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gstreamer/subprojects/gstreamer-vaapi/gst-libs/gst/vaapi/gstvaapiencoder.c

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/*
* gstvaapiencoder.c - VA encoder abstraction
*
* Copyright (C) 2013-2014 Intel Corporation
* Author: Wind Yuan <feng.yuan@intel.com>
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* 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 "sysdeps.h"
#include "gstvaapicompat.h"
#include "gstvaapiencoder.h"
#include "gstvaapiencoder_priv.h"
#include "gstvaapicontext.h"
#include "gstvaapidisplay_priv.h"
#include "gstvaapiutils.h"
#include "gstvaapiutils_core.h"
#include "gstvaapivalue.h"
#define DEBUG 1
#include "gstvaapidebug.h"
gboolean
gst_vaapi_encoder_ensure_param_quality_level (GstVaapiEncoder * encoder,
GstVaapiEncPicture * picture)
{
GstVaapiEncMiscParam *misc;
/* quality level param is not supported */
if (GST_VAAPI_ENCODER_QUALITY_LEVEL (encoder) == 0)
return TRUE;
misc = GST_VAAPI_ENC_QUALITY_LEVEL_MISC_PARAM_NEW (encoder);
if (!misc)
return FALSE;
memcpy (misc->data, &encoder->va_quality_level,
sizeof (encoder->va_quality_level));
gst_vaapi_enc_picture_add_misc_param (picture, misc);
gst_vaapi_codec_object_replace (&misc, NULL);
return TRUE;
}
gboolean
gst_vaapi_encoder_ensure_param_control_rate (GstVaapiEncoder * encoder,
GstVaapiEncPicture * picture)
{
GstVaapiEncMiscParam *misc;
if (GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_CQP)
return TRUE;
/* HRD params */
misc = GST_VAAPI_ENC_MISC_PARAM_NEW (HRD, encoder);
if (!misc)
return FALSE;
memcpy (misc->data, &GST_VAAPI_ENCODER_VA_HRD (encoder),
sizeof (VAEncMiscParameterHRD));
gst_vaapi_enc_picture_add_misc_param (picture, misc);
gst_vaapi_codec_object_replace (&misc, NULL);
/* RateControl params */
misc = GST_VAAPI_ENC_MISC_PARAM_NEW (RateControl, encoder);
if (!misc)
return FALSE;
memcpy (misc->data, &GST_VAAPI_ENCODER_VA_RATE_CONTROL (encoder),
sizeof (VAEncMiscParameterRateControl));
gst_vaapi_enc_picture_add_misc_param (picture, misc);
gst_vaapi_codec_object_replace (&misc, NULL);
/* FrameRate params */
if (GST_VAAPI_ENCODER_VA_FRAME_RATE (encoder).framerate == 0)
return TRUE;
misc = GST_VAAPI_ENC_MISC_PARAM_NEW (FrameRate, encoder);
if (!misc)
return FALSE;
memcpy (misc->data, &GST_VAAPI_ENCODER_VA_FRAME_RATE (encoder),
sizeof (VAEncMiscParameterFrameRate));
gst_vaapi_enc_picture_add_misc_param (picture, misc);
gst_vaapi_codec_object_replace (&misc, NULL);
return TRUE;
}
gboolean
gst_vaapi_encoder_ensure_param_trellis (GstVaapiEncoder * encoder,
GstVaapiEncPicture * picture)
{
#if VA_CHECK_VERSION(1,0,0)
GstVaapiEncMiscParam *misc;
VAEncMiscParameterQuantization *param;
if (!encoder->trellis)
return TRUE;
misc = GST_VAAPI_ENC_QUANTIZATION_MISC_PARAM_NEW (encoder);
if (!misc)
return FALSE;
if (!misc->data)
return FALSE;
param = (VAEncMiscParameterQuantization *) misc->data;
param->quantization_flags.bits.disable_trellis = 0;
param->quantization_flags.bits.enable_trellis_I = 1;
param->quantization_flags.bits.enable_trellis_B = 1;
param->quantization_flags.bits.enable_trellis_P = 1;
gst_vaapi_enc_picture_add_misc_param (picture, misc);
gst_vaapi_codec_object_replace (&misc, NULL);
#endif
return TRUE;
}
gboolean
gst_vaapi_encoder_ensure_param_roi_regions (GstVaapiEncoder * encoder,
GstVaapiEncPicture * picture)
{
#if VA_CHECK_VERSION(0,39,1)
GstVaapiContextInfo *const cip = &encoder->context_info;
const GstVaapiConfigInfoEncoder *const config = &cip->config.encoder;
VAEncMiscParameterBufferROI *roi_param;
GstVaapiEncMiscParam *misc;
VAEncROI *region_roi;
GstBuffer *input;
guint num_roi, i;
gpointer state = NULL;
if (!config->roi_capability)
return TRUE;
if (!picture->frame)
return FALSE;
input = picture->frame->input_buffer;
if (!input)
return FALSE;
num_roi =
gst_buffer_get_n_meta (input, GST_VIDEO_REGION_OF_INTEREST_META_API_TYPE);
if (num_roi == 0)
return TRUE;
num_roi = CLAMP (num_roi, 1, config->roi_num_supported);
misc =
gst_vaapi_enc_misc_param_new (encoder, VAEncMiscParameterTypeROI,
sizeof (VAEncMiscParameterBufferROI) + num_roi * sizeof (VAEncROI));
if (!misc)
return FALSE;
region_roi =
(VAEncROI *) ((guint8 *) misc->param + sizeof (VAEncMiscParameterBuffer) +
sizeof (VAEncMiscParameterBufferROI));
roi_param = misc->data;
roi_param->num_roi = num_roi;
roi_param->roi = region_roi;
/* roi_value in VAEncROI should be used as ROI delta QP */
roi_param->roi_flags.bits.roi_value_is_qp_delta = 1;
roi_param->max_delta_qp = 10;
roi_param->min_delta_qp = -10;
for (i = 0; i < num_roi; i++) {
GstVideoRegionOfInterestMeta *roi;
GstStructure *s;
roi = (GstVideoRegionOfInterestMeta *)
gst_buffer_iterate_meta_filtered (input, &state,
GST_VIDEO_REGION_OF_INTEREST_META_API_TYPE);
if (!roi)
continue;
/* ignore roi if overflow */
if ((roi->x > G_MAXINT16) || (roi->y > G_MAXINT16)
|| (roi->w > G_MAXUINT16) || (roi->h > G_MAXUINT16))
continue;
GST_LOG ("Input buffer ROI: type=%s id=%d (%d, %d) %dx%d",
g_quark_to_string (roi->roi_type), roi->id, roi->x, roi->y, roi->w,
roi->h);
picture->has_roi = TRUE;
region_roi[i].roi_rectangle.x = roi->x;
region_roi[i].roi_rectangle.y = roi->y;
region_roi[i].roi_rectangle.width = roi->w;
region_roi[i].roi_rectangle.height = roi->h;
s = gst_video_region_of_interest_meta_get_param (roi, "roi/vaapi");
if (s) {
int value = 0;
if (!gst_structure_get_int (s, "delta-qp", &value))
continue;
value = CLAMP (value, roi_param->min_delta_qp, roi_param->max_delta_qp);
region_roi[i].roi_value = value;
} else {
region_roi[i].roi_value = encoder->default_roi_value;
GST_LOG ("No ROI value specified upstream, use default (%d)",
encoder->default_roi_value);
}
}
if (picture->has_roi)
gst_vaapi_enc_picture_add_misc_param (picture, misc);
gst_vaapi_codec_object_replace (&misc, NULL);
#endif
return TRUE;
}
/**
* gst_vaapi_encoder_replace:
* @old_encoder_ptr: a pointer to a #GstVaapiEncoder
* @new_encoder: a #GstVaapiEncoder
*
* Atomically replaces the encoder encoder held in @old_encoder_ptr
* with @new_encoder. This means that @old_encoder_ptr shall reference
* a valid encoder. However, @new_encoder can be NULL.
*/
void
gst_vaapi_encoder_replace (GstVaapiEncoder ** old_encoder_ptr,
GstVaapiEncoder * new_encoder)
{
gst_object_replace ((GstObject **) old_encoder_ptr,
(GstObject *) new_encoder);
}
/* Notifies gst_vaapi_encoder_create_coded_buffer() that a new buffer is free */
static void
_coded_buffer_proxy_released_notify (GstVaapiEncoder * encoder)
{
g_mutex_lock (&encoder->mutex);
g_cond_signal (&encoder->codedbuf_free);
g_mutex_unlock (&encoder->mutex);
}
/* Creates a new VA coded buffer object proxy, backed from a pool */
static GstVaapiCodedBufferProxy *
gst_vaapi_encoder_create_coded_buffer (GstVaapiEncoder * encoder)
{
GstVaapiCodedBufferPool *const pool =
GST_VAAPI_CODED_BUFFER_POOL (encoder->codedbuf_pool);
GstVaapiCodedBufferProxy *codedbuf_proxy;
g_mutex_lock (&encoder->mutex);
do {
codedbuf_proxy = gst_vaapi_coded_buffer_proxy_new_from_pool (pool);
if (codedbuf_proxy)
break;
/* Wait for a free coded buffer to become available */
g_cond_wait (&encoder->codedbuf_free, &encoder->mutex);
codedbuf_proxy = gst_vaapi_coded_buffer_proxy_new_from_pool (pool);
} while (0);
g_mutex_unlock (&encoder->mutex);
if (!codedbuf_proxy)
return NULL;
gst_vaapi_coded_buffer_proxy_set_destroy_notify (codedbuf_proxy,
(GDestroyNotify) _coded_buffer_proxy_released_notify, encoder);
return codedbuf_proxy;
}
/* Notifies gst_vaapi_encoder_create_surface() that a new surface is free */
static void
_surface_proxy_released_notify (GstVaapiEncoder * encoder)
{
g_mutex_lock (&encoder->mutex);
g_cond_signal (&encoder->surface_free);
g_mutex_unlock (&encoder->mutex);
}
/* Creates a new VA surface object proxy, backed from a pool and
useful to allocate reconstructed surfaces */
GstVaapiSurfaceProxy *
gst_vaapi_encoder_create_surface (GstVaapiEncoder * encoder)
{
GstVaapiSurfaceProxy *proxy;
g_return_val_if_fail (encoder->context != NULL, NULL);
g_mutex_lock (&encoder->mutex);
for (;;) {
proxy = gst_vaapi_context_get_surface_proxy (encoder->context);
if (proxy)
break;
/* Wait for a free surface proxy to become available */
g_cond_wait (&encoder->surface_free, &encoder->mutex);
}
g_mutex_unlock (&encoder->mutex);
gst_vaapi_surface_proxy_set_destroy_notify (proxy,
(GDestroyNotify) _surface_proxy_released_notify, encoder);
return proxy;
}
/* Create a coded buffer proxy where the picture is going to be
* decoded, the subclass encode vmethod is called and, if it doesn't
* fail, the coded buffer is pushed into the async queue */
static GstVaapiEncoderStatus
gst_vaapi_encoder_encode_and_queue (GstVaapiEncoder * encoder,
GstVaapiEncPicture * picture)
{
GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
GstVaapiCodedBufferProxy *codedbuf_proxy;
GstVaapiEncoderStatus status;
codedbuf_proxy = gst_vaapi_encoder_create_coded_buffer (encoder);
if (!codedbuf_proxy)
goto error_create_coded_buffer;
status = klass->encode (encoder, picture, codedbuf_proxy);
if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS)
goto error_encode;
gst_vaapi_coded_buffer_proxy_set_user_data (codedbuf_proxy,
picture, (GDestroyNotify) gst_vaapi_mini_object_unref);
g_async_queue_push (encoder->codedbuf_queue, codedbuf_proxy);
encoder->num_codedbuf_queued++;
return status;
/* ERRORS */
error_create_coded_buffer:
{
GST_ERROR ("failed to allocate coded buffer");
return GST_VAAPI_ENCODER_STATUS_ERROR_ALLOCATION_FAILED;
}
error_encode:
{
GST_ERROR ("failed to encode frame (status = %d)", status);
gst_vaapi_coded_buffer_proxy_unref (codedbuf_proxy);
return status;
}
}
/**
* gst_vaapi_encoder_put_frame:
* @encoder: a #GstVaapiEncoder
* @frame: a #GstVideoCodecFrame
*
* Queues a #GstVideoCodedFrame to the HW encoder. The encoder holds
* an extra reference to the @frame.
*
* Return value: a #GstVaapiEncoderStatus
*/
GstVaapiEncoderStatus
gst_vaapi_encoder_put_frame (GstVaapiEncoder * encoder,
GstVideoCodecFrame * frame)
{
GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
GstVaapiEncoderStatus status;
GstVaapiEncPicture *picture;
for (;;) {
picture = NULL;
status = klass->reordering (encoder, frame, &picture);
if (status == GST_VAAPI_ENCODER_STATUS_NO_SURFACE)
break;
if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS)
goto error_reorder_frame;
status = gst_vaapi_encoder_encode_and_queue (encoder, picture);
if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS)
goto error_encode;
/* Try again with any pending reordered frame now available for encoding */
frame = NULL;
}
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
/* ERRORS */
error_reorder_frame:
{
GST_ERROR ("failed to process reordered frames");
return status;
}
error_encode:
{
gst_vaapi_enc_picture_unref (picture);
return status;
}
}
/**
* gst_vaapi_encoder_get_buffer_with_timeout:
* @encoder: a #GstVaapiEncoder
* @out_codedbuf_proxy_ptr: the next coded buffer as a #GstVaapiCodedBufferProxy
* @timeout: the number of microseconds to wait for the coded buffer, at most
*
* Upon successful return, *@out_codedbuf_proxy_ptr contains the next
* coded buffer as a #GstVaapiCodedBufferProxy. The caller owns this
* object, so gst_vaapi_coded_buffer_proxy_unref() shall be called
* after usage. Otherwise, @GST_VAAPI_DECODER_STATUS_ERROR_NO_BUFFER
* is returned if no coded buffer is available so far (timeout).
*
* The parent frame is available as a #GstVideoCodecFrame attached to
* the user-data anchor of the output coded buffer. Ownership of the
* frame is transferred to the coded buffer.
*
* Return value: a #GstVaapiEncoderStatus
*/
GstVaapiEncoderStatus
gst_vaapi_encoder_get_buffer_with_timeout (GstVaapiEncoder * encoder,
GstVaapiCodedBufferProxy ** out_codedbuf_proxy_ptr, guint64 timeout)
{
GstVaapiEncPicture *picture;
GstVaapiCodedBufferProxy *codedbuf_proxy;
codedbuf_proxy = g_async_queue_timeout_pop (encoder->codedbuf_queue, timeout);
if (!codedbuf_proxy)
return GST_VAAPI_ENCODER_STATUS_NO_BUFFER;
/* Wait for completion of all operations and report any error that occurred */
picture = gst_vaapi_coded_buffer_proxy_get_user_data (codedbuf_proxy);
if (!gst_vaapi_surface_sync (picture->surface))
goto error_invalid_buffer;
gst_vaapi_coded_buffer_proxy_set_user_data (codedbuf_proxy,
gst_video_codec_frame_ref (picture->frame),
(GDestroyNotify) gst_video_codec_frame_unref);
if (out_codedbuf_proxy_ptr)
*out_codedbuf_proxy_ptr = gst_vaapi_coded_buffer_proxy_ref (codedbuf_proxy);
gst_vaapi_coded_buffer_proxy_unref (codedbuf_proxy);
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
/* ERRORS */
error_invalid_buffer:
{
GST_ERROR ("failed to encode the frame");
gst_vaapi_coded_buffer_proxy_unref (codedbuf_proxy);
return GST_VAAPI_ENCODER_STATUS_ERROR_INVALID_SURFACE;
}
}
static inline gboolean
_get_pending_reordered (GstVaapiEncoder * encoder,
GstVaapiEncPicture ** picture, gpointer * state)
{
GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
if (!klass->get_pending_reordered)
return FALSE;
return klass->get_pending_reordered (encoder, picture, state);
}
/**
* gst_vaapi_encoder_flush:
* @encoder: a #GstVaapiEncoder
*
* Submits any pending (reordered) frame for encoding.
