = G_OBJECT (self->decoder);
switch (prop_id) {
default:
gst_v4l2_decoder_get_property (dec, prop_id - PROP_LAST, value, pspec);
break;
}
}
static void
gst_v4l2_codec_av1_dec_fill_sequence_params (GstV4l2CodecAV1Dec * self,
const GstAV1SequenceHeaderOBU * seq_hdr)
{
/* *INDENT-OFF* */
self->v4l2_sequence = (struct v4l2_ctrl_av1_sequence) {
.flags =
(seq_hdr->still_picture ? V4L2_AV1_SEQUENCE_FLAG_STILL_PICTURE : 0) |
(seq_hdr->use_128x128_superblock ? V4L2_AV1_SEQUENCE_FLAG_USE_128X128_SUPERBLOCK : 0) |
(seq_hdr->enable_filter_intra ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_FILTER_INTRA : 0) |
(seq_hdr->enable_intra_edge_filter ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_INTRA_EDGE_FILTER : 0) |
(seq_hdr->enable_interintra_compound ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_INTERINTRA_COMPOUND : 0) |
(seq_hdr->enable_masked_compound ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_MASKED_COMPOUND : 0) |
(seq_hdr->enable_warped_motion ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_WARPED_MOTION : 0) |
(seq_hdr->enable_dual_filter ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_DUAL_FILTER : 0) |
(seq_hdr->enable_order_hint ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_ORDER_HINT : 0) |
(seq_hdr->enable_jnt_comp ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_JNT_COMP : 0) |
(seq_hdr->enable_ref_frame_mvs ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_REF_FRAME_MVS : 0) |
(seq_hdr->enable_superres ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_SUPERRES : 0) |
(seq_hdr->enable_cdef ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_CDEF : 0) |
(seq_hdr->enable_restoration ? V4L2_AV1_SEQUENCE_FLAG_ENABLE_RESTORATION : 0) |
(seq_hdr->color_config.mono_chrome ? V4L2_AV1_SEQUENCE_FLAG_MONO_CHROME : 0) |
(seq_hdr->color_config.color_range ? V4L2_AV1_SEQUENCE_FLAG_COLOR_RANGE : 0) |
(seq_hdr->color_config.subsampling_x ? V4L2_AV1_SEQUENCE_FLAG_SUBSAMPLING_X : 0) |
(seq_hdr->color_config.subsampling_y ? V4L2_AV1_SEQUENCE_FLAG_SUBSAMPLING_Y : 0) |
(seq_hdr->film_grain_params_present ? V4L2_AV1_SEQUENCE_FLAG_FILM_GRAIN_PARAMS_PRESENT : 0) |
(seq_hdr->color_config.separate_uv_delta_q ? V4L2_AV1_SEQUENCE_FLAG_SEPARATE_UV_DELTA_Q : 0),
.seq_profile = seq_hdr->seq_profile,
.order_hint_bits = seq_hdr->order_hint_bits,
.bit_depth = seq_hdr->bit_depth,
.max_frame_width_minus_1 = seq_hdr->max_frame_width_minus_1,
.max_frame_height_minus_1 = seq_hdr->max_frame_height_minus_1,
};
/* *INDENT-ON* */
}
static void
gst_v4l2_codec_av1_fill_refs (GstV4l2CodecAV1Dec * self,
const GstAV1FrameHeaderOBU * frame_hdr, const GstAV1Dpb * reference_frames)
{
gint i;
G_STATIC_ASSERT (G_N_ELEMENTS (self->v4l2_frame.reference_frame_ts) ==
G_N_ELEMENTS (reference_frames->pic_list));
G_STATIC_ASSERT (sizeof (self->v4l2_frame.ref_frame_idx) ==
sizeof (frame_hdr->ref_frame_idx));
g_return_if_fail (reference_frames != NULL);
for (i = 0; i < G_N_ELEMENTS (reference_frames->pic_list); i++) {
GstAV1Picture *ref_pic = reference_frames->pic_list[i];
/* the decoder might not have filled all slots in the first few frames */
self->v4l2_frame.reference_frame_ts[i] =
ref_pic ? GST_CODEC_PICTURE_FRAME_NUMBER (ref_pic) * 1000 : 0;
}
memcpy (self->v4l2_frame.ref_frame_idx, frame_hdr->ref_frame_idx,
sizeof (frame_hdr->ref_frame_idx));
}
static void
gst_v4l2_codec_av1_fill_tile_info (GstV4l2CodecAV1Dec * self,
const GstAV1TileInfo * ti)
{
struct v4l2_av1_tile_info *v4l2_ti = &self->v4l2_frame.tile_info;
G_STATIC_ASSERT (sizeof (v4l2_ti->mi_col_starts) ==
sizeof (ti->mi_col_starts));
G_STATIC_ASSERT (sizeof (v4l2_ti->mi_row_starts) ==
sizeof (ti->mi_row_starts));
G_STATIC_ASSERT (sizeof (v4l2_ti->width_in_sbs_minus_1) ==
sizeof (ti->width_in_sbs_minus_1));
G_STATIC_ASSERT (sizeof (v4l2_ti->height_in_sbs_minus_1) ==
sizeof (ti->height_in_sbs_minus_1));
memcpy (v4l2_ti->mi_col_starts, ti->mi_col_starts,
sizeof (v4l2_ti->mi_col_starts));
memcpy (v4l2_ti->mi_row_starts, ti->mi_row_starts,
sizeof (v4l2_ti->mi_row_starts));
memcpy (v4l2_ti->width_in_sbs_minus_1, ti->width_in_sbs_minus_1,
sizeof (v4l2_ti->width_in_sbs_minus_1));
memcpy (v4l2_ti->height_in_sbs_minus_1, ti->height_in_sbs_minus_1,
sizeof (v4l2_ti->height_in_sbs_minus_1));
}
static void
gst_v4l2_codec_av1_fill_loop_filter (GstV4l2CodecAV1Dec * self,
