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examples: handle I420 and IYUV formats

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They are represented in PipeWire with 3 planes now.
This commit is contained in:
Wim Taymans 2025-04-16 11:00:28 +02:00
parent 7d6e2a6417
commit 41665e6bb8
2 changed files with 19 additions and 11 deletions
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2
src/examples/sdl.h
View file

@ -151,7 +151,7 @@ static inline struct spa_pod *sdl_build_formats(SDL_RendererInfo *info, struct s
if (id == 0)
continue;
if (c++ == 0)
spa_pod_builder_id(b, id);
spa_pod_builder_id(b, SPA_VIDEO_FORMAT_UNKNOWN);
spa_pod_builder_id(b, id);
}
/* then all the other ones SDL can convert from/to */

28
src/examples/video-play.c
View file

@ -177,15 +177,21 @@ on_process(void *_data)
/* copy video image in texture */
if (data->is_yuv) {
void *datas[4];
sstride = data->stride;
SDL_UpdateYUVTexture(data->texture,
NULL,
sdata,
sstride,
SPA_PTROFF(sdata, sstride * data->size.height, void),
sstride / 2,
SPA_PTROFF(sdata, 5 * (sstride * data->size.height) / 4, void),
sstride / 2);
if (buf->n_datas == 1) {
datas[0] = sdata;
datas[1] = SPA_PTROFF(sdata, sstride * data->size.height, void);
datas[2] = SPA_PTROFF(sdata, 5 * (sstride * data->size.height) / 4, void);
} else {
datas[0] = sdata;
datas[1] = buf->datas[1].data;
datas[2] = buf->datas[2].data;
}
SDL_UpdateYUVTexture(data->texture, NULL,
datas[0], sstride,
datas[1], sstride / 2,
datas[2], sstride / 2);
}
else {
if (SDL_LockTexture(data->texture, NULL, &ddata, &dstride) < 0) {
@ -286,7 +292,7 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
const struct spa_pod *params[5];
Uint32 sdl_format;
void *d;
int32_t mult, size;
int32_t mult, size, blocks;
if (param != NULL && id == SPA_PARAM_Tag) {
spa_debug_pod(0, NULL, param);
@ -360,9 +366,11 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
case SDL_PIXELFORMAT_IYUV:
size = (data->stride * data->size.height) * 3 / 2;
data->is_yuv = true;
blocks = 3;
break;
default:
size = data->stride * data->size.height;
blocks = 1;
break;
}
@ -376,7 +384,7 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
params[0] = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_ParamBuffers, SPA_PARAM_Buffers,
SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(8, 2, MAX_BUFFERS),
SPA_PARAM_BUFFERS_blocks, SPA_POD_Int(1),
SPA_PARAM_BUFFERS_blocks, SPA_POD_Int(blocks),
SPA_PARAM_BUFFERS_size, SPA_POD_Int(size * mult),
SPA_PARAM_BUFFERS_stride, SPA_POD_Int(data->stride * mult),
SPA_PARAM_BUFFERS_dataType, SPA_POD_CHOICE_FLAGS_Int((1<<SPA_DATA_MemPtr)));