H.264视频格式支持两种不同的色彩空间:YUV420p和YUV420sp。 YUV420p: YUV420p是一种常见的YUV格式,其中“Y”表示亮度(Luma),而“U”和“V”表示色度(Chroma)。在YUV420p中,每个像素的亮度信息都是独立存储的,而色度信息则以4x4的块为单位进行存储。这种格式的优势在于它的兼容性和易于处理。YUV420p常用于视...
YUV,分为三个分量，“Y”表示明亮度，也就是灰度值；“U”和”V”表示的则是色度，作用是描述影像...
jbyteArray yuv420spRet= (*env)->NewByteArray(env, (*env)->GetArrayLength(env, yuv420p_)); jbyte*yuv420sp = (*env)->GetByteArrayElements(env, yuv420spRet, NULL);inti, j;inty_size = width *height; unsignedchar*y =yuv420sp; unsignedchar*vu = yuv420sp +y_size; unsignedchar*y...
jbyteArray yuv420spRet= (*env)->NewByteArray(env, (*env)->GetArrayLength(env, yuv420p_)); jbyte*yuv420sp = (*env)->GetByteArrayElements(env, yuv420spRet, NULL);inti, j;inty_size = width *height; unsignedchar*y =yuv420sp; unsignedchar*vu = yuv420sp +y_size; unsignedchar*y...