mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-09 05:38:58 +00:00
Context query is handled either by source and sink queries. This patch factors-out its handling in a common utility function. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1999>
657 lines
19 KiB
C
657 lines
19 KiB
C
/* GStreamer
|
|
* Copyright (C) 2020 Igalia, S.L.
|
|
* Author: Víctor Jáquez <vjaquez@igalia.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.
|
|
*/
|
|
|
|
#include "gstvabasedec.h"
|
|
|
|
#include "gstvaallocator.h"
|
|
#include "gstvacaps.h"
|
|
#include "gstvapool.h"
|
|
#include "gstvautils.h"
|
|
#include "gstvavideoformat.h"
|
|
|
|
#define GST_CAT_DEFAULT (base->debug_category)
|
|
|
|
#define parent_class gst_va_base_dec_parent_class
|
|
gpointer gst_va_base_dec_parent_class = NULL;
|
|
|
|
static gboolean
|
|
gst_va_base_dec_open (GstVideoDecoder * decoder)
|
|
{
|
|
GstVaBaseDec *base = GST_VA_BASE_DEC (decoder);
|
|
GstVaBaseDecClass *klass = GST_VA_BASE_DEC_GET_CLASS (decoder);
|
|
gboolean ret = FALSE;
|
|
|
|
if (!gst_va_ensure_element_data (decoder, klass->render_device_path,
|
|
&base->display))
|
|
return FALSE;
|
|
|
|
if (!g_atomic_pointer_get (&base->decoder)) {
|
|
GstVaDecoder *va_decoder;
|
|
|
|
va_decoder = gst_va_decoder_new (base->display, klass->codec);
|
|
if (va_decoder)
|
|
ret = TRUE;
|
|
|
|
gst_object_replace ((GstObject **) (&base->decoder),
|
|
(GstObject *) va_decoder);
|
|
gst_clear_object (&va_decoder);
|
|
} else {
|
|
ret = TRUE;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
gboolean
|
|
gst_va_base_dec_close (GstVideoDecoder * decoder)
|
|
{
|
|
GstVaBaseDec *base = GST_VA_BASE_DEC (decoder);
|
|
|
|
gst_clear_object (&base->decoder);
|
|
gst_clear_object (&base->display);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_va_base_dec_stop (GstVideoDecoder * decoder)
|
|
{
|
|
GstVaBaseDec *base = GST_VA_BASE_DEC (decoder);
|
|
|
|
if (!gst_va_decoder_close (base->decoder))
|
|
return FALSE;
|
|
|
|
if (base->output_state)
|
|
gst_video_codec_state_unref (base->output_state);
|
|
base->output_state = NULL;
|
|
|
|
if (base->other_pool)
|
|
gst_buffer_pool_set_active (base->other_pool, FALSE);
|
|
gst_clear_object (&base->other_pool);
|
|
|
|
return GST_VIDEO_DECODER_CLASS (parent_class)->stop (decoder);
|
|
}
|
|
|
|
static GstCaps *
|
|
gst_va_base_dec_getcaps (GstVideoDecoder * decoder, GstCaps * filter)
|
|
{
|
|
GstCaps *caps = NULL, *tmp;
|
|
GstVaBaseDec *base = GST_VA_BASE_DEC (decoder);
|
|
GstVaDecoder *va_decoder = NULL;
|
|
|
|
gst_object_replace ((GstObject **) & va_decoder, (GstObject *) base->decoder);
|
|
|
|
if (va_decoder) {
|
|
caps = gst_va_decoder_get_sinkpad_caps (va_decoder);
|
|
gst_object_unref (va_decoder);
|
|
}
|
|
|
|
if (caps) {
|
|
if (filter) {
|
|
tmp = gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
|
|
gst_caps_unref (caps);
|
|
caps = tmp;
|
|
}
|
|
GST_LOG_OBJECT (base, "Returning caps %" GST_PTR_FORMAT, caps);
|
|
} else {
|
|
caps = gst_video_decoder_proxy_getcaps (decoder, NULL, filter);
|
|
}
|
|
|
|
return caps;
|
|
}
|
|
|
|
static gboolean
|
|
_query_context (GstVaBaseDec * self, GstQuery * query)
|
|
{
|
|
GstVaDisplay *display = NULL;
|
|
gboolean ret;
|
|
|
