h264 encode and decode success

最新推荐文章于 2024-06-28 23:39:29 发布

Yantai666

最新推荐文章于 2024-06-28 23:39:29 发布

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分类专栏：软件技术

本文链接：https://blog.youkuaiyun.com/shell_albert/article/details/45535385

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这篇博客记录了H264编码和解码的过程。通过QThread进行帧处理，将YUV数据编码为H264，然后写入FIFO。编码过程中使用x264库，显示了编码参数和质量。解码成功后，得到640x480的图像数据。

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QThread(0x1d66740) captured: 614400
bufindex: 0
CaptureThread:put a new frame to yuvFIFO
307200 153600 153600
H264Encoder: QThread(0x1d66620) get a frame from fifo: 307200 153600 153600
x264 [warning]: ref > 1 + intra-refresh is not supported
x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.1 Cache64
x264 [info]: profile High, level 3.0
x264_encoder_encode()= 0
zero frame
x264 [debug]: frame=   0 QP=26.12 NAL=3 Slice:I Poc:0   I:1200 P:0    SKIP:0    size=8631 bytes
write h264 to h264 FIFO: 8631
x264 [info]: frame I:1     Avg QP:26.12 size: 8631
x264 [info]: mb I I16..4: 31.5% 61.2% 7.3%
x264 [info]: 8x8 transform intra:61.2%
x264 [info]: coded y,uvDC,uvAC intra: 46.7% 87.1% 55.4%
x264 [info]: i16 v,h,dc,p: 4% 49% 2% 45%
x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 29% 14% 5% 6% 8% 6% 6% 7%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 36% 21% 12% 2% 7% 10% 4% 6% 2%
x264 [info]: i8c dc,h,v,p: 59% 20% 17% 4%
x264 [info]: kb/s:1726.20
h264 fifo count: 1
decode:get a frame from h264 fifo: 8631
decoder finish:ret= 8631 ,finish= 0
decode success: 640 480
YUVFIFO is empty,wait...
decoder finish: y u v size: 307200 76800 76800
H264FIFO is empty,wait...
QThread(0x1d66740) captured: 614400
bufindex: 0
CaptureThread:put a new frame to yuvFIFO
307200 153600 153600
H264Encoder: QThread(0x1d66620) get a frame from fifo: 307200 153600 153600
x264 [warning]: ref > 1 + intra-refresh is not supported
x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.1 Cache64
x264 [info]: profile High, level 3.0
x264_encoder_encode()= 0
zero frame
x264 [debug]: frame=   0 QP=26.11 NAL=3 Slice:I Poc:0   I:1200 P:0    SKIP:0    size=8627 bytes
write h264 to h264 FIFO: 8627
x264 [info]: frame I:1     Avg QP:26.11 size: 8627
x264 [info]: mb I I16..4: 32.6% 58.8% 8.6%
x264 [info]: 8x8 transform intra:58.8%
x264 [info]: coded y,uvDC,uvAC intra: 47.7% 85.6% 55.6%
x264 [info]: i16 v,h,dc,p: 4% 50% 2% 45%
x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 28% 15% 5% 6% 9% 6% 7% 8%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 23% 11% 5% 9% 9% 4% 6% 3%
x264 [info]: i8c dc,h,v,p: 59% 20% 16% 4%
x264 [info]: kb/s:1725.40
h264 fifo count: 1
decode:get a frame from h264 fifo: 8627
decoder finish:ret= 8627 ,finish= 0
decode success: 640 480
YUVFIFO is empty,wait...
decoder finish: y u v size: 307200 76800 76800
H264FIFO is empty,wait...
QThread(0x1d66740) captured: 614400
bufindex: 0
CaptureThread:put a new frame to yuvFIFO
307200 153600 153600
H264Encoder: QThread(0x1d66620) get a frame from fifo: 307200 153600 153600
x264 [warning]: ref > 1 + intra-refresh is not supported
x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.1 Cache64
x264 [info]: profile High, level 3.0
x264_encoder_encode()= 0
