gstreamer/gst/vaapi/gstvaapiencode.c

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/*
* gstvaapiencode.c - VA-API video encoder
*
* Copyright (C) 2013 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include "gst/vaapi/sysdeps.h"
#include <gst/video/videocontext.h>
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapiencoder_priv.h>
#include <gst/vaapi/gstvaapiencoder_objects.h>
#include "gstvaapiencode.h"
#include "gstvaapipluginutil.h"
#include "gstvaapivideometa.h"
#include "gstvaapivideomemory.h"
#include "gstvaapivideobufferpool.h"
#define GST_PLUGIN_NAME "vaapiencode"
#define GST_PLUGIN_DESC "A VA-API based video encoder"
#define GST_VAAPI_ENCODE_FLOW_TIMEOUT GST_FLOW_CUSTOM_SUCCESS
#define GST_VAAPI_ENCODE_FLOW_MEM_ERROR GST_FLOW_CUSTOM_ERROR
#define GST_VAAPI_ENCODE_FLOW_CONVERT_ERROR GST_FLOW_CUSTOM_ERROR_1
#define GST_VAAPI_ENCODE_FLOW_CODEC_DATA_ERROR GST_FLOW_CUSTOM_ERROR_2
typedef struct _GstVaapiEncodeFrameUserData
{
GstVaapiEncObjUserDataHead head;
GstBuffer *vaapi_buf;
} GstVaapiEncodeFrameUserData;
GST_DEBUG_CATEGORY_STATIC (gst_vaapiencode_debug);
#define GST_CAT_DEFAULT gst_vaapiencode_debug
#define GstVideoContextClass GstVideoContextInterface
/* GstImplementsInterface interface */
#if !GST_CHECK_VERSION(1,0,0)
static gboolean
gst_vaapiencode_implements_interface_supported (GstImplementsInterface * iface,
GType type)
{
return (type == GST_TYPE_VIDEO_CONTEXT);
}
static void
gst_vaapiencode_implements_iface_init (GstImplementsInterfaceClass * iface)
{
iface->supported = gst_vaapiencode_implements_interface_supported;
}
#endif
/* context(display) interface */
static void
gst_vaapiencode_set_video_context (GstVideoContext * context,
const gchar * type, const GValue * value)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE (context);
gst_vaapi_set_display (type, value, &encode->display);
}
static void
gst_video_context_interface_init (GstVideoContextInterface * iface)
{
iface->set_context = gst_vaapiencode_set_video_context;
}
G_DEFINE_TYPE_WITH_CODE (GstVaapiEncode,
gst_vaapiencode, GST_TYPE_VIDEO_ENCODER,
#if !GST_CHECK_VERSION(1,0,0)
G_IMPLEMENT_INTERFACE (GST_TYPE_IMPLEMENTS_INTERFACE,
gst_vaapiencode_implements_iface_init);
#endif
G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_CONTEXT,
gst_video_context_interface_init))
static gboolean
gst_vaapiencode_query (GstPad * pad, GstObject * parent,
GstQuery * query)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE (parent);
gboolean success;
GST_DEBUG ("vaapiencode query %s", GST_QUERY_TYPE_NAME (query));
if (gst_vaapi_reply_to_query (query, encode->display))
success = TRUE;
else if (GST_PAD_IS_SINK (pad))
success = encode->sinkpad_query (pad, parent, query);
else
success = encode->srcpad_query (pad, parent, query);;
return success;
}
static GstFlowReturn
gst_vaapiencode_default_allocate_buffer (GstVaapiEncode * encode,
GstVaapiCodedBuffer * coded_buf, GstBuffer ** outbuf_ptr)
{
GstBuffer *buf;
gint32 buf_size;
g_return_val_if_fail (coded_buf != NULL, GST_FLOW_ERROR);
g_return_val_if_fail (outbuf_ptr != NULL, GST_FLOW_ERROR);
if (!gst_vaapi_coded_buffer_map (coded_buf, NULL))
return GST_VAAPI_ENCODE_FLOW_MEM_ERROR;
buf_size = gst_vaapi_coded_buffer_get_size (coded_buf);
if (buf_size <= 0) {
GST_ERROR ("get GstVaapiCodedBuf buffer size:%d", buf_size);
return GST_VAAPI_ENCODE_FLOW_MEM_ERROR;
}
buf =
gst_video_encoder_allocate_output_buffer (GST_VIDEO_ENCODER_CAST (encode),