|
gst_object_replace ((GstObject **) & display, (GstObject *) self->display);
|
|
ret = gst_va_handle_context_query (GST_ELEMENT_CAST (self), query, display);
|
|
gst_clear_object (&display);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_va_base_dec_src_query (GstVideoDecoder * decoder, GstQuery * query)
|
|
{
|
|
GstVaBaseDec *base = GST_VA_BASE_DEC (decoder);
|
|
gboolean ret = FALSE;
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
case GST_QUERY_CONTEXT:{
|
|
ret = _query_context (base, query);
|
|
break;
|
|
}
|
|
case GST_QUERY_CAPS:{
|
|
GstCaps *caps = NULL, *tmp, *filter = NULL;
|
|
GstVaDecoder *va_decoder = NULL;
|
|
gboolean fixed_caps;
|
|
|
|
gst_object_replace ((GstObject **) & va_decoder,
|
|
(GstObject *) base->decoder);
|
|
|
|
gst_query_parse_caps (query, &filter);
|
|
|
|
fixed_caps = GST_PAD_IS_FIXED_CAPS (GST_VIDEO_DECODER_SRC_PAD (decoder));
|
|
|
|
if (!fixed_caps && va_decoder)
|
|
caps = gst_va_decoder_get_srcpad_caps (va_decoder);
|
|
|
|
gst_clear_object (&va_decoder);
|
|
|
|
if (caps) {
|
|
if (filter) {
|
|
tmp =
|
|
gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
|
|
gst_caps_unref (caps);
|
|
caps = tmp;
|
|
}
|
|
|
|
GST_LOG_OBJECT (base, "Returning caps %" GST_PTR_FORMAT, caps);
|
|
gst_query_set_caps_result (query, caps);
|
|
gst_caps_unref (caps);
|
|
ret = TRUE;
|
|
break;
|
|
}
|
|
/* else jump to default */
|
|
}
|
|
default:
|
|
ret = GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query);
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_va_base_dec_sink_query (GstVideoDecoder * decoder, GstQuery * query)
|
|
{
|
|
if (GST_QUERY_TYPE (query) == GST_QUERY_CONTEXT)
|
|
return _query_context (GST_VA_BASE_DEC (decoder), query);
|
|
return GST_VIDEO_DECODER_CLASS (parent_class)->sink_query (decoder, query);
|
|
}
|
|
|
|
static GstAllocator *
|
|
_create_allocator (GstVaBaseDec * base, GstCaps * caps)
|
|
{
|
|
GstAllocator *allocator = NULL;
|
|
|
|
if (gst_caps_is_dmabuf (caps))
|
|
allocator = gst_va_dmabuf_allocator_new (base->display);
|
|
else {
|
|
GArray *surface_formats =
|
|
gst_va_decoder_get_surface_formats (base->decoder);
|
|
allocator = gst_va_allocator_new (base->display, surface_formats);
|
|
}
|
|
|
|
return allocator;
|
|
}
|
|
|
|
static void
|
|
_create_other_pool (GstVaBaseDec * base, GstAllocator * allocator,
|
|
GstAllocationParams * params, GstCaps * caps, guint size)
|
|
{
|
|
GstBufferPool *pool;
|
|
GstStructure *config;
|
|
|
|
gst_clear_object (&base->other_pool);
|
|
|
|
GST_DEBUG_OBJECT (base, "making new other pool for copy");
|
|
|
|
pool = gst_video_buffer_pool_new ();
|
|
config = gst_buffer_pool_get_config (pool);
|
|
|
|
gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
|
|
gst_buffer_pool_config_set_allocator (config, allocator, params);
|
|
if (!gst_buffer_pool_set_config (pool, config)) {
|
|
GST_ERROR_OBJECT (base, "Couldn't configure other pool for copy.");
|
|
gst_clear_object (&pool);
|
|
}
|
|
|
|
base->other_pool = pool;
|
|
}
|
|
|
|
/* We only support system pool and va pool. For va pool, its allocator
|
|
* should be va allocator or dma allocator.
|
|
* If output caps is memory:VAMemory, the pool should be a va pool
|
|
* with va allocator.