const GstAV1LoopFilterParams * lf)
{
struct v4l2_av1_loop_filter *v4l2_lf = &self->v4l2_frame.loop_filter;
G_STATIC_ASSERT (sizeof (v4l2_lf->level) == sizeof (lf->loop_filter_level));
G_STATIC_ASSERT (sizeof (v4l2_lf->ref_deltas) ==
sizeof (lf->loop_filter_ref_deltas));
G_STATIC_ASSERT (sizeof (v4l2_lf->mode_deltas) ==
sizeof (lf->loop_filter_mode_deltas));
memcpy (v4l2_lf->level, lf->loop_filter_level, sizeof (v4l2_lf->level));
memcpy (v4l2_lf->ref_deltas, lf->loop_filter_ref_deltas,
sizeof (v4l2_lf->ref_deltas));
memcpy (v4l2_lf->mode_deltas, lf->loop_filter_mode_deltas,
sizeof (v4l2_lf->mode_deltas));
}
static void
gst_v4l2_codec_av1_fill_segmentation (GstV4l2CodecAV1Dec * self,
const GstAV1SegmenationParams * seg)
{
struct v4l2_av1_segmentation *v4l2_seg = &self->v4l2_frame.segmentation;
guint32 i;
guint32 j;
G_STATIC_ASSERT (sizeof (v4l2_seg->feature_data) ==
sizeof (seg->feature_data));
for (i = 0; i < G_N_ELEMENTS (v4l2_seg->feature_enabled); i++)
for (j = 0; j < V4L2_AV1_SEG_LVL_MAX; j++)
v4l2_seg->feature_enabled[i] |= (seg->feature_enabled[i][j] << j);
memcpy (v4l2_seg->feature_data, seg->feature_data,
sizeof (v4l2_seg->feature_data));
}
static void
gst_v4l2_codec_av1_fill_cdef (GstV4l2CodecAV1Dec * self,
const GstAV1CDEFParams * cdef)
{
struct v4l2_av1_cdef *v4l2_cdef = &self->v4l2_frame.cdef;
G_STATIC_ASSERT (sizeof (v4l2_cdef->y_pri_strength) ==
sizeof (cdef->cdef_y_pri_strength));
G_STATIC_ASSERT (sizeof (v4l2_cdef->y_sec_strength) ==
sizeof (cdef->cdef_y_sec_strength));
G_STATIC_ASSERT (sizeof (v4l2_cdef->uv_pri_strength) ==
sizeof (cdef->cdef_uv_pri_strength));
G_STATIC_ASSERT (sizeof (v4l2_cdef->uv_sec_strength) ==
sizeof (cdef->cdef_uv_sec_strength));
memcpy (v4l2_cdef->y_pri_strength, cdef->cdef_y_pri_strength,
sizeof (v4l2_cdef->y_pri_strength));
memcpy (v4l2_cdef->y_sec_strength, cdef->cdef_y_sec_strength,
sizeof (v4l2_cdef->y_sec_strength));
memcpy (v4l2_cdef->uv_pri_strength, cdef->cdef_uv_pri_strength,
sizeof (v4l2_cdef->uv_pri_strength));
memcpy (v4l2_cdef->uv_sec_strength, cdef->cdef_uv_sec_strength,
sizeof (v4l2_cdef->uv_sec_strength));
}
static void
gst_v4l2_codec_av1_fill_loop_restoration (GstV4l2CodecAV1Dec * self,
const GstAV1LoopRestorationParams * lr)
{
struct v4l2_av1_loop_restoration *v4l2_lr =
&self->v4l2_frame.loop_restoration;
G_STATIC_ASSERT (sizeof (v4l2_lr->loop_restoration_size) ==
sizeof (lr->loop_restoration_size));
memcpy (v4l2_lr->loop_restoration_size, lr->loop_restoration_size,
sizeof (v4l2_lr->loop_restoration_size));
}
static void
gst_v4l2_codec_av1_fill_global_motion (GstV4l2CodecAV1Dec * self,
const GstAV1GlobalMotionParams * gm)
{
struct v4l2_av1_global_motion *v4l2_gm = &self->v4l2_frame.global_motion;
gint i;
G_STATIC_ASSERT (sizeof (v4l2_gm->type) == sizeof (gm->gm_type));
G_STATIC_ASSERT (sizeof (v4l2_gm->params) == sizeof (gm->gm_params));
G_STATIC_ASSERT (G_N_ELEMENTS (v4l2_gm->flags) == GST_AV1_SEG_LVL_MAX);
for (i = 0; i < G_N_ELEMENTS (v4l2_gm->flags); i++) {
v4l2_gm->flags[i] =
(gm->is_global[i] ? V4L2_AV1_GLOBAL_MOTION_FLAG_IS_GLOBAL : 0) |
(gm->is_rot_zoom[i] ? V4L2_AV1_GLOBAL_MOTION_FLAG_IS_ROT_ZOOM : 0) |
(gm->is_translation[i] ? V4L2_AV1_GLOBAL_MOTION_FLAG_IS_TRANSLATION :
0);
switch (gm->gm_type[i]) {
case GST_AV1_WARP_MODEL_IDENTITY:
v4l2_gm->type[i] = V4L2_AV1_WARP_MODEL_IDENTITY;
break;
case GST_AV1_WARP_MODEL_TRANSLATION:
v4l2_gm->type[i] = V4L2_AV1_WARP_MODEL_TRANSLATION;
break;
case GST_AV1_WARP_MODEL_ROTZOOM:
v4l2_gm->type[i] = V4L2_AV1_WARP_MODEL_ROTZOOM;
break;
case GST_AV1_WARP_MODEL_AFFINE:
v4l2_gm->type[i] = V4L2_AV1_WARP_MODEL_AFFINE;
break;
}
v4l2_gm->invalid |= (gm->invalid[i] << i);
}
memcpy (v4l2_gm->type, gm->gm_type, sizeof (v4l2_gm->type));
memcpy (v4l2_gm->params, gm->gm_params, sizeof (v4l2_gm->params));
}
static void
gst_v4l2_codec_av1_fill_film_grain (GstV4l2CodecAV1Dec * self,
const GstAV1FilmGrainParams * fg)
{
struct v4l2_ctrl_av1_film_grain *v4l2_fg = &self->v4l2_film_grain;
*v4l2_fg = (struct v4l2_ctrl_av1_film_grain) {
.flags =
(fg->apply_grain ? V4L2_AV1_FILM_GRAIN_FLAG_APPLY_GRAIN : 0) |
(fg->update_grain ? V4L2_AV1_FILM_GRAIN_FLAG_UPDATE_GRAIN : 0) |
(fg->chroma_scaling_from_luma ?
V4L2_AV1_FILM_GRAIN_FLAG_CHROMA_SCALING_FROM_LUMA : 0) |
(fg->overlap_flag ? V4L2_AV1_FILM_GRAIN_FLAG_OVERLAP : 0) |
(fg->clip_to_restricted_range ?
