/* * gstvaapipostproc.c - VA-API video postprocessing * * Copyright (C) 2012-2014 Intel Corporation * Author: Gwenole Beauchesne * * 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 */ /** * SECTION:element-vaapipostproc * @short_description: A VA-API base video postprocessing filter * * vaapipostproc consists in various postprocessing algorithms to be * applied to VA surfaces. * * * Example launch line * |[ * gst-launch-1.0 videotestsrc ! vaapipostproc ! video/x-raw width=1920, height=1080 ! vaapisink * ]| * */ #include "gstcompat.h" #include #include "gstvaapipostproc.h" #include "gstvaapipostprocutil.h" #include "gstvaapipluginutil.h" #include "gstvaapivideobuffer.h" #include "gstvaapivideobufferpool.h" #include "gstvaapivideomemory.h" #define GST_PLUGIN_NAME "vaapipostproc" #define GST_PLUGIN_DESC "A VA-API video postprocessing filter" GST_DEBUG_CATEGORY_STATIC (gst_debug_vaapipostproc); #define GST_CAT_DEFAULT gst_debug_vaapipostproc /* Default templates */ /* *INDENT-OFF* */ static const char gst_vaapipostproc_sink_caps_str[] = GST_VAAPI_MAKE_SURFACE_CAPS ", " GST_CAPS_INTERLACED_MODES "; " GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) ", " GST_CAPS_INTERLACED_MODES; /* *INDENT-ON* */ /* *INDENT-OFF* */ static const char gst_vaapipostproc_src_caps_str[] = GST_VAAPI_MAKE_SURFACE_CAPS ", " GST_CAPS_INTERLACED_FALSE "; " #if (USE_GLX || USE_EGL) GST_VAAPI_MAKE_GLTEXUPLOAD_CAPS "; " #endif GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) ", " GST_CAPS_INTERLACED_FALSE; /* *INDENT-ON* */ /* *INDENT-OFF* */ static GstStaticPadTemplate gst_vaapipostproc_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS (gst_vaapipostproc_sink_caps_str)); /* *INDENT-ON* */ /* *INDENT-OFF* */ static GstStaticPadTemplate gst_vaapipostproc_src_factory = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS (gst_vaapipostproc_src_caps_str)); /* *INDENT-ON* */ static void gst_vaapipostproc_colorbalance_init (gpointer iface, gpointer data); G_DEFINE_TYPE_WITH_CODE (GstVaapiPostproc, gst_vaapipostproc, GST_TYPE_BASE_TRANSFORM, GST_VAAPI_PLUGIN_BASE_INIT_INTERFACES G_IMPLEMENT_INTERFACE (GST_TYPE_COLOR_BALANCE, gst_vaapipostproc_colorbalance_init)); GST_VAAPI_PLUGIN_BASE_DEFINE_SET_CONTEXT (gst_vaapipostproc_parent_class); static GstVideoFormat native_formats[] = { GST_VIDEO_FORMAT_NV12, GST_VIDEO_FORMAT_YV12, GST_VIDEO_FORMAT_I420 }; enum { PROP_0, PROP_FORMAT, PROP_WIDTH, PROP_HEIGHT, PROP_FORCE_ASPECT_RATIO, PROP_DEINTERLACE_MODE, PROP_DEINTERLACE_METHOD, PROP_DENOISE, PROP_SHARPEN, PROP_HUE, PROP_SATURATION, PROP_BRIGHTNESS, PROP_CONTRAST, PROP_SCALE_METHOD, PROP_SKIN_TONE_ENHANCEMENT, }; #define GST_VAAPI_TYPE_DEINTERLACE_MODE \ gst_vaapi_deinterlace_mode_get_type() static GType gst_vaapi_deinterlace_mode_get_type (void) { static GType deinterlace_mode_type = 0; static const GEnumValue mode_types[] = { {GST_VAAPI_DEINTERLACE_MODE_AUTO, "Auto detection", "auto"}, {GST_VAAPI_DEINTERLACE_MODE_INTERLACED, "Force deinterlacing", "interlaced"}, {GST_VAAPI_DEINTERLACE_MODE_DISABLED, "Never deinterlace", "disabled"}, {0, NULL, NULL}, }; if (!deinterlace_mode_type) { deinterlace_mode_type = g_enum_register_static ("GstVaapiDeinterlaceMode", mode_types); } return deinterlace_mode_type; } static void ds_reset (GstVaapiDeinterlaceState * ds) { guint i; for (i = 0; i < G_N_ELEMENTS (ds->buffers); i++) gst_buffer_replace (&ds->buffers[i], NULL); ds->buffers_index = 0; ds->num_surfaces = 0; ds->deint = FALSE; ds->tff = FALSE; } static void ds_add_buffer (GstVaapiDeinterlaceState * ds, GstBuffer * buf) { gst_buffer_replace (&ds->buffers[ds->buffers_index], buf); ds->buffers_index = (ds->buffers_index + 1) % G_N_ELEMENTS (ds->buffers); } static inline GstBuffer * ds_get_buffer (GstVaapiDeinterlaceState * ds, guint index) { /* Note: the index increases towards older buffers. i.e. buffer at index 0 means the immediately preceding buffer in the history, buffer at index 1 means the one preceding the surface at index 0, etc. */ const guint n = ds->buffers_index + G_N_ELEMENTS (ds->buffers) - index - 1; return ds->buffers[n % G_N_ELEMENTS (ds->buffers)]; } static void ds_set_surfaces (GstVaapiDeinterlaceState * ds) { GstVaapiVideoMeta *meta; guint i; ds->num_surfaces = 0; for (i = 0; i < G_N_ELEMENTS (ds->buffers); i++) { GstBuffer *const buf = ds_get_buffer (ds, i); if (!buf) break; meta = gst_buffer_get_vaapi_video_meta (buf); ds->surfaces[ds->num_surfaces++] = gst_vaapi_video_meta_get_surface (meta); } } static GstVaapiFilterOpInfo * find_filter_op (GPtrArray * filter_ops, GstVaapiFilterOp op) { guint i; if (filter_ops) { for (i = 0; i < filter_ops->len; i++) { GstVaapiFilterOpInfo *const filter_op = g_ptr_array_index (filter_ops, i); if (filter_op->op == op) return filter_op; } } return NULL; } static inline gboolean gst_vaapipostproc_ensure_display (GstVaapiPostproc * postproc) { return gst_vaapi_plugin_base_ensure_display (GST_VAAPI_PLUGIN_BASE (postproc)); } static gboolean gst_vaapipostproc_ensure_filter (GstVaapiPostproc * postproc) { if (postproc->filter) return TRUE; if (!gst_vaapipostproc_ensure_display (postproc)) return FALSE; gst_caps_replace (&postproc->allowed_srcpad_caps, NULL); gst_caps_replace (&postproc->allowed_sinkpad_caps, NULL); postproc->filter = gst_vaapi_filter_new (GST_VAAPI_PLUGIN_BASE_DISPLAY (postproc)); if (!postproc->filter) return FALSE; return TRUE; } static gboolean gst_vaapipostproc_ensure_filter_caps (GstVaapiPostproc * postproc) { if (!gst_vaapipostproc_ensure_filter (postproc)) return FALSE; postproc->filter_ops = gst_vaapi_filter_get_operations (postproc->filter); if (!postproc->filter_ops) return FALSE; postproc->filter_formats = gst_vaapi_filter_get_formats (postproc->filter); if (!postproc->filter_formats) return FALSE; return TRUE; } static gboolean gst_vaapipostproc_create (GstVaapiPostproc * postproc) { if (!gst_vaapi_plugin_base_open (GST_VAAPI_PLUGIN_BASE (postproc))) return FALSE; if (!gst_vaapipostproc_ensure_display (postproc)) return FALSE; postproc->use_vpp = FALSE; postproc->has_vpp = gst_vaapipostproc_ensure_filter (postproc); return TRUE; } static void gst_vaapipostproc_destroy_filter (GstVaapiPostproc * postproc) { if (postproc->filter_formats) { g_array_unref (postproc->filter_formats); postproc->filter_formats = NULL; } if (postproc->filter_ops) { g_ptr_array_unref (postproc->filter_ops); postproc->filter_ops = NULL; } if (postproc->cb_channels) { g_list_free_full (postproc->cb_channels, g_object_unref); postproc->cb_channels = NULL; } gst_vaapi_filter_replace (&postproc->filter, NULL); gst_vaapi_video_pool_replace (&postproc->filter_pool, NULL); } static void gst_vaapipostproc_destroy (GstVaapiPostproc * postproc) { ds_reset (&postproc->deinterlace_state); gst_vaapipostproc_destroy_filter (postproc); gst_caps_replace (&postproc->allowed_sinkpad_caps, NULL); gst_caps_replace (&postproc->allowed_srcpad_caps, NULL); gst_vaapi_plugin_base_close (GST_VAAPI_PLUGIN_BASE (postproc)); } static gboolean gst_vaapipostproc_start (GstBaseTransform * trans) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); ds_reset (&postproc->deinterlace_state); if (!gst_vaapi_plugin_base_open (GST_VAAPI_PLUGIN_BASE (postproc))) return FALSE; if (!gst_vaapipostproc_ensure_filter (postproc)) return FALSE; return TRUE; } static gboolean gst_vaapipostproc_stop (GstBaseTransform * trans) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); ds_reset (&postproc->deinterlace_state); gst_vaapi_plugin_base_close (GST_VAAPI_PLUGIN_BASE (postproc)); postproc->field_duration = GST_CLOCK_TIME_NONE; gst_video_info_init (&postproc->sinkpad_info); gst_video_info_init (&postproc->srcpad_info); gst_video_info_init (&postproc->filter_pool_info); return TRUE; } static gboolean should_deinterlace_buffer (GstVaapiPostproc * postproc, GstBuffer * buf) { if (!(postproc->flags & GST_VAAPI_POSTPROC_FLAG_DEINTERLACE) || postproc->deinterlace_mode == GST_VAAPI_DEINTERLACE_MODE_DISABLED) return FALSE; if (postproc->deinterlace_mode == GST_VAAPI_DEINTERLACE_MODE_INTERLACED) return TRUE; g_assert (postproc->deinterlace_mode == GST_VAAPI_DEINTERLACE_MODE_AUTO); switch (GST_VIDEO_INFO_INTERLACE_MODE (&postproc->sinkpad_info)) { case GST_VIDEO_INTERLACE_MODE_INTERLEAVED: return TRUE; case GST_VIDEO_INTERLACE_MODE_PROGRESSIVE: return FALSE; case GST_VIDEO_INTERLACE_MODE_MIXED: if (GST_BUFFER_FLAG_IS_SET (buf, GST_VIDEO_BUFFER_FLAG_INTERLACED)) return TRUE; break; default: GST_ERROR ("unhandled \"interlace-mode\", disabling deinterlacing"); break; } return FALSE; } static GstBuffer * create_output_buffer (GstVaapiPostproc * postproc) { GstBuffer *outbuf; GstBufferPool *const pool = GST_VAAPI_PLUGIN_BASE (postproc)->srcpad_buffer_pool; GstFlowReturn ret; g_return_val_if_fail (pool != NULL, NULL); if (!gst_buffer_pool_set_active (pool, TRUE)) goto error_activate_pool; outbuf = NULL; ret = gst_buffer_pool_acquire_buffer (pool, &outbuf, NULL); if (ret != GST_FLOW_OK || !outbuf) goto error_create_buffer; return outbuf; /* ERRORS */ error_activate_pool: { GST_ERROR ("failed to activate output video buffer pool"); return NULL; } error_create_buffer: { GST_ERROR ("failed to create output video buffer"); return NULL; } } static gboolean append_output_buffer_metadata (GstVaapiPostproc * postproc, GstBuffer * outbuf, GstBuffer * inbuf, guint flags) { GstVaapiVideoMeta *inbuf_meta, *outbuf_meta; GstVaapiSurfaceProxy *proxy; gst_buffer_copy_into (outbuf, inbuf, flags | GST_BUFFER_COPY_FLAGS, 0, -1); /* GstVideoCropMeta */ if (!postproc->use_vpp) { GstVideoCropMeta *const crop_meta = gst_buffer_get_video_crop_meta (inbuf); if (crop_meta) { GstVideoCropMeta *const out_crop_meta = gst_buffer_add_video_crop_meta (outbuf); if (out_crop_meta) *out_crop_meta = *crop_meta; } } /* GstVaapiVideoMeta */ inbuf_meta = gst_buffer_get_vaapi_video_meta (inbuf); g_return_val_if_fail (inbuf_meta != NULL, FALSE); proxy = gst_vaapi_video_meta_get_surface_proxy (inbuf_meta); outbuf_meta = gst_buffer_get_vaapi_video_meta (outbuf); g_return_val_if_fail (outbuf_meta != NULL, FALSE); proxy = gst_vaapi_surface_proxy_copy (proxy); if (!proxy) return FALSE; gst_vaapi_video_meta_set_surface_proxy (outbuf_meta, proxy); gst_vaapi_surface_proxy_unref (proxy); return TRUE; } static gboolean deint_method_is_advanced (GstVaapiDeinterlaceMethod deint_method) { gboolean is_advanced; switch (deint_method) { case GST_VAAPI_DEINTERLACE_METHOD_MOTION_ADAPTIVE: case GST_VAAPI_DEINTERLACE_METHOD_MOTION_COMPENSATED: is_advanced = TRUE; break; default: is_advanced = FALSE; break; } return is_advanced; } static GstVaapiDeinterlaceMethod get_next_deint_method (GstVaapiDeinterlaceMethod deint_method) { switch (deint_method) { case GST_VAAPI_DEINTERLACE_METHOD_MOTION_COMPENSATED: deint_method = GST_VAAPI_DEINTERLACE_METHOD_MOTION_ADAPTIVE; break; default: /* Default to basic "bob" for all others */ deint_method = GST_VAAPI_DEINTERLACE_METHOD_BOB; break; } return deint_method; } static gboolean set_best_deint_method (GstVaapiPostproc * postproc, guint flags, GstVaapiDeinterlaceMethod * deint_method_ptr) { GstVaapiDeinterlaceMethod deint_method = postproc->deinterlace_method; gboolean success; for (;;) { success = gst_vaapi_filter_set_deinterlacing (postproc->filter, deint_method, flags); if (success || deint_method == GST_VAAPI_DEINTERLACE_METHOD_BOB) break; deint_method = get_next_deint_method (deint_method); } *deint_method_ptr = deint_method; return success; } static GstFlowReturn gst_vaapipostproc_process_vpp (GstBaseTransform * trans, GstBuffer * inbuf, GstBuffer * outbuf) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); GstVaapiDeinterlaceState *const ds = &postproc->deinterlace_state; GstVaapiVideoMeta *inbuf_meta, *outbuf_meta; GstVaapiSurface *inbuf_surface, *outbuf_surface; GstVaapiSurfaceProxy *proxy; GstVaapiFilterStatus status; GstClockTime timestamp; GstFlowReturn ret; GstBuffer *fieldbuf; GstVaapiDeinterlaceMethod deint_method; guint flags, deint_flags; gboolean tff, deint, deint_refs, deint_changed; const GstVideoCropMeta *crop_meta; GstVaapiRectangle *crop_rect = NULL; GstVaapiRectangle tmp_rect; /* Validate filters */ if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_FORMAT) && !gst_vaapi_filter_set_format (postproc->filter, postproc->format)) return GST_FLOW_NOT_SUPPORTED; if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_DENOISE) && !gst_vaapi_filter_set_denoising_level (postproc->filter, postproc->denoise_level)) return