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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Retrieve a const char* from structure for "chromat-format" and avoid extra mem copy. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4904>
320 lines
10 KiB
C
320 lines
10 KiB
C
/*
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* GStreamer
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* Copyright (C) 2023 Igalia, S.L.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstvkvideoutils.h"
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#if GST_VULKAN_HAVE_VIDEO_EXTENSIONS
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/* *INDENT-OFF* */
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static const struct {
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VkVideoCodecOperationFlagBitsKHR codec;
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const char *mime;
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VkStructureType stype;
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} video_codecs_map[] = {
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{ VK_VIDEO_CODEC_OPERATION_DECODE_H264_BIT_KHR, "video/x-h264",
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VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_PROFILE_INFO_KHR },
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{ VK_VIDEO_CODEC_OPERATION_DECODE_H265_BIT_KHR, "video/x-h265",
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VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_PROFILE_INFO_KHR },
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};
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static const struct {
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VkVideoChromaSubsamplingFlagBitsKHR chroma;
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const char *chroma_str;
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} video_chroma_map[] = {
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{ VK_VIDEO_CHROMA_SUBSAMPLING_420_BIT_KHR, "4:2:0" },
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{ VK_VIDEO_CHROMA_SUBSAMPLING_422_BIT_KHR, "4:2:2" },
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{ VK_VIDEO_CHROMA_SUBSAMPLING_444_BIT_KHR, "4:4:4" },
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};
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static const struct {
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VkVideoComponentBitDepthFlagBitsKHR bitdepth;
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int bit_depth;
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} bit_depth_map[] = {
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{VK_VIDEO_COMPONENT_BIT_DEPTH_8_BIT_KHR, 8},
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{VK_VIDEO_COMPONENT_BIT_DEPTH_10_BIT_KHR, 10},
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{VK_VIDEO_COMPONENT_BIT_DEPTH_12_BIT_KHR, 12},
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};
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static const struct {
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StdVideoH264ProfileIdc vk_profile;
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const char *profile_str;
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} h264_profile_map[] = {
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{ STD_VIDEO_H264_PROFILE_IDC_BASELINE, "baseline" },
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{ STD_VIDEO_H264_PROFILE_IDC_MAIN, "main" },
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{ STD_VIDEO_H264_PROFILE_IDC_HIGH, "high" },
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{ STD_VIDEO_H264_PROFILE_IDC_HIGH_444_PREDICTIVE, "high-4:4:4" },
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};
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static const struct {
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VkVideoDecodeH264PictureLayoutFlagBitsKHR layout;
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const char *layout_str;
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} h264_layout_map[] = {
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{ VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_PROGRESSIVE_KHR, "progressive" },
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{ VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_INTERLACED_INTERLEAVED_LINES_BIT_KHR,
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"interleaved" },
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{ VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_INTERLACED_SEPARATE_PLANES_BIT_KHR,
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"fields" },
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};
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static const struct {
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StdVideoH265ProfileIdc vk_profile;
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const char *profile_str;
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} h265_profile_map[] = {
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{ STD_VIDEO_H265_PROFILE_IDC_MAIN, "main" },
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{ STD_VIDEO_H265_PROFILE_IDC_MAIN_10, "main-10" },
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{ STD_VIDEO_H265_PROFILE_IDC_MAIN_STILL_PICTURE, "main-still-picture" },
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{ STD_VIDEO_H265_PROFILE_IDC_FORMAT_RANGE_EXTENSIONS,
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"format-range-extensions" },
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{ STD_VIDEO_H265_PROFILE_IDC_SCC_EXTENSIONS, "scc-extensions" },
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};
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/* *INDENT-ON* */
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#endif
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/**
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* gst_vulkan_video_profile_to_caps: (skip)
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* @profile: #GstVulkanVideoProfile to convert into a #GstCaps
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*
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* Returns: (transfer full): a #GstCaps from @profile
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*
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* Since: 1.24
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*/
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GstCaps *
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gst_vulkan_video_profile_to_caps (const GstVulkanVideoProfile * profile)
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{
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#if GST_VULKAN_HAVE_VIDEO_EXTENSIONS
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const char *mime, *chroma_sub, *profile_str = NULL, *layout = NULL;
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int i, luma, chroma;
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GstCaps *caps;
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g_return_val_if_fail (profile
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&& profile->profile.sType == VK_STRUCTURE_TYPE_VIDEO_PROFILE_INFO_KHR,
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NULL);
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for (i = 0; i < G_N_ELEMENTS (video_codecs_map); i++) {
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if (profile->profile.videoCodecOperation == video_codecs_map[i].codec) {