V4L2_AV1_FILM_GRAIN_FLAG_CLIP_TO_RESTRICTED_RANGE : 0),
.grain_seed = fg->grain_seed,
.film_grain_params_ref_idx = fg->film_grain_params_ref_idx,
.num_y_points = fg->num_y_points,
.num_cb_points = fg->num_cb_points,
.num_cr_points = fg->num_cr_points,
.grain_scaling_minus_8 = fg->grain_scaling_minus_8,
.ar_coeff_lag = fg->ar_coeff_lag,
.ar_coeff_shift_minus_6 = fg->ar_coeff_shift_minus_6,
.grain_scale_shift = fg->grain_scale_shift,
.cb_mult = fg->cb_mult,
.cb_luma_mult = fg->cb_luma_mult,
.cb_offset = fg->cb_offset,
.cr_mult = fg->cr_mult,
.cr_luma_mult = fg->cr_luma_mult,
.cr_offset = fg->cr_offset
};
G_STATIC_ASSERT (sizeof (v4l2_fg->point_y_value) ==
sizeof (fg->point_y_value));
G_STATIC_ASSERT (sizeof (v4l2_fg->point_y_scaling) ==
sizeof (fg->point_y_scaling));
G_STATIC_ASSERT (sizeof (v4l2_fg->point_cb_value) ==
sizeof (fg->point_cb_value));
G_STATIC_ASSERT (sizeof (v4l2_fg->point_cb_scaling) ==
sizeof (fg->point_cb_scaling));
G_STATIC_ASSERT (sizeof (v4l2_fg->point_cr_value) ==
sizeof (fg->point_cr_value));
G_STATIC_ASSERT (sizeof (v4l2_fg->point_cr_scaling) ==
sizeof (fg->point_cr_scaling));
G_STATIC_ASSERT (sizeof (v4l2_fg->ar_coeffs_y_plus_128) ==
sizeof (fg->ar_coeffs_y_plus_128));
G_STATIC_ASSERT (sizeof (v4l2_fg->ar_coeffs_cb_plus_128) ==
sizeof (fg->ar_coeffs_cb_plus_128));
G_STATIC_ASSERT (sizeof (v4l2_fg->ar_coeffs_cr_plus_128) ==
sizeof (fg->ar_coeffs_cr_plus_128));
memcpy (v4l2_fg->point_y_value, fg->point_y_value,
sizeof (v4l2_fg->point_y_value));
memcpy (v4l2_fg->point_y_scaling, fg->point_y_scaling,
sizeof (v4l2_fg->point_y_scaling));
memcpy (v4l2_fg->point_cb_value, fg->point_cb_value,
sizeof (v4l2_fg->point_cb_value));
memcpy (v4l2_fg->point_cb_scaling, fg->point_cb_scaling,
sizeof (v4l2_fg->point_cb_scaling));
memcpy (v4l2_fg->point_cr_value, fg->point_cr_value,
sizeof (v4l2_fg->point_cr_value));
memcpy (v4l2_fg->point_cr_scaling, fg->point_cr_scaling,
sizeof (v4l2_fg->point_cr_scaling));
memcpy (v4l2_fg->ar_coeffs_y_plus_128, fg->ar_coeffs_y_plus_128,
sizeof (v4l2_fg->ar_coeffs_y_plus_128));
memcpy (v4l2_fg->ar_coeffs_cb_plus_128, fg->ar_coeffs_cb_plus_128,
sizeof (v4l2_fg->ar_coeffs_cb_plus_128));
memcpy (v4l2_fg->ar_coeffs_cr_plus_128, fg->ar_coeffs_cr_plus_128,
sizeof (v4l2_fg->ar_coeffs_cr_plus_128));
}
static void
gst_v4l2_codec_av1_dec_fill_frame_hdr (GstV4l2CodecAV1Dec * self,
const GstAV1Picture * pic, const GstAV1Dpb * reference_frames)
{
const GstAV1FrameHeaderOBU *f = &pic->frame_hdr;
const GstAV1TileInfo *ti = &f->tile_info;
const GstAV1QuantizationParams *q = &f->quantization_params;
const GstAV1SegmenationParams *seg = &f->segmentation_params; /* FIXME: send patch upstream to fix spelling on the parser s/segmenation/segmentation */
const GstAV1LoopFilterParams *lf = &f->loop_filter_params;
const GstAV1LoopRestorationParams *lr = &f->loop_restoration_params;
guint i;
G_STATIC_ASSERT (sizeof (self->v4l2_frame.
loop_restoration.frame_restoration_type) ==
sizeof (lr->frame_restoration_type));
G_STATIC_ASSERT (sizeof (self->v4l2_frame.buffer_removal_time) ==
sizeof (f->buffer_removal_time));
G_STATIC_ASSERT (sizeof (self->v4l2_frame.order_hints) ==
sizeof (f->order_hints));
G_STATIC_ASSERT (sizeof (self->v4l2_frame.skip_mode_frame) ==
sizeof (f->skip_mode_frame));
self->v4l2_frame = (struct v4l2_ctrl_av1_frame) {
/* *INDENT-OFF* */
.flags =
(f->show_frame ? V4L2_AV1_FRAME_FLAG_SHOW_FRAME : 0) |
(f->showable_frame ? V4L2_AV1_FRAME_FLAG_SHOWABLE_FRAME : 0) |
(f->error_resilient_mode ? V4L2_AV1_FRAME_FLAG_ERROR_RESILIENT_MODE : 0) |
(f->disable_cdf_update ? V4L2_AV1_FRAME_FLAG_DISABLE_CDF_UPDATE : 0) |
(f->allow_screen_content_tools ? V4L2_AV1_FRAME_FLAG_ALLOW_SCREEN_CONTENT_TOOLS : 0) |
(f->force_integer_mv ? V4L2_AV1_FRAME_FLAG_FORCE_INTEGER_MV : 0) |
(f->allow_intrabc ? V4L2_AV1_FRAME_FLAG_ALLOW_INTRABC : 0) |
(f->use_superres ? V4L2_AV1_FRAME_FLAG_USE_SUPERRES : 0) |
(f->allow_high_precision_mv ? V4L2_AV1_FRAME_FLAG_ALLOW_HIGH_PRECISION_MV : 0) |
(f->is_motion_mode_switchable ? V4L2_AV1_FRAME_FLAG_IS_MOTION_MODE_SWITCHABLE : 0) |
(f->use_ref_frame_mvs ? V4L2_AV1_FRAME_FLAG_USE_REF_FRAME_MVS : 0) |
(f->disable_frame_end_update_cdf ? V4L2_AV1_FRAME_FLAG_DISABLE_FRAME_END_UPDATE_CDF : 0) |
(f->allow_warped_motion ? V4L2_AV1_FRAME_FLAG_ALLOW_WARPED_MOTION : 0) |
(f->reference_select ? V4L2_AV1_FRAME_FLAG_REFERENCE_SELECT : 0) |
(f->reduced_tx_set ? V4L2_AV1_FRAME_FLAG_REDUCED_TX_SET : 0) |
(f->skip_mode_frame[0] > 0 ? V4L2_AV1_FRAME_FLAG_SKIP_MODE_ALLOWED : 0) |
(f->skip_mode_present ? V4L2_AV1_FRAME_FLAG_SKIP_MODE_PRESENT : 0) |
(f->frame_size_override_flag ? V4L2_AV1_FRAME_FLAG_FRAME_SIZE_OVERRIDE : 0) |
(f->buffer_removal_time_present_flag ? V4L2_AV1_FRAME_FLAG_BUFFER_REMOVAL_TIME_PRESENT : 0) |
(f->frame_refs_short_signaling ? V4L2_AV1_FRAME_FLAG_FRAME_REFS_SHORT_SIGNALING : 0),