*
* Return value: a #GstVaapiEncoderStatus
*/
GstVaapiEncoderStatus
gst_vaapi_encoder_flush (GstVaapiEncoder * encoder)
{
GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
GstVaapiEncPicture *picture;
GstVaapiEncoderStatus status;
gpointer iter = NULL;
picture = NULL;
while (_get_pending_reordered (encoder, &picture, &iter)) {
if (!picture)
continue;
status = gst_vaapi_encoder_encode_and_queue (encoder, picture);
if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS)
goto error_encode;
}
g_free (iter);
return klass->flush (encoder);
/* ERRORS */
error_encode:
{
gst_vaapi_enc_picture_unref (picture);
return status;
}
}
/**
* gst_vaapi_encoder_get_codec_data:
* @encoder: a #GstVaapiEncoder
* @out_codec_data_ptr: the pointer to the resulting codec-data (#GstBuffer)
*
* Returns a codec-data buffer that best represents the encoded
* bitstream. Upon successful return, and if the @out_codec_data_ptr
* contents is not NULL, then the caller function shall deallocates
* that buffer with gst_buffer_unref().
*
* Return value: a #GstVaapiEncoderStatus
*/
GstVaapiEncoderStatus
gst_vaapi_encoder_get_codec_data (GstVaapiEncoder * encoder,
GstBuffer ** out_codec_data_ptr)
{
GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_SUCCESS;
GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
*out_codec_data_ptr = NULL;
if (!klass->get_codec_data)
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
ret = klass->get_codec_data (encoder, out_codec_data_ptr);
return ret;
}
/* Checks video info */
static GstVaapiEncoderStatus
check_video_info (GstVaapiEncoder * encoder, const GstVideoInfo * vip)
{
if (!vip->width || !vip->height)
goto error_invalid_resolution;
if (vip->fps_n < 0 || vip->fps_d <= 0)
goto error_invalid_framerate;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
/* ERRORS */
error_invalid_resolution:
{
GST_ERROR ("invalid resolution (%dx%d)", vip->width, vip->height);
return GST_VAAPI_ENCODER_STATUS_ERROR_INVALID_PARAMETER;
}
error_invalid_framerate:
{
GST_ERROR ("invalid framerate (%d/%d)", vip->fps_n, vip->fps_d);
return GST_VAAPI_ENCODER_STATUS_ERROR_INVALID_PARAMETER;
}
}
/* Gets a compatible profile for the active codec */
static GstVaapiProfile
get_compatible_profile (GstVaapiEncoder * encoder)
{
const GstVaapiEncoderClassData *const cdata =
GST_VAAPI_ENCODER_GET_CLASS (encoder)->class_data;
GstVaapiProfile profile;
GArray *profiles;
guint i;
profiles = gst_vaapi_display_get_encode_profiles (encoder->display);
if (!profiles)
return GST_VAAPI_PROFILE_UNKNOWN;
// Pick a profile matching the class codec
for (i = 0; i < profiles->len; i++) {
profile = g_array_index (profiles, GstVaapiProfile, i);
if (gst_vaapi_profile_get_codec (profile) == cdata->codec)
break;
}
if (i == profiles->len)
profile = GST_VAAPI_PROFILE_UNKNOWN;
g_array_unref (profiles);
return profile;
}
/* Gets a supported profile for the active codec */
static GstVaapiProfile
get_profile (GstVaapiEncoder * encoder)
{
if (!encoder->profile)
encoder->profile = get_compatible_profile (encoder);
return encoder->profile;
}
/* Gets config attribute for the supplied profile */
static gboolean
get_config_attribute (GstVaapiEncoder * encoder, VAConfigAttribType type,
guint * out_value_ptr)
{
GstVaapiProfile profile;
VAProfile va_profile;
VAEntrypoint va_entrypoint;
profile = get_profile (encoder);
if (!profile)
return FALSE;
va_profile = gst_vaapi_profile_get_va_profile (profile);
va_entrypoint =
gst_vaapi_entrypoint_get_va_entrypoint (encoder->context_info.entrypoint);
return gst_vaapi_get_config_attribute (encoder->display, va_profile,
va_entrypoint, type, out_value_ptr);
}
/* Determines the set of supported packed headers */
static guint
get_packed_headers (GstVaapiEncoder * encoder)
{
const GstVaapiEncoderClassData *const cdata =
GST_VAAPI_ENCODER_GET_CLASS (encoder)->class_data;
guint value;
if (encoder->got_packed_headers)
return encoder->packed_headers;
if (!get_config_attribute (encoder, VAConfigAttribEncPackedHeaders, &value))
value = 0;
GST_INFO ("supported packed headers: 0x%08x", value);
encoder->got_packed_headers = TRUE;
encoder->packed_headers = cdata->packed_headers & value;
return encoder->packed_headers;
}
static gboolean
get_roi_capability (GstVaapiEncoder * encoder, guint * num_roi_supported)
{
#if VA_CHECK_VERSION(0,39,1)
VAConfigAttribValEncROI *roi_config;
guint value;
if (!get_config_attribute (encoder, VAConfigAttribEncROI, &value))
return FALSE;
roi_config = (VAConfigAttribValEncROI *) & value;
if (roi_config->bits.num_roi_regions == 0)
return FALSE;
/* Only support QP delta, and it only makes sense when rate control
* is not CQP */
if ((GST_VAAPI_ENCODER_RATE_CONTROL (encoder) != GST_VAAPI_RATECONTROL_CQP)
&& (VA_ROI_RC_QP_DELTA_SUPPORT (roi_config) == 0))
return FALSE;
GST_INFO ("Support for ROI - number of regions supported: %d",
roi_config->bits.num_roi_regions);
*num_roi_supported = roi_config->bits.num_roi_regions;
return TRUE;
#else
return FALSE;
#endif
}
static inline gboolean
is_chroma_type_supported (GstVaapiEncoder * encoder)
{
GstVaapiContextInfo *const cip = &encoder->context_info;
const GstVideoFormat fmt =
GST_VIDEO_INFO_FORMAT (GST_VAAPI_ENCODER_VIDEO_INFO (encoder));
guint format = 0;
if (fmt == GST_VIDEO_FORMAT_ENCODED)
return TRUE;
if (cip->chroma_type != GST_VAAPI_CHROMA_TYPE_YUV420 &&
cip->chroma_type != GST_VAAPI_CHROMA_TYPE_YUV422 &&
cip->chroma_type != GST_VAAPI_CHROMA_TYPE_YUV420_10BPP &&
cip->chroma_type != GST_VAAPI_CHROMA_TYPE_YUV444 &&
cip->chroma_type != GST_VAAPI_CHROMA_TYPE_YUV444_10BPP &&
cip->chroma_type != GST_VAAPI_CHROMA_TYPE_YUV422_10BPP &&
cip->chroma_type != GST_VAAPI_CHROMA_TYPE_YUV420_12BPP)
goto unsupported;
if (!get_config_attribute (encoder, VAConfigAttribRTFormat, &format))
return FALSE;
if (!(format & from_GstVaapiChromaType (cip->chroma_type)))
goto unsupported;
return TRUE;
/* ERRORS */
unsupported:
{
GST_ERROR ("The encoding format %s is not supported, "
"Please try to use vaapipostproc to convert the input format.",
gst_video_format_to_string (fmt));
return FALSE;
}
}
static guint
get_default_chroma_type (GstVaapiEncoder * encoder,
const GstVaapiContextInfo * cip)
{
guint value;
if (!gst_vaapi_get_config_attribute (encoder->display,
gst_vaapi_profile_get_va_profile (cip->profile),
gst_vaapi_entrypoint_get_va_entrypoint (cip->entrypoint),
VAConfigAttribRTFormat, &value))
return 0;
return to_GstVaapiChromaType (value);
}
static void
init_context_info (GstVaapiEncoder * encoder, GstVaapiContextInfo * cip)
{
cip->usage = GST_VAAPI_CONTEXT_USAGE_ENCODE;
cip->chroma_type = get_default_chroma_type (encoder, cip);
cip->width = 0;
cip->height = 0;
cip->ref_frames = encoder->num_ref_frames;