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mime = video_codecs_map[i].mime;
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switch (profile->profile.videoCodecOperation) {
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case VK_VIDEO_CODEC_OPERATION_DECODE_H264_BIT_KHR:
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if (profile->codec.h264.sType == video_codecs_map[i].stype) {
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int j;
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for (j = 0; j < G_N_ELEMENTS (h264_profile_map); j++) {
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if (profile->codec.h264.stdProfileIdc
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== h264_profile_map[j].vk_profile) {
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profile_str = h264_profile_map[j].profile_str;
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break;
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}
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}
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for (j = 0; j < G_N_ELEMENTS (h264_layout_map); j++) {
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if (profile->codec.h264.pictureLayout
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== h264_layout_map[j].layout) {
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layout = h264_layout_map[j].layout_str;
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break;
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}
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}
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}
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break;
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case VK_VIDEO_CODEC_OPERATION_DECODE_H265_BIT_KHR:
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if (profile->codec.h265.sType == video_codecs_map[i].stype) {
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int j;
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for (j = 0; j < G_N_ELEMENTS (h265_profile_map); j++) {
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if (profile->codec.h265.stdProfileIdc
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== h265_profile_map[j].vk_profile)
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profile_str = h265_profile_map[j].profile_str;
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}
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}
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break;
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default:
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break;
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}
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break;
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}
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}
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if (i == G_N_ELEMENTS (video_codecs_map))
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return NULL;
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for (i = 0; i < G_N_ELEMENTS (video_chroma_map); i++) {
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if (profile->profile.chromaSubsampling == video_chroma_map[i].chroma) {
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chroma_sub = video_chroma_map[i].chroma_str;
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break;
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}
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}
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if (i == G_N_ELEMENTS (video_chroma_map))
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return NULL;
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for (i = 0; i < G_N_ELEMENTS (bit_depth_map); i++) {
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if (profile->profile.chromaBitDepth == bit_depth_map[i].bitdepth) {
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chroma = bit_depth_map[i].bit_depth;
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break;
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}
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}
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if (i == G_N_ELEMENTS (bit_depth_map))
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return NULL;
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for (i = 0; i < G_N_ELEMENTS (bit_depth_map); i++) {
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if (profile->profile.lumaBitDepth == bit_depth_map[i].bitdepth) {
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luma = bit_depth_map[i].bit_depth;
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break;
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}
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}
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if (i == G_N_ELEMENTS (bit_depth_map))
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return NULL;
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caps = gst_caps_new_simple (mime, "chroma-format", G_TYPE_STRING, chroma_sub,
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"bit-depth-luma", G_TYPE_UINT, luma, "bit-depth-chroma", G_TYPE_UINT,
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chroma, NULL);
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if (profile_str)
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gst_caps_set_simple (caps, "profile", G_TYPE_STRING, profile_str, NULL);
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if (layout)
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gst_caps_set_simple (caps, "interlace-mode", G_TYPE_STRING, layout, NULL);
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return caps;
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#endif
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return NULL;
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}
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/**
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* gst_vulkan_video_profile_from_caps: (skip)
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* @profile: (out): the output profile
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* @caps: a #GstCaps to parse
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*
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* Returns: %TRUE if @caps was parsed correctly, otherwise %FALSE
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*
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* Since: 1.24
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*/
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gboolean
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gst_vulkan_video_profile_from_caps (GstVulkanVideoProfile * profile,
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GstCaps * caps)
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{
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#if GST_VULKAN_HAVE_VIDEO_EXTENSIONS
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const GstStructure *structure;
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const char *mime, *chroma_sub, *profile_str = NULL, *layout = NULL;
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int i, luma, chroma;
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g_return_val_if_fail (GST_IS_CAPS (caps), FALSE);
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g_return_val_if_fail (profile, FALSE);