buf_size);
if (!buf) {
GST_ERROR ("failed to allocate output buffer of size %d", buf_size);
return GST_VAAPI_ENCODE_FLOW_MEM_ERROR;
}
if (!gst_vaapi_coded_buffer_get_buffer (coded_buf, buf)) {
GST_ERROR ("failed to get encoded buffer");
gst_buffer_replace (&buf, NULL);
return GST_VAAPI_ENCODE_FLOW_MEM_ERROR;
}
gst_vaapi_coded_buffer_unmap (coded_buf);
*outbuf_ptr = buf;
return GST_FLOW_OK;
}
static GstFlowReturn
gst_vaapiencode_push_frame (GstVaapiEncode * encode, gint64 ms_timeout)
{
GstVideoEncoder *const venc = GST_VIDEO_ENCODER_CAST (encode);
GstVaapiEncodeClass *klass = GST_VAAPIENCODE_GET_CLASS (encode);
GstVideoCodecFrame *out_frame = NULL;
GstVaapiCodedBufferProxy *coded_buf_proxy = NULL;
GstVaapiCodedBuffer *coded_buf;
GstVaapiEncoderStatus encode_status;
GstBuffer *output_buf;
GstFlowReturn ret;
g_return_val_if_fail (klass->allocate_buffer, GST_FLOW_ERROR);
encode_status = gst_vaapi_encoder_get_buffer (encode->encoder,
&out_frame, &coded_buf_proxy, ms_timeout);
if (encode_status == GST_VAAPI_ENCODER_STATUS_TIMEOUT)
return GST_VAAPI_ENCODE_FLOW_TIMEOUT;
if (encode_status != GST_VAAPI_ENCODER_STATUS_SUCCESS) {
GST_ERROR ("get encoded buffer failed, status:%d", encode_status);
ret = GST_FLOW_ERROR;
goto error;
}
g_assert (out_frame);
gst_video_codec_frame_set_user_data (out_frame, NULL, NULL);
coded_buf = coded_buf_proxy->buffer;
g_assert (coded_buf);
/* alloc buffer */
ret = klass->allocate_buffer (encode, coded_buf, &output_buf);
if (ret != GST_FLOW_OK)
goto error;
out_frame->output_buffer = output_buf;
gst_vaapi_coded_buffer_proxy_replace (&coded_buf_proxy, NULL);
/* check out_caps, need lock first */
GST_VIDEO_ENCODER_STREAM_LOCK (encode);
if (!encode->out_caps_done) {
GstVaapiEncoderStatus encoder_status;
GstVideoCodecState *old_state, *new_state;
GstBuffer *codec_data;
encoder_status =
gst_vaapi_encoder_get_codec_data (encode->encoder, &codec_data);
if (encoder_status != GST_VAAPI_ENCODER_STATUS_SUCCESS) {
ret = GST_VAAPI_ENCODE_FLOW_CODEC_DATA_ERROR;
goto error_unlock;
}
if (codec_data) {
encode->srcpad_caps = gst_caps_make_writable (encode->srcpad_caps);
gst_caps_set_simple (encode->srcpad_caps,
"codec_data", GST_TYPE_BUFFER, codec_data, NULL);
gst_buffer_replace (&codec_data, NULL);
old_state =
gst_video_encoder_get_output_state (GST_VIDEO_ENCODER_CAST (encode));
new_state =
gst_video_encoder_set_output_state (GST_VIDEO_ENCODER_CAST (encode),
gst_caps_ref (encode->srcpad_caps), old_state);
gst_video_codec_state_unref (old_state);
gst_video_codec_state_unref (new_state);
if (!gst_video_encoder_negotiate (GST_VIDEO_ENCODER_CAST (encode))) {
GST_ERROR ("failed to negotiate with caps %" GST_PTR_FORMAT,
encode->srcpad_caps);
ret = GST_FLOW_NOT_NEGOTIATED;
goto error_unlock;
}
GST_DEBUG ("updated srcpad caps to: %" GST_PTR_FORMAT,
encode->srcpad_caps);
}
encode->out_caps_done = TRUE;
}
GST_VIDEO_ENCODER_STREAM_UNLOCK (encode);
GST_DEBUG ("output:%" GST_TIME_FORMAT ", size:%d",
GST_TIME_ARGS (out_frame->pts), gst_buffer_get_size (output_buf));
ret = gst_video_encoder_finish_frame (venc, out_frame);
out_frame = NULL;
if (ret != GST_FLOW_OK)
goto error;
return GST_FLOW_OK;
error_unlock:
GST_VIDEO_ENCODER_STREAM_UNLOCK (encode);
error:
gst_vaapi_coded_buffer_proxy_replace (&coded_buf_proxy, NULL);
if (out_frame)
gst_video_codec_frame_unref (out_frame);
return ret;
}
static void
gst_vaapiencode_buffer_loop (GstVaapiEncode * encode)