|
|
* If output caps is memory:DMABuf, the pool should be a va pool
|
|
* with dma allocator.
|
|
* If output caps is raw(system mem), the pool should be a va pool
|
|
* with va allocator as an internal pool. We need the other_pool,
|
|
* which is a system pool, to copy frames to system mem and output.
|
|
*
|
|
* 1. get allocator in query
|
|
* 1.1 if allocator is not ours and caps is raw, keep it for other_pool.
|
|
* 2. get pool in query
|
|
* 2.1 if pool is not va, downstream doesn't support video meta and
|
|
* caps are raw, keep it as other_pool.
|
|
* 2.2 if there's no pool in query and and caps is raw, create other_pool
|
|
* as GstVideoPool with the non-va from query and query's params.
|
|
* 3. create our allocator and pool if they aren't in query
|
|
* 4. add or update pool and allocator in query
|
|
* 5. set our custom pool configuration
|
|
*/
|
|
static gboolean
|
|
gst_va_base_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
|
|
{
|
|
GstAllocator *allocator = NULL, *other_allocator = NULL;
|
|
GstAllocationParams other_params, params;
|
|
GstBufferPool *pool = NULL, *other_pool = NULL;
|
|
GstCaps *caps = NULL;
|
|
GstVideoInfo info;
|
|
GstVaBaseDec *base = GST_VA_BASE_DEC (decoder);
|
|
guint size = 0, min, max;
|
|
gboolean update_pool = FALSE, update_allocator = FALSE, has_videometa;
|
|
gboolean ret = TRUE;
|
|
|
|
g_assert (base->min_buffers > 0);
|
|
|
|
gst_query_parse_allocation (query, &caps, NULL);
|
|
|
|
if (!(caps && gst_video_info_from_caps (&info, caps)))
|
|
goto wrong_caps;
|
|
|
|
has_videometa = gst_query_find_allocation_meta (query,
|
|
GST_VIDEO_META_API_TYPE, NULL);
|
|
|
|
if (gst_query_get_n_allocation_params (query) > 0) {
|
|
gst_query_parse_nth_allocation_param (query, 0, &allocator, &other_params);
|
|
if (allocator && !(GST_IS_VA_DMABUF_ALLOCATOR (allocator)
|
|
|| GST_IS_VA_ALLOCATOR (allocator))) {
|
|
/* save the allocator for the other pool */
|
|
other_allocator = allocator;
|
|
allocator = NULL;
|
|
}
|
|
update_allocator = TRUE;
|
|
} else {
|
|
gst_allocation_params_init (&other_params);
|
|
}
|
|
|
|
gst_allocation_params_init (¶ms);
|
|
|
|
if (gst_query_get_n_allocation_pools (query) > 0) {
|
|
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
|
|
if (pool) {
|
|
if (!GST_IS_VA_POOL (pool)) {
|
|
GST_DEBUG_OBJECT (base,
|
|
"may need other pool for copy frames %" GST_PTR_FORMAT, pool);
|
|
other_pool = pool;
|
|
pool = NULL;
|
|
}
|
|
}
|
|
|
|
min += base->min_buffers;
|
|
size = MAX (size, GST_VIDEO_INFO_SIZE (&info));
|
|
|
|
update_pool = TRUE;
|
|
} else {
|
|
size = GST_VIDEO_INFO_SIZE (&info);
|
|
min = base->min_buffers;
|
|
max = 0;
|
|
}
|
|
|
|
if (!allocator) {
|
|
if (!(allocator = _create_allocator (base, caps))) {
|
|
ret = FALSE;
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
if (!pool)
|
|
pool = gst_va_pool_new ();
|
|
|
|
{
|
|
GstStructure *config = gst_buffer_pool_get_config (pool);
|
|
|
|
gst_buffer_pool_config_set_params (config, caps, size, min, max);
|
|
gst_buffer_pool_config_set_allocator (config, allocator, ¶ms);
|
|
gst_buffer_pool_config_add_option (config,
|
|
GST_BUFFER_POOL_OPTION_VIDEO_META);
|
|
|
|
if (base->need_valign) {
|
|
gst_buffer_pool_config_add_option (config,
|
|
