On 16/04/2025 08:12, Shiqi Zhu wrote:
h264bsd url https://github.com/oneam/h264bsd ./configure --enable-decoder="h264_bsd" --extra-cflags="-I<path>/h264bsd/src" --extra-ldflags="-L<path>/h264bsd/posix/lib" --extra-libs="-lh264bsd" Test ./ffmpeg -y -codec:v h264_bsd -i <path>/h264bsd/test/test_640x360.h264 ./test_640x360.yuv
Yes, but we already have the best and fastest H264 decoder out there, and (for no more than a year or so, until its patents expire and its made redundant), an libopenh264 backend.
Signed-off-by: Shiqi Zhu <hiccup...@gmail.com>
---
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/h264bsd_dec.c | 183 +++++++++++++++++++++++++++++++++++++++
3 files changed, 185 insertions(+)
create mode 100644 libavcodec/h264bsd_dec.c
+
+const FFCodec ff_h264_bsd_decoder = {
+ .p.name = "h264_bsd",
+ CODEC_LONG_NAME("h264bsd video decoder for ffmpeg"),
+ .p.type = AVMEDIA_TYPE_VIDEO,
+ .p.id = AV_CODEC_ID_H264,
+ .priv_data_size = sizeof(DecodeContext),
+ .init = h264_bsd_init_decoder,
+ .close = h264_bsd_close_decoder,
+ FF_CODEC_DECODE_CB(h264_bsd_decode_frame),
+ .flush = h264_bsd_flush,
+ .p.priv_class = &h264_bsd_dec_class,
+ .bsfs = "h264_mp4toannexb",
+ .p.capabilities = AV_CODEC_CAP_DELAY,
+ .p.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE },
+ .p.wrapper_name = "ff_h264_bsd_decoder",
+ .caps_internal = FF_CODEC_CAP_EXPORTS_CROPPING,
+};
\ No newline at end of file
^^
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