{
GstFlowReturn ret;
const gint64 timeout = 50000; /* microseconds */
ret = gst_vaapiencode_push_frame (encode, timeout);
if (ret == GST_FLOW_OK || ret == GST_VAAPI_ENCODE_FLOW_TIMEOUT)
return;
gst_pad_pause_task (encode->srcpad);
}
static GstCaps *
gst_vaapiencode_get_caps (GstPad * pad)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE (GST_OBJECT_PARENT (pad));
GstCaps *caps;
if (encode->sinkpad_caps)
caps = gst_caps_ref (encode->sinkpad_caps);
else
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
return caps;
}
static gboolean
gst_vaapiencode_destroy (GstVaapiEncode * encode)
{
gst_vaapi_encoder_replace (&encode->encoder, NULL);
g_clear_object (&encode->video_buffer_pool);
if (encode->sinkpad_caps) {
gst_caps_unref (encode->sinkpad_caps);
encode->sinkpad_caps = NULL;
}
if (encode->srcpad_caps) {
gst_caps_unref (encode->srcpad_caps);
encode->srcpad_caps = NULL;
}
gst_vaapi_display_replace (&encode->display, NULL);
return TRUE;
}
static inline gboolean
ensure_display (GstVaapiEncode * encode)
{
return gst_vaapi_ensure_display (encode,
GST_VAAPI_DISPLAY_TYPE_ANY, &encode->display);
}
static gboolean
ensure_encoder (GstVaapiEncode * encode)
{
GstVaapiEncodeClass *klass = GST_VAAPIENCODE_GET_CLASS (encode);
g_return_val_if_fail (klass->create_encoder, FALSE);
if (!ensure_display (encode))
return FALSE;
encode->encoder = klass->create_encoder (encode, encode->display);
g_assert (encode->encoder);
return (encode->encoder ? TRUE : FALSE);
}
static gboolean
gst_vaapiencode_open (GstVideoEncoder * venc)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE (venc);
GstVaapiDisplay *const old_display = encode->display;
gboolean success;
encode->display = NULL;
success = ensure_display (encode);
if (old_display)
gst_vaapi_display_unref (old_display);
GST_DEBUG ("ensure display %s, display:%p",
(success ? "okay" : "failed"), encode->display);
return success;
}
static gboolean
gst_vaapiencode_close (GstVideoEncoder * venc)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE (venc);
GST_DEBUG ("vaapiencode starting close");
return gst_vaapiencode_destroy (encode);
}
static inline gboolean
gst_vaapiencode_update_sink_caps (GstVaapiEncode * encode,
GstVideoCodecState * state)
{
gst_caps_replace (&encode->sinkpad_caps, state->caps);
encode->sink_video_info = state->info;
return TRUE;
}
static gboolean
gst_vaapiencode_update_src_caps (GstVaapiEncode * encode,
GstVideoCodecState * in_state)
{
GstVideoCodecState *out_state;
GstStructure *structure;
GstCaps *outcaps, *allowed_caps, *template_caps, *intersect;
GstVaapiEncoderStatus encoder_status;
GstBuffer *codec_data = NULL;
g_return_val_if_fail (encode->encoder, FALSE);
encode->out_caps_done = FALSE;
/* get peer caps for stream-format avc/bytestream, codec_data */
template_caps = gst_pad_get_pad_template_caps (encode->srcpad);
allowed_caps = gst_pad_get_allowed_caps (encode->srcpad);
intersect = gst_caps_intersect (template_caps, allowed_caps);
gst_caps_unref (template_caps);
gst_caps_unref (allowed_caps);
/* codec data was not set */
outcaps = gst_vaapi_encoder_set_format (encode->encoder, in_state, intersect);
gst_caps_unref (intersect);
g_return_val_if_fail (outcaps, FALSE);
if (!gst_caps_is_fixed (outcaps)) {
GST_ERROR ("encoder output caps was not fixed");
gst_caps_unref (outcaps);
return FALSE;
}
structure = gst_caps_get_structure (outcaps, 0);
if (!gst_structure_has_field (structure, "codec_data")) {