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
|
|
gst_buffer_pool_config_set_video_alignment (config, &base->valign);
|
|
}
|
|
|
|
gst_buffer_pool_config_set_va_allocation_params (config,
|
|
VA_SURFACE_ATTRIB_USAGE_HINT_DECODER);
|
|
|
|
if (!gst_buffer_pool_set_config (pool, config)) {
|
|
ret = FALSE;
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
if (update_allocator)
|
|
gst_query_set_nth_allocation_param (query, 0, allocator, ¶ms);
|
|
else
|
|
gst_query_add_allocation_param (query, allocator, ¶ms);
|
|
|
|
if (update_pool)
|
|
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
|
|
else
|
|
gst_query_add_allocation_pool (query, pool, size, min, max);
|
|
|
|
base->copy_frames = (!has_videometa && gst_va_pool_requires_video_meta (pool)
|
|
&& gst_caps_is_raw (caps));
|
|
if (base->copy_frames) {
|
|
if (other_pool) {
|
|
gst_object_replace ((GstObject **) & base->other_pool,
|
|
(GstObject *) other_pool);
|
|
} else {
|
|
_create_other_pool (base, other_allocator, &other_params, caps, size);
|
|
}
|
|
GST_DEBUG_OBJECT (base, "Use the other pool for copy %" GST_PTR_FORMAT,
|
|
base->other_pool);
|
|
} else {
|
|
gst_clear_object (&base->other_pool);
|
|
}
|
|
|
|
cleanup:
|
|
gst_clear_object (&allocator);
|
|
gst_clear_object (&other_allocator);
|
|
gst_clear_object (&pool);
|
|
gst_clear_object (&other_pool);
|
|
|
|
/* There's no need to chain decoder's method since all what is
|
|
* needed is done. */
|
|
return ret;
|
|
|
|
wrong_caps:
|
|
{
|
|
GST_WARNING_OBJECT (base, "No valid caps");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_va_base_dec_set_context (GstElement * element, GstContext * context)
|
|
{
|
|
GstVaDisplay *old_display, *new_display;
|
|
GstVaBaseDec *base = GST_VA_BASE_DEC (element);
|
|
GstVaBaseDecClass *klass = GST_VA_BASE_DEC_GET_CLASS (base);
|
|
gboolean ret;
|
|
|
|
old_display = base->display ? gst_object_ref (base->display) : NULL;
|
|
ret = gst_va_handle_set_context (element, context, klass->render_device_path,
|
|
&base->display);
|
|
new_display = base->display ? gst_object_ref (base->display) : NULL;
|
|
|
|
if (!ret
|
|
|| (old_display && new_display && old_display != new_display
|
|
&& base->decoder)) {
|
|
GST_ELEMENT_WARNING (base, RESOURCE, BUSY,
|
|
("Can't replace VA display while operating"), (NULL));
|
|
}
|
|
|
|
gst_clear_object (&old_display);
|
|
gst_clear_object (&new_display);
|
|
|
|
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
|
|
}
|
|
|
|
void
|
|
gst_va_base_dec_init (GstVaBaseDec * base, GstDebugCategory * cat)
|
|
{
|
|
base->debug_category = cat;
|
|
}
|
|
|
|
void
|
|
gst_va_base_dec_class_init (GstVaBaseDecClass * klass, GstVaCodecs codec,
|
|
const gchar * render_device_path, GstCaps * sink_caps, GstCaps * src_caps,
|
|
GstCaps * doc_src_caps, GstCaps * doc_sink_caps)
|
|
{
|
|
GstPadTemplate *sink_pad_templ, *src_pad_templ;
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
|
GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
|
|
|
|
gst_va_base_dec_parent_class = g_type_class_peek_parent (klass);
|
|
|
|
klass->codec = codec;
|
|
klass->render_device_path = g_strdup (render_device_path);
|
|
|
|
sink_pad_templ = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
|
|
sink_caps);
|
|