.order_hint = f->order_hint,
.superres_denom = f->superres_denom,
.upscaled_width = f->upscaled_width,
.frame_width_minus_1 = f->frame_width - 1,
.frame_height_minus_1 = f->frame_height - 1,
.render_width_minus_1 = f->render_width - 1,
.render_height_minus_1 = f->render_height - 1,
.current_frame_id = f->current_frame_id,
.primary_ref_frame = f->primary_ref_frame,
.refresh_frame_flags = f->refresh_frame_flags,
.tile_info = (struct v4l2_av1_tile_info) {
.flags =
(f->tile_info.uniform_tile_spacing_flag ? V4L2_AV1_TILE_INFO_FLAG_UNIFORM_TILE_SPACING : 0),
.tile_size_bytes = f->tile_info.tile_size_bytes,
.context_update_tile_id = f->tile_info.context_update_tile_id,
.tile_cols = f->tile_info.tile_cols,
.tile_rows = f->tile_info.tile_rows,
},
.quantization = (struct v4l2_av1_quantization) {
.flags =
(q->diff_uv_delta ? V4L2_AV1_QUANTIZATION_FLAG_DIFF_UV_DELTA : 0) |
(q->using_qmatrix ? V4L2_AV1_QUANTIZATION_FLAG_USING_QMATRIX : 0) |
(q->delta_q_present ? V4L2_AV1_QUANTIZATION_FLAG_DELTA_Q_PRESENT : 0),
.base_q_idx = q->base_q_idx,
.delta_q_y_dc = q->delta_q_y_dc,
.delta_q_u_dc = q->delta_q_u_dc,
.delta_q_u_ac = q->delta_q_u_ac,
.delta_q_v_dc = q->delta_q_v_dc,
.delta_q_v_ac = q->delta_q_v_ac,
.qm_y = q->qm_y,
.qm_u = q->qm_u,
.qm_v = q->qm_v,
.delta_q_res = q->delta_q_res,
},
.segmentation = (struct v4l2_av1_segmentation) {
.flags =
(seg->segmentation_enabled ? V4L2_AV1_SEGMENTATION_FLAG_ENABLED : 0) |
(seg->segmentation_update_map ? V4L2_AV1_SEGMENTATION_FLAG_UPDATE_MAP : 0) |
(seg->segmentation_temporal_update ? V4L2_AV1_SEGMENTATION_FLAG_TEMPORAL_UPDATE : 0) |
(seg->segmentation_update_data ? V4L2_AV1_SEGMENTATION_FLAG_UPDATE_DATA : 0) |
(seg->seg_id_pre_skip ? V4L2_AV1_SEGMENTATION_FLAG_SEG_ID_PRE_SKIP : 0),
.last_active_seg_id = seg->last_active_seg_id,
},
.loop_filter = (struct v4l2_av1_loop_filter) {
.flags =
(lf->loop_filter_delta_enabled ? V4L2_AV1_LOOP_FILTER_FLAG_DELTA_ENABLED : 0) |
(lf->loop_filter_delta_update ? V4L2_AV1_LOOP_FILTER_FLAG_DELTA_UPDATE : 0) |
(lf->delta_lf_present ? V4L2_AV1_LOOP_FILTER_FLAG_DELTA_LF_PRESENT : 0) |
(lf->delta_lf_multi ? V4L2_AV1_LOOP_FILTER_FLAG_DELTA_LF_MULTI : 0),
.sharpness = lf->loop_filter_sharpness,
.delta_lf_res = lf->delta_lf_res,
},
.cdef = (struct v4l2_av1_cdef) {
.damping_minus_3 = f->cdef_params.cdef_damping - 3, /* FIXME: is minus 3 really needed? */
.bits = f->cdef_params.cdef_bits,
},
.loop_restoration = (struct v4l2_av1_loop_restoration) {
.flags =
(lr->uses_lr ? V4L2_AV1_LOOP_RESTORATION_FLAG_USES_LR : 0) |
(lr->frame_restoration_type[1] ? V4L2_AV1_LOOP_RESTORATION_FLAG_USES_CHROMA_LR : 0),
.lr_unit_shift = lr->lr_unit_shift,
.lr_uv_shift = lr->lr_uv_shift,
}
/* *INDENT-ON* */
};
switch (f->frame_type) {
case GST_AV1_KEY_FRAME:
self->v4l2_frame.frame_type = V4L2_AV1_KEY_FRAME;
break;
case GST_AV1_INTER_FRAME:
self->v4l2_frame.frame_type = V4L2_AV1_INTER_FRAME;
break;
case GST_AV1_INTRA_ONLY_FRAME:
self->v4l2_frame.frame_type = V4L2_AV1_INTRA_ONLY_FRAME;
break;
case GST_AV1_SWITCH_FRAME:
self->v4l2_frame.frame_type = V4L2_AV1_SWITCH_FRAME;
break;
}
switch (f->interpolation_filter) {
case GST_AV1_INTERPOLATION_FILTER_EIGHTTAP:
self->v4l2_frame.interpolation_filter =
V4L2_AV1_INTERPOLATION_FILTER_EIGHTTAP;
break;
case GST_AV1_INTERPOLATION_FILTER_EIGHTTAP_SMOOTH:
self->v4l2_frame.interpolation_filter =
V4L2_AV1_INTERPOLATION_FILTER_EIGHTTAP_SMOOTH;
break;
case GST_AV1_INTERPOLATION_FILTER_EIGHTTAP_SHARP:
self->v4l2_frame.interpolation_filter =
V4L2_AV1_INTERPOLATION_FILTER_EIGHTTAP_SHARP;
break;
case GST_AV1_INTERPOLATION_FILTER_BILINEAR:
self->v4l2_frame.interpolation_filter =
V4L2_AV1_INTERPOLATION_FILTER_BILINEAR;
break;
case GST_AV1_INTERPOLATION_FILTER_SWITCHABLE:
self->v4l2_frame.interpolation_filter =
V4L2_AV1_INTERPOLATION_FILTER_SWITCHABLE;
break;
}
switch (f->tx_mode) {
case GST_AV1_TX_MODE_ONLY_4x4:
self->v4l2_frame.tx_mode = V4L2_AV1_TX_MODE_ONLY_4X4;
break;
case GST_AV1_TX_MODE_LARGEST:
self->v4l2_frame.tx_mode = V4L2_AV1_TX_MODE_LARGEST;
break;
case GST_AV1_TX_MODE_SELECT:
self->v4l2_frame.tx_mode = V4L2_AV1_TX_MODE_SELECT;
break;
}
for (i = 0; i < V4L2_AV1_NUM_PLANES_MAX; i++)
switch (lr->frame_restoration_type[i]) {
case GST_AV1_FRAME_RESTORE_NONE:
self->v4l2_frame.loop_restoration.frame_restoration_type[i] =
V4L2_AV1_FRAME_RESTORE_NONE;
break;
case GST_AV1_FRAME_RESTORE_WIENER:
self->v4l2_frame.loop_restoration.frame_restoration_type[i] =
V4L2_AV1_FRAME_RESTORE_WIENER;
break;
case GST_AV1_FRAME_RESTORE_SGRPROJ:
self->v4l2_frame.loop_restoration.frame_restoration_type[i] =
V4L2_AV1_FRAME_RESTORE_SGRPROJ;
break;
case GST_AV1_FRAME_RESTORE_SWITCHABLE:
self->v4l2_frame.loop_restoration.frame_restoration_type[i] =
V4L2_AV1_FRAME_RESTORE_SWITCHABLE;
break;
}