encoder_status =
gst_vaapi_encoder_get_codec_data (encode->encoder, &codec_data);
if (encoder_status == GST_VAAPI_ENCODER_STATUS_SUCCESS) {
if (codec_data) {
outcaps = gst_caps_make_writable (outcaps);
gst_caps_set_simple (outcaps,
"codec_data", GST_TYPE_BUFFER, codec_data, NULL);
gst_buffer_replace (&codec_data, NULL);
}
encode->out_caps_done = TRUE;
}
} else
encode->out_caps_done = TRUE;
out_state =
gst_video_encoder_set_output_state (GST_VIDEO_ENCODER_CAST (encode),
outcaps, in_state);
gst_caps_replace (&encode->srcpad_caps, out_state->caps);
gst_video_codec_state_unref (out_state);
GST_DEBUG ("set srcpad caps to: %" GST_PTR_FORMAT, encode->srcpad_caps);
return TRUE;
}
static gboolean
gst_vaapiencode_ensure_video_buffer_pool (GstVaapiEncode * encode,
GstCaps * caps)
{
GstBufferPool *pool;
GstCaps *pool_caps;
GstStructure *config;
GstVideoInfo vi;
gboolean need_pool;
if (!ensure_display (encode))
return FALSE;
if (encode->video_buffer_pool) {
config = gst_buffer_pool_get_config (encode->video_buffer_pool);
gst_buffer_pool_config_get_params (config, &pool_caps, NULL, NULL, NULL);
need_pool = !gst_caps_is_equal (caps, pool_caps);
gst_structure_free (config);
if (!need_pool)
return TRUE;
g_clear_object (&encode->video_buffer_pool);
encode->video_buffer_size = 0;
}
pool = gst_vaapi_video_buffer_pool_new (encode->display);
if (!pool)
goto error_create_pool;
gst_video_info_init (&vi);
gst_video_info_from_caps (&vi, caps);
if (GST_VIDEO_INFO_FORMAT (&vi) == GST_VIDEO_FORMAT_ENCODED) {
GST_DEBUG ("assume video buffer pool format is NV12");
gst_video_info_set_format (&vi, GST_VIDEO_FORMAT_NV12,
GST_VIDEO_INFO_WIDTH (&vi), GST_VIDEO_INFO_HEIGHT (&vi));
}
encode->video_buffer_size = vi.size;
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, encode->video_buffer_size,
0, 0);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
if (!gst_buffer_pool_set_config (pool, config))
goto error_pool_config;
encode->video_buffer_pool = pool;
return TRUE;
/* ERRORS */
error_create_pool:
{
GST_ERROR ("failed to create buffer pool");
return FALSE;
}
error_pool_config:
{
GST_ERROR ("failed to reset buffer pool config");
gst_object_unref (pool);
return FALSE;
}
}
static gboolean
gst_vaapiencode_set_format (GstVideoEncoder * venc, GstVideoCodecState * state)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE (venc);
g_return_val_if_fail (state->caps != NULL, FALSE);
if (!gst_vaapiencode_ensure_video_buffer_pool (encode, state->caps))
return FALSE;
if (!ensure_encoder (encode))
return FALSE;
if (!gst_vaapiencode_update_sink_caps (encode, state))
return FALSE;
if (!gst_vaapiencode_update_src_caps (encode, state))
return FALSE;
if (encode->out_caps_done && !gst_video_encoder_negotiate (venc)) {
GST_ERROR ("failed to negotiate with caps %" GST_PTR_FORMAT,
encode->srcpad_caps);
return FALSE;
}
return gst_pad_start_task (encode->srcpad,
(GstTaskFunction) gst_vaapiencode_buffer_loop, encode, NULL);
return TRUE;
}
static gboolean
gst_vaapiencode_reset (GstVideoEncoder * venc, gboolean hard)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE (venc);
GST_DEBUG ("vaapiencode starting reset");
/* FIXME: compare sink_caps with encoder */
encode->is_running = FALSE;
encode->out_caps_done = FALSE;
return TRUE;
}
static GstFlowReturn
gst_vaapiencode_get_vaapi_buffer (GstVaapiEncode * encode,
GstBuffer * src_buffer, GstBuffer ** out_buffer_ptr)
{
GstVaapiVideoMeta *meta;
