/* GStreamer * Copyright (C) 2020 Thibault Saunier * Copyright (C) 2022 Seungha Yang * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include #endif #include #include "gstcudaconvertscale.h" #include "gstcudaconverter.h" GST_DEBUG_CATEGORY_STATIC (gst_cuda_base_convert_debug); #define GST_CAT_DEFAULT gst_cuda_base_convert_debug #define GST_CUDA_CONVET_FORMATS \ "{ I420, YV12, NV12, NV21, P010_10LE, P012_LE, P016_LE, I420_10LE, I420_12LE, Y444, " \ "Y444_10LE, Y444_12LE, Y444_16LE, BGRA, RGBA, RGBx, BGRx, ARGB, ABGR, RGB, " \ "BGR, BGR10A2_LE, RGB10A2_LE, Y42B, I422_10LE, I422_12LE, RGBP, BGRP, GBR, " \ "GBRA, GBR_10LE, GBR_12LE, GBR_16LE, VUYA }" static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY, GST_CUDA_CONVET_FORMATS)) ); static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY, GST_CUDA_CONVET_FORMATS)) ); #define DEFAULT_ADD_BORDERS TRUE struct _GstCudaBaseConvert { GstCudaBaseTransform parent; GstCudaConverter *converter; GstCudaStream *other_stream; gint borders_h; gint borders_w; gboolean add_borders; gboolean downstream_supports_crop_meta; gboolean same_caps; GstVideoRectangle in_rect; /* orientation */ /* method configured via property */ GstVideoOrientationMethod method; /* method parsed from tag */ GstVideoOrientationMethod tag_method; /* method currently selected based on "method" and "tag_method" */ GstVideoOrientationMethod selected_method; /* method previously selected and used for negotiation */ GstVideoOrientationMethod active_method; GMutex lock; }; static void gst_cuda_base_convert_dispose (GObject * object); static void gst_cuda_base_convert_finalize (GObject * object); static GstCaps *gst_cuda_base_convert_transform_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter); static GstCaps *gst_cuda_base_convert_fixate_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps); static gboolean gst_cuda_base_convert_propose_allocation (GstBaseTransform * trans, GstQuery * decide_query, GstQuery * query); static gboolean gst_cuda_base_convert_decide_allocation (GstBaseTransform * trans, GstQuery * query); static gboolean gst_cuda_base_convert_transform_meta (GstBaseTransform * trans, GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf); static GstFlowReturn gst_cuda_base_convert_transform (GstBaseTransform * trans, GstBuffer * inbuf, GstBuffer * outbuf); static GstFlowReturn gst_cuda_base_convert_generate_output (GstBaseTransform * trans, GstBuffer ** buffer); static gboolean gst_cuda_base_convert_set_info (GstCudaBaseTransform * btrans, GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info); /** * GstCudaBaseConvert: * * A baseclass implementation for cuda convert elements * * Since: 1.22 */ #define gst_cuda_base_convert_parent_class parent_class G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstCudaBaseConvert, gst_cuda_base_convert, GST_TYPE_CUDA_BASE_TRANSFORM, GST_DEBUG_CATEGORY_INIT (gst_cuda_base_convert_debug, "cudaconvertscale", 0, "CUDA Base Filter")); static void gst_cuda_base_convert_class_init (GstCudaBaseConvertClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass); GstCudaBaseTransformClass *btrans_class = GST_CUDA_BASE_TRANSFORM_CLASS (klass); gobject_class->dispose = gst_cuda_base_convert_dispose; gobject_class->finalize = gst_cuda_base_convert_finalize; gst_element_class_add_static_pad_template (element_class, &sink_template); gst_element_class_add_static_pad_template (element_class, &src_template); trans_class->passthrough_on_same_caps = FALSE; trans_class->transform_caps = GST_DEBUG_FUNCPTR (gst_cuda_base_convert_transform_caps); trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_cuda_base_convert_fixate_caps); trans_class->propose_allocation = GST_DEBUG_FUNCPTR (gst_cuda_base_convert_propose_allocation); trans_class->decide_allocation = GST_DEBUG_FUNCPTR (gst_cuda_base_convert_decide_allocation); trans_class->transform_meta = GST_DEBUG_FUNCPTR (gst_cuda_base_convert_transform_meta); trans_class->transform = GST_DEBUG_FUNCPTR (gst_cuda_base_convert_transform); trans_class->generate_output = GST_DEBUG_FUNCPTR (gst_cuda_base_convert_generate_output); btrans_class->set_info = GST_DEBUG_FUNCPTR (gst_cuda_base_convert_set_info); gst_type_mark_as_plugin_api (GST_TYPE_CUDA_BASE_CONVERT, 0); } static void gst_cuda_base_convert_init (GstCudaBaseConvert * self) { self->add_borders = DEFAULT_ADD_BORDERS; g_mutex_init (&self->lock); } static void gst_cuda_base_convert_dispose (GObject * object) { GstCudaBaseConvert *self = GST_CUDA_BASE_CONVERT (object); gst_clear_cuda_stream (&self->other_stream); gst_clear_object (&self->converter); G_OBJECT_CLASS (parent_class)->dispose (object); } static void gst_cuda_base_convert_finalize (GObject * object) { GstCudaBaseConvert *self = GST_CUDA_BASE_CONVERT (object); g_mutex_clear (&self->lock); G_OBJECT_CLASS (parent_class)->finalize (object); } static GstCaps * gst_cuda_base_convert_caps_remove_format_info (GstCaps * caps) { GstStructure *st; GstCapsFeatures *f; gint i, n; GstCaps *res; GstCapsFeatures *feature = gst_caps_features_new_single_static_str (GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY); res = gst_caps_new_empty (); n = gst_caps_get_size (caps); for (i = 0; i < n; i++) { st = gst_caps_get_structure (caps, i); f = gst_caps_get_features (caps, i); /* If this is already expressed by the existing caps * skip this structure */ if (i > 0 && gst_caps_is_subset_structure_full (res, st, f)) continue; st = gst_structure_copy (st); /* Only remove format info for the cases when we can actually convert */ if (!gst_caps_features_is_any (f) && gst_caps_features_is_equal (f, feature)) { gst_structure_remove_fields (st, "format", "colorimetry", "chroma-site", NULL); } gst_caps_append_structure_full (res, st, gst_caps_features_copy (f)); } gst_caps_features_free (feature); return res; } static GstCaps * gst_cuda_base_convert_caps_rangify_size_info (GstCaps * caps) { GstStructure *st; GstCapsFeatures *f; gint i, n; GstCaps *res; GstCapsFeatures *feature = gst_caps_features_new_single_static_str (GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY); res = gst_caps_new_empty (); n = gst_caps_get_size (caps); for (i = 0; i < n; i++) { st = gst_caps_get_structure (caps, i); f = gst_caps_get_features (caps, i); /* If this is already expressed by the existing caps * skip this structure */ if (i > 0 && gst_caps_is_subset_structure_full (res, st, f)) continue; st = gst_structure_copy (st); /* Only remove format info for the cases when we can actually convert */ if (!gst_caps_features_is_any (f) && gst_caps_features_is_equal (f, feature)) { gst_structure_set (st, "width", GST_TYPE_INT_RANGE, 1, G_MAXINT, "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL); /* if pixel aspect ratio, make a range of it */ if (gst_structure_has_field (st, "pixel-aspect-ratio")) { gst_structure_set (st, "pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 1, G_MAXINT, G_MAXINT, 1, NULL); } } gst_caps_append_structure_full (res, st, gst_caps_features_copy (f)); } gst_caps_features_free (feature); return res; } static GstCaps * gst_cuda_base_convert_caps_remove_format_and_rangify_size_info (GstCaps * caps) { GstStructure *st; GstCapsFeatures *f; gint i, n; GstCaps *res; GstCapsFeatures *feature = gst_caps_features_new_single_static_str (GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY); res = gst_caps_new_empty (); n = gst_caps_get_size (caps); for (i = 0; i < n; i++) { st = gst_caps_get_structure (caps, i); f = gst_caps_get_features (caps, i); /* If this is already expressed by the existing caps * skip this structure */ if (i > 0 && gst_caps_is_subset_structure_full (res, st, f)) continue; st = gst_structure_copy (st); /* Only remove format info for the cases when we can actually convert */ if (!gst_caps_features_is_any (f) && gst_caps_features_is_equal (f, feature)) { gst_structure_set (st, "width", GST_TYPE_INT_RANGE, 1, G_MAXINT, "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL); /* if pixel aspect ratio, make a range of it */ if (gst_structure_has_field (st, "pixel-aspect-ratio")) { gst_structure_set (st, "pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 1, G_MAXINT, G_MAXINT, 1, NULL); } gst_structure_remove_fields (st, "format", "colorimetry", "chroma-site", NULL); } gst_caps_append_structure_full (res, st, gst_caps_features_copy (f)); } gst_caps_features_free (feature); return res; } static GstCaps * gst_cuda_base_convert_transform_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter) { GstCaps *tmp, *tmp2; GstCaps *result; /* Get all possible caps that we can transform to */ tmp = gst_cuda_base_convert_caps_remove_format_and_rangify_size_info (caps); if (filter) { tmp2 = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST); gst_caps_unref (tmp); tmp = tmp2; } result = tmp; GST_DEBUG_OBJECT (trans, "transformed %" GST_PTR_FORMAT " into %" GST_PTR_FORMAT, caps, result); return result; } /* * This is an incomplete matrix of in formats and a score for the prefered output * format. * * out: RGB24 RGB16 ARGB AYUV YUV444 YUV422 YUV420 YUV411 YUV410 PAL GRAY * in * RGB24 0 2 1 2 2 3 4 5 6 7 8 * RGB16 1 0 1 2 2 3 4 5 6 7 8 * ARGB 2 3 0 1 4 5 6 7 8 9 10 * AYUV 3 4 1 0 2 5 6 7 8 9 10 * YUV444 2 4 3 1 0 5 6 7 8 9 10 * YUV422 3 5 4 2 1 0 6 7 8 9 10 * YUV420 4 6 5 3 2 1 0 7 8 9 10 * YUV411 4 6 5 3 2 1 7 0 8 9 10 * YUV410 6 8 7 5 4 3 2 1 0 9 10 * PAL 1 3 2 6 4 6 7 8 9 0 10 * GRAY 1 4 3 2 1 5 6 7 8 9 0 * * PAL or GRAY are never prefered, if we can we would convert to PAL instead * of GRAY, though * less subsampling is prefered and if any, preferably horizontal * We would like to keep the alpha, even if we would need to to colorspace conversion * or lose depth. */ #define SCORE_FORMAT_CHANGE 1 #define SCORE_DEPTH_CHANGE 1 #define SCORE_ALPHA_CHANGE 1 #define SCORE_CHROMA_W_CHANGE 1 #define SCORE_CHROMA_H_CHANGE 1 #define SCORE_PALETTE_CHANGE 1 #define SCORE_COLORSPACE_LOSS 2 /* RGB <-> YUV */ #define SCORE_DEPTH_LOSS 4 /* change bit depth */ #define SCORE_ALPHA_LOSS 8 /* lose the alpha channel */ #define SCORE_CHROMA_W_LOSS 16 /* vertical subsample */ #define SCORE_CHROMA_H_LOSS 32 /* horizontal subsample */ #define SCORE_PALETTE_LOSS 64 /* convert to palette format */ #define SCORE_COLOR_LOSS 128 /* convert to GRAY */ #define COLORSPACE_MASK (GST_VIDEO_FORMAT_FLAG_YUV | \ GST_VIDEO_FORMAT_FLAG_RGB | GST_VIDEO_FORMAT_FLAG_GRAY) #define ALPHA_MASK (GST_VIDEO_FORMAT_FLAG_ALPHA) #define PALETTE_MASK (GST_VIDEO_FORMAT_FLAG_PALETTE) /* calculate how much loss a conversion would be */ static void score_value (GstBaseTransform * base, const GstVideoFormatInfo * in_info, const GValue * val, gint * min_loss, const GstVideoFormatInfo ** out_info) { const gchar *fname; const GstVideoFormatInfo *t_info; guint in_flags, t_flags; gint loss; fname = g_value_get_string (val); t_info = gst_video_format_get_info (gst_video_format_from_string (fname)); if (!t_info || t_info->format == GST_VIDEO_FORMAT_UNKNOWN) return; /* accept input format immediately without loss */ if (in_info == t_info) { *min_loss = 0; *out_info = t_info; return; } loss = SCORE_FORMAT_CHANGE; in_flags = GST_VIDEO_FORMAT_INFO_FLAGS (in_info); in_flags &= ~GST_VIDEO_FORMAT_FLAG_LE; in_flags &= ~GST_VIDEO_FORMAT_FLAG_COMPLEX; in_flags &= ~GST_VIDEO_FORMAT_FLAG_UNPACK; t_flags = GST_VIDEO_FORMAT_INFO_FLAGS (t_info); t_flags &= ~GST_VIDEO_FORMAT_FLAG_LE; t_flags &= ~GST_VIDEO_FORMAT_FLAG_COMPLEX; t_flags &= ~GST_VIDEO_FORMAT_FLAG_UNPACK; if ((t_flags & PALETTE_MASK) != (in_flags & PALETTE_MASK)) { loss += SCORE_PALETTE_CHANGE; if (t_flags & PALETTE_MASK) loss += SCORE_PALETTE_LOSS; } if ((t_flags & COLORSPACE_MASK) != (in_flags & COLORSPACE_MASK)) { loss += SCORE_COLORSPACE_LOSS; if (t_flags & GST_VIDEO_FORMAT_FLAG_GRAY) loss += SCORE_COLOR_LOSS; } if ((t_flags & ALPHA_MASK) != (in_flags & ALPHA_MASK)) { loss += SCORE_ALPHA_CHANGE; if (in_flags & ALPHA_MASK) loss += SCORE_ALPHA_LOSS; } if ((in_info->h_sub[1]) != (t_info->h_sub[1])) { loss += SCORE_CHROMA_H_CHANGE; if ((in_info->h_sub[1]) < (t_info->h_sub[1])) loss += SCORE_CHROMA_H_LOSS; } if ((in_info->w_sub[1]) != (t_info->w_sub[1])) { loss += SCORE_CHROMA_W_CHANGE; if ((in_info->w_sub[1]) < (t_info->w_sub[1])) loss += SCORE_CHROMA_W_LOSS; } if ((in_info->bits) != (t_info->bits)) { loss += SCORE_DEPTH_CHANGE; if ((in_info->bits) > (t_info->bits)) loss += SCORE_DEPTH_LOSS + (in_info->bits - t_info->bits); } GST_DEBUG_OBJECT (base, "score %s -> %s = %d", GST_VIDEO_FORMAT_INFO_NAME (in_info), GST_VIDEO_FORMAT_INFO_NAME (t_info), loss); if (loss < *min_loss) { GST_DEBUG_OBJECT (base, "found new best %d", loss); *out_info = t_info; *min_loss = loss; } } static void gst_cuda_base_convert_fixate_format (GstBaseTransform * trans, GstCaps * caps, GstCaps * result) { GstStructure *ins, *outs; const gchar *in_format; const GstVideoFormatInfo *in_info, *out_info = NULL; gint min_loss = G_MAXINT; guint i, capslen; ins = gst_caps_get_structure (caps, 0); in_format = gst_structure_get_string (ins, "format"); if (!in_format) { return; } GST_DEBUG_OBJECT (trans, "source format %s", in_format); in_info = gst_video_format_get_info (gst_video_format_from_string (in_format)); if (!in_info) return; outs = gst_caps_get_structure (result, 0); capslen = gst_caps_get_size (result); GST_DEBUG ("iterate %d structures", capslen); for (i = 0; i < capslen; i++) { GstStructure *tests; const GValue *format; tests = gst_caps_get_structure (result, i); format = gst_structure_get_value (tests, "format"); /* should not happen */ if (format == NULL) continue; if (GST_VALUE_HOLDS_LIST (format)) { gint j, len; len = gst_value_list_get_size (format); GST_DEBUG_OBJECT (trans, "have %d formats", len); for (j = 0; j < len; j++) { const GValue *val; val = gst_value_list_get_value (format, j); if (G_VALUE_HOLDS_STRING (val)) { score_value (trans, in_info, val, &min_loss, &out_info); if (min_loss == 0) break; } } } else if (G_VALUE_HOLDS_STRING (format)) { score_value (trans, in_info, format, &min_loss, &out_info); } } if (out_info) gst_structure_set (outs, "format", G_TYPE_STRING, GST_VIDEO_FORMAT_INFO_NAME (out_info), NULL); } static gboolean subsampling_unchanged (GstVideoInfo * in_info, GstVideoInfo * out_info) { guint i; const GstVideoFormatInfo *in_format, *out_format; if (GST_VIDEO_INFO_N_COMPONENTS (in_info) != GST_VIDEO_INFO_N_COMPONENTS (out_info)) return FALSE; in_format = in_info->finfo; out_format = out_info->finfo; for (i = 0; i < GST_VIDEO_INFO_N_COMPONENTS (in_info); i++) { if (GST_VIDEO_FORMAT_INFO_W_SUB (in_format, i) != GST_VIDEO_FORMAT_INFO_W_SUB (out_format, i)) return FALSE; if (GST_VIDEO_FORMAT_INFO_H_SUB (in_format, i) != GST_VIDEO_FORMAT_INFO_H_SUB (out_format, i)) return FALSE; } return TRUE; } static