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video-play: let stream map for us

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This commit is contained in:
Wim Taymans 2018-03-14 11:29:43 +01:00
parent 40d2451718
commit 2a159c04ff
1 changed files with 4 additions and 14 deletions
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18
src/examples/video-play.c
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@ -93,7 +93,6 @@ do_render(struct spa_loop *loop, bool async, uint32_t seq,
{
struct data *data = user_data;
struct spa_buffer *buf = ((struct spa_buffer **) _data)[0];
uint8_t *map;
void *sdata, *ddata;
int sstride, dstride, ostride;
uint32_t i;
@ -101,15 +100,7 @@ do_render(struct spa_loop *loop, bool async, uint32_t seq,
handle_events(data);
if (buf->datas[0].type == data->t->data.MemFd ||
buf->datas[0].type == data->t->data.DmaBuf) {
map = mmap(NULL, buf->datas[0].maxsize + buf->datas[0].mapoffset, PROT_READ,
MAP_PRIVATE, buf->datas[0].fd, 0);
sdata = SPA_MEMBER(map, buf->datas[0].mapoffset, uint8_t);
} else if (buf->datas[0].type == data->t->data.MemPtr) {
map = NULL;
sdata = buf->datas[0].data;
} else
if ((sdata = buf->datas[0].data) == NULL)
return -EINVAL;
if (SDL_LockTexture(data->texture, NULL, &ddata, &dstride) < 0) {
@ -132,9 +123,6 @@ do_render(struct spa_loop *loop, bool async, uint32_t seq,
SDL_RenderCopy(data->renderer, data->texture, NULL, NULL);
SDL_RenderPresent(data->renderer);
if (map)
munmap(map, buf->datas[0].maxsize + buf->datas[0].mapoffset);
return 0;
}
@ -366,7 +354,9 @@ static void on_state_changed(void *_data, enum pw_remote_state old, enum pw_remo
pw_stream_connect(data->stream,
PW_DIRECTION_INPUT,
data->path,
PW_STREAM_FLAG_AUTOCONNECT | PW_STREAM_FLAG_INACTIVE,
PW_STREAM_FLAG_AUTOCONNECT |
PW_STREAM_FLAG_INACTIVE |
PW_STREAM_FLAG_MAP_BUFFERS,
params, 1);
break;
}