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force h264 keyframe on slowdown

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This commit is contained in:
Devaev Maxim
2021-01-11 14:36:41 +03:00
parent d95a6ad0b0
commit d807f9fa87
3 changed files with 16 additions and 10 deletions
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4
src/ustreamer/h264/encoder.c
View File

@@ -256,7 +256,7 @@ static void _h264_encoder_cleanup(h264_encoder_s *enc) {
enc->ready = false;
}
int h264_encoder_compress(h264_encoder_s *enc, const frame_s *src, int src_vcsm_handle, frame_s *dest) {
int h264_encoder_compress(h264_encoder_s *enc, const frame_s *src, int src_vcsm_handle, frame_s *dest, bool force_key) {
assert(enc->ready);
assert(src->used > 0);
assert(enc->width == src->width);
@@ -269,7 +269,7 @@ int h264_encoder_compress(h264_encoder_s *enc, const frame_s *src, int src_vcsm_
dest->format = V4L2_PIX_FMT_H264;
dest->stride = 0;
bool force_key = (enc->last_online != src->online);
force_key = (force_key || enc->last_online != src->online);
if (_h264_encoder_compress_raw(enc, src, src_vcsm_handle, dest, force_key) < 0) {
_h264_encoder_cleanup(enc);

2
src/ustreamer/h264/encoder.h
View File

@@ -67,4 +67,4 @@ void h264_encoder_destroy(h264_encoder_s *enc);
bool h264_encoder_is_prepared_for(h264_encoder_s *enc, const frame_s *frame, bool zero_copy);
int h264_encoder_prepare(h264_encoder_s *enc, const frame_s *frame, bool zero_copy);
int h264_encoder_compress(h264_encoder_s *enc, const frame_s *src, int src_vcsm_handle, frame_s *dest);
int h264_encoder_compress(h264_encoder_s *enc, const frame_s *src, int src_vcsm_handle, frame_s *dest, bool force_key);

20
src/ustreamer/stream.c
View File

@@ -30,7 +30,7 @@ static bool _stream_expose_frame(stream_s *stream, frame_s *frame, unsigned capt
#ifdef WITH_OMX
static h264_stream_s *_h264_stream_init(memsink_s *sink, unsigned bitrate, unsigned gop);
static void _h264_stream_destroy(h264_stream_s *h264);
static void _h264_stream_process(h264_stream_s *h264, const frame_s *frame, int vcsm_handle);
static void _h264_stream_process(h264_stream_s *h264, const frame_s *frame, int vcsm_handle, bool force_key);
#endif
@@ -118,8 +118,12 @@ void stream_loop(stream_s *stream) {
}
}
# ifdef WITH_OMX
bool h264_force_key = false;
# endif
if (stream->slowdown) {
for (unsigned slc = 0;
unsigned slc = 0;
while (
slc < 10
&& !atomic_load(&RUN(stop))
&& !atomic_load(&RUN(video->has_clients))
@@ -128,9 +132,11 @@ void stream_loop(stream_s *stream) {
# ifdef WITH_OMX
&& (RUN(h264) == NULL || /*RUN(h264->sink) == NULL ||*/ !RUN(h264->sink->has_clients))
# endif
; ++slc) {
) {
usleep(100000);
++slc;
}
h264_force_key = (slc == 10);
}
if (atomic_load(&RUN(stop))) {
@@ -194,7 +200,7 @@ void stream_loop(stream_s *stream) {
# ifdef WITH_OMX
if (RUN(h264)) {
_h264_stream_process(RUN(h264), &hw->raw, hw->vcsm_handle);
_h264_stream_process(RUN(h264), &hw->raw, hw->vcsm_handle, h264_force_key);
}
# endif
}
@@ -248,7 +254,7 @@ static workers_pool_s *_stream_init_loop(stream_s *stream) {
if (_stream_expose_frame(stream, NULL, 0)) {
# ifdef WITH_OMX
if (RUN(h264)) {
_h264_stream_process(RUN(h264), stream->blank, -1);
_h264_stream_process(RUN(h264), stream->blank, -1, false);
}
# endif
}
@@ -386,7 +392,7 @@ static void _h264_stream_destroy(h264_stream_s *h264) {
free(h264);
}
static void _h264_stream_process(h264_stream_s *h264, const frame_s *frame, int vcsm_handle) {
static void _h264_stream_process(h264_stream_s *h264, const frame_s *frame, int vcsm_handle, bool force_key) {
long double now = get_now_monotonic();
bool zero_copy = false;
@@ -413,7 +419,7 @@ static void _h264_stream_process(h264_stream_s *h264, const frame_s *frame, int
}
if (h264->enc->ready) {
if (h264_encoder_compress(h264->enc, frame, vcsm_handle, h264->dest) == 0) {
if (h264_encoder_compress(h264->enc, frame, vcsm_handle, h264->dest, force_key) == 0) {
memsink_server_put(h264->sink, h264->dest);
}
}