void transfer_colorimetry_from_input (GstBaseTransform * trans, GstCaps * in_caps, GstCaps * out_caps) { GstStructure *out_caps_s = gst_caps_get_structure (out_caps, 0); GstStructure *in_caps_s = gst_caps_get_structure (in_caps, 0); gboolean have_colorimetry = gst_structure_has_field (out_caps_s, "colorimetry"); gboolean have_chroma_site = gst_structure_has_field (out_caps_s, "chroma-site"); /* If the output already has colorimetry and chroma-site, stop, * otherwise try and transfer what we can from the input caps */ if (have_colorimetry && have_chroma_site) return; { GstVideoInfo in_info, out_info; const GValue *in_colorimetry = gst_structure_get_value (in_caps_s, "colorimetry"); if (!gst_video_info_from_caps (&in_info, in_caps)) { GST_WARNING_OBJECT (trans, "Failed to convert sink pad caps to video info"); return; } if (!gst_video_info_from_caps (&out_info, out_caps)) { GST_WARNING_OBJECT (trans, "Failed to convert src pad caps to video info"); return; } if (!have_colorimetry && in_colorimetry != NULL) { if ((GST_VIDEO_INFO_IS_YUV (&out_info) && GST_VIDEO_INFO_IS_YUV (&in_info)) || (GST_VIDEO_INFO_IS_RGB (&out_info) && GST_VIDEO_INFO_IS_RGB (&in_info)) || (GST_VIDEO_INFO_IS_GRAY (&out_info) && GST_VIDEO_INFO_IS_GRAY (&in_info))) { /* Can transfer the colorimetry intact from the input if it has it */ gst_structure_set_value (out_caps_s, "colorimetry", in_colorimetry); } else { gchar *colorimetry_str; /* Changing between YUV/RGB - forward primaries and transfer function, but use * default range and matrix. * the primaries is used for conversion between RGB and XYZ (CIE 1931 coordinate). * the transfer function could be another reference (e.g., HDR) */ out_info.colorimetry.primaries = in_info.colorimetry.primaries; out_info.colorimetry.transfer = in_info.colorimetry.transfer; colorimetry_str = gst_video_colorimetry_to_string (&out_info.colorimetry); gst_caps_set_simple (out_caps, "colorimetry", G_TYPE_STRING, colorimetry_str, NULL); g_free (colorimetry_str); } } /* Only YUV output needs chroma-site. If the input was also YUV and had the same chroma * subsampling, transfer the siting. If the sub-sampling is changing, then the planes get * scaled anyway so there's no real reason to prefer the input siting. */ if (!have_chroma_site && GST_VIDEO_INFO_IS_YUV (&out_info)) { if (GST_VIDEO_INFO_IS_YUV (&in_info)) { const GValue *in_chroma_site = gst_structure_get_value (in_caps_s, "chroma-site"); if (in_chroma_site != NULL && subsampling_unchanged (&in_info, &out_info)) gst_structure_set_value (out_caps_s, "chroma-site", in_chroma_site); } } } } static GstCaps * gst_cuda_base_convert_get_fixed_format (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps) { GstCaps *result; result = gst_caps_intersect (othercaps, caps); if (gst_caps_is_empty (result)) { gst_caps_unref (result); result = gst_caps_copy (othercaps); } gst_cuda_base_convert_fixate_format (trans, caps, result); /* fixate remaining fields */ result = gst_caps_fixate (result); if (direction == GST_PAD_SINK) { if (gst_caps_is_subset (caps, result)) { gst_caps_replace (&result, caps); } else { /* Try and preserve input colorimetry / chroma information */ transfer_colorimetry_from_input (trans, caps, result); } } return result; } static GstCaps * gst_cuda_base_convert_fixate_size (GstBaseTransform * base, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps) { GstCudaBaseConvert *self = GST_CUDA_BASE_CONVERT (base); GstStructure *ins, *outs; const GValue *from_par, *to_par; GValue fpar = G_VALUE_INIT, tpar = G_VALUE_INIT; gboolean rotate = FALSE; othercaps = gst_caps_truncate (othercaps); othercaps = gst_caps_make_writable (othercaps); ins = gst_caps_get_structure (caps, 0); outs = gst_caps_get_structure (othercaps, 0); from_par = gst_structure_get_value (ins, "pixel-aspect-ratio"); to_par = gst_structure_get_value (outs, "pixel-aspect-ratio"); g_mutex_lock (&self->lock); switch (self->selected_method) { case GST_VIDEO_ORIENTATION_90R: case GST_VIDEO_ORIENTATION_90L: case GST_VIDEO_ORIENTATION_UL_LR: case GST_VIDEO_ORIENTATION_UR_LL: rotate = TRUE; break; default: rotate = FALSE; break; } if (direction == GST_PAD_SINK) { if (!from_par) { g_value_init (&fpar, GST_TYPE_FRACTION); gst_value_set_fraction (&fpar, 1, 1); from_par = &fpar; } if (!to_par) { g_value_init (&tpar, GST_TYPE_FRACTION_RANGE); gst_value_set_fraction_range_full (&tpar, 1, G_MAXINT, G_MAXINT, 1); to_par = &tpar; } } else { gint from_par_n, from_par_d; if (!from_par) { g_value_init (&fpar, GST_TYPE_FRACTION); gst_value_set_fraction (&fpar, 1, 1); from_par = &fpar; from_par_n = from_par_d = 1; } else { from_par_n = gst_value_get_fraction_numerator (from_par); from_par_d = gst_value_get_fraction_denominator (from_par); } if (!to_par) { gint to_par_n, to_par_d; if (rotate) { to_par_n = from_par_n; to_par_d = from_par_d; } else { to_par_n = from_par_n; to_par_d = from_par_d; } g_value_init (&tpar, GST_TYPE_FRACTION); gst_value_set_fraction (&tpar, to_par_n, to_par_d); to_par = &tpar; gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION, to_par_n, to_par_d, NULL); } } /* we have both PAR but they might not be fixated */ { gint from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d; gint w = 0, h = 0; gint from_dar_n, from_dar_d; gint num, den; /* from_par should be fixed */ g_return_val_if_fail (gst_value_is_fixed (from_par), othercaps); from_par_n = gst_value_get_fraction_numerator (from_par); from_par_d = gst_value_get_fraction_denominator (from_par); gst_structure_get_int (ins, "width", &from_w); gst_structure_get_int (ins, "height", &from_h); gst_structure_get_int (outs, "width", &w); gst_structure_get_int (outs, "height", &h); /* swap dimensions when it's rotated */ if (rotate) { gint _tmp = from_w; from_w = from_h; from_h = _tmp; _tmp = from_par_n; from_par_n = from_par_d; from_par_d = _tmp; } /* if both width and height are already fixed, we can't do anything * about it anymore */ if (w && h) { guint n, d; GST_DEBUG_OBJECT (base, "dimensions already set to %dx%d, not fixating", w, h); if (!gst_value_is_fixed (to_par)) { if (gst_video_calculate_display_ratio (&n, &d, from_w, from_h, from_par_n, from_par_d, w, h)) { GST_DEBUG_OBJECT (base, "fixating to_par to %dx%d", n, d); if (gst_structure_has_field (outs, "pixel-aspect-ratio")) gst_structure_fixate_field_nearest_fraction (outs, "pixel-aspect-ratio", n, d); else if (n != d) gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION, n, d, NULL); } } goto done; } /* Calculate input DAR */ if (!gst_util_fraction_multiply (from_w, from_h, from_par_n, from_par_d, &from_dar_n, &from_dar_d)) { GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL), ("Error calculating the output scaled size - integer overflow")); goto done; } GST_DEBUG_OBJECT (base, "Input DAR is %d/%d", from_dar_n, from_dar_d); /* If either width or height are fixed there's not much we * can do either except choosing a height or width and PAR * that matches the DAR as good as possible */ if (h) { GstStructure *tmp; gint set_w, set_par_n, set_par_d; GST_DEBUG_OBJECT (base, "height is fixed (%d)", h); /* If the PAR is fixed too, there's not much to do * except choosing the width that is nearest to the * width with the same DAR */ if (gst_value_is_fixed (to_par)) { to_par_n = gst_value_get_fraction_numerator (to_par); to_par_d = gst_value_get_fraction_denominator (to_par); GST_DEBUG_OBJECT (base, "PAR is fixed %d/%d", to_par_n, to_par_d); if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d, to_par_n, &num, &den)) { GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL), ("Error calculating the output scaled size - integer overflow")); goto done; } w = (guint) gst_util_uint64_scale_int_round (h, num, den); gst_structure_fixate_field_nearest_int (outs, "width", w); goto done; } /* The PAR is not fixed and it's quite likely that we can set * an arbitrary PAR. */ /* Check if we can keep the input width */ tmp = gst_structure_copy (outs); gst_structure_fixate_field_nearest_int (tmp, "width", from_w); gst_structure_get_int (tmp, "width", &set_w); /* Might have failed but try to keep the DAR nonetheless by * adjusting the PAR */ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, h, set_w, &to_par_n, &to_par_d)) { GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL), ("Error calculating the output scaled size - integer overflow")); gst_structure_free (tmp); goto done; } if (!gst_structure_has_field (tmp, "pixel-aspect-ratio")) gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par); gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio", to_par_n, to_par_d); gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n, &set_par_d); gst_structure_free (tmp); /* Check if the adjusted PAR is accepted */ if (set_par_n == to_par_n && set_par_d == to_par_d) { if (gst_structure_has_field (outs, "pixel-aspect-ratio") || set_par_n != set_par_d) gst_structure_set (outs, "width", G_TYPE_INT, set_w, "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d, NULL); goto done; } /* Otherwise scale the width to the new PAR and check if the * adjusted with is accepted. If all that fails we can't keep * the DAR */ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d, set_par_n, &num, &den)) { GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL), ("Error calculating the output scaled size - integer overflow")); goto done; } w = (guint) gst_util_uint64_scale_int_round (h, num, den); gst_structure_fixate_field_nearest_int (outs, "width", w); if (gst_structure_has_field (outs, "pixel-aspect-ratio") || set_par_n != set_par_d) gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d, NULL); goto done; } else if (w) { GstStructure *tmp; gint set_h, set_par_n, set_par_d; GST_DEBUG_OBJECT (base, "width is fixed (%d)", w); /* If the PAR is fixed too, there's not much to do * except choosing the height that is nearest to the * height with the same DAR */ if (gst_value_is_fixed (to_par)) { to_par_n = gst_value_get_fraction_numerator (to_par); to_par_d = gst_value_get_fraction_denominator (to_par); GST_DEBUG_OBJECT (base, "PAR is fixed %d/%d", to_par_n, to_par_d); if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d, to_par_n, &num, &den)) { GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL), ("Error calculating the output scaled size - integer overflow")); goto done; } h = (guint) gst_util_uint64_scale_int_round (w, den, num); gst_structure_fixate_field_nearest_int (outs, "height", h); goto done; } /* The PAR is not fixed and it's quite likely that we can set * an arbitrary PAR. */ /* Check if we can keep the input height */ tmp = gst_structure_copy (outs); gst_structure_fixate_field_nearest_int (tmp, "height", from_h); gst_structure_get_int (tmp, "height", &set_h); /* Might have failed but try to keep the DAR nonetheless by * adjusting the PAR */ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, w, &to_par_n, &to_par_d)) { GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL), ("Error calculating the output scaled size - integer overflow")); gst_structure_free (tmp); goto done; } if (!gst_structure_has_field (tmp, "pixel-aspect-ratio")) gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par); gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio", to_par_n, to_par_d); gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n, &set_par_d); gst_structure_free (tmp); /* Check if the adjusted PAR is accepted */ if (set_par_n == to_par_n && set_par_d == to_par_d) { if (gst_structure_has_field (outs, "pixel-aspect-ratio") || set_par_n != set_par_d) gst_structure_set (outs, "height", G_TYPE_INT, set_h, "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d, NULL); goto done; } /* Otherwise scale the height to the new PAR and check if the * adjusted with is accepted. If all that fails we can't keep * the DAR */ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d, set_par_n, &num, &den)) { GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL), ("Error calculating the output scale sized - integer overflow")); goto done; } h = (guint) gst_util_uint64_scale_int_round (w, den, num); gst_structure_fixate_field_nearest_int (outs, "height", h); if (gst_structure_has_field (outs, "pixel-aspect-ratio") || set_par_n != set_par_d) gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d, NULL); goto done; } else if (gst_value_is_fixed (to_par)) { GstStructure *tmp; gint set_h, set_w, f_h, f_w; to_par_n = gst_value_get_fraction_numerator (to_par); to_par_d = gst_value_get_fraction_denominator (to_par); /* Calculate scale factor for the PAR change */ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_n, to_par_d, &num, &den)) { GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL), ("Error calculating the output scaled size - integer overflow")); goto done; } /* Try to keep the input height (because of interlacing) */ tmp = gst_structure_copy (outs); gst_structure_fixate_field_nearest_int (tmp, "height", from_h); gst_structure_get_int (tmp, "height", &set_h); /* This might have failed but try to scale the width * to keep the DAR nonetheless */ w = (guint) gst_util_uint64_scale_int_round (set_h, num, den); gst_structure_fixate_field_nearest_int (tmp, "width", w); gst_structure_get_int (tmp, "width", &set_w); gst_structure_free (tmp); /* We kept the DAR and the height is nearest to the original height */ if (set_w == w) { gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height", G_TYPE_INT, set_h, NULL); goto done; } f_h = set_h; f_w = set_w; /* If the former failed, try to keep the input width at least */ tmp = gst_structure_copy (outs); gst_structure_fixate_field_nearest_int (tmp, "width", from_w); gst_structure_get_int (tmp, "width", &set_w); /* This might have failed but try to scale the width * to keep the DAR nonetheless */ h = (guint) gst_util_uint64_scale_int_round (set_w, den, num); gst_structure_fixate_field_nearest_int (tmp, "height", h); gst_structure_get_int (tmp, "height", &set_h); gst_structure_free (tmp); /* We kept the DAR and the width is nearest to the original width */ if (set_h == h) { gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height", G_TYPE_INT, set_h, NULL); goto done; } /* If all this failed, keep the dimensions with the DAR that was closest * to the correct DAR. This changes the DAR but there's not much else to * do here. */ if (set_w * ABS (set_h - h) < ABS (f_w - w) * f_h) { f_h = set_h; f_w = set_w; } gst_structure_set (outs, "width", G_TYPE_INT, f_w, "height", G_TYPE_INT, f_h, NULL); goto done; } else { GstStructure *tmp; gint set_h, set_w, set_par_n, set_par_d, tmp2; /* width, height and PAR are not fixed but passthrough is not possible */ /* First try to keep the height and width as good as possible * and scale