mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-12-17 08:56:49 -05:00
Add new pod parser and builder
Add a new pod builder and parser that is less verbose and a little more powerful.
This commit is contained in:
Wim Taymans
parent
3e49aec61b
commit
24d80e5c00
54 changed files with 3616 additions and 2817 deletions
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@ -153,40 +153,25 @@ static void reset_props(struct impl *this, struct props *props)
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props->pattern = this->type.DEFAULT_PATTERN;
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}
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#define PROP(f,key,type,...) \
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SPA_POD_PROP (f,key,0,type,1,__VA_ARGS__)
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#define PROP_MM(f,key,type,...) \
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SPA_POD_PROP (f,key,SPA_POD_PROP_RANGE_MIN_MAX,type,3,__VA_ARGS__)
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#define PROP_U_MM(f,key,type,...) \
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SPA_POD_PROP (f,key,SPA_POD_PROP_FLAG_UNSET | \
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SPA_POD_PROP_RANGE_MIN_MAX,type,3,__VA_ARGS__)
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#define PROP_EN(f,key,type,n,...) \
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SPA_POD_PROP (f,key,SPA_POD_PROP_RANGE_ENUM,type,n,__VA_ARGS__)
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#define PROP_U_EN(f,key,type,n,...) \
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SPA_POD_PROP (f,key,SPA_POD_PROP_FLAG_UNSET | \
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SPA_POD_PROP_RANGE_ENUM,type,n,__VA_ARGS__)
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static int impl_node_get_props(struct spa_node *node, struct spa_props **props)
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{
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struct impl *this;
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struct spa_pod_builder b = { NULL, };
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struct spa_pod_frame f[2];
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struct type *t;
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spa_return_val_if_fail(node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
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spa_return_val_if_fail(props != NULL, SPA_RESULT_INVALID_ARGUMENTS);
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this = SPA_CONTAINER_OF(node, struct impl, node);
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t = &this->type;
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spa_pod_builder_init(&b, this->props_buffer, sizeof(this->props_buffer));
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spa_pod_builder_props(&b, &f[0], this->type.props,
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PROP(&f[1], this->type.prop_live, SPA_POD_TYPE_BOOL,
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this->props.live),
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PROP_EN(&f[1], this->type.prop_pattern, SPA_POD_TYPE_ID, 3,
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this->props.pattern,
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this->type.pattern_smpte_snow,
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this->type.pattern_snow));
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*props = SPA_POD_BUILDER_DEREF(&b, f[0].ref, struct spa_props);
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*props = spa_pod_builder_props(&b,
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t->props,
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":", t->prop_live, "b", this->props.live,
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":", t->prop_pattern, "Ie", this->props.pattern,
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2, t->pattern_smpte_snow,
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t->pattern_snow);
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return SPA_RESULT_OK;
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}
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@ -194,18 +179,20 @@ static int impl_node_get_props(struct spa_node *node, struct spa_props **props)
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static int impl_node_set_props(struct spa_node *node, const struct spa_props *props)
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{
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struct impl *this;
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struct type *t;
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spa_return_val_if_fail(node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
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this = SPA_CONTAINER_OF(node, struct impl, node);
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t = &this->type;
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if (props == NULL) {
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reset_props(this, &this->props);
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} else {
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spa_props_query(props,
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this->type.prop_live, SPA_POD_TYPE_BOOL, &this->props.live,
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this->type.prop_pattern, SPA_POD_TYPE_ID, &this->props.pattern,
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0);
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spa_props_parse(props,
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":", t->prop_live, "?b", &this->props.live,
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":", t->prop_pattern, "?I", &this->props.pattern,
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NULL);
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}
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if (this->props.live)
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@ -433,13 +420,14 @@ impl_node_port_enum_formats(struct spa_node *node,
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struct spa_format *fmt;
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uint8_t buffer[256];
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struct spa_pod_builder b = { NULL, };
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struct spa_pod_frame f[2];
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uint32_t count, match;
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struct type *t;
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spa_return_val_if_fail(node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
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spa_return_val_if_fail(format != NULL, SPA_RESULT_INVALID_ARGUMENTS);
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this = SPA_CONTAINER_OF(node, struct impl, node);
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t = &this->type;
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spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), SPA_RESULT_INVALID_PORT);
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@ -450,26 +438,22 @@ impl_node_port_enum_formats(struct spa_node *node,
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switch (count++) {
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case 0:
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spa_pod_builder_format(&b, &f[0], this->type.format,
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this->type.media_type.video,
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this->type.media_subtype.raw,
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PROP_U_EN(&f[1], this->type.format_video.format, SPA_POD_TYPE_ID, 3,
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this->type.video_format.RGB,
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this->type.video_format.RGB,
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this->type.video_format.UYVY),
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PROP_U_MM(&f[1], this->type.format_video.size, SPA_POD_TYPE_RECTANGLE,
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320, 240,
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1, 1,
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INT32_MAX, INT32_MAX),
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PROP_U_MM(&f[1], this->type.format_video.framerate, SPA_POD_TYPE_FRACTION,
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25, 1,
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0, 1,
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INT32_MAX, 1));
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fmt = spa_pod_builder_format(&b,
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t->format,
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t->media_type.video, t->media_subtype.raw,
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":", t->format_video.format, "Ieu", t->video_format.RGB,
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2, t->video_format.RGB,
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t->video_format.UYVY,
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":", t->format_video.size, "Rru", &SPA_RECTANGLE(320, 240),
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2, &SPA_RECTANGLE(1, 1),
