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Add new pod parser and builder

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Add a new pod builder and parser that is less verbose and
a little more powerful.
This commit is contained in:
Wim Taymans 2017-09-21 18:57:41 +02:00
parent 3e49aec61b
commit 24d80e5c00
54 changed files with 3616 additions and 2817 deletions
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50
src/examples/video-play.c
View file

@ -223,12 +223,6 @@ static Uint32 id_to_sdl_format(struct data *data, uint32_t id)
return SDL_PIXELFORMAT_UNKNOWN;
}
#define PROP(f,key,type,...) \
SPA_POD_PROP (f,key,0,type,1,__VA_ARGS__)
#define PROP_U_MM(f,key,type,...) \
SPA_POD_PROP (f,key,SPA_POD_PROP_FLAG_UNSET | \
SPA_POD_PROP_RANGE_MIN_MAX,type,3,__VA_ARGS__)
static void
on_stream_format_changed(void *_data, struct spa_format *format)
{
@ -236,7 +230,6 @@ on_stream_format_changed(void *_data, struct spa_format *format)
struct pw_stream *stream = data->stream;
struct pw_type *t = data->t;
struct spa_pod_builder b = { NULL };
struct spa_pod_frame f[2];
struct spa_param *params[2];
Uint32 sdl_format;
void *d;
@ -265,24 +258,18 @@ on_stream_format_changed(void *_data, struct spa_format *format)
SDL_UnlockTexture(data->texture);
spa_pod_builder_init(&b, data->params_buffer, sizeof(data->params_buffer));
spa_pod_builder_object(&b, &f[0], 0, t->param_alloc_buffers.Buffers,
PROP(&f[1], t->param_alloc_buffers.size, SPA_POD_TYPE_INT,
data->stride * data->format.size.height),
PROP(&f[1], t->param_alloc_buffers.stride, SPA_POD_TYPE_INT,
data->stride),
PROP_U_MM(&f[1], t->param_alloc_buffers.buffers, SPA_POD_TYPE_INT,
32,
2, 32),
PROP(&f[1], t->param_alloc_buffers.align, SPA_POD_TYPE_INT,
16));
params[0] = SPA_POD_BUILDER_DEREF(&b, f[0].ref, struct spa_param);
params[0] = spa_pod_builder_param(&b,
t->param_alloc_buffers.Buffers,
":", t->param_alloc_buffers.size, "i", data->stride * data->format.size.height,
":", t->param_alloc_buffers.stride, "i", data->stride,
":", t->param_alloc_buffers.buffers, "iru", 32,
2, 2, 32,
":", t->param_alloc_buffers.align, "i", 16);
spa_pod_builder_object(&b, &f[0], 0, t->param_alloc_meta_enable.MetaEnable,
PROP(&f[1], t->param_alloc_meta_enable.type, SPA_POD_TYPE_ID,
t->meta.Header),
PROP(&f[1], t->param_alloc_meta_enable.size, SPA_POD_TYPE_INT,
sizeof(struct spa_meta_header)));
params[1] = SPA_POD_BUILDER_DEREF(&b, f[0].ref, struct spa_param);
params[1] = spa_pod_builder_param(&b,
t->param_alloc_meta_enable.MetaEnable,
":", t->param_alloc_meta_enable.type, "I", t->meta.Header,
":", t->param_alloc_meta_enable.size, "i", sizeof(struct spa_meta_header));
pw_stream_finish_format(stream, SPA_RESULT_OK, params, 2);
}
@ -344,13 +331,14 @@ static void on_state_changed(void *_data, enum pw_remote_state old, enum pw_remo
}
spa_pod_builder_pop(&b, &f[1]);
spa_pod_builder_add(&b,
PROP_U_MM(&f[1], data->type.format_video.size, SPA_POD_TYPE_RECTANGLE,
WIDTH, HEIGHT,
1, 1, info.max_texture_width, info.max_texture_height),
PROP_U_MM(&f[1], data->type.format_video.framerate, SPA_POD_TYPE_FRACTION,
25, 1,
0, 1, 30, 1),
0);
":", data->type.format_video.size, "Rru", &SPA_RECTANGLE(WIDTH, HEIGHT),
2, &SPA_RECTANGLE(1,1),
&SPA_RECTANGLE(info.max_texture_width,
info.max_texture_height),
":", data->type.format_video.framerate, "Fru", &SPA_FRACTION(25,1),
2, &SPA_RECTANGLE(0,1),
&SPA_RECTANGLE(30,1),
NULL);
spa_pod_builder_pop(&b, &f[0]);
formats[0] = SPA_POD_BUILDER_DEREF(&b, f[0].ref, struct spa_format);