}
/* Updates video context */
static gboolean
set_context_info (GstVaapiEncoder * encoder)
{
GstVaapiContextInfo *const cip = &encoder->context_info;
GstVaapiConfigInfoEncoder *const config = &cip->config.encoder;
const GstVideoFormat format =
GST_VIDEO_INFO_FORMAT (GST_VAAPI_ENCODER_VIDEO_INFO (encoder));
g_assert (cip->profile != GST_VAAPI_PROFILE_UNKNOWN);
g_assert (cip->entrypoint != GST_VAAPI_ENTRYPOINT_INVALID);
init_context_info (encoder, cip);
cip->chroma_type = gst_vaapi_video_format_get_chroma_type (format);
cip->width = GST_VAAPI_ENCODER_WIDTH (encoder);
cip->height = GST_VAAPI_ENCODER_HEIGHT (encoder);
if (!is_chroma_type_supported (encoder))
goto error_unsupported_format;
memset (config, 0, sizeof (*config));
config->rc_mode = GST_VAAPI_ENCODER_RATE_CONTROL (encoder);
config->packed_headers = get_packed_headers (encoder);
config->roi_capability =
get_roi_capability (encoder, &config->roi_num_supported);
return TRUE;
/* ERRORS */
error_unsupported_format:
{
GST_ERROR ("failed to determine chroma type for format %s",
gst_vaapi_video_format_to_string (format));
return FALSE;
}
}
/* Ensures the underlying VA context for encoding is created */
static gboolean
gst_vaapi_encoder_ensure_context (GstVaapiEncoder * encoder)
{
GstVaapiContextInfo *const cip = &encoder->context_info;
if (!set_context_info (encoder))
return FALSE;
if (encoder->context) {
if (!gst_vaapi_context_reset (encoder->context, cip))
return FALSE;
} else {
encoder->context = gst_vaapi_context_new (encoder->display, cip);
if (!encoder->context)
return FALSE;
}
encoder->va_context = gst_vaapi_context_get_id (encoder->context);
return TRUE;
}
/* Reconfigures the encoder with the new properties */
static GstVaapiEncoderStatus
gst_vaapi_encoder_reconfigure_internal (GstVaapiEncoder * encoder)
{
GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (encoder);
GstVaapiEncoderStatus status;
GstVaapiVideoPool *pool;
guint codedbuf_size, target_percentage;
guint fps_d, fps_n;
guint quality_level_max = 0;
fps_d = GST_VIDEO_INFO_FPS_D (vip);
fps_n = GST_VIDEO_INFO_FPS_N (vip);
/* Generate a keyframe every second */
if (!encoder->keyframe_period)
encoder->keyframe_period = (fps_n + fps_d - 1) / fps_d;
/* Default frame rate parameter */
if (fps_d > 0 && fps_n > 0)
GST_VAAPI_ENCODER_VA_FRAME_RATE (encoder).framerate = fps_d << 16 | fps_n;
target_percentage =
(GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_CBR) ?
100 : encoder->target_percentage;
/* *INDENT-OFF* */
/* Default values for rate control parameter */
GST_VAAPI_ENCODER_VA_RATE_CONTROL (encoder) = (VAEncMiscParameterRateControl) {
.bits_per_second = encoder->bitrate * 1000,
.target_percentage = target_percentage,
.window_size = 500,
};
/* *INDENT-ON* */
status = klass->reconfigure (encoder);
if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS)
return status;
if (!gst_vaapi_encoder_ensure_context (encoder))
goto error_reset_context;
if (get_config_attribute (encoder, VAConfigAttribEncQualityRange,
&quality_level_max) && quality_level_max > 0) {
GST_VAAPI_ENCODER_QUALITY_LEVEL (encoder) =
CLAMP (GST_VAAPI_ENCODER_QUALITY_LEVEL (encoder), 1, quality_level_max);
} else {
GST_VAAPI_ENCODER_QUALITY_LEVEL (encoder) = 0;
}
GST_INFO ("Quality level is fixed to %d",
GST_VAAPI_ENCODER_QUALITY_LEVEL (encoder));
if (encoder->trellis) {
#if VA_CHECK_VERSION(1,0,0)
guint quantization_method = 0;
if (get_config_attribute (encoder, VAConfigAttribEncQuantization,
&quantization_method) == FALSE
|| !(quantization_method & VA_ENC_QUANTIZATION_TRELLIS_SUPPORTED)) {
GST_INFO ("Trellis Quantization is not supported,"
" trellis will be disabled");
encoder->trellis = FALSE;
}
#else
GST_INFO ("The encode trellis quantization option is not supported"
" in this VAAPI version.");
encoder->trellis = FALSE;
#endif
}
codedbuf_size = encoder->codedbuf_pool ?
gst_vaapi_coded_buffer_pool_get_buffer_size (GST_VAAPI_CODED_BUFFER_POOL
(encoder)) : 0;
if (codedbuf_size != encoder->codedbuf_size) {
pool = gst_vaapi_coded_buffer_pool_new (encoder, encoder->codedbuf_size);
if (!pool)
goto error_alloc_codedbuf_pool;
gst_vaapi_video_pool_set_capacity (pool, 5);
gst_vaapi_video_pool_replace (&encoder->codedbuf_pool, pool);
gst_vaapi_video_pool_unref (pool);
}
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
/* ERRORS */
error_alloc_codedbuf_pool:
{
GST_ERROR ("failed to initialize coded buffer pool");
return GST_VAAPI_ENCODER_STATUS_ERROR_ALLOCATION_FAILED;
}
error_reset_context:
{
GST_ERROR ("failed to update VA context");
return GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED;
}
}
/**
* gst_vaapi_encoder_set_codec_state:
* @encoder: a #GstVaapiEncoder
* @state : a #GstVideoCodecState
*
* Notifies the encoder about the source surface properties. The
* accepted set of properties is: video resolution, colorimetry,
* pixel-aspect-ratio and framerate.
*
* This function is a synchronization point for codec configuration.
* This means that, at this point, the encoder is reconfigured to
* match the new properties and any other change beyond this point has
* zero effect.
*
* Return value: a #GstVaapiEncoderStatus
*/
GstVaapiEncoderStatus
gst_vaapi_encoder_set_codec_state (GstVaapiEncoder * encoder,
GstVideoCodecState * state)
{
GstVaapiEncoderStatus status;
g_return_val_if_fail (encoder != NULL,
GST_VAAPI_ENCODER_STATUS_ERROR_INVALID_PARAMETER);
g_return_val_if_fail (state != NULL,
GST_VAAPI_ENCODER_STATUS_ERROR_INVALID_PARAMETER);
if (!gst_video_info_is_equal (&state->info, &encoder->video_info)) {
status = check_video_info (encoder, &state->info);
if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS)
return status;
encoder->video_info = state->info;
}
return gst_vaapi_encoder_reconfigure_internal (encoder);
}
/* Determine the supported rate control modes */
static guint
get_rate_control_mask (GstVaapiEncoder * encoder)
{
const GstVaapiEncoderClassData *const cdata =
GST_VAAPI_ENCODER_GET_CLASS (encoder)->class_data;
guint i, value, rate_control_mask = 0;
if (encoder->got_rate_control_mask)
return encoder->rate_control_mask;
if (get_config_attribute (encoder, VAConfigAttribRateControl, &value)) {
for (i = 0; i < 32; i++) {
if (!(value & (1U << i)))
continue;
rate_control_mask |= 1 << to_GstVaapiRateControl (1 << i);
}
GST_INFO ("supported rate controls: 0x%08x", rate_control_mask);
encoder->got_rate_control_mask = TRUE;
encoder->rate_control_mask = cdata->rate_control_mask & rate_control_mask;
}
return encoder->rate_control_mask;
}
/**
* gst_vaapi_encoder_set_rate_control:
* @encoder: a #GstVaapiEncoder
* @rate_control: the requested rate control
*
* Notifies the @encoder to use the supplied @rate_control mode.
