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Add detecting target pixfmt and if rgb0 is supported, use it to do the transfer direct to the Image.

This commit is contained in:
Isaac Connor 2021-01-11 13:36:51 -05:00
parent e1f6f5984d
commit 1b1438bf7a
1 changed files with 79 additions and 9 deletions
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84
src/zm_packet.cpp
View File

@ -23,6 +23,7 @@
#include <sys/time.h>
using namespace std;
AVPixelFormat target_format = AV_PIX_FMT_NONE;
ZMPacket::ZMPacket() :
keyframe(0),
@ -77,14 +78,32 @@ ZMPacket::~ZMPacket() {
delete analysis_image;
analysis_image = nullptr;
}
if ( image and !image->IsBufferHeld() ) {
if ( image ) {
delete image;
}
image = nullptr;
}
if ( timestamp ) {
delete timestamp;
timestamp = nullptr;
}
#if 0
if ( image ) {
if ( image->IsBufferHeld() ) {
// Don't free the mmap'd image
} else {
delete image;
image = nullptr;
delete timestamp;
timestamp = nullptr;
}
} else {
if ( timestamp ) {
delete timestamp;
timestamp = nullptr;
}
}
#endif
}
// deprecated
@ -134,11 +153,54 @@ int ZMPacket::decode(AVCodecContext *ctx) {
#if HAVE_LIBAVUTIL_HWCONTEXT_H
#if LIBAVCODEC_VERSION_CHECK(57, 89, 0, 89, 0)
if ( (ctx->pix_fmt != in_frame->format) ) {
Debug(1, "Have different format. Assuming hwaccel");
if ( (ctx->sw_pix_fmt != in_frame->format) ) {
Debug(1, "Have different format %s != %s.",
av_get_pix_fmt_name(ctx->pix_fmt),
av_get_pix_fmt_name(ctx->sw_pix_fmt)
);
if ( target_format == AV_PIX_FMT_NONE and ctx->hw_frames_ctx ) {
enum AVPixelFormat *formats;
if ( 0 <= av_hwframe_transfer_get_formats(
ctx->hw_frames_ctx,
AV_HWFRAME_TRANSFER_DIRECTION_FROM,
&formats,
0
) ) {
for (int i = 0; formats[i] != AV_PIX_FMT_NONE; i++) {
Debug(1, "Available dest formats %d %s",
formats[i],
av_get_pix_fmt_name(formats[i])
);
if ( formats[i] == AV_PIX_FMT_RGB0 ) {
target_format = formats[i];
//break;
} // endif RGB0
} // end foreach support format
av_freep(&formats);
} // endif success getting list of formats
} // end if target_format not set
AVFrame *new_frame = zm_av_frame_alloc();
if ( target_format != AV_PIX_FMT_NONE ) {
if ( 1 and image ) {
if ( 0 > image->PopulateFrame(new_frame) ) {
delete new_frame;
new_frame = zm_av_frame_alloc();
delete image;
image = nullptr;
}
} else {
delete image;
image = nullptr;
}
new_frame->format = target_format;
}
/* retrieve data from GPU to CPU */
ret = av_hwframe_transfer_data(in_frame, new_frame, 0);
zm_dump_video_frame(in_frame, "Before hwtransfer");
ret = av_hwframe_transfer_data(new_frame, in_frame, 0);
if ( ret < 0 ) {
Error("Unable to transfer frame: %s, continuing",
av_make_error_string(ret).c_str());
@ -146,11 +208,19 @@ int ZMPacket::decode(AVCodecContext *ctx) {
av_frame_free(&new_frame);
return 0;
}
zm_dump_video_frame(new_frame, "After hwtransfer");
new_frame->pts = in_frame->pts;
zm_dump_video_frame(new_frame, "After hwtransfer");
if ( new_frame->format == AV_PIX_FMT_RGB0 ) {
new_frame->format = AV_PIX_FMT_RGBA;
zm_dump_video_frame(new_frame, "After hwtransfer setting to rgba");
}
av_frame_free(&in_frame);
in_frame = new_frame;
} else {
Debug(2, "Same pix format %s so not hwtransferring. sw_pix_fmt is %s",
av_get_pix_fmt_name(ctx->pix_fmt),
av_get_pix_fmt_name(ctx->sw_pix_fmt)
);
}
#endif
#endif