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examples: fix texture updates

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This commit is contained in:
Wim Taymans 2025-09-09 14:29:18 +02:00
parent 0b08468035
commit 144c3630ea
3 changed files with 44 additions and 31 deletions
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40
src/examples/video-play-pull.c
View file

@ -171,14 +171,15 @@ on_process(void *_data)
/* copy video image in texture */
if (data->is_yuv) {
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) {
SDL_UpdateTexture(data->texture, NULL,
sdata, sstride);
} else {
SDL_UpdateYUVTexture(data->texture, NULL,
sdata, sstride,
buf->datas[1].data, sstride / 2,
buf->datas[2].data, sstride / 2);
}
}
else {
if (SDL_LockTexture(data->texture, NULL, &ddata, &dstride) < 0) {
@ -331,7 +332,7 @@ 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;
/* NULL means to clear the format */
if (param == NULL || id != SPA_PARAM_Format)
@ -383,20 +384,29 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
SDL_TEXTUREACCESS_STREAMING,
data->size.width,
data->size.height);
if (SDL_LockTexture(data->texture, NULL, &d, &data->stride) < 0) {
pw_stream_set_error(stream, -EINVAL, "invalid texture format");
return;
}
SDL_UnlockTexture(data->texture);
switch(sdl_format) {
case SDL_PIXELFORMAT_YV12:
case SDL_PIXELFORMAT_IYUV:
data->stride = data->size.width;
size = (data->stride * data->size.height) * 3 / 2;
data->is_yuv = true;
blocks = 3;
break;
case SDL_PIXELFORMAT_YUY2:
data->stride = data->size.width * 2;
size = data->stride * data->size.height;
data->is_yuv = true;
blocks = 1;
break;
default:
if (SDL_LockTexture(data->texture, NULL, &d, &data->stride) < 0) {
data->stride = data->size.width * 2;
}
else
SDL_UnlockTexture(data->texture);
size = data->stride * data->size.height;
blocks = 1;
break;
}
@ -410,7 +420,7 @@ 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)));

33
src/examples/video-play.c
View file

@ -181,23 +181,21 @@ on_process(void *_data)
void *datas[4];
sstride = data->stride;
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);
SDL_UpdateTexture(data->texture, NULL,
sdata, sstride);
} 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);
}
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) {
fprintf(stderr, "Couldn't lock texture: %s\n", SDL_GetError());
goto done;
}
sstride = buf->datas[0].chunk->stride;
@ -355,21 +353,26 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
SDL_TEXTUREACCESS_STREAMING,
data->size.width,
data->size.height);
if (SDL_LockTexture(data->texture, NULL, &d, &data->stride) < 0) {
fprintf(stderr, "Couldn't lock texture: %s\n", SDL_GetError());
pw_stream_set_error(stream, -EINVAL, "invalid format");
return;
}
SDL_UnlockTexture(data->texture);
switch(sdl_format) {
case SDL_PIXELFORMAT_YV12:
case SDL_PIXELFORMAT_IYUV:
data->stride = data->size.width;
size = (data->stride * data->size.height) * 3 / 2;
data->is_yuv = true;
blocks = 3;
break;
case SDL_PIXELFORMAT_YUY2:
data->is_yuv = true;
data->stride = data->size.width * 2;
size = (data->stride * data->size.height);
blocks = 1;
break;
default:
if (SDL_LockTexture(data->texture, NULL, &d, &data->stride) < 0) {
fprintf(stderr, "Couldn't lock texture: %s\n", SDL_GetError());
data->stride = data->size.width * 2;
} else
SDL_UnlockTexture(data->texture);
size = data->stride * data->size.height;
blocks = 1;
break;

2
src/examples/video-src.c
View file

@ -172,7 +172,7 @@ static void on_stream_state_changed(void *_data, enum pw_stream_state old, enum
{
struct data *data = _data;
printf("stream state: \"%s\"\n", pw_stream_state_as_string(state));
printf("stream state: \"%s\" %s\n", pw_stream_state_as_string(state), error ? error : "");
switch (state) {
case PW_STREAM_STATE_ERROR: