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v4l2: add support for DMABUF

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Export dmafd on buffers and use those directly to send to the client.
Do some v4l2 cleanup.
This commit is contained in:
Wim Taymans 2016-07-13 19:56:39 +02:00
parent 17ef36c9c1
commit 16d2a3a69c
3 changed files with 61 additions and 18 deletions
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11
pinos/modules/spa/spa-v4l2-source.c
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@ -199,11 +199,15 @@ on_source_event (SpaHandle *handle, SpaEvent *event, void *user_data)
pinos_buffer_builder_init_into (&builder, buf, 1024, fdbuf, 8);
pinos_buffer_builder_add_header (&builder, &hdr);
fd = tmpfile_create (source, b->datas[0].data, b->size);
if (b->datas[0].type == SPA_DATA_TYPE_FD) {
fd = *((int *)b->datas[0].data);
} else {
fd = tmpfile_create (source, b->datas[0].data, b->size);
}
p.fd_index = pinos_buffer_builder_add_fd (&builder, fd);
p.id = pinos_fd_manager_get_id (priv->fdmanager);
p.offset = 0;
p.size = b->size;
p.offset = b->datas[0].offset;
p.size = b->datas[0].size;
pinos_buffer_builder_add_fd_payload (&builder, &p);
pinos_buffer_builder_end (&builder, &pbuf);
@ -219,6 +223,7 @@ on_source_event (SpaHandle *handle, SpaEvent *event, void *user_data)
g_clear_error (&error);
}
}
pinos_buffer_steal_fds (&pbuf, NULL);
pinos_buffer_unref (&pbuf);
spa_buffer_unref (b);