*
* If the underlying encoder does not support that rate control mode,
* then @GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_RATE_CONTROL is
* returned.
*
* The rate control mode can only be specified before the first frame
* is to be encoded. Afterwards, any change to this parameter is
* invalid and @GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED is
* returned.
*
* Return value: a #GstVaapiEncoderStatus
*/
GstVaapiEncoderStatus
gst_vaapi_encoder_set_rate_control (GstVaapiEncoder * encoder,
GstVaapiRateControl rate_control)
{
guint32 rate_control_mask;
g_return_val_if_fail (encoder != NULL,
GST_VAAPI_ENCODER_STATUS_ERROR_INVALID_PARAMETER);
if (encoder->rate_control != rate_control && encoder->num_codedbuf_queued > 0)
goto error_operation_failed;
rate_control_mask = get_rate_control_mask (encoder);
if (rate_control_mask && !(rate_control_mask & (1U << rate_control)))
goto error_unsupported_rate_control;
encoder->rate_control = rate_control;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
/* ERRORS */
error_operation_failed:
{
GST_ERROR ("could not change rate control mode after encoding started");
return GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED;
}
error_unsupported_rate_control:
{
GST_ERROR ("unsupported rate control mode (%d)", rate_control);
return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_RATE_CONTROL;
}
}
/**
* gst_vaapi_encoder_set_bitrate:
* @encoder: a #GstVaapiEncoder
* @bitrate: the requested bitrate (in kbps)
*
* Notifies the @encoder to use the supplied @bitrate value.
*
* Note: currently, the bitrate can only be specified before the first
* frame is encoded. Afterwards, any change to this parameter is
* invalid and @GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED is
* returned.
*
* Return value: a #GstVaapiEncoderStatus
*/
GstVaapiEncoderStatus
gst_vaapi_encoder_set_bitrate (GstVaapiEncoder * encoder, guint bitrate)
{
g_return_val_if_fail (encoder != NULL, 0);
if (encoder->bitrate != bitrate && encoder->num_codedbuf_queued > 0) {
GST_INFO ("Bitrate is changed to %d on runtime", bitrate);
encoder->bitrate = bitrate;
return gst_vaapi_encoder_reconfigure_internal (encoder);
}
encoder->bitrate = bitrate;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
}
GstVaapiEncoderStatus
gst_vaapi_encoder_set_target_percentage (GstVaapiEncoder * encoder,
guint target_percentage)
{
g_return_val_if_fail (encoder != NULL, 0);
if (encoder->target_percentage != target_percentage
&& encoder->num_codedbuf_queued > 0) {
if (GST_VAAPI_ENCODER_RATE_CONTROL (encoder) != GST_VAAPI_RATECONTROL_CBR) {
GST_INFO ("Target percentage is changed to %d on runtime",
target_percentage);
encoder->target_percentage = target_percentage;
return gst_vaapi_encoder_reconfigure_internal (encoder);
}
GST_WARNING ("Target percentage is ignored for CBR rate-control");
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
}
encoder->target_percentage = target_percentage;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
}
/**
* gst_vaapi_encoder_set_keyframe_period:
* @encoder: a #GstVaapiEncoder
* @keyframe_period: the maximal distance between two keyframes
*
* Notifies the @encoder to use the supplied @keyframe_period value.
*
* Note: currently, the keyframe period can only be specified before
* the last call to gst_vaapi_encoder_set_codec_state(), which shall
* occur before the first frame is encoded. Afterwards, any change to
* this parameter causes gst_vaapi_encoder_set_keyframe_period() to
* return @GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED.
*
* Return value: a #GstVaapiEncoderStatus
*/
GstVaapiEncoderStatus
gst_vaapi_encoder_set_keyframe_period (GstVaapiEncoder * encoder,
guint keyframe_period)
{
g_return_val_if_fail (encoder != NULL, 0);
if (encoder->keyframe_period != keyframe_period
&& encoder->num_codedbuf_queued > 0)
goto error_operation_failed;
encoder->keyframe_period = keyframe_period;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
/* ERRORS */
error_operation_failed:
{
GST_ERROR ("could not change keyframe period after encoding started");
return GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED;
}
}
/**
* gst_vaapi_encoder_set_tuning:
* @encoder: a #GstVaapiEncoder
* @tuning: the #GstVaapiEncoderTune option
*
* Notifies the @encoder to use the supplied @tuning option.
*
* Note: currently, the tuning option can only be specified before the
* last call to gst_vaapi_encoder_set_codec_state(), which shall occur
* before the first frame is encoded. Afterwards, any change to this
* parameter causes gst_vaapi_encoder_set_tuning() to return
* @GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED.
*
* Return value: a #GstVaapiEncoderStatus
*/
GstVaapiEncoderStatus
gst_vaapi_encoder_set_tuning (GstVaapiEncoder * encoder,
GstVaapiEncoderTune tuning)
{
g_return_val_if_fail (encoder != NULL, 0);
if (encoder->tune != tuning && encoder->num_codedbuf_queued > 0)
goto error_operation_failed;
encoder->tune = tuning;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
/* ERRORS */
error_operation_failed:
{
GST_ERROR ("could not change tuning options after encoding started");
return GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED;
}
}
/**
* gst_vaapi_encoder_set_quality_level:
* @encoder: a #GstVaapiEncoder
* @quality_level: the encoder quality level
*
* Notifies the @encoder to use the supplied @quality_level value.
*
* Note: currently, the quality_level can only be specified before
* the last call to gst_vaapi_encoder_set_codec_state(), which shall
* occur before the first frame is encoded. Afterwards, any change to
* this parameter causes gst_vaapi_encoder_set_quality_level() to
* return @GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED.
*
* Return value: a #GstVaapiEncoderStatus
*/
GstVaapiEncoderStatus
gst_vaapi_encoder_set_quality_level (GstVaapiEncoder * encoder,
guint quality_level)
{
g_return_val_if_fail (encoder != NULL, 0);
if (GST_VAAPI_ENCODER_QUALITY_LEVEL (encoder) != quality_level
&& encoder->num_codedbuf_queued > 0)
goto error_operation_failed;
GST_VAAPI_ENCODER_QUALITY_LEVEL (encoder) = quality_level;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
/* ERRORS */
error_operation_failed:
{
GST_ERROR ("could not change quality level after encoding started");
return GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED;
}
}
/**
* gst_vaapi_encoder_set_trellis:
* @encoder: a #GstVaapiEncoder
* @trellis: whether to use trellis quantization
*
* Notifies the @encoder to use the supplied @trellis option.
*
* Note: currently, the tuning option can only be specified before the
* last call to gst_vaapi_encoder_set_codec_state(), which shall occur
* before the first frame is encoded. Afterwards, any change to this
* parameter causes gst_vaapi_encoder_set_tuning() to return
* @GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED.
*
* Return value: a #GstVaapiEncoderStatus
*/
GstVaapiEncoderStatus
gst_vaapi_encoder_set_trellis (GstVaapiEncoder * encoder, gboolean trellis)
{
g_return_val_if_fail (encoder != NULL, 0);
if (encoder->trellis != trellis && encoder->num_codedbuf_queued > 0)
goto error_operation_failed;
encoder->trellis = trellis;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
/* ERRORS */
error_operation_failed:
{
GST_ERROR ("could not change trellis options after encoding started");
return GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED;
}
}
G_DEFINE_ABSTRACT_TYPE (GstVaapiEncoder, gst_vaapi_encoder, GST_TYPE_OBJECT);
/**
* GstVaapiEncoderProp:
* @ENCODER_PROP_DISPLAY: The display.