GST_FLOW_NOT_SUPPORTED; if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_SHARPEN) && !gst_vaapi_filter_set_sharpening_level (postproc->filter, postproc->sharpen_level)) return GST_FLOW_NOT_SUPPORTED; if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_HUE) && !gst_vaapi_filter_set_hue (postproc->filter, postproc->hue)) return GST_FLOW_NOT_SUPPORTED; if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_SATURATION) && !gst_vaapi_filter_set_saturation (postproc->filter, postproc->saturation)) return GST_FLOW_NOT_SUPPORTED; if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_BRIGHTNESS) && !gst_vaapi_filter_set_brightness (postproc->filter, postproc->brightness)) return GST_FLOW_NOT_SUPPORTED; if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_CONTRAST) && !gst_vaapi_filter_set_contrast (postproc->filter, postproc->contrast)) return GST_FLOW_NOT_SUPPORTED; if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_SCALE) && !gst_vaapi_filter_set_scaling (postproc->filter, postproc->scale_method)) return GST_FLOW_NOT_SUPPORTED; if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_SKINTONE) && !gst_vaapi_filter_set_skintone (postproc->filter, postproc->skintone_enhance)) return GST_FLOW_NOT_SUPPORTED; inbuf_meta = gst_buffer_get_vaapi_video_meta (inbuf); if (!inbuf_meta) goto error_invalid_buffer; inbuf_surface = gst_vaapi_video_meta_get_surface (inbuf_meta); crop_meta = gst_buffer_get_video_crop_meta (inbuf); if (crop_meta) { crop_rect = &tmp_rect; crop_rect->x = crop_meta->x; crop_rect->y = crop_meta->y; crop_rect->width = crop_meta->width; crop_rect->height = crop_meta->height; } if (!crop_rect) crop_rect = (GstVaapiRectangle *) gst_vaapi_video_meta_get_render_rect (inbuf_meta); timestamp = GST_BUFFER_TIMESTAMP (inbuf); tff = GST_BUFFER_FLAG_IS_SET (inbuf, GST_VIDEO_BUFFER_FLAG_TFF); deint = should_deinterlace_buffer (postproc, inbuf); /* Drop references if deinterlacing conditions changed */ deint_changed = deint != ds->deint; if (deint_changed || (ds->num_surfaces > 0 && tff != ds->tff)) ds_reset (ds); deint_method = postproc->deinterlace_method; deint_refs = deint_method_is_advanced (deint_method); if (deint_refs && 0) { GstBuffer *const prev_buf = ds_get_buffer (ds, 0); GstClockTime prev_pts, pts = GST_BUFFER_TIMESTAMP (inbuf); /* Reset deinterlacing state when there is a discontinuity */ if (prev_buf && (prev_pts = GST_BUFFER_TIMESTAMP (prev_buf)) != pts) { const GstClockTimeDiff pts_diff = GST_CLOCK_DIFF (prev_pts, pts); if (pts_diff < 0 || (postproc->field_duration > 0 && pts_diff >= postproc->field_duration * 3 - 1)) ds_reset (ds); } } ds->deint = deint; ds->tff = tff; flags = gst_vaapi_video_meta_get_render_flags (inbuf_meta) & ~GST_VAAPI_PICTURE_STRUCTURE_MASK; /* First field */ if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_DEINTERLACE) { fieldbuf = create_output_buffer (postproc); if (!fieldbuf) goto error_create_buffer; outbuf_meta = gst_buffer_get_vaapi_video_meta (fieldbuf); if (!outbuf_meta) goto error_create_meta; proxy = gst_vaapi_surface_proxy_new_from_pool (GST_VAAPI_SURFACE_POOL (postproc->filter_pool)); if (!proxy) goto error_create_proxy; gst_vaapi_video_meta_set_surface_proxy (outbuf_meta, proxy); gst_vaapi_surface_proxy_unref (proxy); if (deint) { deint_flags = (tff ? GST_VAAPI_DEINTERLACE_FLAG_TOPFIELD : 0); if (tff) deint_flags |= GST_VAAPI_DEINTERLACE_FLAG_TFF; if (!set_best_deint_method (postproc, deint_flags, &deint_method)) goto error_op_deinterlace; if (deint_method != postproc->deinterlace_method) { GST_DEBUG ("unsupported deinterlace-method %u. Using %u instead", postproc->deinterlace_method, deint_method); postproc->deinterlace_method = deint_method; deint_refs = deint_method_is_advanced (deint_method); } if (deint_refs) { ds_set_surfaces (ds); if (!gst_vaapi_filter_set_deinterlacing_references (postproc->filter, ds->surfaces, ds->num_surfaces, NULL, 0)) goto error_op_deinterlace; } } else if (deint_changed) { // Reset internal filter to non-deinterlacing mode deint_method = GST_VAAPI_DEINTERLACE_METHOD_NONE; if (!gst_vaapi_filter_set_deinterlacing (postproc->filter, deint_method, 0)) goto error_op_deinterlace; } outbuf_surface = gst_vaapi_video_meta_get_surface (outbuf_meta); gst_vaapi_filter_set_cropping_rectangle (postproc->filter, crop_rect); status = gst_vaapi_filter_process (postproc->filter, inbuf_surface, outbuf_surface, flags); if (status != GST_VAAPI_FILTER_STATUS_SUCCESS) goto error_process_vpp; GST_BUFFER_TIMESTAMP (fieldbuf) = timestamp; GST_BUFFER_DURATION (fieldbuf) = postproc->field_duration; ret = gst_pad_push (trans->srcpad, fieldbuf); if (ret != GST_FLOW_OK) goto error_push_buffer; } fieldbuf = NULL; /* Second field */ outbuf_meta = gst_buffer_get_vaapi_video_meta (outbuf); if (!outbuf_meta) goto error_create_meta; if (!gst_vaapi_video_meta_get_surface_proxy (outbuf_meta)) { proxy = gst_vaapi_surface_proxy_new_from_pool (GST_VAAPI_SURFACE_POOL (postproc->filter_pool)); if (!proxy) goto error_create_proxy; gst_vaapi_video_meta_set_surface_proxy (outbuf_meta, proxy); gst_vaapi_surface_proxy_unref (proxy); } if (deint) { deint_flags = (tff ? 0 : GST_VAAPI_DEINTERLACE_FLAG_TOPFIELD); if (tff) deint_flags |= GST_VAAPI_DEINTERLACE_FLAG_TFF; if (!gst_vaapi_filter_set_deinterlacing (postproc->filter, deint_method, deint_flags)) goto error_op_deinterlace; if (deint_refs && !gst_vaapi_filter_set_deinterlacing_references (postproc->filter, ds->surfaces, ds->num_surfaces, NULL, 0)) goto error_op_deinterlace; } else if (deint_changed && !gst_vaapi_filter_set_deinterlacing (postproc->filter, deint_method, 0)) goto error_op_deinterlace; outbuf_surface = gst_vaapi_video_meta_get_surface (outbuf_meta); gst_vaapi_filter_set_cropping_rectangle (postproc->filter, crop_rect); status = gst_vaapi_filter_process (postproc->filter, inbuf_surface, outbuf_surface, flags); if (status != GST_VAAPI_FILTER_STATUS_SUCCESS) goto error_process_vpp; if (!