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Update SPS fixup code to match current Qt/Android version

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This commit is contained in:
Cameron Gutman 2021-07-24 07:39:03 -05:00
parent 615ed824ac
commit fc44f010f8
2 changed files with 10 additions and 7 deletions
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13
libgamestream/sps.c
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@ -48,14 +48,16 @@ void gs_sps_fix(PLENTRY sps, int flags, uint8_t* out_buf, uint32_t* out_offset)
// GFE 2.5.11 changed the SPS to add additional extensions
// Some devices don't like these so we remove them here.
h264_stream->sps->vui.video_signal_type_present_flag = 0;
h264_stream->sps->vui.chroma_loc_info_present_flag = 0;
if (flags & GS_SPS_REMOVE_VST_FIXUP)
h264_stream->sps->vui.video_signal_type_present_flag = 0;
if (flags & GS_SPS_REMOVE_CLI_FIXUP)
h264_stream->sps->vui.chroma_loc_info_present_flag = 0;
if ((flags & GS_SPS_BITSTREAM_FIXUP) == GS_SPS_BITSTREAM_FIXUP) {
// The SPS that comes in the current H264 bytestream doesn't set the bitstream_restriction_flag
// or the max_dec_frame_buffering which increases decoding latency on some devices
// or the max_dec_frame_buffering which increases decoding latency on some devices.
// log2_max_mv_length_horizontal and log2_max_mv_length_vertical are set to more
// conservite values by GFE 25.11. We'll let those values stand.
// conservative values by GFE 2.5.11. We'll let those values stand.
if (!h264_stream->sps->vui.bitstream_restriction_flag) {
h264_stream->sps->vui.bitstream_restriction_flag = 1;
h264_stream->sps->vui.motion_vectors_over_pic_boundaries_flag = 1;
@ -72,8 +74,7 @@ void gs_sps_fix(PLENTRY sps, int flags, uint8_t* out_buf, uint32_t* out_offset)
// than what GFE sends in 2.5.11, but it doesn't seem to cause picture problems.
h264_stream->sps->vui.max_bytes_per_pic_denom = 2;
h264_stream->sps->vui.max_bits_per_mb_denom = 1;
} else // Devices that didn't/couldn't get bitstream restrictions before GFE 2.5.11 will continue to not receive them now
h264_stream->sps->vui.bitstream_restriction_flag = 0;
}
memcpy(out_buf+*out_offset, naluHeader, 4);
*out_offset += 4;

4
libgamestream/sps.h
View File

@ -19,7 +19,9 @@
#include <Limelight.h>
#define GS_SPS_BITSTREAM_FIXUP 0x01
#define GS_SPS_BITSTREAM_FIXUP 0x01
#define GS_SPS_REMOVE_VST_FIXUP 0x02
#define GS_SPS_REMOVE_CLI_FIXUP 0x04
void gs_sps_init(int width, int height);
void gs_sps_fix(PLENTRY sps, int flags, uint8_t* out_buf, uint32_t* out_offset);