* @ENCODER_PROP_BITRATE: Bitrate expressed in kbps (uint).
* @ENCODER_PROP_TARGET_PERCENTAGE: Desired target percentage of
* bitrate for variable rate controls.
* @ENCODER_PROP_KEYFRAME_PERIOD: The maximal distance
* between two keyframes (uint).
* @ENCODER_PROP_DEFAULT_ROI_VALUE: The default delta qp to apply
* to each region of interest.
* @ENCODER_PROP_TRELLIS: Use trellis quantization method (gboolean).
*
* The set of configurable properties for the encoder.
*/
enum
{
ENCODER_PROP_DISPLAY = 1,
ENCODER_PROP_BITRATE,
ENCODER_PROP_TARGET_PERCENTAGE,
ENCODER_PROP_KEYFRAME_PERIOD,
ENCODER_PROP_QUALITY_LEVEL,
ENCODER_PROP_DEFAULT_ROI_VALUE,
ENCODER_PROP_TRELLIS,
ENCODER_N_PROPERTIES
};
static GParamSpec *properties[ENCODER_N_PROPERTIES];
static void
gst_vaapi_encoder_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstVaapiEncoder *encoder = GST_VAAPI_ENCODER (object);
GstVaapiEncoderStatus status = GST_VAAPI_ENCODER_STATUS_SUCCESS;
switch (prop_id) {
case ENCODER_PROP_DISPLAY:
g_assert (encoder->display == NULL);
encoder->display = g_value_dup_object (value);
g_assert (encoder->display != NULL);
encoder->va_display = GST_VAAPI_DISPLAY_VADISPLAY (encoder->display);
break;
case ENCODER_PROP_BITRATE:
status = gst_vaapi_encoder_set_bitrate (encoder,
g_value_get_uint (value));
break;
case ENCODER_PROP_TARGET_PERCENTAGE:
status =
gst_vaapi_encoder_set_target_percentage (encoder,
g_value_get_uint (value));
break;
case ENCODER_PROP_KEYFRAME_PERIOD:
status =
gst_vaapi_encoder_set_keyframe_period (encoder,
g_value_get_uint (value));
break;
case ENCODER_PROP_QUALITY_LEVEL:
status =
gst_vaapi_encoder_set_quality_level (encoder,
g_value_get_uint (value));
break;
case ENCODER_PROP_DEFAULT_ROI_VALUE:
encoder->default_roi_value = g_value_get_int (value);
status = GST_VAAPI_ENCODER_STATUS_SUCCESS;
break;
case ENCODER_PROP_TRELLIS:
status =
gst_vaapi_encoder_set_trellis (encoder, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
if (status)
GST_WARNING_OBJECT (encoder, "Failed to set the property:%s, error is %d",
g_param_spec_get_name (pspec), status);
}
static void
gst_vaapi_encoder_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstVaapiEncoder *encoder = GST_VAAPI_ENCODER (object);
switch (prop_id) {
case ENCODER_PROP_DISPLAY:
g_value_set_object (value, encoder->display);
break;
case ENCODER_PROP_BITRATE:
g_value_set_uint (value, encoder->bitrate);
break;
case ENCODER_PROP_TARGET_PERCENTAGE:
g_value_set_uint (value, encoder->target_percentage);
break;
case ENCODER_PROP_KEYFRAME_PERIOD:
g_value_set_uint (value, encoder->keyframe_period);
break;
case ENCODER_PROP_QUALITY_LEVEL:
g_value_set_uint (value, GST_VAAPI_ENCODER_QUALITY_LEVEL (encoder));
break;
case ENCODER_PROP_DEFAULT_ROI_VALUE:
g_value_set_int (value, encoder->default_roi_value);
break;
case ENCODER_PROP_TRELLIS:
g_value_set_boolean (value, encoder->trellis);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_vaapi_encoder_init (GstVaapiEncoder * encoder)
{
encoder->va_context = VA_INVALID_ID;
gst_video_info_init (&encoder->video_info);
g_mutex_init (&encoder->mutex);
g_cond_init (&encoder->surface_free);
g_cond_init (&encoder->codedbuf_free);
encoder->codedbuf_queue = g_async_queue_new_full ((GDestroyNotify)
gst_vaapi_coded_buffer_proxy_unref);
}
/* Base encoder cleanup (internal) */
static void
gst_vaapi_encoder_finalize (GObject * object)
{
GstVaapiEncoder *encoder = GST_VAAPI_ENCODER (object);
if (encoder->context)
gst_vaapi_context_unref (encoder->context);
encoder->context = NULL;
gst_vaapi_display_replace (&encoder->display, NULL);
encoder->va_display = NULL;
if (encoder->properties) {
g_ptr_array_unref (encoder->properties);
encoder->properties = NULL;
}
gst_vaapi_video_pool_replace (&encoder->codedbuf_pool, NULL);
if (encoder->codedbuf_queue) {
g_async_queue_unref (encoder->codedbuf_queue);
encoder->codedbuf_queue = NULL;
}
g_cond_clear (&encoder->surface_free);
g_cond_clear (&encoder->codedbuf_free);
g_mutex_clear (&encoder->mutex);
G_OBJECT_CLASS (gst_vaapi_encoder_parent_class)->finalize (object);
}
static void
gst_vaapi_encoder_class_init (GstVaapiEncoderClass * klass)
{
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
object_class->set_property = gst_vaapi_encoder_set_property;
object_class->get_property = gst_vaapi_encoder_get_property;
object_class->finalize = gst_vaapi_encoder_finalize;
/**
* GstVaapiDecoder:display:
*
* #GstVaapiDisplay to be used.
*/
properties[ENCODER_PROP_DISPLAY] =
g_param_spec_object ("display", "Gst VA-API Display",
"The VA-API display object to use", GST_TYPE_VAAPI_DISPLAY,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_NAME);
/**
* GstVaapiEncoder:bitrate:
*
* The desired bitrate, expressed in kbps.
* This is available when rate-control is CBR or VBR.
*
* CBR: This applies equally to minimum, maximum and target bitrate in the driver.
* VBR: This applies to maximum bitrate in the driver.
* Minimum bitrate will be calculated like the following in the driver.
* if (target percentage < 50) minimum bitrate = 0
* else minimum bitrate = maximum bitrate * (2 * target percentage -100) / 100
* Target bitrate will be calculated like the following in the driver.
* target bitrate = maximum bitrate * target percentage / 100
*/
properties[ENCODER_PROP_BITRATE] =
g_param_spec_uint ("bitrate",
"Bitrate (kbps)",
"The desired bitrate expressed in kbps (0: auto-calculate)",
0, 2000 * 1024, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
/**
* GstVaapiEncoder:target-percentage:
*
* The desired target percentage of bitrate for variable rate controls.
*/
properties[ENCODER_PROP_TARGET_PERCENTAGE] =
g_param_spec_uint ("target-percentage",
"Target Percentage",
"The desired target percentage of bitrate for variable rate "
"controls.", 1, 100, 70,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
/**
* GstVaapiEncoder:keyframe-period:
*
* The maximal distance between two keyframes.
*/
properties[ENCODER_PROP_KEYFRAME_PERIOD] =
g_param_spec_uint ("keyframe-period",
"Keyframe Period",
"Maximal distance between two keyframes (0: auto-calculate)", 0,
G_MAXUINT32, 30,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
/**
* GstVaapiEncoder:quality-level:
*
* The Encoding quality level.
