While I don’t want to balloon this blog post with a detailed description of H.264, a little background is in order. I was able to do it in about 30 lines of code - although truth in advertising compels me to admit that it doesn’t actually compress the video at all!
But all that sophistication comes at a price: H.264 also has a big, complicated specification with a plethora of options, many of which are not commonly used, and it takes expertise to understand which parts are important to solve a given problem.Īs a bit of a parlor trick, I decided to write the simplest possible H.264 encoder. H.264 a much more sophisticated codec than MPEG-2, which means that a well-implemented H.264 encoder has more compression tools at its disposal than the equivalent MPEG-2 encoder. + * Author: Yunfei Dong + */ + +#include "vdec_h264_req_common.Recently I have been studying the H.264 video codec and reading the ISO spec. X-Mailing-List: mtk-vcodec: support for MT8192 decoderĭiff -git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile index 359619653a0e.3f41d748eee5 100644 - a/drivers/media/platform/mtk-vcodec/Makefile +++ b/drivers/media/platform/mtk-vcodec/Makefile -9,6 +9,7 mtk-vcodec-dec-y := vdec/vdec_h264_if.o \ĭiff -git a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_common.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_common.c Subject: media: mtk-vcodec: Extract H264 common codeĬontent-Type: text/plain charset=US-ASCII Received: from localhost.localdomain (10.17.3.154) by
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