gst_v4l2_codec_av1_fill_refs (self, f, reference_frames);
gst_v4l2_codec_av1_fill_tile_info (self, ti);
gst_v4l2_codec_av1_fill_segmentation (self, seg);
gst_v4l2_codec_av1_fill_loop_filter (self, lf);
gst_v4l2_codec_av1_fill_cdef (self, &f->cdef_params);
gst_v4l2_codec_av1_fill_loop_restoration (self, &f->loop_restoration_params);
gst_v4l2_codec_av1_fill_global_motion (self, &f->global_motion_params);
if (self->fill_film_grain)
gst_v4l2_codec_av1_fill_film_grain (self, &f->film_grain_params);
memcpy (self->v4l2_frame.buffer_removal_time, f->buffer_removal_time,
sizeof (self->v4l2_frame.buffer_removal_time));
memcpy (self->v4l2_frame.order_hints, f->order_hints,
sizeof (self->v4l2_frame.order_hints));
memcpy (self->v4l2_frame.skip_mode_frame, f->skip_mode_frame,
sizeof (self->v4l2_frame.skip_mode_frame));
}
static GstFlowReturn
gst_v4l2_codec_av1_dec_new_sequence (GstAV1Decoder * decoder,
const GstAV1SequenceHeaderOBU * seq_hdr, gint max_dpb_size)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
/* we'll use this as a hint to allow smaller resolution to be decoded
* without sending new caps, but some better signalling would be nice from
* the base class. */
self->operating_point_idc = seq_hdr->operating_points[0].idc;
gst_v4l2_codec_av1_dec_fill_sequence_params (self, seq_hdr);
self->min_pool_size = max_dpb_size;
self->need_sequence = TRUE;
return GST_FLOW_OK;
}
static void
gst_v4l2_codec_av1_dec_reset_picture (GstV4l2CodecAV1Dec * self)
{
gst_v4l2_codec_av1_reset_bitstream (self);
g_array_set_size (self->tile_group_entries, 0);
}
static GstFlowReturn
gst_v4l2_codec_av1_dec_new_picture (GstAV1Decoder * decoder,
GstVideoCodecFrame * frame, GstAV1Picture * picture)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
GstAV1FrameHeaderOBU *frame_hdr = &picture->frame_hdr;
struct v4l2_ctrl_av1_sequence *seq_hdr = &self->v4l2_sequence;
gint max_width;
gint max_height;
max_width = seq_hdr->max_frame_width_minus_1 + 1;
max_height = seq_hdr->max_frame_height_minus_1 + 1;
if (self->vinfo.finfo->format == GST_VIDEO_FORMAT_UNKNOWN)
self->need_negotiation = TRUE;
/* FIXME the base class could signal this, but let's assume that when we
* have spatial layers, that smaller resolution will never be shown, and
* that the max size can be assumed to be render size. */
if ((self->operating_point_idc >> 8)) {
if (self->frame_width != max_width || self->frame_height != max_height) {
self->frame_width = self->render_width = max_width;
self->frame_height = self->render_height = max_height;
self->need_negotiation = TRUE;
GST_INFO_OBJECT (self, "max {width|height} changed to %dx%d",
self->frame_width, self->frame_height);
}
if (self->frame_height < frame_hdr->frame_height || self->frame_width <
frame_hdr->upscaled_width) {
GST_ELEMENT_ERROR (self, CORE, NEGOTIATION,
("SVC AV1 frame is larger then sequence max size."),
("Frame have size %dx%d but the max size is %dx%d",
frame_hdr->upscaled_width, frame_hdr->frame_height,
max_width, max_height));
return GST_FLOW_ERROR;
}
} else if (self->frame_width != frame_hdr->upscaled_width ||
self->frame_height != frame_hdr->frame_height ||
self->render_width != frame_hdr->render_width ||
self->render_height != frame_hdr->render_height) {
self->frame_width = frame_hdr->upscaled_width;
self->frame_height = frame_hdr->frame_height;
self->render_width = frame_hdr->render_width;
self->render_height = frame_hdr->render_height;
self->need_negotiation = TRUE;
GST_INFO_OBJECT (self, "frame {width|height} changed to %dx%d",
self->frame_width, self->frame_height);
GST_INFO_OBJECT (self, "render {width|height} changed to %dx%d",
self->render_width, self->render_height);
}
if (self->bit_depth != seq_hdr->bit_depth) {
GST_DEBUG_OBJECT (self, "bit-depth changed from %d to %d", self->bit_depth,
seq_hdr->bit_depth);
self->bit_depth = seq_hdr->bit_depth;
self->need_negotiation = TRUE;
}
if (self->profile != GST_AV1_PROFILE_UNDEFINED &&
seq_hdr->seq_profile != self->profile) {
GST_DEBUG_OBJECT (self, "profile changed from %d to %d", self->profile,
seq_hdr->seq_profile);
self->profile = seq_hdr->seq_profile;
self->need_negotiation = TRUE;
}
if (seq_hdr->bit_depth != self->bit_depth) {
GST_DEBUG_OBJECT (self, "bit-depth changed from %d to %d",
self->bit_depth, seq_hdr->bit_depth);
self->bit_depth = seq_hdr->bit_depth;
self->need_negotiation = TRUE;
}
if (self->need_negotiation) {
if (frame_hdr->frame_type != GST_AV1_KEY_FRAME) {
GST_ERROR_OBJECT (self,
"Inter-frame resolution changes are not yet supported in v4l2");
return GST_FLOW_ERROR;
}
if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) {
GST_ERROR_OBJECT (self, "Failed to negotiate with downstream");
return GST_FLOW_ERROR;
}
/* Check if we can zero-copy buffers */
if (!self->has_videometa) {
GstVideoInfo ref_vinfo;
gint i;
gst_video_info_set_format (&ref_vinfo,