*/
properties[ENCODER_PROP_QUALITY_LEVEL] =
g_param_spec_uint ("quality-level",
"Quality Level", "Encoding Quality Level "
"(lower value means higher-quality/slow-encode, "
" higher value means lower-quality/fast-encode)",
1, 7, 4, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
/**
* GstVapiEncoder:roi-default-delta-qp
*
* Default delta-qp to apply to each Region of Interest
*/
properties[ENCODER_PROP_DEFAULT_ROI_VALUE] =
g_param_spec_int ("default-roi-delta-qp", "Default ROI delta QP",
"The default delta-qp to apply to each Region of Interest"
"(lower value means higher-quality, "
"higher value means lower-quality)",
-10, 10, -10,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
/**
* GstVaapiEncoder: trellis:
*
* The trellis quantization method the encoder can use.
* Trellis is an improved quantization algorithm.
*
*/
properties[ENCODER_PROP_TRELLIS] =
g_param_spec_boolean ("trellis",
"Trellis Quantization",
"The Trellis Quantization Method of Encoder",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
g_object_class_install_properties (object_class, ENCODER_N_PROPERTIES,
properties);
}
static GstVaapiContext *
create_test_context_config (GstVaapiEncoder * encoder, GstVaapiProfile profile)
{
GstVaapiContextInfo cip = { 0, };
GstVaapiContext *ctxt;
g_assert (profile != GST_VAAPI_PROFILE_UNKNOWN);
cip.profile = profile;
cip.entrypoint = gst_vaapi_encoder_get_entrypoint (encoder, profile);
if (cip.entrypoint == GST_VAAPI_ENTRYPOINT_INVALID) {
GST_INFO ("can not find %s entrypoint for profile %s to create"
" text context. Ignore this profile",
GST_VAAPI_ENCODER_TUNE (encoder) == GST_VAAPI_ENCODER_TUNE_LOW_POWER ?
"the low-power" : "an available",
gst_vaapi_profile_get_va_name (profile));
return NULL;
}
init_context_info (encoder, &cip);
ctxt = gst_vaapi_context_new (encoder->display, &cip);
return ctxt;
}
static gboolean
get_profile_surface_attributes (GstVaapiEncoder * encoder,
GstVaapiProfile profile, GstVaapiConfigSurfaceAttributes * attribs)
{
GstVaapiContext *ctxt = NULL;
gboolean ret;
g_return_val_if_fail (attribs != NULL, FALSE);
g_return_val_if_fail (profile != GST_VAAPI_PROFILE_UNKNOWN, FALSE);
ctxt = create_test_context_config (encoder, profile);
if (!ctxt)
return FALSE;
ret = gst_vaapi_context_get_surface_attributes (ctxt, attribs);
if (ret) {
attribs->formats = gst_vaapi_context_get_surface_formats (ctxt);
if (!attribs->formats)
ret = FALSE;
}
gst_vaapi_context_unref (ctxt);
return ret;
}
static gboolean
merge_profile_surface_attributes (GstVaapiEncoder * encoder,
GstVaapiProfile profile, GstVaapiConfigSurfaceAttributes * attribs)
{
GstVaapiConfigSurfaceAttributes attr = { 0, };
guint i, j;
GstVideoFormat fmt, sfmt;
if (profile == GST_VAAPI_PROFILE_UNKNOWN)
return FALSE;
if (!get_profile_surface_attributes (encoder, profile, &attr))
return FALSE;
for (i = 0; i < attr.formats->len; i++) {
sfmt = g_array_index (attr.formats, GstVideoFormat, i);
for (j = 0; j < attribs->formats->len; j++) {
fmt = g_array_index (attribs->formats, GstVideoFormat, j);
if (fmt == sfmt)
break;
}
if (j >= attribs->formats->len)
g_array_append_val (attribs->formats, sfmt);
}
g_array_unref (attr.formats);
attribs->min_width = MIN (attribs->min_width, attr.min_width);
attribs->min_height = MIN (attribs->min_height, attr.min_height);
attribs->max_width = MAX (attribs->max_width, attr.max_width);
attribs->max_height = MAX (attribs->max_height, attr.max_height);
attribs->mem_types &= attr.mem_types;
return TRUE;
}
/**
* gst_vaapi_encoder_get_surface_attributres:
* @encoder: a #GstVaapiEncoder instances
* @profiles: a #GArray of #GstVaapiProfile to be test
* @min_width (out): the minimal surface width
* @min_height (out): the minimal surface height
* @max_width (out): the maximal surface width
* @max_height (out): the maximal surface height
*
* Fetches the valid surface's attributes for the specified @profiles
*
* Returns: a #GArray of valid formats we get or %NULL if failed.
**/
GArray *
gst_vaapi_encoder_get_surface_attributes (GstVaapiEncoder * encoder,
GArray * profiles, gint * min_width, gint * min_height,
gint * max_width, gint * max_height, guint * mem_types)
{
GstVaapiConfigSurfaceAttributes attribs = {
G_MAXINT, G_MAXINT, 1, 1, G_MAXUINT, NULL
};
GstVaapiProfile profile;
guint i;
attribs.formats = g_array_new (FALSE, FALSE, sizeof (GstVideoFormat));
for (i = 0; i < profiles->len; i++) {
profile = g_array_index (profiles, GstVaapiProfile, i);
g_assert (profile != GST_VAAPI_PROFILE_UNKNOWN);
GST_LOG ("Detect input formats of profile %s",
gst_vaapi_profile_get_va_name (profile));
if (!merge_profile_surface_attributes (encoder, profile, &attribs)) {
GST_INFO ("Can not get surface formats for profile %s",
gst_vaapi_profile_get_va_name (profile));
continue;
}
}
if (attribs.formats->len == 0) {
g_array_unref (attribs.formats);
return NULL;
}
if (min_width)
*min_width = attribs.min_width;
if (min_height)
*min_height = attribs.min_height;
if (max_width)
*max_width = attribs.max_width;
if (max_height)
*max_height = attribs.max_height;
if (mem_types)
*mem_types = attribs.mem_types;
return attribs.formats;
}
/**
* gst_vaapi_encoder_ensure_num_slices:
* @encoder: a #GstVaapiEncoder
* @profile: a #GstVaapiProfile
* @entrypoint: a #GstVaapiEntrypoint
* @media_max_slices: the number of the slices permitted by the stream
* @num_slices: (out): the possible number of slices to process
*
* This function will clamp the @num_slices provided by the user,
* according the limit of the number of slices permitted by the stream
* and by the hardware.
*
* We need to pass the @profile and the @entrypoint, because at the
* moment the encoder base class, still doesn't have them assigned,
* and this function is meant to be called by the derived classes
* while they are configured.
*
* Returns: %TRUE if the number of slices is different than zero.
**/
gboolean
gst_vaapi_encoder_ensure_num_slices (GstVaapiEncoder * encoder,
GstVaapiProfile profile, GstVaapiEntrypoint entrypoint,
guint media_max_slices, guint * num_slices)
{
VAProfile va_profile;
VAEntrypoint va_entrypoint;
guint max_slices, num;
va_profile = gst_vaapi_profile_get_va_profile (profile);
va_entrypoint = gst_vaapi_entrypoint_get_va_entrypoint (entrypoint);
if (!gst_vaapi_get_config_attribute (encoder->display, va_profile,
va_entrypoint, VAConfigAttribEncMaxSlices, &max_slices)) {
*num_slices = 1;
return TRUE;
}
num = *num_slices;
if (num > max_slices)
num = max_slices;
if (num > media_max_slices)
num = media_max_slices;
if (num == 0)
return FALSE;
*num_slices = num;
return TRUE;
}
/**
* gst_vaapi_encoder_ensure_max_num_ref_frames:
* @encoder: a #GstVaapiEncoder
* @profile: a #GstVaapiProfile
* @entrypoint: a #GstVaapiEntrypoint
*
* This function will query VAConfigAttribEncMaxRefFrames to get the
* maximum number of reference frames in the driver,
* for both the reference picture list 0 (bottom 16 bits) and
* the reference picture list 1 (top 16 bits).
*
* We need to pass the @profile and the @entrypoint, because at the
* moment the encoder base class, still doesn't have them assigned,
* and this function is meant to be called by the derived classes
* while they are configured.
