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example: fix buffer size calculation

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This commit is contained in:
Wim Taymans 2020-03-18 17:23:14 +01:00
parent b6dde8d76f
commit 13d66df2df
1 changed files with 5 additions and 2 deletions
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7
src/examples/video-play.c
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@ -275,6 +275,7 @@ 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;
/* NULL means to clear the format */
if (param == NULL || id != SPA_PARAM_Format)
@ -296,6 +297,7 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
sdl_format = id_to_sdl_format(data->format.info.raw.format);
data->size = SPA_RECTANGLE(data->format.info.raw.size.width,
data->format.info.raw.size.height);
mult = 1;
break;
case SPA_MEDIA_SUBTYPE_dsp:
spa_format_video_dsp_parse(param, &data->format.info.dsp);
@ -304,6 +306,7 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
sdl_format = SDL_PIXELFORMAT_RGBA32;
data->size = SPA_RECTANGLE(data->position->video.size.width,
data->position->video.size.height);
mult = 4;
break;
default:
sdl_format = SDL_PIXELFORMAT_UNKNOWN;
@ -334,8 +337,8 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
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_size, SPA_POD_Int(data->stride * data->size.height),
SPA_PARAM_BUFFERS_stride, SPA_POD_Int(data->stride),
SPA_PARAM_BUFFERS_size, SPA_POD_Int(data->stride * mult * data->size.height),
SPA_PARAM_BUFFERS_stride, SPA_POD_Int(data->stride * mult),
SPA_PARAM_BUFFERS_align, SPA_POD_Int(16));
/* a header metadata with timing information */