PAR */ tmp = gst_structure_copy (outs); gst_structure_fixate_field_nearest_int (tmp, "height", from_h); gst_structure_get_int (tmp, "height", &set_h); gst_structure_fixate_field_nearest_int (tmp, "width", from_w); gst_structure_get_int (tmp, "width", &set_w); if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, set_w, &to_par_n, &to_par_d)) { GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL), ("Error calculating the output scaled size - integer overflow")); gst_structure_free (tmp); goto done; } if (!gst_structure_has_field (tmp, "pixel-aspect-ratio")) gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par); gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio", to_par_n, to_par_d); gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n, &set_par_d); gst_structure_free (tmp); if (set_par_n == to_par_n && set_par_d == to_par_d) { gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height", G_TYPE_INT, set_h, NULL); if (gst_structure_has_field (outs, "pixel-aspect-ratio") || set_par_n != set_par_d) gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d, NULL); goto done; } /* Otherwise try to scale width to keep the DAR with the set * PAR and height */ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d, set_par_n, &num, &den)) { GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL), ("Error calculating the output scaled size - integer overflow")); goto done; } w = (guint) gst_util_uint64_scale_int_round (set_h, num, den); tmp = gst_structure_copy (outs); gst_structure_fixate_field_nearest_int (tmp, "width", w); gst_structure_get_int (tmp, "width", &tmp2); gst_structure_free (tmp); if (tmp2 == w) { gst_structure_set (outs, "width", G_TYPE_INT, tmp2, "height", G_TYPE_INT, set_h, NULL); if (gst_structure_has_field (outs, "pixel-aspect-ratio") || set_par_n != set_par_d) gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d, NULL); goto done; } /* ... or try the same with the height */ h = (guint) gst_util_uint64_scale_int_round (set_w, den, num); tmp = gst_structure_copy (outs); gst_structure_fixate_field_nearest_int (tmp, "height", h); gst_structure_get_int (tmp, "height", &tmp2); gst_structure_free (tmp); if (tmp2 == h) { gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height", G_TYPE_INT, tmp2, NULL); if (gst_structure_has_field (outs, "pixel-aspect-ratio") || set_par_n != set_par_d) gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d, NULL); goto done; } /* If all fails we can't keep the DAR and take the nearest values * for everything from the first try */ gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height", G_TYPE_INT, set_h, NULL); if (gst_structure_has_field (outs, "pixel-aspect-ratio") || set_par_n != set_par_d) gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d, NULL); } } done: if (from_par == &fpar) g_value_unset (&fpar); if (to_par == &tpar) g_value_unset (&tpar); g_mutex_unlock (&self->lock); return othercaps; } static GstCaps * gst_cuda_base_convert_fixate_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps) { GstCaps *format = NULL; GST_DEBUG_OBJECT (trans, "trying to fixate othercaps %" GST_PTR_FORMAT " based on caps %" GST_PTR_FORMAT, othercaps, caps); format = gst_cuda_base_convert_get_fixed_format (trans, direction, caps, othercaps); if (gst_caps_is_empty (format)) { GST_ERROR_OBJECT (trans, "Could not convert formats"); return format; } /* convert mode is "all" or "size" here */ othercaps = gst_cuda_base_convert_fixate_size (trans, direction, caps, othercaps); if (gst_caps_get_size (othercaps) == 1) { guint i; const gchar *format_fields[] = { "format", "colorimetry", "chroma-site" }; GstStructure *format_struct = gst_caps_get_structure (format, 0); GstStructure *fixated_struct; othercaps = gst_caps_make_writable (othercaps); fixated_struct = gst_caps_get_structure (othercaps, 0); for (i = 0; i < G_N_ELEMENTS (format_fields); i++) { if (gst_structure_has_field (format_struct, format_fields[i])) { gst_structure_set (fixated_struct, format_fields[i], G_TYPE_STRING, gst_structure_get_string (format_struct, format_fields[i]), NULL); } else { gst_structure_remove_field (fixated_struct, format_fields[i]); } } } gst_caps_unref (format); GST_DEBUG_OBJECT (trans, "fixated othercaps to %" GST_PTR_FORMAT, othercaps); return othercaps; } static gboolean gst_cuda_base_convert_propose_allocation (GstBaseTransform * trans, GstQuery * decide_query, GstQuery * query) { GstCudaBaseConvert *self = GST_CUDA_BASE_CONVERT (trans); GstCudaBaseTransform *ctrans = GST_CUDA_BASE_TRANSFORM (trans); GstVideoInfo info; GstBufferPool *pool; GstCaps *caps; guint size; if (!GST_BASE_TRANSFORM_CLASS (parent_class)->propose_allocation (trans, decide_query, query)) return FALSE; if (self->same_caps && gst_pad_peer_query (trans->srcpad, query)) { gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL); gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE, NULL); return TRUE; } gst_query_parse_allocation (query, &caps, NULL); if (caps == NULL) return FALSE; if (!gst_video_info_from_caps (&info, caps)) return FALSE; if (gst_query_get_n_allocation_pools (query) == 0) { GstStructure *config; pool = gst_cuda_buffer_pool_new (ctrans->context); config = gst_buffer_pool_get_config (pool); /* Forward downstream CUDA stream to upstream */ if (self->other_stream) { GST_DEBUG_OBJECT (self, "Have downstream CUDA stream, forwarding"); gst_buffer_pool_config_set_cuda_stream (config, self->other_stream); } else if (ctrans->stream) { GST_DEBUG_OBJECT (self, "Set our stream to proposing buffer pool"); gst_buffer_pool_config_set_cuda_stream (config, ctrans->stream); } gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META); size = GST_VIDEO_INFO_SIZE (&info); gst_buffer_pool_config_set_params (config, caps, size, 0, 0); if (!gst_buffer_pool_set_config (pool, config)) { GST_ERROR_OBJECT (ctrans, "failed to set config"); gst_object_unref (pool); return FALSE; } /* Get updated size by cuda buffer pool */ config = gst_buffer_pool_get_config (pool); gst_buffer_pool_config_get_params (config, NULL, &size, NULL, NULL); gst_structure_free (config); gst_query_add_allocation_pool (query, pool, size, 0, 0); gst_object_unref (pool); } gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL); gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE, NULL); return TRUE; } static gboolean gst_cuda_base_convert_decide_allocation (GstBaseTransform * trans, GstQuery * query) { GstCudaBaseConvert *self = GST_CUDA_BASE_CONVERT (trans); GstCudaBaseTransform *ctrans = GST_CUDA_BASE_TRANSFORM (trans); GstCaps *outcaps = NULL; GstBufferPool *pool = NULL; guint size, min, max; GstStructure *config; gboolean update_pool = FALSE; gst_query_parse_allocation (query, &outcaps, NULL); if (!outcaps) return FALSE; self->downstream_supports_crop_meta = gst_query_find_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE, NULL); GST_DEBUG_OBJECT (self, "Downstream crop meta support: %d", self->downstream_supports_crop_meta); if (gst_query_get_n_allocation_pools (query) > 0) { gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max); if (pool) { if (!GST_IS_CUDA_BUFFER_POOL (pool)) { gst_clear_object (&pool); } else { GstCudaBufferPool *cpool = GST_CUDA_BUFFER_POOL (pool); if (cpool->context != ctrans->context) { gst_clear_object (&pool); } } } update_pool = TRUE; } else { GstVideoInfo vinfo; gst_video_info_from_caps (&vinfo, outcaps); size = GST_VIDEO_INFO_SIZE (&vinfo); min = max = 0; } if (!pool) { GST_DEBUG_OBJECT (ctrans, "create our pool"); pool = gst_cuda_buffer_pool_new (ctrans->context); } config = gst_buffer_pool_get_config (pool); gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META); gst_buffer_pool_config_set_params (config, outcaps, size, min, max); gst_clear_cuda_stream (&self->other_stream); self->other_stream = gst_buffer_pool_config_get_cuda_stream (config); if (self->other_stream) { GST_DEBUG_OBJECT (self, "Downstream provided CUDA stream"); } else if (ctrans->stream) { GST_DEBUG_OBJECT (self, "Set our stream to decided buffer pool"); gst_buffer_pool_config_set_cuda_stream (config, ctrans->stream); } gst_buffer_pool_set_config (pool, config); /* Get updated size by cuda buffer pool */ config = gst_buffer_pool_get_config (pool); gst_buffer_pool_config_get_params (config, NULL, &size, NULL, NULL); gst_structure_free (config); if (update_pool) gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max); else gst_query_add_allocation_pool (query, pool, size, min, max); gst_object_unref (pool); return GST_BASE_TRANSFORM_CLASS (parent_class)->decide_allocation (trans, query); } static gboolean needs_color_convert (const GstVideoInfo * in_info, const GstVideoInfo * out_info) { const GstVideoColorimetry *in_cinfo = &in_info->colorimetry; const GstVideoColorimetry *out_cinfo = &out_info->colorimetry; if (in_cinfo->range != out_cinfo->range || in_cinfo->matrix != out_cinfo->matrix) { return TRUE; } if (!gst_video_color_primaries_is_equivalent (in_cinfo->primaries, out_cinfo->primaries)) { return TRUE; } if (!gst_video_transfer_function_is_equivalent (in_cinfo->transfer, GST_VIDEO_INFO_COMP_DEPTH (in_info, 0), out_cinfo->transfer, GST_VIDEO_INFO_COMP_DEPTH (out_info, 0))) { return TRUE; } return FALSE; } static gboolean gst_cuda_base_convert_set_info (GstCudaBaseTransform * btrans, GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) { GstCudaBaseConvert *self = GST_CUDA_BASE_CONVERT (btrans); gint from_dar_n, from_dar_d, to_dar_n, to_dar_d; gboolean need_flip = FALSE; gint in_width, in_height, in_par_n, in_par_d; GstVideoOrientationMethod active_method; gst_clear_object (&self->converter); g_mutex_lock (&self->lock); active_method = self->active_method = self->selected_method; g_mutex_unlock (&self->lock); if (active_method != GST_VIDEO_ORIENTATION_IDENTITY) need_flip = TRUE; if (!need_flip && gst_caps_is_equal (incaps, outcaps)) { self->same_caps = TRUE; } else { self->same_caps = FALSE; } switch (active_method) { case GST_VIDEO_ORIENTATION_90R: case GST_VIDEO_ORIENTATION_90L: case GST_VIDEO_ORIENTATION_UL_LR: case GST_VIDEO_ORIENTATION_UR_LL: in_width = in_info->height; in_height = in_info->width; in_par_n = in_info->par_d; in_par_d = in_info->par_n; break; default: in_width = in_info->width; in_height = in_info->height; in_par_n = in_info->par_n; in_par_d = in_info->par_d; break; } if (!gst_util_fraction_multiply (in_width, in_height, in_par_n, in_par_d, &from_dar_n, &from_dar_d)) { from_dar_n = from_dar_d = -1; } if (!gst_util_fraction_multiply (out_info->width, out_info->height, out_info->par_n, out_info->par_d, &to_dar_n, &to_dar_d)) { to_dar_n = to_dar_d = -1; } self->borders_w = self->borders_h = 0; if (to_dar_n != from_dar_n || to_dar_d != from_dar_d) { if (self->add_borders) { gint n, d, to_h, to_w; if (from_dar_n != -1 && from_dar_d != -1 && gst_util_fraction_multiply (from_dar_n, from_dar_d, out_info->par_d, out_info->par_n, &n, &d)) { to_h = gst_util_uint64_scale_int (out_info->width, d, n); if (to_h <= out_info->height) { self->borders_h = out_info->height - to_h; self->borders_w = 0; } else { to_w = gst_util_uint64_scale_int (out_info->height, n, d); g_assert (to_w <= out_info->width); self->borders_h = 0; self->borders_w = out_info->width - to_w; } } else { GST_WARNING_OBJECT (self, "Can't calculate borders"); } } else { GST_DEBUG_OBJECT (self, "Can't keep DAR!"); } } /* if present, these must match */ if (in_info->interlace_mode != out_info->interlace_mode) { GST_ERROR_OBJECT (self, "input and output formats do not match"); return FALSE; } if (in_width == out_info->width && in_height == out_info->height && in_info->finfo == out_info->finfo && self->borders_w == 0 && self->borders_h == 0 && !need_flip && !needs_color_convert (in_info, out_info)) { self->same_caps = TRUE; } self->converter = gst_cuda_converter_new (in_info, out_info, btrans->context, NULL); if (!self->converter) { GST_ERROR_OBJECT (self, "Couldn't create converter"); return FALSE; } g_object_set (self->converter, "dest-x", self->borders_w / 2, "dest-y", self->borders_h / 2, "dest-width", out_info->width - self->borders_w, "dest-height", out_info->height - self->borders_h, "fill-border", TRUE, "video-direction", active_method, NULL); GST_DEBUG_OBJECT (self, "%s from=%dx%d (par=%d/%d dar=%d/%d), size %" G_GSIZE_FORMAT " -> %s to=%dx%d (par=%d/%d dar=%d/%d borders=%d:%d), " "size %" G_GSIZE_FORMAT, gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (in_info)), in_info->width, in_info->height, in_info->par_n, in_info->par_d, from_dar_n, from_dar_d, in_info->size, gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (out_info)), out_info->width, out_info->height, out_info->par_n, out_info->par_d, to_dar_n, to_dar_d, self->borders_w, self->borders_h, out_info->size); self->in_rect.x = 0; self->in_rect.y = 0; self->in_rect.w = in_info->width; self->in_rect.h = in_info->height; return TRUE; } static gboolean gst_cuda_base_convert_transform_meta (GstBaseTransform * trans, GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf) { if (meta->info->api == GST_VIDEO_CROP_META_API_TYPE) return FALSE; return GST_BASE_TRANSFORM_CLASS (parent_class)->transform_meta (trans, outbuf, meta, inbuf); } static GstFlowReturn gst_cuda_base_convert_transform (GstBaseTransform * trans, GstBuffer * inbuf, GstBuffer * outbuf) { GstCudaBaseConvert *self = GST_CUDA_BASE_CONVERT (trans); GstCudaBaseTransform *btrans = GST_CUDA_BASE_TRANSFORM (trans); GstVideoFrame in_frame, out_frame; GstFlowReturn ret = GST_FLOW_OK; GstMemory *mem; GstCudaMemory *in_cmem, *out_cmem; GstCudaStream *in_stream, *out_stream; GstCudaStream *selected_stream = NULL; gboolean sync_done = FALSE; GstVideoRectangle in_rect; GstVideoCropMeta *crop_meta = gst_buffer_get_video_crop_meta (inbuf); if (crop_meta) { in_rect.x = crop_meta->x; in_rect.y = crop_meta->y; in_rect.w = crop_meta->width; in_rect.h = crop_meta->height; } else { in_rect = self->in_rect; } g_object_set (self->converter, "src-x", in_rect.x, "src-y", in_rect.y, "src-width", in_rect.w, "src-height", in_rect.h, NULL); if (gst_buffer_n_memory (inbuf) != 1) { GST_ERROR_OBJECT (self, "Invalid input buffer"); return GST_FLOW_ERROR; } mem = gst_buffer_peek_memory (inbuf, 0); if (!gst_is_cuda_memory (mem)) { GST_ERROR_OBJECT (self, "Input buffer is not CUDA"); return GST_FLOW_ERROR; } in_cmem = GST_CUDA_MEMORY_CAST (mem); in_stream = gst_cuda_memory_get_stream (in_cmem); if (gst_buffer_n_memory (outbuf) != 1) { GST_ERROR_OBJECT (self, "Invalid output buffer"); return GST_FLOW_ERROR; } mem = gst_buffer_peek_memory (outbuf, 0); if (!gst_is_cuda_memory (mem)) { GST_ERROR_OBJECT (self, "Input buffer is not CUDA"); return GST_FLOW_ERROR; } out_cmem = GST_CUDA_MEMORY_CAST (mem); out_stream = gst_cuda_memory_get_stream (out_cmem); if (!gst_video_frame_map (&in_frame, &btrans->in_info, inbuf, GST_MAP_READ | GST_MAP_CUDA)) { GST_ERROR_OBJECT (self, "Failed to map input buffer"); return GST_FLOW_ERROR; } if (!gst_video_frame_map (&out_frame, &btrans->out_info, outbuf, GST_MAP_WRITE | GST_MAP_CUDA)) { gst_video_frame_unmap (&in_frame); GST_ERROR_OBJECT (self, "Failed to map output buffer"); return GST_FLOW_ERROR; } /* If downstream does not aware of CUDA stream (i.e., using default stream) */ if (!out_stream) { if (in_stream) { GST_TRACE_OBJECT (self, "Use upstram CUDA stream"); selected_stream = in_stream; } else if (btrans->stream) { GST_TRACE_OBJECT (self, "Use our CUDA stream"); selected_stream = btrans->stream; } } else { selected_stream = out_stream; if (in_stream) { if (in_stream == out_stream) { GST_TRACE_OBJECT (self, "Same stream"); } else { GST_TRACE_OBJECT (self, "Different CUDA stream"); gst_cuda_memory_sync (in_cmem); } } } if (!gst_cuda_converter_convert_frame (self->converter, &in_frame, &out_frame, gst_cuda_stream_get_handle (selected_stream), &sync_done)) { GST_ERROR_OBJECT (self, "Failed to convert frame"); ret = GST_FLOW_ERROR; } if (sync_done) { GST_TRACE_OBJECT (self, "Sync done by converter"); GST_MEMORY_FLAG_UNSET (out_cmem, GST_CUDA_MEMORY_TRANSFER_NEED_SYNC); } else if (selected_stream != out_stream) { GST_MEMORY_FLAG_UNSET (out_cmem, GST_CUDA_MEMORY_TRANSFER_NEED_SYNC); GST_TRACE_OBJECT (self, "Waiting for convert sync"); gst_cuda_context_push (btrans->context); CuStreamSynchronize (gst_cuda_stream_get_handle (selected_stream)); gst_cuda_context_pop (NULL); } gst_video_frame_unmap (&out_frame); gst_video_frame_unmap (&in_frame); return ret; } static GstFlowReturn gst_cuda_base_convert_generate_output (GstBaseTransform * trans, GstBuffer ** buffer) { GstCudaBaseConvert *self = GST_CUDA_BASE_CONVERT (trans); gboolean passthrough = self->same_caps; if (!trans->queued_buf) return GST_FLOW_OK; if (passthrough && !self->downstream_supports_crop_meta) { if (gst_buffer_get_video_crop_meta (trans->queued_buf)) { GST_LOG_OBJECT (self, "Buffer has crop meta but downstream does not support crop"); passthrough = FALSE; } } if (!passthrough) { return GST_BASE_TRANSFORM_CLASS (parent_class)->generate_output (trans, buffer); } *buffer = trans->queued_buf; trans->queued_buf = NULL; return GST_FLOW_OK; } static void gst_cuda_base_convert_set_add_border (GstCudaBaseConvert * self, gboolean add_border) { gboolean prev = self->add_borders; self->add_borders = add_border; if (prev != self->add_borders) gst_base_transform_reconfigure_src (GST_BASE_TRANSFORM_CAST (self)); } static void gst_cuda_base_convert_set_orientation (GstCudaBaseConvert * self, GstVideoOrientationMethod method, gboolean from_tag) { if (method == GST_VIDEO_ORIENTATION_CUSTOM) { GST_WARNING_OBJECT (self, "Unsupported custom orientation"); return; } g_mutex_lock (&self->lock); if (from_tag) self->tag_method = method; else self->method = method; if (self->method == GST_VIDEO_ORIENTATION_AUTO) { self->selected_method = self->tag_method; } else { self->selected_method = self->method; } if (self->selected_method != self->active_method) { GST_DEBUG_OBJECT (self, "Rotation orientation %d -> %d", self->active_method, self->selected_method); gst_base_transform_reconfigure_src (GST_BASE_TRANSFORM (self)); } g_mutex_unlock (&self->lock); } /** * SECTION:element-cudaconvertscale * @title: cudaconvertscale * @short_description: A CUDA based color conversion and video resizing element * * This element resizes video frames and change color space. * By default the element will try to negotiate to the same size on the source * and sinkpad so that no scaling is needed. * It is therefore safe to insert this element in a pipeline to * get more robust behaviour without any cost if no scaling is needed. * * ## Example launch line * ``` * gst-launch-1.0 videotestsrc ! cudaupload ! cudaconvertscale ! cudadownload ! autovideosink * ``` * * Since: 1.22 */ enum { PROP_CONVERT_SCALE_0, PROP_CONVERT_SCALE_ADD_BORDERS, PROP_CONVERT_SCALE_VIDEO_DIRECTION, }; struct _GstCudaConvertScale { GstCudaBaseConvert parent; }; static void gst_cuda_convert_scale_video_direction_interface_init (GstVideoDirectionInterface * iface) { } static void gst_cuda_convert_scale_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_cuda_convert_scale_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static gboolean gst_cuda_convert_scale_sink_event (GstBaseTransform * trans, GstEvent * event); #define gst_cuda_convert_scale_parent_class convert_scale_parent_class G_DEFINE_TYPE_WITH_CODE (GstCudaConvertScale, gst_cuda_convert_scale, GST_TYPE_CUDA_BASE_CONVERT, G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_DIRECTION, gst_cuda_convert_scale_video_direction_interface_init)); static void gst_cuda_convert_scale_before_transform (GstBaseTransform * trans, GstBuffer * buffer); static void gst_cuda_convert_scale_class_init (GstCudaConvertScaleClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstBaseTransformClass *transform_class = GST_BASE_TRANSFORM_CLASS (klass); gobject_class->set_property = gst_cuda_convert_scale_set_property; gobject_class->get_property = gst_cuda_convert_scale_get_property; g_object_class_install_property (gobject_class, PROP_CONVERT_SCALE_ADD_BORDERS, g_param_spec_boolean ("add-borders", "Add Borders", "Add borders if necessary to keep the display aspect ratio", DEFAULT_ADD_BORDERS, (GParamFlags) (GST_PARAM_MUTABLE_PLAYING | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); /** * GstCudaConvertScale:video-direction: * * Video rotation/flip method to use * * Since: 1.24 */ g_object_class_override_property (gobject_class, PROP_CONVERT_SCALE_VIDEO_DIRECTION, "video-direction"); gst_element_class_set_static_metadata (element_class, "CUDA colorspace converter and scaler", "Filter/Converter/Video/Scaler/Colorspace/Effect/Hardware", "Resizes video and allow color conversion using CUDA", "Seungha Yang "); transform_class->passthrough_on_same_caps = FALSE; transform_class->before_transform = GST_DEBUG_FUNCPTR (gst_cuda_convert_scale_before_transform); transform_class->sink_event = GST_DEBUG_FUNCPTR (gst_cuda_convert_scale_sink_event); } static void gst_cuda_convert_scale_init (GstCudaConvertScale * self) { } static void gst_cuda_convert_scale_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstCudaBaseConvert *base = GST_CUDA_BASE_CONVERT (object); switch (prop_id) { case PROP_CONVERT_SCALE_ADD_BORDERS: gst_cuda_base_convert_set_add_border (base, g_value_get_boolean (value)); break; case PROP_CONVERT_SCALE_VIDEO_DIRECTION: gst_cuda_base_convert_set_orientation (base, g_value_get_enum (value), FALSE); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_cuda_convert_scale_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstCudaBaseConvert *base = GST_CUDA_BASE_CONVERT (object); switch (prop_id) { case PROP_CONVERT_SCALE_ADD_BORDERS: g_value_set_boolean (value, base->add_borders); break; case PROP_CONVERT_SCALE_VIDEO_DIRECTION: g_value_set_enum (value, base->method); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_cuda_convert_scale_before_transform (GstBaseTransform * trans, GstBuffer * buffer) { GstCudaBaseConvert *base = GST_CUDA_BASE_CONVERT (trans); gboolean update = FALSE; GstCaps *in_caps; GstCaps *out_caps; GstBaseTransformClass *klass; GST_BASE_TRANSFORM_CLASS (convert_scale_parent_class)->before_transform (trans, buffer); g_mutex_lock (&base->lock); if (base->selected_method != base->active_method) update = TRUE; g_mutex_unlock (&base->lock); if (!update) return; /* basetransform wouldn't call set_caps if in/out caps were not changed. * Update it manually here */ GST_DEBUG_OBJECT (base, "Updating caps for direction change"); in_caps = gst_pad_get_current_caps (GST_BASE_TRANSFORM_SINK_PAD (trans)); if (!in_caps) { GST_WARNING_OBJECT (trans, "sinkpad has no current caps"); return; } out_caps = gst_pad_get_current_caps (GST_BASE_TRANSFORM_SRC_PAD (trans)); if (!out_caps) { GST_WARNING_OBJECT (trans, "srcpad has no current caps"); gst_caps_unref (in_caps); return; } klass = GST_BASE_TRANSFORM_GET_CLASS (trans); klass->set_caps (trans, in_caps, out_caps); gst_caps_unref (in_caps); gst_caps_unref (out_caps); gst_base_transform_reconfigure_src (trans); } static gboolean gst_cuda_convert_scale_sink_event (GstBaseTransform * trans, GstEvent * event) { GstCudaBaseConvert *base = GST_CUDA_BASE_CONVERT (trans); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_TAG:{ GstTagList *taglist; GstVideoOrientationMethod method = GST_VIDEO_ORIENTATION_IDENTITY; gst_event_parse_tag (event, &taglist); if (gst_video_orientation_from_tag (taglist, &method)) gst_cuda_base_convert_set_orientation (base, method, TRUE); break; } default: break; } return GST_BASE_TRANSFORM_CLASS (convert_scale_parent_class)->sink_event (trans, event); } /** * SECTION:element-cudaconvert * @title: cudaconvert * * Convert video frames between supported video formats. * * ## Example launch line * ``` * gst-launch-1.0 videotestsrc ! cudaupload ! cudaconvert ! cudadownload ! autovideosink * ``` * * Since: 1.20 */ struct _GstCudaConvert { GstCudaBaseConvert parent; }; static GstCaps *gst_cuda_convert_transform_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter); static GstCaps *gst_cuda_convert_fixate_caps (GstBaseTransform * base, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps); G_DEFINE_TYPE (GstCudaConvert, gst_cuda_convert, GST_TYPE_CUDA_BASE_CONVERT); static void gst_cuda_convert_class_init (GstCudaConvertClass * klass) { GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass); gst_element_class_set_static_metadata (element_class, "CUDA colorspace converter", "Filter/Converter/Video/Hardware", "Converts video from one colorspace to another using CUDA", "Seungha Yang "); trans_class->transform_caps = GST_DEBUG_FUNCPTR (gst_cuda_convert_transform_caps); trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_cuda_convert_fixate_caps); } static void gst_cuda_convert_init (GstCudaConvert * self) { } static GstCaps * gst_cuda_convert_transform_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter) { GstCaps *tmp, *tmp2; GstCaps *result; /* Get all possible caps that we can transform to */ tmp = gst_cuda_base_convert_caps_remove_format_info (caps); if (filter) { tmp2 = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST); gst_caps_unref (tmp); tmp = tmp2; } result = tmp; GST_DEBUG_OBJECT (trans, "transformed %" GST_PTR_FORMAT " into %" GST_PTR_FORMAT, caps, result); return result; } static GstCaps * gst_cuda_convert_fixate_caps (GstBaseTransform * base, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps) { GstCaps *format = NULL; GST_DEBUG_OBJECT (base, "trying to fixate othercaps %" GST_PTR_FORMAT " based on caps %" GST_PTR_FORMAT, othercaps, caps); format = gst_cuda_base_convert_get_fixed_format (base, direction, caps, othercaps); gst_caps_unref (othercaps); if (gst_caps_is_empty (format)) { GST_ERROR_OBJECT (base, "Could not convert formats"); } else { GST_DEBUG_OBJECT (base, "fixated othercaps to %" GST_PTR_FORMAT, format); } return format; } /** * SECTION:element-cudascale * @title: cudascale * * A CUDA based video resizing element * * ## Example launch line * ``` * gst-launch-1.0 videotestsrc ! video/x-raw,width=640,height=480 ! cudaupload ! cudascale ! cudadownload ! video/x-raw,width=1280,height=720 ! fakesink * ``` * This will upload a 640x480 resolution test video to CUDA * memory space and resize it to 1280x720 resolution. Then a resized CUDA * frame will be downloaded to system memory space. * * Since: 1.20 */ enum { PROP_SCALE_0, PROP_SCALE_ADD_BORDERS, }; struct _GstCudaScale { GstCudaBaseConvert parent; }; static void gst_cuda_scale_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_cuda_scale_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static GstCaps *gst_cuda_scale_transform_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter); static GstCaps *gst_cuda_scale_fixate_caps (GstBaseTransform * base, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps); G_DEFINE_TYPE (GstCudaScale, gst_cuda_scale, GST_TYPE_CUDA_BASE_CONVERT); static void gst_cuda_scale_class_init (GstCudaScaleClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass); gobject_class->set_property = gst_cuda_scale_set_property; gobject_class->get_property = gst_cuda_scale_get_property; /** * GstCudaScale:add-borders: * * Add borders if necessary to keep the display aspect ratio * * Since: 1.22 */ g_object_class_install_property (gobject_class, PROP_SCALE_ADD_BORDERS, g_param_spec_boolean ("add-borders", "Add Borders", "Add borders if necessary to keep the display aspect ratio", DEFAULT_ADD_BORDERS, (GParamFlags) (GST_PARAM_MUTABLE_PLAYING | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); gst_element_class_set_static_metadata (element_class, "CUDA video scaler", "Filter/Converter/Video/Scaler/Hardware", "Resize video using CUDA", "Seungha Yang "); trans_class->transform_caps = GST_DEBUG_FUNCPTR (gst_cuda_scale_transform_caps); trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_cuda_scale_fixate_caps); } static void gst_cuda_scale_init (GstCudaScale * self) { } static void gst_cuda_scale_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstCudaBaseConvert *base = GST_CUDA_BASE_CONVERT (object); switch (prop_id) { case PROP_SCALE_ADD_BORDERS: gst_cuda_base_convert_set_add_border (base, g_value_get_boolean (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_cuda_scale_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstCudaBaseConvert *base = GST_CUDA_BASE_CONVERT (object); switch (prop_id) { case PROP_SCALE_ADD_BORDERS: g_value_set_boolean (value, base->add_borders); break; break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static GstCaps * gst_cuda_scale_transform_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter) { GstCaps *tmp, *tmp2; GstCaps *result; /* Get all possible caps that we can transform to */ tmp = gst_cuda_base_convert_caps_rangify_size_info (caps); if (filter) { tmp2 = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST); gst_caps_unref (tmp); tmp = tmp2; } result = tmp; GST_DEBUG_OBJECT (trans, "transformed %" GST_PTR_FORMAT " into %" GST_PTR_FORMAT, caps, result); return result; } static GstCaps * gst_cuda_scale_fixate_caps (GstBaseTransform * base, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps) { GST_DEBUG_OBJECT (base, "trying to fixate othercaps %" GST_PTR_FORMAT " based on caps %" GST_PTR_FORMAT, othercaps, caps); othercaps = gst_cuda_base_convert_fixate_size (base, direction, caps, othercaps); GST_DEBUG_OBJECT (base, "fixated othercaps to %" GST_PTR_FORMAT, othercaps); return othercaps; }