gst_element_class_add_pad_template (element_class, sink_pad_templ);
|
|
|
|
if (doc_sink_caps) {
|
|
gst_pad_template_set_documentation_caps (sink_pad_templ, doc_sink_caps);
|
|
gst_caps_unref (doc_sink_caps);
|
|
}
|
|
|
|
src_pad_templ = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
|
|
src_caps);
|
|
gst_element_class_add_pad_template (element_class, src_pad_templ);
|
|
|
|
if (doc_src_caps) {
|
|
gst_pad_template_set_documentation_caps (src_pad_templ, doc_src_caps);
|
|
gst_caps_unref (doc_src_caps);
|
|
}
|
|
|
|
element_class->set_context = GST_DEBUG_FUNCPTR (gst_va_base_dec_set_context);
|
|
|
|
decoder_class->open = GST_DEBUG_FUNCPTR (gst_va_base_dec_open);
|
|
decoder_class->close = GST_DEBUG_FUNCPTR (gst_va_base_dec_close);
|
|
decoder_class->stop = GST_DEBUG_FUNCPTR (gst_va_base_dec_stop);
|
|
decoder_class->getcaps = GST_DEBUG_FUNCPTR (gst_va_base_dec_getcaps);
|
|
decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_va_base_dec_src_query);
|
|
decoder_class->sink_query = GST_DEBUG_FUNCPTR (gst_va_base_dec_sink_query);
|
|
decoder_class->decide_allocation =
|
|
GST_DEBUG_FUNCPTR (gst_va_base_dec_decide_allocation);
|
|
}
|
|
|
|
static GstVideoFormat
|
|
_default_video_format_from_chroma (guint chroma_type)
|
|
{
|
|
switch (chroma_type) {
|
|
case VA_RT_FORMAT_YUV420:
|
|
case VA_RT_FORMAT_YUV422:
|
|
case VA_RT_FORMAT_YUV444:
|
|
return GST_VIDEO_FORMAT_NV12;
|
|
case VA_RT_FORMAT_YUV420_10:
|
|
case VA_RT_FORMAT_YUV422_10:
|
|
case VA_RT_FORMAT_YUV444_10:
|
|
return GST_VIDEO_FORMAT_P010_10LE;
|
|
default:
|
|
return GST_VIDEO_FORMAT_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
/* Check whether the downstream supports VideoMeta; if not, we need to
|
|
* fallback to the system memory. */
|
|
static gboolean
|
|
_downstream_has_video_meta (GstVaBaseDec * base, GstCaps * caps)
|
|
{
|
|
GstQuery *query;
|
|
gboolean ret = FALSE;
|
|
|
|
query = gst_query_new_allocation (caps, FALSE);
|
|
if (gst_pad_peer_query (GST_VIDEO_DECODER_SRC_PAD (base), query))
|
|
ret = gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
|
|
gst_query_unref (query);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
gst_va_base_dec_get_preferred_format_and_caps_features (GstVaBaseDec * base,
|
|
GstVideoFormat * format, GstCapsFeatures ** capsfeatures)
|
|
{
|
|
GstCaps *peer_caps, *preferred_caps = NULL;
|
|
GstCapsFeatures *features;
|
|
GstStructure *structure;
|
|
const GValue *v_format;
|
|
guint num_structures, i;
|
|
gboolean is_any;
|
|
|
|
g_return_if_fail (base);
|
|
|
|
/* verify if peer caps is any */
|
|
{
|
|
peer_caps =
|
|
gst_pad_peer_query_caps (GST_VIDEO_DECODER_SRC_PAD (base), NULL);
|
|
is_any = gst_caps_is_any (peer_caps);
|
|
gst_clear_caps (&peer_caps);
|
|
}
|
|
|
|
peer_caps = gst_pad_get_allowed_caps (GST_VIDEO_DECODER_SRC_PAD (base));
|
|
GST_DEBUG_OBJECT (base, "Allowed caps %" GST_PTR_FORMAT, peer_caps);
|
|
|
|
/* prefer memory:VASurface over other caps features */
|
|
num_structures = gst_caps_get_size (peer_caps);
|
|
for (i = 0; i < num_structures; i++) {
|
|
features = gst_caps_get_features (peer_caps, i);
|
|
structure = gst_caps_get_structure (peer_caps, i);
|
|
|
|
if (gst_caps_features_is_any (features))
|
|
continue;
|
|
|
|
