static void sound_fill_in(struct ubuf *ubuf)
{
size_t size;
uint8_t sample_size;
ubase_assert(ubuf_sound_size(ubuf, &size, &sample_size));
int octets = size * sample_size;
const char *channel = NULL;
while (ubase_check(ubuf_sound_plane_iterate(ubuf, &channel)) &&
channel != NULL) {
uint8_t *buffer;
ubase_assert(ubuf_sound_plane_write_uint8_t(ubuf, channel, 0, -1,
&buffer));
for (int x = 0; x < octets; x++)
buffer[x] = (uint8_t)channel[0] + x;
ubase_assert(ubuf_sound_plane_unmap(ubuf, channel, 0, -1));
}
}
/** @internal @This handles data from sound allocator.
*
* @param upipe description structure of the pipe
* @param uref uref structure
* @param upump_p reference to pump that generated the buffer
*/
static void upipe_tblk_handle_sound(struct upipe *upipe, struct uref *uref,
struct upump **upump_p)
{
struct upipe_tblk *upipe_tblk = upipe_tblk_from_upipe(upipe);
/* Always operate on the first channel plane. */
const char *channel = NULL;
if (unlikely(uref->ubuf == NULL ||
!ubase_check(ubuf_sound_plane_iterate(uref->ubuf, &channel)) ||
channel == NULL)) {
uref_free(uref);
upipe_throw_error(upipe, UBASE_ERR_INVALID);
return;
}
/* First try the ubuf_mem_shared method. */
struct ubuf *ubuf = ubuf_block_mem_alloc_from_sound(upipe_tblk->ubuf_mgr,
uref->ubuf, channel);
if (unlikely(ubuf == NULL)) {
/* We have to memcpy the thing. */
size_t samples;
uint8_t sample_size;
if (unlikely(!ubase_check(uref_sound_size(uref, &samples,
&sample_size)))) {
uref_free(uref);
upipe_throw_error(upipe, UBASE_ERR_INVALID);
return;
}
size_t size = samples * sample_size;
ubuf = ubuf_block_alloc(upipe_tblk->ubuf_mgr, size);
if (unlikely(ubuf == NULL)) {
uref_free(uref);
upipe_throw_error(upipe, UBASE_ERR_ALLOC);
return;
}
const uint8_t *r;
if (unlikely(!ubase_check(uref_sound_plane_read_uint8_t(uref, channel,
0, -1, &r)))) {
ubuf_free(ubuf);
uref_free(uref);
upipe_throw_error(upipe, UBASE_ERR_ALLOC);
return;
}
uint8_t *w;
int end = -1;
if (unlikely(!ubase_check(ubuf_block_write(ubuf, 0, &end, &w)))) {
uref_sound_plane_unmap(uref, channel, 0, -1);
ubuf_free(ubuf);
uref_free(uref);
upipe_throw_error(upipe, UBASE_ERR_ALLOC);
return;
}
memcpy(w, r, size);
ubuf_block_unmap(ubuf, 0);
uref_sound_plane_unmap(uref, channel, 0, -1);
}
uref_attach_ubuf(uref, ubuf);
upipe_tblk_output(upipe, uref, upump_p);
}
int main(int argc, char **argv)
{
struct umem_mgr *umem_mgr = umem_alloc_mgr_alloc();
assert(umem_mgr != NULL);
struct ubuf_mgr *mgr;
struct ubuf *ubuf1, *ubuf2;
const char *channel;
size_t size;
uint8_t sample_size;
uint8_t *w;
const uint8_t *r;
/* packed s16 stereo */
mgr = ubuf_sound_mem_mgr_alloc(UBUF_POOL_DEPTH, UBUF_POOL_DEPTH, umem_mgr,
4, 32);
assert(mgr != NULL);
ubase_assert(ubuf_sound_mem_mgr_add_plane(mgr, "lr"));
ubuf1 = ubuf_sound_alloc(mgr, 32);
assert(ubuf1 != NULL);
ubase_assert(ubuf_sound_size(ubuf1, &size, &sample_size));
assert(size == 32);
assert(sample_size == 4);
channel = NULL;
unsigned int nb_planes = 0;
while (ubase_check(ubuf_sound_plane_iterate(ubuf1, &channel)) &&
channel != NULL) {
nb_planes++;
assert(!strcmp(channel, "lr"));
}
assert(nb_planes == 1);
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "lr", 0, -1, &r));
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "lr", 0, -1));
fill_in(ubuf1);
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "lr", 2, 1, &r));
assert(*r == 'l' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "lr", 2, 1));
ubuf2 = ubuf_dup(ubuf1);
assert(ubuf2 != NULL);
ubase_nassert(ubuf_sound_plane_write_uint8_t(ubuf1, "lr", 0, -1, &w));
ubuf_free(ubuf2);
ubase_nassert(ubuf_sound_resize(ubuf1, 0, 33));
ubase_assert(ubuf_sound_resize(ubuf1, 2, -1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "lr", 0, -1, &r));
assert(r[0] == 'l' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "lr", 0, -1));
ubase_assert(ubuf_sound_resize(ubuf1, 0, 29));
ubuf_free(ubuf1);
ubuf_mgr_release(mgr);