*
* Returns: %TRUE if the number of reference frames is different than zero.
**/
gboolean
gst_vaapi_encoder_ensure_max_num_ref_frames (GstVaapiEncoder * encoder,
GstVaapiProfile profile, GstVaapiEntrypoint entrypoint)
{
VAProfile va_profile;
VAEntrypoint va_entrypoint;
guint max_ref_frames;
va_profile = gst_vaapi_profile_get_va_profile (profile);
va_entrypoint = gst_vaapi_entrypoint_get_va_entrypoint (entrypoint);
if (!gst_vaapi_get_config_attribute (encoder->display, va_profile,
va_entrypoint, VAConfigAttribEncMaxRefFrames, &max_ref_frames)) {
/* Set the default the number of reference frames */
encoder->max_num_ref_frames_0 = 1;
encoder->max_num_ref_frames_1 = 0;
return TRUE;
}
encoder->max_num_ref_frames_0 = max_ref_frames & 0xffff;
encoder->max_num_ref_frames_1 = (max_ref_frames >> 16) & 0xffff;
return TRUE;
}
/**
* gst_vaapi_encoder_ensure_tile_support:
* @encoder: a #GstVaapiEncoder
* @profile: a #GstVaapiProfile
* @entrypoint: a #GstVaapiEntrypoint
*
* This function will query VAConfigAttribEncTileSupport to check
* whether the encoder support tile.
*
* We need to pass the @profile and the @entrypoint, because at the
* moment the encoder base class, still doesn't have them assigned,
* and this function is meant to be called by the derived classes
* while they are configured.
*
* Returns: %TRUE if supported, %FALSE if not.
**/
gboolean
gst_vaapi_encoder_ensure_tile_support (GstVaapiEncoder * encoder,
GstVaapiProfile profile, GstVaapiEntrypoint entrypoint)
{
guint tile = 0;
#if VA_CHECK_VERSION(1,0,1)
VAProfile va_profile;
VAEntrypoint va_entrypoint;
va_profile = gst_vaapi_profile_get_va_profile (profile);
va_entrypoint = gst_vaapi_entrypoint_get_va_entrypoint (entrypoint);
if (!gst_vaapi_get_config_attribute (encoder->display, va_profile,
va_entrypoint, VAConfigAttribEncTileSupport, &tile))
return FALSE;
#endif
return tile > 0;
}
GstVaapiProfile
gst_vaapi_encoder_get_profile (GstVaapiEncoder * encoder)
{
g_return_val_if_fail (encoder, GST_VAAPI_PROFILE_UNKNOWN);
return encoder->profile;
}
/* Get the entrypoint based on the tune option. */
/**
* gst_vaapi_encoder_get_entrypoint:
* @encoder: a #GstVaapiEncoder
* @profile: a #GstVaapiProfile
*
* This function will return the valid entrypoint of the @encoder for
* @profile. If the low-power mode(tune option) is set, only LP
* entrypoints will be considered. If not, the first available entry
* point will be return.
*
* Returns: The #GstVaapiEntrypoint.
**/
GstVaapiEntrypoint
gst_vaapi_encoder_get_entrypoint (GstVaapiEncoder * encoder,
GstVaapiProfile profile)
{
/* XXX: The profile may not be the same with encoder->profile */
g_return_val_if_fail (encoder, GST_VAAPI_ENTRYPOINT_INVALID);
g_return_val_if_fail (profile != GST_VAAPI_PROFILE_UNKNOWN,
GST_VAAPI_ENTRYPOINT_INVALID);
if (profile == GST_VAAPI_PROFILE_JPEG_BASELINE)
return GST_VAAPI_ENTRYPOINT_PICTURE_ENCODE;
if (GST_VAAPI_ENCODER_TUNE (encoder) == GST_VAAPI_ENCODER_TUNE_LOW_POWER) {
if (gst_vaapi_display_has_encoder (GST_VAAPI_ENCODER_DISPLAY (encoder),
profile, GST_VAAPI_ENTRYPOINT_SLICE_ENCODE_LP))
return GST_VAAPI_ENTRYPOINT_SLICE_ENCODE_LP;
} else {
/* If not set, choose the available one */
if (gst_vaapi_display_has_encoder (GST_VAAPI_ENCODER_DISPLAY (encoder),
profile, GST_VAAPI_ENTRYPOINT_SLICE_ENCODE))
return GST_VAAPI_ENTRYPOINT_SLICE_ENCODE;
if (gst_vaapi_display_has_encoder (GST_VAAPI_ENCODER_DISPLAY (encoder),
profile, GST_VAAPI_ENTRYPOINT_SLICE_ENCODE_LP))
return GST_VAAPI_ENTRYPOINT_SLICE_ENCODE_LP;
}
return GST_VAAPI_ENTRYPOINT_INVALID;
}
/**
* gst_vaapi_encoder_get_available_profiles:
* @encoder: a #GstVaapiEncoder
*
* Collect all supported #GstVaapiProfile of current @encoder's #GstVaapiCodec,
* and return them as a #GArray
*
* Returns: An #GArray of #GstVaapiProfile.
**/
GArray *
gst_vaapi_encoder_get_available_profiles (GstVaapiEncoder * encoder)
{
GstVaapiCodec codec;
GArray *all_profiles = NULL;
GArray *profiles = NULL;
GstVaapiProfile profile;
guint i;
g_return_val_if_fail (encoder != NULL, 0);
codec = GST_VAAPI_ENCODER_GET_CLASS (encoder)->class_data->codec;
all_profiles = gst_vaapi_display_get_encode_profiles
(GST_VAAPI_ENCODER_DISPLAY (encoder));
if (!all_profiles)
goto out;
/* Add all supported profiles belong to current codec */
profiles = g_array_new (FALSE, FALSE, sizeof (GstVaapiProfile));
if (!profiles)
goto out;
for (i = 0; i < all_profiles->len; i++) {
profile = g_array_index (all_profiles, GstVaapiProfile, i);
if (gst_vaapi_profile_get_codec (profile) == codec)
g_array_append_val (profiles, profile);
}
out:
if (all_profiles)
g_array_unref (all_profiles);
if (profiles && profiles->len == 0) {
g_array_unref (profiles);
profiles = NULL;
}
return profiles;
}
/** Returns a GType for the #GstVaapiEncoderTune set */
GType
gst_vaapi_encoder_tune_get_type (void)
{
static gsize g_type = 0;
static const GEnumValue encoder_tune_values[] = {
/* *INDENT-OFF* */
{ GST_VAAPI_ENCODER_TUNE_NONE,
"None", "none" },
{ GST_VAAPI_ENCODER_TUNE_HIGH_COMPRESSION,
"High compression", "high-compression" },
{ GST_VAAPI_ENCODER_TUNE_LOW_LATENCY,
"Low latency", "low-latency" },
{ GST_VAAPI_ENCODER_TUNE_LOW_POWER,
"Low power mode", "low-power" },
{ 0, NULL, NULL },
/* *INDENT-ON* */
};
if (g_once_init_enter (&g_type)) {
GType type =
g_enum_register_static ("GstVaapiEncoderTune", encoder_tune_values);
g_once_init_leave (&g_type, type);
}
return g_type;
}
/** Returns a GType for the #GstVaapiEncoderMbbrc set */
GType
gst_vaapi_encoder_mbbrc_get_type (void)
{
static gsize g_type = 0;
if (g_once_init_enter (&g_type)) {
static const GEnumValue encoder_mbbrc_values[] = {
{GST_VAAPI_ENCODER_MBBRC_AUTO, "Auto", "auto"},
{GST_VAAPI_ENCODER_MBBRC_ON, "On", "on"},
{GST_VAAPI_ENCODER_MBBRC_OFF, "Off", "off"},
{0, NULL, NULL},
};
GType type =
g_enum_register_static (g_intern_static_string ("GstVaapiEncoderMbbrc"),
encoder_mbbrc_values);
g_once_init_leave (&g_type, type);
}
return g_type;
}
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