if (gst_caps_features_contains (features, "memory:VAMemory")) {
|
|
preferred_caps = gst_caps_new_full (gst_structure_copy (structure), NULL);
|
|
gst_caps_set_features_simple (preferred_caps,
|
|
gst_caps_features_copy (features));
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!preferred_caps)
|
|
preferred_caps = peer_caps;
|
|
else
|
|
gst_clear_caps (&peer_caps);
|
|
|
|
if (gst_caps_is_empty (preferred_caps)) {
|
|
if (capsfeatures)
|
|
*capsfeatures = NULL; /* system memory */
|
|
if (format)
|
|
*format = _default_video_format_from_chroma (base->rt_format);
|
|
goto bail;
|
|
}
|
|
|
|
if (capsfeatures) {
|
|
features = gst_caps_get_features (preferred_caps, 0);
|
|
if (features) {
|
|
*capsfeatures = gst_caps_features_copy (features);
|
|
|
|
if (is_any
|
|
&& !gst_caps_features_is_equal (features,
|
|
GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY)
|
|
&& !_downstream_has_video_meta (base, preferred_caps)) {
|
|
GST_INFO_OBJECT (base, "Downstream reports ANY caps but without"
|
|
" VideoMeta support; fallback to system memory.");
|
|
gst_caps_features_free (*capsfeatures);
|
|
*capsfeatures = NULL;
|
|
}
|
|
} else {
|
|
*capsfeatures = NULL;
|
|
}
|
|
}
|
|
|
|
if (!format)
|
|
goto bail;
|
|
|
|
structure = gst_caps_get_structure (preferred_caps, 0);
|
|
v_format = gst_structure_get_value (structure, "format");
|
|
if (!v_format)
|
|
*format = _default_video_format_from_chroma (base->rt_format);
|
|
else if (G_VALUE_HOLDS_STRING (v_format))
|
|
*format = gst_video_format_from_string (g_value_get_string (v_format));
|
|
else if (GST_VALUE_HOLDS_LIST (v_format)) {
|
|
guint num_values = gst_value_list_get_size (v_format);
|
|
for (i = 0; i < num_values; i++) {
|
|
GstVideoFormat fmt;
|
|
const GValue *v_fmt = gst_value_list_get_value (v_format, i);
|
|
if (!v_fmt)
|
|
continue;
|
|
fmt = gst_video_format_from_string (g_value_get_string (v_fmt));
|
|
if (gst_va_chroma_from_video_format (fmt) == base->rt_format) {
|
|
*format = fmt;
|
|
break;
|
|
}
|
|
}
|
|
if (i == num_values)
|
|
*format = _default_video_format_from_chroma (base->rt_format);
|
|
}
|
|
|
|
bail:
|
|
gst_clear_caps (&preferred_caps);
|
|
}
|
|
|
|
gboolean
|
|
gst_va_base_dec_copy_output_buffer (GstVaBaseDec * base,
|
|
GstVideoCodecFrame * codec_frame)
|
|
{
|
|
GstVideoFrame src_frame;
|
|
GstVideoFrame dest_frame;
|
|
GstVideoInfo dest_vinfo;
|
|
GstVideoInfo *src_vinfo;
|
|
GstBuffer *buffer;
|
|
GstFlowReturn ret;
|
|
|
|
g_return_val_if_fail (base && base->output_state, FALSE);
|
|
|
|
if (!base->other_pool)
|
|
return FALSE;
|
|
|
|
if (!gst_buffer_pool_set_active (base->other_pool, TRUE))
|
|
return FALSE;
|
|
|
|
src_vinfo = &base->output_state->info;
|
|
gst_video_info_set_format (&dest_vinfo, GST_VIDEO_INFO_FORMAT (src_vinfo),
|
|
base->width, base->height);
|
|
|
|
ret = gst_buffer_pool_acquire_buffer (base->other_pool, &buffer, NULL);
|
|
if (ret != GST_FLOW_OK)
|
|
goto fail;
|
|
|
|
if (!gst_video_frame_map (&src_frame, src_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 (&src_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) = base->width;
|
|
GST_VIDEO_INFO_HEIGHT (&src_frame.info) = base->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 (base, "Failed copy output buffer.");
|
|
return FALSE;
|
|
}
|