/* planar float 5.1 */
mgr = ubuf_sound_mem_mgr_alloc(UBUF_POOL_DEPTH, UBUF_POOL_DEPTH, umem_mgr,
sizeof(float), 32);
assert(mgr != NULL);
ubase_assert(ubuf_sound_mem_mgr_add_plane(mgr, "l"));
ubase_assert(ubuf_sound_mem_mgr_add_plane(mgr, "r"));
ubase_assert(ubuf_sound_mem_mgr_add_plane(mgr, "c"));
ubase_assert(ubuf_sound_mem_mgr_add_plane(mgr, "L"));
ubase_assert(ubuf_sound_mem_mgr_add_plane(mgr, "R"));
ubase_assert(ubuf_sound_mem_mgr_add_plane(mgr, "S"));
ubuf1 = ubuf_sound_alloc(mgr, 32);
assert(ubuf1 != NULL);
ubase_assert(ubuf_sound_size(ubuf1, &size, &sample_size));
assert(size == 32);
assert(sample_size == sizeof(float));
channel = NULL;
nb_planes = 0;
while (ubase_check(ubuf_sound_plane_iterate(ubuf1, &channel)) &&
channel != NULL)
nb_planes++;
assert(nb_planes == 6);
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "l", 0, -1, &r));
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "l", 0, -1));
fill_in(ubuf1);
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "l", 2, 1, &r));
assert(*r == 'l' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "l", 2, 1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "r", 2, 1, &r));
assert(*r == 'r' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "r", 2, 1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "c", 2, 1, &r));
assert(*r == 'c' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "c", 2, 1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "L", 2, 1, &r));
assert(*r == 'L' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "L", 2, 1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "R", 2, 1, &r));
assert(*r == 'R' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "R", 2, 1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "S", 2, 1, &r));
assert(*r == 'S' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "S", 2, 1));
ubuf2 = ubuf_dup(ubuf1);
assert(ubuf2 != NULL);
ubase_nassert(ubuf_sound_plane_write_uint8_t(ubuf1, "l", 0, -1, &w));
ubuf_free(ubuf2);
ubase_nassert(ubuf_sound_resize(ubuf1, 0, 33));
ubase_assert(ubuf_sound_resize(ubuf1, 2, -1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "l", 0, -1, &r));
assert(r[0] == 'l' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "l", 0, -1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "r", 0, -1, &r));
assert(r[0] == 'r' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "r", 0, -1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "c", 0, -1, &r));
assert(r[0] == 'c' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "c", 0, -1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "L", 0, -1, &r));
assert(r[0] == 'L' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "L", 0, -1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "R", 0, -1, &r));
assert(r[0] == 'R' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "R", 0, -1));
ubase_assert(ubuf_sound_plane_read_uint8_t(ubuf1, "S", 0, -1, &r));
assert(r[0] == 'S' + 8);
ubase_assert(ubuf_sound_plane_unmap(ubuf1, "S", 0, -1));
ubase_assert(ubuf_sound_resize(ubuf1, 0, 29));
ubuf_free(ubuf1);
ubuf_mgr_release(mgr);
/* sound -> block transformation */
mgr = ubuf_sound_mem_mgr_alloc(UBUF_POOL_DEPTH, UBUF_POOL_DEPTH, umem_mgr,
4, 32);
assert(mgr != NULL);
ubase_assert(ubuf_sound_mem_mgr_add_plane(mgr, "lr"));
ubuf1 = ubuf_sound_alloc(mgr, 32);
assert(ubuf1 != NULL);
fill_in(ubuf1);
struct ubuf_mgr *block_mgr = ubuf_block_mem_mgr_alloc(UBUF_POOL_DEPTH,
UBUF_POOL_DEPTH, umem_mgr, 0, 0, 0, 0);
struct ubuf *ubuf_block = ubuf_block_mem_alloc_from_sound(block_mgr,
ubuf1, "lr");
assert(ubuf_block != NULL);
ubase_assert(ubuf_block_size(ubuf_block, &size));
assert(size == 32 * 4);
int size2 = -1;
ubase_assert(ubuf_block_read(ubuf_block, 0, &size2, &r));
assert(size2 == 32 * 4);
assert(r[0] == 'l');
ubuf_free(ubuf_block);
ubuf_mgr_release(block_mgr);
ubuf_free(ubuf1);
ubuf_mgr_release(mgr);
umem_mgr_release(umem_mgr);
return 0;
}