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structure = gst_caps_get_structure (caps, 0);
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profile->profile.sType = VK_STRUCTURE_TYPE_VIDEO_PROFILE_INFO_KHR;
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mime = gst_structure_get_name (structure);
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for (i = 0; i < G_N_ELEMENTS (video_codecs_map); i++) {
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if (g_strcmp0 (video_codecs_map[i].mime, mime) == 0) {
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profile->profile.videoCodecOperation = video_codecs_map[i].codec;
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switch (profile->profile.videoCodecOperation) {
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case VK_VIDEO_CODEC_OPERATION_DECODE_H264_BIT_KHR:{
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int j;
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profile->codec.h264.sType = video_codecs_map[i].stype;
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profile->codec.h264.stdProfileIdc =
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STD_VIDEO_H264_PROFILE_IDC_INVALID;
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profile->codec.h264.pictureLayout =
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VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_FLAG_BITS_MAX_ENUM_KHR;
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profile->profile.pNext = &profile->codec;
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profile_str = gst_structure_get_string (structure, "profile");
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for (j = 0; profile_str && j < G_N_ELEMENTS (h264_profile_map); j++) {
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if (g_strcmp0 (profile_str, h264_profile_map[j].profile_str) == 0) {
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profile->codec.h264.stdProfileIdc =
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h264_profile_map[j].vk_profile;
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break;
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}
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}
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layout = gst_structure_get_string (structure, "interlace-mode");
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for (j = 0; layout && j < G_N_ELEMENTS (h264_layout_map); j++) {
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if (g_strcmp0 (layout, h264_layout_map[j].layout_str) == 0) {
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profile->codec.h264.pictureLayout = h264_layout_map[j].layout;
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break;
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}
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}
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break;
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}
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case VK_VIDEO_CODEC_OPERATION_DECODE_H265_BIT_KHR:{
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int j;
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profile->codec.h265.sType = video_codecs_map[i].stype;
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profile->codec.h265.stdProfileIdc =
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STD_VIDEO_H265_PROFILE_IDC_INVALID;
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profile->profile.pNext = &profile->codec;
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profile_str = gst_structure_get_string (structure, "profile");
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for (j = 0; profile_str && j < G_N_ELEMENTS (h265_profile_map); j++) {
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if (g_strcmp0 (profile_str, h265_profile_map[j].profile_str) == 0) {
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profile->codec.h265.stdProfileIdc =
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h265_profile_map[j].vk_profile;
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break;
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}
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}
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break;
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}
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default:
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break;
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}
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break;
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}
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}
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if (i == G_N_ELEMENTS (video_codecs_map))
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return FALSE;
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chroma_sub = gst_structure_get_string (structure, "chroma-format");
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if (!chroma_sub)
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return FALSE;
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if (!gst_structure_get (structure, "bit-depth-luma", G_TYPE_UINT, &luma,
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"bit-depth-chroma", G_TYPE_UINT, &chroma, NULL))
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return FALSE;
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for (i = 0; i < G_N_ELEMENTS (video_chroma_map); i++) {
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if (g_strcmp0 (chroma_sub, video_chroma_map[i].chroma_str) == 0) {
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profile->profile.chromaSubsampling = video_chroma_map[i].chroma;
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break;
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}
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}
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if (i == G_N_ELEMENTS (video_chroma_map))
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return FALSE;
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for (i = 0; i < G_N_ELEMENTS (bit_depth_map); i++) {
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if (luma == bit_depth_map[i].bit_depth) {
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profile->profile.lumaBitDepth = bit_depth_map[i].bitdepth;
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break;
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}
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}
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if (i == G_N_ELEMENTS (bit_depth_map))
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return FALSE;
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for (i = 0; i < G_N_ELEMENTS (bit_depth_map); i++) {
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if (chroma == bit_depth_map[i].bit_depth) {
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profile->profile.chromaBitDepth = bit_depth_map[i].bitdepth;
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break;
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}
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}
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if (i == G_N_ELEMENTS (bit_depth_map))
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return FALSE;
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#endif
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return TRUE;
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}
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