zero frame
x264 [debug]: frame=   0 QP=26.18 NAL=3 Slice:I Poc:0   I:1200 P:0    SKIP:0    size=8335 bytes
write h264 to h264 FIFO: 8335
x264 [info]: frame I:1     Avg QP:26.18 size: 8335
x264 [info]: mb I I16..4: 32.2% 60.8% 6.9%
x264 [info]: 8x8 transform intra:60.8%
x264 [info]: coded y,uvDC,uvAC intra: 46.1% 83.7% 50.8%
x264 [info]: i16 v,h,dc,p: 3% 47% 3% 47%
x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 29% 14% 5% 6% 8% 6% 7% 7%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 31% 26% 13% 3% 8% 9% 5% 3% 3%
x264 [info]: i8c dc,h,v,p: 59% 22% 15% 3%
x264 [info]: kb/s:1667.00
h264 fifo count: 1
decode:get a frame from h264 fifo: 8335
decoder finish:ret= 8335 ,finish= 0
decode success: 640 480
YUVFIFO is empty,wait...
decoder finish: y u v size: 307200 76800 76800
H264FIFO is empty,wait...
QThread(0x1d66740) captured: 614400
bufindex: 0
CaptureThread:put a new frame to yuvFIFO
307200 153600 153600
H264Encoder: QThread(0x1d66620) get a frame from fifo: 307200 153600 153600
x264 [warning]: ref > 1 + intra-refresh is not supported
x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.1 Cache64
x264 [info]: profile High, level 3.0
x264_encoder_encode()= 0
zero frame
x264 [debug]: frame=   0 QP=26.16 NAL=3 Slice:I Poc:0   I:1200 P:0    SKIP:0    size=8656 bytes
write h264 to h264 FIFO: 8656
x264 [info]: frame I:1     Avg QP:26.16 size: 8656
x264 [info]: mb I I16..4: 33.0% 58.2% 8.8%
x264 [info]: 8x8 transform intra:58.2%
x264 [info]: coded y,uvDC,uvAC intra: 47.0% 86.4% 56.0%
x264 [info]: i16 v,h,dc,p: 5% 53% 1% 41%
x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 30% 12% 5% 6% 7% 6% 7% 8%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 35% 21% 11% 4% 8% 10% 4% 4% 3%
x264 [info]: i8c dc,h,v,p: 59% 22% 16% 3%
x264 [info]: kb/s:1731.20
h264 fifo count: 1
decode:get a frame from h264 fifo: 8656
YUVFIFO is empty,wait...
decoder finish:ret= 8656 ,finish= 0
decode success: 640 480
decoder finish: y u v size: 307200 76800 76800
H264FIFO is empty,wait...
QThread(0x1d66740) captured: 614400
bufindex: 0
CaptureThread:put a new frame to yuvFIFO
307200 153600 153600
H264Encoder: QThread(0x1d66620) get a frame from fifo: 307200 153600 153600
x264 [warning]: ref > 1 + intra-refresh is not supported
x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.1 Cache64
x264 [info]: profile High, level 3.0
x264_encoder_encode()= 0
zero frame
x264 [debug]: frame=   0 QP=26.16 NAL=3 Slice:I Poc:0   I:1200 P:0    SKIP:0    size=8609 bytes
write h264 to h264 FIFO: 8609
x264 [info]: frame I:1     Avg QP:26.16 size: 8609
x264 [info]: mb I I16..4: 34.1% 56.7% 9.2%
x264 [info]: 8x8 transform intra:56.7%
x264 [info]: coded y,uvDC,uvAC intra: 45.8% 85.9% 55.4%
x264 [info]: i16 v,h,dc,p: 4% 51% 1% 44%
x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 29% 13% 5% 6% 9% 7% 7% 7%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 35% 22% 10% 4% 7% 11% 3% 5% 2%
x264 [info]: i8c dc,h,v,p: 61% 20% 15% 3%
x264 [info]: kb/s:1721.80
h264 fifo count: 1
decode:get a frame from h264 fifo: 8609
YUVFIFO is empty,wait...
decoder finish:ret= 8609 ,finish= 0
decode success: 640 480
decoder finish: y u v size: 307200 76800 76800
H264FIFO is empty,wait...