GST_VIDEO_INFO_FORMAT (&self->vinfo),
self->render_width, self->render_height);
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&self->vinfo); i++) {
if (self->vinfo.stride[i] != ref_vinfo.stride[i] ||
self->vinfo.offset[i] != ref_vinfo.offset[i]) {
GST_WARNING_OBJECT (self,
"GstVideoMeta support required, copying frames.");
self->copy_frames = TRUE;
break;
}
}
} else {
self->copy_frames = FALSE;
}
}
/*
* if for any reason the base class has dropped the frame midway through
* decoding, then make sure we start off with a clean slate and that the
* GstMemory is unmapped.
*/
gst_v4l2_codec_av1_dec_reset_picture (self);
return gst_v4l2_codec_av1_dec_ensure_bitstream (self);
}
static GstAV1Picture *
gst_v4l2_codec_av1_dec_duplicate_picture (GstAV1Decoder * decoder,
GstVideoCodecFrame * frame, GstAV1Picture * picture)
{
GstAV1Picture *new_picture;
GST_DEBUG_OBJECT (decoder, "Duplicate picture %u",
GST_CODEC_PICTURE_FRAME_NUMBER (picture));
new_picture = gst_av1_picture_new ();
new_picture->frame_hdr = picture->frame_hdr;
GST_CODEC_PICTURE_COPY_FRAME_NUMBER (new_picture, picture);
if (GST_MINI_OBJECT_FLAG_IS_SET (picture, FLAG_PICTURE_HOLDS_BUFFER)) {
GstBuffer *output_buffer = gst_av1_picture_get_user_data (picture);
if (output_buffer) {
frame->output_buffer = gst_buffer_ref (output_buffer);
gst_av1_picture_set_user_data (new_picture,
gst_buffer_ref (frame->output_buffer),
(GDestroyNotify) gst_buffer_unref);
}
GST_MINI_OBJECT_FLAG_SET (new_picture, FLAG_PICTURE_HOLDS_BUFFER);
} else {
GstV4l2Request *request = gst_av1_picture_get_user_data (picture);
gst_av1_picture_set_user_data (new_picture, gst_v4l2_request_ref (request),
(GDestroyNotify) gst_v4l2_request_unref);
frame->output_buffer = gst_v4l2_request_dup_pic_buf (request);
}
return new_picture;
}
static GstFlowReturn
gst_v4l2_codec_av1_dec_start_picture (GstAV1Decoder * decoder,
GstAV1Picture * picture, GstAV1Dpb * dpb)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
gst_v4l2_codec_av1_dec_fill_frame_hdr (self, picture, dpb);
return GST_FLOW_OK;
}
static GstFlowReturn
_copy_into_bitstream_buffer (GstV4l2CodecAV1Dec * self, guint8 * src, gsize len)
{
guint8 *bitstream_ptr = self->bitstream_map.data + self->bitstream_map.size;
if (self->bitstream_map.size + len > self->bitstream_map.maxsize) {
GST_ELEMENT_ERROR (self, RESOURCE, NO_SPACE_LEFT,
("Not enough space left on the bitstream buffer."), (NULL));
gst_v4l2_codec_av1_dec_reset_picture (self);
return GST_FLOW_ERROR;
}
memcpy (bitstream_ptr, src, len);
self->bitstream_map.size += len;
return GST_FLOW_OK;
}
static GstFlowReturn
gst_v4l2_codec_av1_dec_decode_tile (GstAV1Decoder * decoder,
GstAV1Picture * picture, GstAV1Tile * tile)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
GstAV1TileGroupOBU *tile_group = &tile->tile_group;
struct v4l2_ctrl_av1_tile_group_entry v4l2_tile_group_entry;
guint32 obu_offset = self->bitstream_map.size;
gint i;
for (i = tile_group->tg_start; i <= tile_group->tg_end; i++) {
v4l2_tile_group_entry = (struct v4l2_ctrl_av1_tile_group_entry) {
.tile_offset = tile_group->entry[i].tile_offset + obu_offset,
.tile_size = tile_group->entry[i].tile_size,
.tile_row = tile_group->entry[i].tile_row,
.tile_col = tile_group->entry[i].tile_col,
};
GST_DEBUG_OBJECT (self,
"Decoded tile group entry %d of size %d at offset %d, rows: %d, cols %d",
self->tile_group_entries->len, v4l2_tile_group_entry.tile_size,
v4l2_tile_group_entry.tile_offset, v4l2_tile_group_entry.tile_row,
v4l2_tile_group_entry.tile_col);
g_array_append_val (self->tile_group_entries, v4l2_tile_group_entry);
}
return _copy_into_bitstream_buffer (self, tile->obu.data, tile->obu.obu_size);
}
static GstFlowReturn
gst_v4l2_codec_av1_dec_end_picture (GstAV1Decoder * decoder,
GstAV1Picture * picture)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
GstVideoCodecFrame *frame;
GstV4l2Request *request;
GstFlowReturn flow_ret;
guint count = 1;
gsize bytesused;
struct v4l2_ctrl_av1_tile_group_entry tge = { };
/* *INDENT-OFF* */
struct v4l2_ext_control decode_params_control[] = {
{
.id = V4L2_CID_STATELESS_AV1_FRAME,
.ptr = &self->v4l2_frame,
.size = sizeof(self->v4l2_frame),
},
{}, /* tile groups */
{}, /* tile group entries */
{}, /* sequence */
{}, /* film grain */
};
/* *INDENT-ON* */
if (self->tile_group_entries->len > 0) {
decode_params_control[count++] = (struct v4l2_ext_control) {
.id = V4L2_CID_STATELESS_AV1_TILE_GROUP_ENTRY,
.ptr = self->tile_group_entries->data,
.size =
g_array_get_element_size (self->tile_group_entries) *
self->tile_group_entries->len,
};
} else {
decode_params_control[count++] = (struct v4l2_ext_control) {
.id = V4L2_CID_STATELESS_AV1_TILE_GROUP_ENTRY,
.ptr = &tge,
.size = sizeof (tge),
};
}
if (self->need_sequence) {