GstBuffer *out_buffer;
GstVideoFrame src_frame, out_frame;
GstFlowReturn ret;
*out_buffer_ptr = NULL;
meta = gst_buffer_get_vaapi_video_meta (src_buffer);
if (meta) {
*out_buffer_ptr = gst_buffer_ref (src_buffer);
return GST_FLOW_OK;
}
if (!GST_VIDEO_INFO_IS_YUV (&encode->sink_video_info)) {
GST_ERROR ("unsupported video buffer");
return GST_FLOW_EOS;
}
GST_DEBUG ("buffer %p not from our pool, copying", src_buffer);
if (!encode->video_buffer_pool)
goto error_no_pool;
if (!gst_buffer_pool_set_active (encode->video_buffer_pool, TRUE))
goto error_activate_pool;
ret = gst_buffer_pool_acquire_buffer (encode->video_buffer_pool,
&out_buffer, NULL);
if (ret != GST_FLOW_OK)
goto error_create_buffer;
if (!gst_video_frame_map (&src_frame, &encode->sink_video_info, src_buffer,
GST_MAP_READ))
goto error_map_src_buffer;
if (!gst_video_frame_map (&out_frame, &encode->sink_video_info, out_buffer,
GST_MAP_WRITE))
goto error_map_dst_buffer;
gst_video_frame_copy (&out_frame, &src_frame);
gst_video_frame_unmap (&out_frame);
gst_video_frame_unmap (&src_frame);
*out_buffer_ptr = out_buffer;
return GST_FLOW_OK;
/* ERRORS */
error_no_pool:
GST_ERROR ("no buffer pool was negotiated");
return GST_FLOW_ERROR;
error_activate_pool:
GST_ERROR ("failed to activate buffer pool");
return GST_FLOW_ERROR;
error_create_buffer:
GST_WARNING ("failed to create image. Skipping this frame");
return GST_FLOW_OK;
error_map_dst_buffer:
gst_video_frame_unmap (&src_frame);
// fall-through
error_map_src_buffer:
GST_WARNING ("failed to map buffer. Skipping this frame");
gst_buffer_unref (out_buffer);
return GST_FLOW_OK;
}
static inline gpointer
_create_user_data (GstBuffer * buf)
{
GstVaapiVideoMeta *meta;
GstVaapiSurface *surface;
GstVaapiEncodeFrameUserData *user_data;
meta = gst_buffer_get_vaapi_video_meta (buf);
if (!meta) {
GST_DEBUG ("convert to vaapi buffer failed");
return NULL;
}
surface = gst_vaapi_video_meta_get_surface (meta);
if (!surface) {
GST_DEBUG ("vaapi_meta of codec frame doesn't have vaapisurfaceproxy");
return NULL;
}
user_data = g_slice_new0 (GstVaapiEncodeFrameUserData);
user_data->head.surface = surface;
user_data->vaapi_buf = gst_buffer_ref (buf);
return user_data;
}
static void
_destroy_user_data (gpointer data)
{
GstVaapiEncodeFrameUserData *user_data = (GstVaapiEncodeFrameUserData *) data;
g_assert (data);
if (!user_data)
return;
gst_buffer_replace (&user_data->vaapi_buf, NULL);
g_slice_free (GstVaapiEncodeFrameUserData, user_data);
}
static GstFlowReturn
gst_vaapiencode_handle_frame (GstVideoEncoder * venc,
GstVideoCodecFrame * frame)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE (venc);
GstFlowReturn ret = GST_FLOW_OK;
GstVaapiEncoderStatus encoder_ret = GST_VAAPI_ENCODER_STATUS_SUCCESS;
GstBuffer *vaapi_buf = NULL;
gpointer user_data;
g_assert (encode && encode->encoder);
g_assert (frame && frame->input_buffer);
ret =
gst_vaapiencode_get_vaapi_buffer (encode, frame->input_buffer,
&vaapi_buf);
GST_VAAPI_ENCODER_CHECK_STATUS (ret == GST_FLOW_OK, ret,
"convert to vaapi buffer failed");
user_data = _create_user_data (vaapi_buf);
GST_VAAPI_ENCODER_CHECK_STATUS (user_data,
ret, "create frame user data failed");
gst_video_codec_frame_set_user_data (frame, user_data, _destroy_user_data);
GST_VIDEO_ENCODER_STREAM_UNLOCK (encode);
/*encoding frames */
encoder_ret = gst_vaapi_encoder_put_frame (encode->encoder, frame);
GST_VIDEO_ENCODER_STREAM_LOCK (encode);