(postproc->flags & GST_VAAPI_POSTPROC_FLAG_DEINTERLACE)) gst_buffer_copy_into (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS, 0, -1); else { GST_BUFFER_TIMESTAMP (outbuf) = timestamp + postproc->field_duration; GST_BUFFER_DURATION (outbuf) = postproc->field_duration; } if (deint && deint_refs) ds_add_buffer (ds, inbuf); postproc->use_vpp = TRUE; return GST_FLOW_OK; /* ERRORS */ error_invalid_buffer: { GST_ERROR ("failed to validate source buffer"); return GST_FLOW_ERROR; } error_create_buffer: { GST_ERROR ("failed to create output buffer"); return GST_FLOW_ERROR; } error_create_meta: { GST_ERROR ("failed to create new output buffer meta"); gst_buffer_replace (&fieldbuf, NULL); return GST_FLOW_ERROR; } error_create_proxy: { GST_ERROR ("failed to create surface proxy from pool"); gst_buffer_replace (&fieldbuf, NULL); return GST_FLOW_ERROR; } error_op_deinterlace: { GST_ERROR ("failed to apply deinterlacing filter"); gst_buffer_replace (&fieldbuf, NULL); return GST_FLOW_NOT_SUPPORTED; } error_process_vpp: { GST_ERROR ("failed to apply VPP filters (error %d)", status); gst_buffer_replace (&fieldbuf, NULL); return GST_FLOW_ERROR; } error_push_buffer: { if (ret != GST_FLOW_FLUSHING) GST_ERROR ("failed to push output buffer to video sink"); return GST_FLOW_ERROR; } } static GstFlowReturn gst_vaapipostproc_process (GstBaseTransform * trans, GstBuffer * inbuf, GstBuffer * outbuf) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); GstVaapiVideoMeta *meta; GstClockTime timestamp; GstFlowReturn ret; GstBuffer *fieldbuf; guint fieldbuf_flags, outbuf_flags, flags; gboolean tff, deint; meta = gst_buffer_get_vaapi_video_meta (inbuf); if (!meta) goto error_invalid_buffer; timestamp = GST_BUFFER_TIMESTAMP (inbuf); tff = GST_BUFFER_FLAG_IS_SET (inbuf, GST_VIDEO_BUFFER_FLAG_TFF); deint = should_deinterlace_buffer (postproc, inbuf); flags = gst_vaapi_video_meta_get_render_flags (meta) & ~GST_VAAPI_PICTURE_STRUCTURE_MASK; /* First field */ fieldbuf = create_output_buffer (postproc); if (!fieldbuf) goto error_create_buffer; append_output_buffer_metadata (postproc, fieldbuf, inbuf, 0); meta = gst_buffer_get_vaapi_video_meta (fieldbuf); fieldbuf_flags = flags; fieldbuf_flags |= deint ? (tff ? GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD : GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD) : GST_VAAPI_PICTURE_STRUCTURE_FRAME; gst_vaapi_video_meta_set_render_flags (meta, fieldbuf_flags); GST_BUFFER_TIMESTAMP (fieldbuf) = timestamp; GST_BUFFER_DURATION (fieldbuf) = postproc->field_duration; ret = gst_pad_push (trans->srcpad, fieldbuf); if (ret != GST_FLOW_OK) goto error_push_buffer; /* Second field */ append_output_buffer_metadata (postproc, outbuf, inbuf, 0); meta = gst_buffer_get_vaapi_video_meta (outbuf); outbuf_flags = flags; outbuf_flags |= deint ? (tff ? GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD : GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD) : GST_VAAPI_PICTURE_STRUCTURE_FRAME; gst_vaapi_video_meta_set_render_flags (meta, outbuf_flags); GST_BUFFER_TIMESTAMP (outbuf) = timestamp + postproc->field_duration; GST_BUFFER_DURATION (outbuf) = postproc->field_duration; return GST_FLOW_OK; /* ERRORS */ error_invalid_buffer: { GST_ERROR ("failed to validate source buffer"); return GST_FLOW_ERROR; } error_create_buffer: { GST_ERROR ("failed to create output buffer"); return GST_FLOW_EOS; } error_push_buffer: { if (ret != GST_FLOW_FLUSHING) GST_ERROR ("failed to push output buffer to video sink"); return GST_FLOW_EOS; } } static GstFlowReturn gst_vaapipostproc_passthrough (GstBaseTransform * trans, GstBuffer * inbuf, GstBuffer * outbuf) { GstVaapiVideoMeta *meta; /* No video processing needed, simply copy buffer metadata */ meta = gst_buffer_get_vaapi_video_meta (inbuf); if (!meta) goto error_invalid_buffer; append_output_buffer_metadata (GST_VAAPIPOSTPROC (trans), outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS); return GST_FLOW_OK; /* ERRORS */ error_invalid_buffer: { GST_ERROR ("failed to validate source buffer"); return GST_FLOW_ERROR; } } static gboolean video_info_changed (GstVideoInfo * old_vip, GstVideoInfo * new_vip) { if (GST_VIDEO_INFO_FORMAT (old_vip) != GST_VIDEO_INFO_FORMAT (new_vip)) return TRUE; if (GST_VIDEO_INFO_INTERLACE_MODE (old_vip) != GST_VIDEO_INFO_INTERLACE_MODE (new_vip)) return TRUE; if (GST_VIDEO_INFO_WIDTH (old_vip) != GST_VIDEO_INFO_WIDTH (new_vip)) return TRUE; if (GST_VIDEO_INFO_HEIGHT (old_vip) != GST_VIDEO_INFO_HEIGHT (new_vip)) return TRUE; return FALSE; } static gboolean video_info_update (GstCaps * caps, GstVideoInfo * info, gboolean * caps_changed_ptr) { GstVideoInfo vi; if (!gst_video_info_from_caps (&vi, caps)) return FALSE; *caps_changed_ptr = FALSE; if (video_info_changed (info, &vi)) { *caps_changed_ptr = TRUE; *info = vi; } return TRUE; } static gboolean gst_vaapipostproc_update_sink_caps (GstVaapiPostproc * postproc, GstCaps * caps, gboolean * caps_changed_ptr) { GstVideoInfo vi; gboolean deinterlace; GST_INFO_OBJECT (postproc, "new sink caps = %" GST_PTR_FORMAT, caps); if (!video_info_update (caps, &postproc->sinkpad_info, caps_changed_ptr)) return FALSE; vi = postproc->sinkpad_info; deinterlace = is_deinterlace_enabled (postproc, &vi); if (deinterlace) postproc->flags |= GST_VAAPI_POSTPROC_FLAG_DEINTERLACE; postproc->field_duration = GST_VIDEO_INFO_FPS_N (&vi) > 0 ? gst_util_uint64_scale (GST_SECOND, GST_VIDEO_INFO_FPS_D (&vi), (1 + deinterlace) * GST_VIDEO_INFO_FPS_N (&vi)) : 0; postproc->get_va_surfaces = gst_caps_has_vaapi_surface (caps); return TRUE; } static gboolean gst_vaapipostproc_update_src_caps (GstVaapiPostproc * postproc, GstCaps * caps, gboolean * caps_changed_ptr) { GST_INFO_OBJECT (postproc, "new src caps = %" GST_PTR_FORMAT, caps); if (!video_info_update (caps, &postproc->srcpad_info, caps_changed_ptr)) return FALSE; if (postproc->format != GST_VIDEO_INFO_FORMAT (&postproc->sinkpad_info) && postproc->format != DEFAULT_FORMAT) postproc->flags |= GST_VAAPI_POSTPROC_FLAG_FORMAT; if ((postproc->width || postproc->height) && postproc->width != GST_VIDEO_INFO_WIDTH (&postproc->sinkpad_info) && postproc->height != GST_VIDEO_INFO_HEIGHT (&postproc->sinkpad_info)) postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SIZE; return TRUE; } static gboolean ensure_allowed_sinkpad_caps (GstVaapiPostproc * postproc) { GstCaps *out_caps, *raw_caps; if (postproc->allowed_sinkpad_caps) return TRUE; /* Create VA caps */ out_caps = gst_caps_from_string (GST_VAAPI_MAKE_SURFACE_CAPS ", " GST_CAPS_INTERLACED_MODES); if (!out_caps) { GST_ERROR_OBJECT (postproc, "failed to create VA sink caps"); return FALSE; } /* Append raw video caps */ if (gst_vaapipostproc_ensure_display (postproc)) { raw_caps = gst_vaapi_plugin_base_get_allowed_raw_caps (GST_VAAPI_PLUGIN_BASE (postproc)); if (raw_caps) { out_caps = gst_caps_make_writable (out_caps); gst_caps_append (out_caps, gst_caps_copy (raw_caps)); } else { GST_WARNING_OBJECT (postproc, "failed to create YUV sink caps"); } } postproc->allowed_sinkpad_caps = out_caps; /* XXX: append VA/VPP filters */ return TRUE; } /* Fixup output caps so that to reflect the supported set of pixel formats */ static GstCaps * expand_allowed_srcpad_caps (GstVaapiPostproc * postproc, GstCaps * caps) { GValue value = G_VALUE_INIT, v_format = G_VALUE_INIT; guint i, num_structures; if (postproc->filter == NULL) goto cleanup; if (!gst_vaapipostproc_ensure_filter_caps (postproc)) goto cleanup; /* Reset "format" field for each structure */ if (!gst_vaapi_value_set_format_list (&value, postproc->filter_formats)) goto cleanup; if (gst_vaapi_value_set_format (&v_format, GST_VIDEO_FORMAT_ENCODED)) { gst_value_list_prepend_value (&value, &v_format); g_value_unset (&v_format); } num_structures = gst_caps_get_size (caps); for (i = 0; i < num_structures; i++) { GstCapsFeatures *const features = gst_caps_get_features (caps, i); GstStructure *structure; if (gst_caps_features_contains (features, GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META)) continue; structure = gst_caps_get_structure (caps, i); if (!structure) continue; gst_structure_set_value (structure, "format", &value); } g_value_unset (&value); cleanup: return caps; } static gboolean ensure_allowed_srcpad_caps (GstVaapiPostproc * postproc) { GstCaps *out_caps; if (postproc->allowed_srcpad_caps) return TRUE; /* Create initial caps from pad template */ out_caps = gst_caps_from_string (gst_vaapipostproc_src_caps_str); if (!out_caps) { GST_ERROR ("failed to create VA src caps"); return FALSE; } postproc->allowed_srcpad_caps = expand_allowed_srcpad_caps (postproc, out_caps); return postproc->allowed_srcpad_caps != NULL; } static GstCaps * gst_vaapipostproc_transform_caps_impl (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); /* Generate the sink pad caps, that could be fixated afterwards */ if (direction == GST_PAD_SRC) { if (!ensure_allowed_sinkpad_caps (postproc)) return NULL; return gst_caps_ref (postproc->allowed_sinkpad_caps); } /* Generate complete set of src pad caps */ if (!ensure_allowed_srcpad_caps (postproc)) return NULL; return gst_vaapipostproc_transform_srccaps (postproc); } static GstCaps * gst_vaapipostproc_transform_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter) { GstCaps *out_caps; GST_DEBUG_OBJECT (trans, "Transforming caps %" GST_PTR_FORMAT " in direction %s", caps, (direction == GST_PAD_SINK) ? "sink" : "src"); caps = gst_vaapipostproc_transform_caps_impl (trans, direction, caps); if (caps && filter) { out_caps = gst_caps_intersect_full (caps, filter, GST_CAPS_INTERSECT_FIRST); gst_caps_unref (caps); caps = out_caps; } GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, caps); return caps; } static GstCaps * gst_vaapipostproc_fixate_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); GstCaps *outcaps; GST_DEBUG_OBJECT (trans, "trying to fixate othercaps %" GST_PTR_FORMAT " based on caps %" GST_PTR_FORMAT " in direction %s", othercaps, caps, (direction == GST_PAD_SINK) ? "sink" : "src"); if (direction == GST_PAD_SRC) { /* @TODO: we can do better */ othercaps = gst_caps_fixate (othercaps); goto done; } if ((outcaps = gst_vaapipostproc_fixate_srccaps (postproc, caps, othercaps))) gst_caps_replace (&othercaps, outcaps); done: GST_DEBUG_OBJECT (trans, "fixated othercaps to %" GST_PTR_FORMAT, othercaps); return othercaps; } static gboolean gst_vaapipostproc_transform_size (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, gsize size, GstCaps * othercaps, gsize * othersize) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); if (direction == GST_PAD_SINK || postproc->get_va_surfaces) *othersize = 0; else *othersize = size; return TRUE; } static GstFlowReturn gst_vaapipostproc_transform (GstBaseTransform * trans, GstBuffer * inbuf, GstBuffer * outbuf) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); GstBuffer *buf; GstFlowReturn ret; ret = gst_vaapi_plugin_base_get_input_buffer (GST_VAAPI_PLUGIN_BASE (postproc), inbuf, &buf); if (ret != GST_FLOW_OK) return GST_FLOW_ERROR; ret = GST_FLOW_NOT_SUPPORTED; if (postproc->flags) { /* Use VA/VPP extensions to process this frame */ if (postproc->has_vpp && (postproc->flags != GST_VAAPI_POSTPROC_FLAG_DEINTERLACE || deint_method_is_advanced (postproc->deinterlace_method))) { ret = gst_vaapipostproc_process_vpp (trans, buf, outbuf); if (ret != GST_FLOW_NOT_SUPPORTED) goto done; GST_WARNING ("unsupported VPP filters. Disabling"); } /* Only append picture structure meta data (top/bottom field) */ if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_DEINTERLACE) { ret = gst_vaapipostproc_process (trans, buf, outbuf); if (ret != GST_FLOW_NOT_SUPPORTED) goto done; } } /* Fallback: passthrough to the downstream element as is */ ret = gst_vaapipostproc_passthrough (trans, buf, outbuf); done: gst_buffer_unref (buf); return ret; } static GstFlowReturn gst_vaapipostproc_prepare_output_buffer (GstBaseTransform * trans, GstBuffer * inbuf, GstBuffer ** outbuf_ptr) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); *outbuf_ptr = create_output_buffer (postproc); return *outbuf_ptr ? GST_FLOW_OK : GST_FLOW_ERROR; } static gboolean ensure_srcpad_buffer_pool (GstVaapiPostproc * postproc, GstCaps * caps) { GstVideoInfo vi; GstVaapiVideoPool *pool; gst_video_info_init (&vi); gst_video_info_from_caps (&vi, caps); gst_video_info_change_format (&vi, postproc->format, GST_VIDEO_INFO_WIDTH (&vi), GST_VIDEO_INFO_HEIGHT (&vi)); if (postproc->filter_pool && !video_info_changed (&postproc->filter_pool_info, &vi)) return TRUE; postproc->filter_pool_info = vi; pool = gst_vaapi_surface_pool_new_full (GST_VAAPI_PLUGIN_BASE_DISPLAY (postproc), &postproc->filter_pool_info, 0); if (!pool) return FALSE; gst_vaapi_video_pool_replace (&postproc->filter_pool, pool); gst_vaapi_video_pool_unref (pool); return TRUE; } static gboolean is_native_video_format (GstVideoFormat format) { guint i = 0; for (i = 0; i < G_N_ELEMENTS (native_formats); i++) if (native_formats[i] == format) return TRUE; return FALSE; } static gboolean gst_vaapipostproc_set_caps (GstBaseTransform * trans, GstCaps * caps, GstCaps * out_caps) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); gboolean caps_changed = FALSE; GstVideoInfo vinfo; if (!gst_vaapipostproc_update_sink_caps (postproc, caps, &caps_changed)) return FALSE; /* HACK: This is a workaround to deal with the va-intel-driver for non-native * formats while doing advanced deinterlacing. The format of reference surfaces must * be same as the format used by the driver internally for motion adaptive * deinterlacing and motion compensated deinterlacing */ gst_video_info_from_caps (&vinfo, caps); if (deint_method_is_advanced (postproc->deinterlace_method) && !is_native_video_format (GST_VIDEO_INFO_FORMAT (&vinfo))) { GST_WARNING_OBJECT (postproc, "Advanced deinterlacing requires the native video formats used by the driver internally"); return FALSE; } if (!gst_vaapipostproc_update_src_caps (postproc, out_caps, &caps_changed)) return FALSE; if (caps_changed) { gst_vaapipostproc_destroy (postproc); if (!gst_vaapipostproc_create (postproc)) return FALSE; if (!gst_vaapi_plugin_base_set_caps (GST_VAAPI_PLUGIN_BASE (trans), caps, out_caps)) return FALSE; } if (!ensure_srcpad_buffer_pool (postproc, out_caps)) return FALSE; return TRUE; } static gboolean gst_vaapipostproc_query (GstBaseTransform * trans, GstPadDirection direction, GstQuery * query) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); if (GST_QUERY_TYPE (query) == GST_QUERY_CONTEXT) { if (gst_vaapi_handle_context_query (query, GST_VAAPI_PLUGIN_BASE_DISPLAY (postproc))) { GST_DEBUG_OBJECT (postproc, "sharing display %p", GST_VAAPI_PLUGIN_BASE_DISPLAY (postproc)); return TRUE; } } return GST_BASE_TRANSFORM_CLASS (gst_vaapipostproc_parent_class)->query (trans, direction, query); } static gboolean gst_vaapipostproc_propose_allocation (GstBaseTransform * trans, GstQuery * decide_query, GstQuery * query) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans); GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (trans); GstCaps *allocation_caps; GstStructure *structure; gint allocation_width, allocation_height; gint negotiated_width, negotiated_height; negotiated_width = GST_VIDEO_INFO_WIDTH (&postproc->sinkpad_info); negotiated_height = GST_VIDEO_INFO_HEIGHT (&postproc->sinkpad_info); if (negotiated_width == 0 || negotiated_height == 0) goto bail; allocation_caps = NULL; gst_query_parse_allocation (query, &allocation_caps, NULL); if (!allocation_caps) goto bail; structure = gst_caps_get_structure (allocation_caps, 0); if (!gst_structure_get_int (structure, "width", &allocation_width)) goto bail; if (!gst_structure_get_int (structure, "height", &allocation_height)) goto bail; if (allocation_width != negotiated_width || allocation_height != negotiated_height) postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SIZE; bail: /* Let vaapidecode allocate the video buffers */ if (postproc->get_va_surfaces) return FALSE; if (!gst_vaapi_plugin_base_propose_allocation (plugin, query)) return FALSE; return TRUE; } static gboolean gst_vaapipostproc_decide_allocation (GstBaseTransform * trans, GstQuery * query) { return gst_vaapi_plugin_base_decide_allocation (GST_VAAPI_PLUGIN_BASE (trans), query); } static void gst_vaapipostproc_finalize (GObject * object) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (object); gst_vaapipostproc_destroy (postproc); gst_vaapi_plugin_base_finalize (GST_VAAPI_PLUGIN_BASE (postproc)); G_OBJECT_CLASS (gst_vaapipostproc_parent_class)->finalize (object); } static void gst_vaapipostproc_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (object); switch (prop_id) { case PROP_FORMAT: postproc->format = g_value_get_enum (value); break; case PROP_WIDTH: postproc->width = g_value_get_uint (value); break; case PROP_HEIGHT: postproc->height = g_value_get_uint (value); break; case PROP_FORCE_ASPECT_RATIO: postproc->keep_aspect = g_value_get_boolean (value); break; case PROP_DEINTERLACE_MODE: postproc->deinterlace_mode = g_value_get_enum (value); break; case PROP_DEINTERLACE_METHOD: postproc->deinterlace_method = g_value_get_enum (value); break; case PROP_DENOISE: postproc->denoise_level = g_value_get_float (value); postproc->flags |= GST_VAAPI_POSTPROC_FLAG_DENOISE; break; case PROP_SHARPEN: postproc->sharpen_level = g_value_get_float (value); postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SHARPEN; break; case PROP_HUE: postproc->hue = g_value_get_float (value); postproc->flags |= GST_VAAPI_POSTPROC_FLAG_HUE; break; case PROP_SATURATION: postproc->saturation = g_value_get_float (value); postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SATURATION; break; case PROP_BRIGHTNESS: postproc->brightness = g_value_get_float (value); postproc->flags |= GST_VAAPI_POSTPROC_FLAG_BRIGHTNESS; break; case PROP_CONTRAST: postproc->contrast = g_value_get_float (value); postproc->flags |= GST_VAAPI_POSTPROC_FLAG_CONTRAST; break; case PROP_SCALE_METHOD: postproc->scale_method = g_value_get_enum (value); postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SCALE; break; case PROP_SKIN_TONE_ENHANCEMENT: postproc->skintone_enhance = g_value_get_boolean (value); postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SKINTONE; break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_vaapipostproc_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (object); switch (prop_id) { case PROP_FORMAT: g_value_set_enum (value, postproc->format); break; case PROP_WIDTH: g_value_set_uint (value, postproc->width); break; case PROP_HEIGHT: g_value_set_uint (value, postproc->height); break; case PROP_FORCE_ASPECT_RATIO: g_value_set_boolean (value, postproc->keep_aspect); break; case PROP_DEINTERLACE_MODE: g_value_set_enum (value, postproc->deinterlace_mode); break; case PROP_DEINTERLACE_METHOD: g_value_set_enum (value, postproc->deinterlace_method); break; case PROP_DENOISE: g_value_set_float (value, postproc->denoise_level); break; case PROP_SHARPEN: g_value_set_float (value, postproc->sharpen_level); break; case PROP_HUE: g_value_set_float (value, postproc->hue); break; case PROP_SATURATION: g_value_set_float (value, postproc->saturation); break; case PROP_BRIGHTNESS: g_value_set_float (value, postproc->brightness); break; case PROP_CONTRAST: g_value_set_float (value, postproc->contrast); break; case PROP_SCALE_METHOD: g_value_set_enum (value, postproc->scale_method); break; case PROP_SKIN_TONE_ENHANCEMENT: g_value_set_boolean (value, postproc->skintone_enhance); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_vaapipostproc_class_init (GstVaapiPostprocClass * klass) { GObjectClass *const object_class = G_OBJECT_CLASS (klass); GstElementClass *const element_class = GST_ELEMENT_CLASS (klass); GstBaseTransformClass *const trans_class = GST_BASE_TRANSFORM_CLASS (klass); GstPadTemplate *pad_template; GPtrArray *filter_ops; GstVaapiFilterOpInfo *filter_op; GST_DEBUG_CATEGORY_INIT (gst_debug_vaapipostproc, GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC); gst_vaapi_plugin_base_class_init (GST_VAAPI_PLUGIN_BASE_CLASS (klass)); object_class->finalize = gst_vaapipostproc_finalize; object_class->set_property = gst_vaapipostproc_set_property; object_class->get_property = gst_vaapipostproc_get_property; trans_class->start = gst_vaapipostproc_start; trans_class->stop = gst_vaapipostproc_stop; trans_class->fixate_caps = gst_vaapipostproc_fixate_caps; trans_class->transform_caps = gst_vaapipostproc_transform_caps; trans_class->transform_size = gst_vaapipostproc_transform_size; trans_class->transform = gst_vaapipostproc_transform; trans_class->set_caps = gst_vaapipostproc_set_caps; trans_class->query = gst_vaapipostproc_query; trans_class->propose_allocation = gst_vaapipostproc_propose_allocation; trans_class->decide_allocation = gst_vaapipostproc_decide_allocation; trans_class->prepare_output_buffer = gst_vaapipostproc_prepare_output_buffer; element_class->set_context = gst_vaapi_base_set_context; gst_element_class_set_static_metadata (element_class, "VA-API video postprocessing", "Filter/Converter/Video;Filter/Converter/Video/Scaler;" "Filter/Effect/Video;Filter/Effect/Video/Deinterlace", GST_PLUGIN_DESC, "Gwenole Beauchesne "); /* sink pad */ pad_template = gst_static_pad_template_get (&gst_vaapipostproc_sink_factory); gst_element_class_add_pad_template (element_class, pad_template); /* src pad */ pad_template = gst_static_pad_template_get (&gst_vaapipostproc_src_factory); gst_element_class_add_pad_template (element_class, pad_template); /** * GstVaapiPostproc:deinterlace-mode: * * This selects whether the deinterlacing should always be applied * or if they should only be applied on content that has the * "interlaced" flag on the caps. */ g_object_class_install_property (object_class, PROP_DEINTERLACE_MODE, g_param_spec_enum ("deinterlace-mode", "Deinterlace mode", "Deinterlace mode to use", GST_VAAPI_TYPE_DEINTERLACE_MODE, DEFAULT_DEINTERLACE_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiPostproc:deinterlace-method: * * This selects the deinterlacing method to apply. */ g_object_class_install_property (object_class, PROP_DEINTERLACE_METHOD, g_param_spec_enum ("deinterlace-method", "Deinterlace method", "Deinterlace method to use", GST_VAAPI_TYPE_DEINTERLACE_METHOD, DEFAULT_DEINTERLACE_METHOD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); filter_ops = gst_vaapi_filter_get_operations (NULL); if (!filter_ops) return; /** * GstVaapiPostproc:format: * * The forced output pixel format, expressed as a #GstVideoFormat. */ filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_FORMAT); if (filter_op) g_object_class_install_property (object_class, PROP_FORMAT, filter_op->pspec); /** * GstVaapiPostproc:width: * * The forced output width in pixels. If set to zero, the width is * calculated from the height if aspect ration is preserved, or * inherited from the sink caps width */ g_object_class_install_property (object_class, PROP_WIDTH, g_param_spec_uint ("width", "Width", "Forced output width", 0, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiPostproc:height: * * The forced output height in pixels. If set to zero, the height is * calculated from the width if aspect ration is preserved, or * inherited from the sink caps height */ g_object_class_install_property (object_class, PROP_HEIGHT, g_param_spec_uint ("height", "Height", "Forced output height", 0, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiPostproc:force-aspect-ratio: * * When enabled, scaling respects video aspect ratio; when disabled, * the video is distorted to fit the width and height properties. */ g_object_class_install_property (object_class, PROP_FORCE_ASPECT_RATIO, g_param_spec_boolean ("force-aspect-ratio", "Force aspect ratio", "When enabled, scaling will respect original aspect ratio", TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiPostproc:denoise: * * The level of noise reduction to apply. */ filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_DENOISE); if (filter_op) g_object_class_install_property (object_class, PROP_DENOISE, filter_op->pspec); /** * GstVaapiPostproc:sharpen: * * The level of sharpening to apply for positive values, or the * level of blurring for negative values. */ filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_SHARPEN); if (filter_op) g_object_class_install_property (object_class, PROP_SHARPEN, filter_op->pspec); /** * GstVaapiPostproc:hue: * * The color hue, expressed as a float value. Range is -180.0 to * 180.0. Default value is 0.0 and represents no modification. */ filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_HUE); if (filter_op) g_object_class_install_property (object_class, PROP_HUE, filter_op->pspec); /** * GstVaapiPostproc:saturation: * * The color saturation, expressed as a float value. Range is 0.0 to * 2.0. Default value is 1.0 and represents no modification. */ filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_SATURATION); if (filter_op) g_object_class_install_property (object_class, PROP_SATURATION, filter_op->pspec); /** * GstVaapiPostproc:brightness: * * The color brightness, expressed as a float value. Range is -1.0 * to 1.0. Default value is 0.0 and represents no modification. */ filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_BRIGHTNESS); if (filter_op) g_object_class_install_property (object_class, PROP_BRIGHTNESS, filter_op->pspec); /** * GstVaapiPostproc:contrast: * * The color contrast, expressed