decode_params_control[count++] = (struct v4l2_ext_control) {
.id = V4L2_CID_STATELESS_AV1_SEQUENCE,
.ptr = &self->v4l2_sequence,
.size = sizeof (self->v4l2_sequence),
};
self->need_sequence = FALSE;
}
if (self->fill_film_grain) {
decode_params_control[count++] = (struct v4l2_ext_control) {
.id = V4L2_CID_STATELESS_AV1_FILM_GRAIN,
.ptr = &self->v4l2_film_grain,
.size = sizeof (self->v4l2_film_grain),
};
}
bytesused = self->bitstream_map.size;
gst_memory_unmap (self->bitstream, &self->bitstream_map);
self->bitstream_map = (GstMapInfo) GST_MAP_INFO_INIT;
gst_memory_resize (self->bitstream, 0, bytesused);
frame = gst_video_decoder_get_frame (GST_VIDEO_DECODER (self),
GST_CODEC_PICTURE_FRAME_NUMBER (picture));
g_return_val_if_fail (frame, FALSE);
flow_ret = gst_buffer_pool_acquire_buffer (GST_BUFFER_POOL (self->src_pool),
&frame->output_buffer, NULL);
if (flow_ret != GST_FLOW_OK) {
if (flow_ret == GST_FLOW_FLUSHING)
GST_DEBUG_OBJECT (self, "Frame decoding aborted, we are flushing.");
else
GST_ELEMENT_ERROR (self, RESOURCE, WRITE,
("No more picture buffer available."), (NULL));
goto fail;
}
request = gst_v4l2_decoder_alloc_request (self->decoder,
GST_CODEC_PICTURE_FRAME_NUMBER (picture), self->bitstream,
frame->output_buffer);
gst_video_codec_frame_unref (frame);
if (!request) {
GST_ELEMENT_ERROR (self, RESOURCE, NO_SPACE_LEFT,
("Failed to allocate a media request object."), (NULL));
goto fail;
}
if (!gst_v4l2_decoder_set_controls (self->decoder, request,
decode_params_control, count)) {
GST_ELEMENT_ERROR (self, RESOURCE, WRITE,
("Driver did not accept the bitstream parameters."), (NULL));
goto fail;
}
if (!gst_v4l2_request_queue (request, 0)) {
GST_ELEMENT_ERROR (self, RESOURCE, WRITE,
("Driver did not accept the decode request."), (NULL));
goto fail;
}
gst_av1_picture_set_user_data (picture, request,
(GDestroyNotify) gst_v4l2_request_unref);
gst_v4l2_codec_av1_dec_reset_picture (self);
return GST_FLOW_OK;
fail:
gst_v4l2_codec_av1_dec_reset_picture (self);
return GST_FLOW_ERROR;
}
static gboolean
gst_v4l2_codec_av1_dec_copy_output_buffer (GstV4l2CodecAV1Dec * self,
GstVideoCodecFrame * codec_frame)
{
GstVideoFrame src_frame;
GstVideoFrame dest_frame;
GstVideoInfo dest_vinfo;
GstBuffer *buffer;
gst_video_info_set_format (&dest_vinfo, GST_VIDEO_INFO_FORMAT (&self->vinfo),
self->render_width, self->render_height);
buffer = gst_video_decoder_allocate_output_buffer (GST_VIDEO_DECODER (self));
if (!buffer)
goto fail;
if (!gst_video_frame_map (&src_frame, &self->vinfo,
codec_frame->output_buffer, GST_MAP_READ))
goto fail;
if (!gst_video_frame_map (&dest_frame, &dest_vinfo, buffer, GST_MAP_WRITE)) {
gst_video_frame_unmap (&dest_frame);
goto fail;
}
/* gst_video_frame_copy can crop this, but does not know, so let make it
* think it's all right */
GST_VIDEO_INFO_WIDTH (&src_frame.info) = self->render_width;
GST_VIDEO_INFO_HEIGHT (&src_frame.info) = self->render_height;
if (!gst_video_frame_copy (&dest_frame, &src_frame)) {
gst_video_frame_unmap (&src_frame);
gst_video_frame_unmap (&dest_frame);
goto fail;
}
gst_video_frame_unmap (&src_frame);
gst_video_frame_unmap (&dest_frame);
gst_buffer_replace (&codec_frame->output_buffer, buffer);
gst_buffer_unref (buffer);
return TRUE;
fail:
GST_ERROR_OBJECT (self, "Failed copy output buffer.");
return FALSE;
}
static GstFlowReturn
gst_v4l2_codec_av1_dec_output_picture (GstAV1Decoder * decoder,
GstVideoCodecFrame * frame, GstAV1Picture * picture)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (decoder);
GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
GstV4l2Request *request = NULL;
GstCodecPicture *codec_picture = GST_CODEC_PICTURE (picture);
gint ret;
GST_DEBUG_OBJECT (self, "Output picture %u",
codec_picture->system_frame_number);
if (!GST_MINI_OBJECT_FLAG_IS_SET (picture, FLAG_PICTURE_HOLDS_BUFFER))
request = gst_av1_picture_get_user_data (picture);
if (request) {
ret = gst_v4l2_request_set_done (request);
if (ret == 0) {
GST_ELEMENT_ERROR (self, STREAM, DECODE,
("Decoding frame took too long"), (NULL));
goto error;
} else if (ret < 0) {
GST_ELEMENT_ERROR (self, STREAM, DECODE,
("Decoding request failed: %s", g_strerror (errno)), (NULL));
goto error;
}
if (gst_v4l2_request_failed (request)) {
GST_ELEMENT_ERROR (self, STREAM, DECODE,
("Failed to decode frame %u", codec_picture->system_frame_number),
(NULL));
goto error;
}
/* Hold on reference buffers for the rest of the picture lifetime */
gst_av1_picture_set_user_data (picture,
gst_buffer_ref (frame->output_buffer),
(GDestroyNotify) gst_buffer_unref);
GST_MINI_OBJECT_FLAG_SET (picture, FLAG_PICTURE_HOLDS_BUFFER);
}
/* This may happen if we duplicate a picture witch failed to decode */
if (!frame->output_buffer) {
GST_ELEMENT_ERROR (self, STREAM, DECODE,
("Failed to decode frame %u", codec_picture->system_frame_number),