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&SPA_RECTANGLE(INT32_MAX, INT32_MAX),
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":", t->format_video.framerate, "Fru", &SPA_FRACTION(25,1),
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2, &SPA_FRACTION(0, 1),
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&SPA_FRACTION(INT32_MAX, 1));
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break;
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default:
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return SPA_RESULT_ENUM_END;
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}
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fmt = SPA_POD_BUILDER_DEREF(&b, f[0].ref, struct spa_format);
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spa_pod_builder_init(&b, this->format_buffer, sizeof(this->format_buffer));
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@ -520,7 +504,7 @@ impl_node_port_set_format(struct spa_node *node,
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info.media_subtype != this->type.media_subtype.raw)
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return SPA_RESULT_INVALID_MEDIA_TYPE;
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if (!spa_format_video_raw_parse(format, &info.info.raw, &this->type.format_video))
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if (spa_format_video_raw_parse(format, &info.info.raw, &this->type.format_video) < 0)
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return SPA_RESULT_INVALID_MEDIA_TYPE;
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if (info.info.raw.format == this->type.video_format.RGB)
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@ -550,12 +534,13 @@ impl_node_port_get_format(struct spa_node *node,
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{
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struct impl *this;
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struct spa_pod_builder b = { NULL, };
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struct spa_pod_frame f[2];
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struct type *t;
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spa_return_val_if_fail(node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
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spa_return_val_if_fail(format != NULL, SPA_RESULT_INVALID_ARGUMENTS);
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this = SPA_CONTAINER_OF(node, struct impl, node);
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t = &this->type;
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spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), SPA_RESULT_INVALID_PORT);
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@ -563,17 +548,12 @@ impl_node_port_get_format(struct spa_node *node,
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return SPA_RESULT_NO_FORMAT;
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spa_pod_builder_init(&b, this->format_buffer, sizeof(this->format_buffer));
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spa_pod_builder_format(&b, &f[0], this->type.format,
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this->type.media_type.video,
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this->type.media_subtype.raw,
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PROP(&f[1], this->type.format_video.format, SPA_POD_TYPE_ID,
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this->current_format.info.raw.format),
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PROP(&f[1], this->type.format_video.size, -SPA_POD_TYPE_RECTANGLE,
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&this->current_format.info.raw.size),
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PROP(&f[1], this->type.format_video.framerate, -SPA_POD_TYPE_FRACTION,
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&this->current_format.info.raw.framerate));
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*format = SPA_POD_BUILDER_DEREF(&b, f[0].ref, struct spa_format);
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*format = spa_pod_builder_format(&b,
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t->format,
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t->media_type.video, t->media_subtype.raw,
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":", t->format_video.format, "I", this->current_format.info.raw.format,
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":", t->format_video.size, "R", &this->current_format.info.raw.size,
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":", t->format_video.framerate, "F", &this->current_format.info.raw.framerate);
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return SPA_RESULT_OK;
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}
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@ -607,12 +587,13 @@ impl_node_port_enum_params(struct spa_node *node,
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{
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struct impl *this;
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struct spa_pod_builder b = { NULL, };
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struct spa_pod_frame f[2];
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struct type *t;
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spa_return_val_if_fail(node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
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spa_return_val_if_fail(param != NULL, SPA_RESULT_INVALID_ARGUMENTS);
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this = SPA_CONTAINER_OF(node, struct impl, node);
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t = &this->type;
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spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), SPA_RESULT_INVALID_PORT);
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@ -622,31 +603,26 @@ impl_node_port_enum_params(struct spa_node *node,
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case 0: {
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struct spa_video_info_raw *raw_info = &this->current_format.info.raw;
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spa_pod_builder_object(&b, &f[0], 0, this->type.param_alloc_buffers.Buffers,
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PROP(&f[1], this->type.param_alloc_buffers.size, SPA_POD_TYPE_INT,
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this->stride * raw_info->size.height),
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PROP(&f[1], this->type.param_alloc_buffers.stride, SPA_POD_TYPE_INT,
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this->stride),
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PROP_U_MM(&f[1], this->type.param_alloc_buffers.buffers, SPA_POD_TYPE_INT,
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2, 1, 32),
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PROP(&f[1], this->type.param_alloc_buffers.align, SPA_POD_TYPE_INT,
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16));
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*param = spa_pod_builder_param(&b,
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t->param_alloc_buffers.Buffers,
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":", t->param_alloc_buffers.size, "i", this->stride * raw_info->size.height,
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":", t->param_alloc_buffers.stride, "i", this->stride,
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":", t->param_alloc_buffers.buffers, "ir", 2,
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2, 1, 32,
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":", t->param_alloc_buffers.align, "i", 16);
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break;
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}
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case 1:
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spa_pod_builder_object(&b, &f[0], 0, this->type.param_alloc_meta_enable.MetaEnable,
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PROP(&f[1], this->type.param_alloc_meta_enable.type, SPA_POD_TYPE_ID,
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this->type.meta.Header),
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PROP(&f[1], this->type.param_alloc_meta_enable.size, SPA_POD_TYPE_INT,
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sizeof(struct spa_meta_header)));
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*param = spa_pod_builder_param(&b,
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t->param_alloc_meta_enable.MetaEnable,
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":", t->param_alloc_meta_enable.type, "I", t->meta.Header,
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":", t->param_alloc_meta_enable.size, "i", sizeof(struct spa_meta_header));
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break;
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default:
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return SPA_RESULT_NOT_IMPLEMENTED;
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}
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*param = SPA_POD_BUILDER_DEREF(&b, f[0].ref, struct spa_param);
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return SPA_RESULT_OK;
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}
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