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Rework buffer memory layout

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Move offset, size and stride to separate chunk structure that we
can keep in shared memory.
Add shared metadata type to hold the memory block holding the
metadata.
This commit is contained in:
Wim Taymans 2016-12-15 14:57:34 +01:00
parent 5e8a3afe17
commit 0d0385b881
13 changed files with 328 additions and 241 deletions
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20
spa/lib/debug.c
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@ -30,6 +30,7 @@ struct meta_type_name {
{ "SpaMetaPointer" },
{ "SpaMetaVideoCrop" },
{ "SpaMetaRingbuffer" },
{ "SpaMetaShared" },
{ "invalid" },
};
#define META_TYPE_NAME(t) meta_type_names[SPA_CLAMP(t,0,SPA_N_ELEMENTS(meta_type_names)-1)].name
@ -172,6 +173,17 @@ spa_debug_buffer (const SpaBuffer *buffer)
fprintf (stderr, " mask2: %zd\n", h->ringbuffer.mask2);
break;
}
case SPA_META_TYPE_SHARED:
{
SpaMetaShared *h = m->data;
fprintf (stderr, " SpaMetaShared:\n");
fprintf (stderr, " type: %d\n", h->type);
fprintf (stderr, " flags: %d\n", h->flags);
fprintf (stderr, " fd: %d\n", h->fd);
fprintf (stderr, " offset: %zd\n", h->offset);
fprintf (stderr, " size: %zd\n", h->size);
break;
}
default:
spa_debug_dump_mem (m->data, m->size);
break;
@ -184,10 +196,12 @@ spa_debug_buffer (const SpaBuffer *buffer)
fprintf (stderr, " flags: %d\n", d->flags);
fprintf (stderr, " data: %p\n", d->data);
fprintf (stderr, " fd: %d\n", d->fd);
fprintf (stderr, " maxsize: %zd\n", d->maxsize);
fprintf (stderr, " offset: %zd\n", d->offset);
fprintf (stderr, " size: %zd\n", d->size);
fprintf (stderr, " stride: %zd\n", d->stride);
fprintf (stderr, " maxsize: %zd\n", d->size);
fprintf (stderr, " chunk: %p\n", d->chunk);
fprintf (stderr, " offset: %zd\n", d->chunk->offset);
fprintf (stderr, " size: %zd\n", d->chunk->size);
fprintf (stderr, " stride: %zd\n", d->chunk->stride);
}
return SPA_RESULT_OK;
}