(NULL));
goto error;
}
if (self->copy_frames)
gst_v4l2_codec_av1_dec_copy_output_buffer (self, frame);
gst_av1_picture_unref (picture);
return gst_video_decoder_finish_frame (vdec, frame);
error:
gst_video_decoder_drop_frame (vdec, frame);
gst_av1_picture_unref (picture);
return GST_FLOW_ERROR;
}
static void
gst_v4l2_codec_av1_dec_dispose (GObject * object)
{
GstV4l2CodecAV1Dec *self = GST_V4L2_CODEC_AV1_DEC (object);
g_clear_object (&self->decoder);
g_clear_pointer (&self->tile_group_entries, g_array_unref);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_v4l2_codec_av1_dec_subclass_init (GstV4l2CodecAV1DecClass * klass,
GstV4l2CodecDevice * device)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
GstAV1DecoderClass *av1decoder_class = GST_AV1_DECODER_CLASS (klass);
gobject_class->set_property = gst_v4l2_codec_av1_dec_set_property;
gobject_class->get_property = gst_v4l2_codec_av1_dec_get_property;
gobject_class->dispose = gst_v4l2_codec_av1_dec_dispose;
gst_element_class_set_static_metadata (element_class,
"V4L2 Stateless AV1 Video Decoder",
"Codec/Decoder/Video/Hardware",
"A V4L2 based AV1 video decoder",
"Daniel Almeida <daniel.almeida@collabora.com>");
gst_element_class_add_static_pad_template (element_class, &sink_template);
gst_element_class_add_static_pad_template (element_class, &src_template);
element_class->change_state =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_change_state);
decoder_class->open = GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_open);
decoder_class->close = GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_close);
decoder_class->stop = GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_stop);
decoder_class->negotiate =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_negotiate);
decoder_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_decide_allocation);
decoder_class->flush = GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_flush);
decoder_class->sink_event =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_sink_event);
av1decoder_class->new_sequence =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_new_sequence);
av1decoder_class->new_picture =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_new_picture);
av1decoder_class->start_picture =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_start_picture);
av1decoder_class->decode_tile =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_decode_tile);
av1decoder_class->end_picture =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_end_picture);
av1decoder_class->output_picture =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_output_picture);
av1decoder_class->duplicate_picture =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_duplicate_picture);
av1decoder_class->get_preferred_output_delay =
GST_DEBUG_FUNCPTR (gst_v4l2_codec_av1_dec_get_preferred_output_delay);
klass->device = device;
gst_v4l2_decoder_install_properties (gobject_class, PROP_LAST, device);
}
static void
gst_v4l2_codec_av1_dec_subinit (GstV4l2CodecAV1Dec * self,
GstV4l2CodecAV1DecClass * klass)
{
self->decoder = gst_v4l2_decoder_new (klass->device);
gst_video_info_init (&self->vinfo);
self->tile_group_entries =
g_array_new (FALSE, TRUE, sizeof (struct v4l2_ctrl_av1_tile_group_entry));
}
static void
gst_v4l2_codec_av1_dec_class_init (GstV4l2CodecAV1DecClass * klass)
{
}
static void
gst_v4l2_codec_av1_dec_init (GstV4l2CodecAV1Dec * self)
{
}
void
gst_v4l2_codec_av1_dec_register (GstPlugin * plugin, GstV4l2Decoder * decoder,
GstV4l2CodecDevice * device, guint rank)
{
GstCaps *src_caps;
GST_DEBUG_CATEGORY_INIT (v4l2_av1dec_debug, "v4l2codecs-av1dec", 0,
"V4L2 stateless AV1 decoder");
if (!gst_v4l2_decoder_set_sink_fmt (decoder, V4L2_PIX_FMT_AV1_FRAME,
320, 240, 8))
return;
src_caps = gst_v4l2_decoder_enum_src_formats (decoder);
if (gst_caps_is_empty (src_caps)) {
GST_WARNING ("Not registering AV1 decoder since it produces no "
"supported format");
goto done;
}
/* TODO uncomment this when AV1 get included in Linus tree */
#if 0
version = gst_v4l2_decoder_get_version (decoder);
if (version < V4L2_MIN_KERNEL_VERSION)
GST_WARNING ("V4L2 API v%u.%u too old, at least v%u.%u required",
(version >> 16) & 0xff, (version >> 8) & 0xff,
V4L2_MIN_KERNEL_VER_MAJOR, V4L2_MIN_KERNEL_VER_MINOR);
#endif
if (!gst_v4l2_decoder_av1_api_check (decoder)) {
GST_WARNING ("Not registering H264 decoder as it failed ABI check.");
goto done;
}
gst_v4l2_decoder_register (plugin, GST_TYPE_V4L2_CODEC_AV1_DEC,
(GClassInitFunc) gst_v4l2_codec_av1_dec_subclass_init,
gst_mini_object_ref (GST_MINI_OBJECT (device)),
(GInstanceInitFunc) gst_v4l2_codec_av1_dec_subinit,
"v4l2sl%sav1dec", device, rank, NULL);
done:
gst_caps_unref (src_caps);
}
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