GST_VAAPI_ENCODER_CHECK_STATUS (GST_VAAPI_ENCODER_STATUS_SUCCESS <=
encoder_ret, GST_FLOW_ERROR, "gst_vaapiencoder_encode failed.");
end:
gst_video_codec_frame_unref (frame);
gst_buffer_replace (&vaapi_buf, NULL);
return ret;
}
static GstFlowReturn
gst_vaapiencode_finish (GstVideoEncoder * venc)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE (venc);
GstVaapiEncoderStatus status;
GstFlowReturn ret = GST_FLOW_OK;
GST_DEBUG ("vaapiencode starting finish");
status = gst_vaapi_encoder_flush (encode->encoder);
GST_VIDEO_ENCODER_STREAM_UNLOCK (encode);
gst_pad_stop_task (encode->srcpad);
GST_VIDEO_ENCODER_STREAM_LOCK (encode);
while (status == GST_VAAPI_ENCODER_STATUS_SUCCESS && ret == GST_FLOW_OK)
ret = gst_vaapiencode_push_frame (encode, 0);
if (ret == GST_VAAPI_ENCODE_FLOW_TIMEOUT);
ret = GST_FLOW_OK;
return ret;
}
static gboolean
gst_vaapiencode_propose_allocation (GstVideoEncoder * venc, GstQuery * query)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE (venc);
GstCaps *caps = NULL;
gboolean need_pool;
gst_query_parse_allocation (query, &caps, &need_pool);
if (need_pool) {
if (!caps)
goto error_no_caps;
if (!gst_vaapiencode_ensure_video_buffer_pool (encode, caps))
return FALSE;
gst_query_add_allocation_pool (query, encode->video_buffer_pool,
encode->video_buffer_size, 0, 0);
}
gst_query_add_allocation_meta (query, GST_VAAPI_VIDEO_META_API_TYPE, NULL);
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
return TRUE;
/* ERRORS */
error_no_caps:
{
GST_ERROR ("no caps specified");
return FALSE;
}
}
static void
gst_vaapiencode_finalize (GObject * object)
{
GstVaapiEncode *const encode = GST_VAAPIENCODE (object);
gst_vaapiencode_destroy (encode);
encode->sinkpad = NULL;
encode->srcpad = NULL;
G_OBJECT_CLASS (gst_vaapiencode_parent_class)->finalize (object);
}
static void
gst_vaapiencode_init (GstVaapiEncode * encode)
{
/* sink pad */
encode->sinkpad = GST_VIDEO_ENCODER_SINK_PAD (encode);
encode->sinkpad_query = GST_PAD_QUERYFUNC (encode->sinkpad);
gst_pad_set_query_function (encode->sinkpad, gst_vaapiencode_query);
gst_video_info_init (&encode->sink_video_info);
/* src pad */
encode->srcpad = GST_VIDEO_ENCODER_SRC_PAD (encode);
encode->srcpad_query = GST_PAD_QUERYFUNC (encode->srcpad);
gst_pad_set_query_function (encode->srcpad, gst_vaapiencode_query);
gst_pad_use_fixed_caps (encode->srcpad);
}
static void
gst_vaapiencode_class_init (GstVaapiEncodeClass * klass)
{
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
GstVideoEncoderClass *const venc_class = GST_VIDEO_ENCODER_CLASS (klass);
GST_DEBUG_CATEGORY_INIT (gst_vaapiencode_debug,
GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
object_class->finalize = gst_vaapiencode_finalize;
venc_class->open = GST_DEBUG_FUNCPTR (gst_vaapiencode_open);
venc_class->close = GST_DEBUG_FUNCPTR (gst_vaapiencode_close);
venc_class->set_format = GST_DEBUG_FUNCPTR (gst_vaapiencode_set_format);
venc_class->reset = GST_DEBUG_FUNCPTR (gst_vaapiencode_reset);
venc_class->handle_frame = GST_DEBUG_FUNCPTR (gst_vaapiencode_handle_frame);
venc_class->finish = GST_DEBUG_FUNCPTR (gst_vaapiencode_finish);
venc_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_vaapiencode_propose_allocation);
klass->allocate_buffer = gst_vaapiencode_default_allocate_buffer;
/* Registering debug symbols for function pointers */
GST_DEBUG_REGISTER_FUNCPTR (gst_vaapiencode_get_caps);
GST_DEBUG_REGISTER_FUNCPTR (gst_vaapiencode_query);
}