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https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
49b67742c6
This splots the format enumeration into a helper for dsp and raw pod creation and a common function for the compute filters. Counting formats with modifiers will be usefull to announce dsp and raw formats from the same node. No functional changes.
91 lines
3.8 KiB
C
91 lines
3.8 KiB
C
/* Spa */
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/* SPDX-FileCopyrightText: Copyright © 2023 columbarius */
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/* SPDX-License-Identifier: MIT */
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#include "utils.h"
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#include <spa/param/param.h>
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#include <spa/param/video/dsp.h>
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#include <spa/param/video/raw.h>
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// This function enumerates the available formats in vulkan_state::formats, announcing all formats capable to support DmaBufs
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// first and then falling back to those supported with SHM buffers.
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bool find_EnumFormatInfo(struct vulkan_format_infos *fmtInfos, uint32_t index, uint32_t caps, uint32_t *fmt_idx, bool *has_modifier)
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{
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int64_t fmtIterator = 0;
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int64_t maxIterator = 0;
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if (caps & VULKAN_BUFFER_TYPE_CAP_SHM)
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maxIterator += fmtInfos->formatCount;
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if (caps & VULKAN_BUFFER_TYPE_CAP_DMABUF)
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maxIterator += fmtInfos->formatCount;
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// Count available formats until index underflows, while fmtIterator indexes the current format.
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// Iterate twice over formats first time with modifiers, second time without if both caps are supported.
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while (index < (uint32_t)-1 && fmtIterator < maxIterator) {
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const struct vulkan_format_info *f_info = &fmtInfos->infos[fmtIterator%fmtInfos->formatCount];
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if (caps & VULKAN_BUFFER_TYPE_CAP_DMABUF && fmtIterator < fmtInfos->formatCount) {
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// First round, check for modifiers
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if (f_info->modifierCount > 0) {
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index--;
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}
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} else if (caps & VULKAN_BUFFER_TYPE_CAP_SHM) {
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// Second round, every format should be supported.
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index--;
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}
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fmtIterator++;
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}
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if (index != (uint32_t)-1) {
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// No more formats available
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return false;
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}
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// Undo end of loop increment
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fmtIterator--;
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*fmt_idx = fmtIterator%fmtInfos->formatCount;
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// Loop finished in first round
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*has_modifier = caps & VULKAN_BUFFER_TYPE_CAP_DMABUF && fmtIterator < fmtInfos->formatCount;
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return true;
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}
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struct spa_pod *build_dsp_EnumFormat(const struct vulkan_format_info *fmt, bool with_modifiers, struct spa_pod_builder *builder)
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{
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struct spa_pod_frame f[2];
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uint32_t i, c;
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spa_pod_builder_push_object(builder, &f[0], SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat);
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spa_pod_builder_add(builder, SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video), 0);
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spa_pod_builder_add(builder, SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_dsp), 0);
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spa_pod_builder_add(builder, SPA_FORMAT_VIDEO_format, SPA_POD_Id(fmt->spa_format), 0);
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if (with_modifiers && fmt->modifierCount > 0) {
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spa_pod_builder_prop(builder, SPA_FORMAT_VIDEO_modifier, SPA_POD_PROP_FLAG_MANDATORY | SPA_POD_PROP_FLAG_DONT_FIXATE);
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spa_pod_builder_push_choice(builder, &f[1], SPA_CHOICE_Enum, 0);
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for (i = 0, c = 0; i < fmt->modifierCount; i++) {
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spa_pod_builder_long(builder, fmt->infos[i].props.drmFormatModifier);
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if (c++ == 0)
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spa_pod_builder_long(builder, fmt->infos[i].props.drmFormatModifier);
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}
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spa_pod_builder_pop(builder, &f[1]);
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}
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return spa_pod_builder_pop(builder, &f[0]);
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}
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struct spa_pod *build_raw_EnumFormat(const struct vulkan_format_info *fmt, bool with_modifiers, struct spa_pod_builder *builder)
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{
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struct spa_pod_frame f[2];
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uint32_t i, c;
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spa_pod_builder_push_object(builder, &f[0], SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat);
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spa_pod_builder_add(builder, SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video), 0);
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spa_pod_builder_add(builder, SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw), 0);
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spa_pod_builder_add(builder, SPA_FORMAT_VIDEO_format, SPA_POD_Id(fmt->spa_format), 0);
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if (with_modifiers && fmt->modifierCount > 0) {
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spa_pod_builder_prop(builder, SPA_FORMAT_VIDEO_modifier, SPA_POD_PROP_FLAG_MANDATORY | SPA_POD_PROP_FLAG_DONT_FIXATE);
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spa_pod_builder_push_choice(builder, &f[1], SPA_CHOICE_Enum, 0);
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for (i = 0, c = 0; i < fmt->modifierCount; i++) {
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spa_pod_builder_long(builder, fmt->infos[i].props.drmFormatModifier);
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if (c++ == 0)
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spa_pod_builder_long(builder, fmt->infos[i].props.drmFormatModifier);
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}
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spa_pod_builder_pop(builder, &f[1]);
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}
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return spa_pod_builder_pop(builder, &f[0]);
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}
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