SmartBench/cmvr-es
8
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix(camera): set QSV decoder packet timebase

Browse Source
This commit is contained in:
linbo 2026-08-12 16:58:08 +08:00
parent 41d8482faf
commit 69b96cb60b
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
cmvr-es/devices/camera/uvc_camera/src/uvc_camera.cpp
View File

@ -430,6 +430,15 @@ bool UVCCamera::open_capture_()
} }
result = avcodec_parameters_to_context(capture_decoder_context_, video_stream->codecpar); result = avcodec_parameters_to_context(capture_decoder_context_, video_stream->codecpar);
if (result >= 0) {
const AVRational stream_time_base = video_stream->time_base;
capture_decoder_context_->pkt_timebase =
stream_time_base.num > 0 && stream_time_base.den > 0
? stream_time_base
: AVRational{1, AV_TIME_BASE};
capture_decoder_context_->framerate = av_guess_frame_rate(
capture_format_context_, video_stream, nullptr);
}
if (result >= 0) { if (result >= 0) {
AVBufferRef* vaapi_device_context = nullptr; AVBufferRef* vaapi_device_context = nullptr;
result = av_hwdevice_ctx_create( result = av_hwdevice_ctx_create(
@ -473,6 +482,8 @@ bool UVCCamera::open_capture_()
<< ", hardware_device=qsv" << ", hardware_device=qsv"
<< ", width=" << capture_decoder_context_->width << ", width=" << capture_decoder_context_->width
<< ", height=" << capture_decoder_context_->height << ", height=" << capture_decoder_context_->height
<< ", packet_time_base=" << capture_decoder_context_->pkt_timebase.num
<< "/" << capture_decoder_context_->pkt_timebase.den
<< ", requested_fps=" << fps_; << ", requested_fps=" << fps_;
return true; return true;
} }