as a float value. Range is 0.0 to * 2.0. Default value is 1.0 and represents no modification. */ filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_CONTRAST); if (filter_op) g_object_class_install_property (object_class, PROP_CONTRAST, filter_op->pspec); /** * GstVaapiPostproc:scale-method: * * The scaling method to use, expressed as an enum value. See * #GstVaapiScaleMethod. */ filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_SCALING); if (filter_op) g_object_class_install_property (object_class, PROP_SCALE_METHOD, filter_op->pspec); /** * GstVaapiPostproc:skin-tone-enhancement: * * Apply the skin tone enhancement algorithm. */ filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_SKINTONE); if (filter_op) g_object_class_install_property (object_class, PROP_SKIN_TONE_ENHANCEMENT, filter_op->pspec); g_ptr_array_unref (filter_ops); } static float * find_value_ptr (GstVaapiPostproc * postproc, GstVaapiFilterOp op) { switch (op) { case GST_VAAPI_FILTER_OP_HUE: return &postproc->hue; case GST_VAAPI_FILTER_OP_SATURATION: return &postproc->saturation; case GST_VAAPI_FILTER_OP_BRIGHTNESS: return &postproc->brightness; case GST_VAAPI_FILTER_OP_CONTRAST: return &postproc->contrast; default: return NULL; } } static void cb_set_default_value (GstVaapiPostproc * postproc, GPtrArray * filter_ops, GstVaapiFilterOp op) { GstVaapiFilterOpInfo *filter_op; GParamSpecFloat *pspec; float *var; filter_op = find_filter_op (filter_ops, op); if (!filter_op) return; var = find_value_ptr (postproc, op); if (!var) return; pspec = G_PARAM_SPEC_FLOAT (filter_op->pspec); *var = pspec->default_value; } static void gst_vaapipostproc_init (GstVaapiPostproc * postproc) { GPtrArray *filter_ops; guint i; gst_vaapi_plugin_base_init (GST_VAAPI_PLUGIN_BASE (postproc), GST_CAT_DEFAULT); postproc->format = DEFAULT_FORMAT; postproc->deinterlace_mode = DEFAULT_DEINTERLACE_MODE; postproc->deinterlace_method = DEFAULT_DEINTERLACE_METHOD; postproc->field_duration = GST_CLOCK_TIME_NONE; postproc->keep_aspect = TRUE; postproc->get_va_surfaces = TRUE; filter_ops = gst_vaapi_filter_get_operations (NULL); if (filter_ops) { for (i = GST_VAAPI_FILTER_OP_HUE; i <= GST_VAAPI_FILTER_OP_CONTRAST; i++) cb_set_default_value (postproc, filter_ops, i); g_ptr_array_unref (filter_ops); } gst_video_info_init (&postproc->sinkpad_info); gst_video_info_init (&postproc->srcpad_info); gst_video_info_init (&postproc->filter_pool_info); } /* ------------------------------------------------------------------------ */ /* --- GstColorBalance interface --- */ /* ------------------------------------------------------------------------ */ #define CB_CHANNEL_FACTOR 1000.0 typedef struct { GstVaapiFilterOp op; const gchar *name; } ColorBalanceChannel; ColorBalanceChannel cb_channels[] = { { GST_VAAPI_FILTER_OP_HUE, "VA_FILTER_HUE"}, { GST_VAAPI_FILTER_OP_SATURATION, "VA_FILTER_SATURATION"}, { GST_VAAPI_FILTER_OP_BRIGHTNESS, "VA_FILTER_BRIGHTNESS"}, { GST_VAAPI_FILTER_OP_CONTRAST, "VA_FILTER_CONTRAST"}, }; static void cb_channels_init (GstVaapiPostproc * postproc) { GPtrArray *filter_ops; GstVaapiFilterOpInfo *filter_op; GParamSpecFloat *pspec; GstColorBalanceChannel *channel; guint i; if (postproc->cb_channels) return; if (!gst_vaapipostproc_ensure_filter (postproc)) return; filter_ops = postproc->filter_ops ? g_ptr_array_ref (postproc->filter_ops) : gst_vaapi_filter_get_operations (postproc->filter); if (!filter_ops) return; for (i = 0; i < G_N_ELEMENTS (cb_channels); i++) { filter_op = find_filter_op (filter_ops, cb_channels[i].op); if (!filter_op) continue; pspec = G_PARAM_SPEC_FLOAT (filter_op->pspec); channel = g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL, NULL); channel->label = g_strdup (cb_channels[i].name); channel->min_value = pspec->minimum * CB_CHANNEL_FACTOR; channel->max_value = pspec->maximum * CB_CHANNEL_FACTOR; postproc->cb_channels = g_list_prepend (postproc->cb_channels, channel); } g_ptr_array_unref (filter_ops); } static const GList * gst_vaapipostproc_colorbalance_list_channels (GstColorBalance * balance) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (balance); cb_channels_init (postproc); return postproc->cb_channels; } static gfloat * cb_get_value_ptr (GstVaapiPostproc * postproc, GstColorBalanceChannel * channel, GstVaapiPostprocFlags * flags) { guint i; gfloat *ret = NULL; for (i = 0; i < G_N_ELEMENTS (cb_channels); i++) { if (g_ascii_strcasecmp (cb_channels[i].name, channel->label) == 0) break; } if (i >= G_N_ELEMENTS (cb_channels)) return NULL; ret = find_value_ptr (postproc, cb_channels[i].op); if (flags) *flags = 1 << cb_channels[i].op; return ret; } static void gst_vaapipostproc_colorbalance_set_value (GstColorBalance * balance, GstColorBalanceChannel * channel, gint value) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (balance); GstVaapiPostprocFlags flags; gfloat new_val, *var; value = CLAMP (value, channel->min_value, channel->max_value); new_val = (gfloat) value / CB_CHANNEL_FACTOR; var = cb_get_value_ptr (postproc, channel, &flags); if (var) { *var = new_val; postproc->flags |= flags; gst_color_balance_value_changed (balance, channel, value); return; } GST_WARNING_OBJECT (postproc, "unknown channel %s", channel->label); } static gint gst_vaapipostproc_colorbalance_get_value (GstColorBalance * balance, GstColorBalanceChannel * channel) { GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (balance); gfloat *var; gint new_val; var = cb_get_value_ptr (postproc, channel, NULL); if (var) { new_val = (gint) ((*var) * CB_CHANNEL_FACTOR); new_val = CLAMP (new_val, channel->min_value, channel->max_value); return new_val; } GST_WARNING_OBJECT (postproc, "unknown channel %s", channel->label); return G_MININT; } static GstColorBalanceType gst_vaapipostproc_colorbalance_get_balance_type (GstColorBalance * balance) { return GST_COLOR_BALANCE_HARDWARE; } static void gst_vaapipostproc_colorbalance_init (gpointer iface, gpointer data) { GstColorBalanceInterface *cbface = iface; cbface->list_channels = gst_vaapipostproc_colorbalance_list_channels; cbface->set_value = gst_vaapipostproc_colorbalance_set_value; cbface->get_value = gst_vaapipostproc_colorbalance_get_value; cbface->get_balance_type = gst_vaapipostproc_colorbalance_get_balance_type; }