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openh264enc: Properly drain the encoder on ::finish()

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This commit is contained in:
Sebastian Dröge 2014-10-02 15:22:14 +03:00
parent 8aedcc6bde
commit 10475b6793
1 changed files with 80 additions and 53 deletions
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133
ext/openh264/gstopenh264enc.cpp
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@ -101,6 +101,7 @@ static gboolean gst_openh264enc_stop(GstVideoEncoder *encoder);
static gboolean gst_openh264enc_set_format(GstVideoEncoder *encoder, GstVideoCodecState *state);
static GstFlowReturn gst_openh264enc_handle_frame(GstVideoEncoder *encoder,
GstVideoCodecFrame *frame);
static GstFlowReturn gst_openh264enc_finish (GstVideoEncoder *encoder);
static gboolean gst_openh264enc_propose_allocation (GstVideoEncoder * encoder, GstQuery * query);
static void gst_openh264enc_set_usage_type (GstOpenh264Enc *openh264enc, gint usage_type);
static void gst_openh264enc_set_rate_control (GstOpenh264Enc *openh264enc, gint rc_mode);
@ -191,6 +192,7 @@ static void gst_openh264enc_class_init(GstOpenh264EncClass *klass)
video_encoder_class->set_format = GST_DEBUG_FUNCPTR(gst_openh264enc_set_format);
video_encoder_class->handle_frame = GST_DEBUG_FUNCPTR(gst_openh264enc_handle_frame);
video_encoder_class->propose_allocation = GST_DEBUG_FUNCPTR(gst_openh264enc_propose_allocation);
video_encoder_class->finish = GST_DEBUG_FUNCPTR(gst_openh264enc_finish);
/* define properties */
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_USAGE_TYPE,
@ -572,77 +574,98 @@ static GstFlowReturn gst_openh264enc_handle_frame(GstVideoEncoder *encoder, GstV
gfloat fps;
GstVideoEncoder *base_encoder = GST_VIDEO_ENCODER(openh264enc);
src_pic = new SSourcePicture;
if (src_pic == NULL) {
gst_video_codec_frame_unref(frame);
return GST_FLOW_ERROR;
if (frame) {
src_pic = new SSourcePicture;
if (src_pic == NULL) {
if (frame)
gst_video_codec_frame_unref(frame);
return GST_FLOW_ERROR;
}
//fill default src_pic
src_pic->iColorFormat = videoFormatI420;
src_pic->uiTimeStamp = 0;
}
//fill default src_pic
src_pic->iColorFormat = videoFormatI420;
src_pic->uiTimeStamp = 0;
openh264enc->priv->frame_count++;
if (G_UNLIKELY(openh264enc->priv->frame_count == 1)) {
openh264enc->priv->time_per_frame = (GST_NSECOND / openh264enc->priv->framerate);
openh264enc->priv->previous_timestamp = frame->pts;
} else {
openh264enc->priv->time_per_frame = openh264enc->priv->time_per_frame * 0.8 +
(frame->pts - openh264enc->priv->previous_timestamp) * 0.2;
openh264enc->priv->previous_timestamp = frame->pts;
if (openh264enc->priv->frame_count % 10 == 0) {
fps = GST_SECOND/(gdouble)openh264enc->priv->time_per_frame;
openh264enc->priv->encoder->SetOption(ENCODER_OPTION_FRAME_RATE, &fps);
if (frame) {
if (G_UNLIKELY(openh264enc->priv->frame_count == 1)) {
openh264enc->priv->time_per_frame = (GST_NSECOND / openh264enc->priv->framerate);
openh264enc->priv->previous_timestamp = frame->pts;
} else {
openh264enc->priv->time_per_frame = openh264enc->priv->time_per_frame * 0.8 +
(frame->pts - openh264enc->priv->previous_timestamp) * 0.2;
openh264enc->priv->previous_timestamp = frame->pts;
if (openh264enc->priv->frame_count % 10 == 0) {
fps = GST_SECOND/(gdouble)openh264enc->priv->time_per_frame;
openh264enc->priv->encoder->SetOption(ENCODER_OPTION_FRAME_RATE, &fps);
}
}
}
if (openh264enc->priv->bitrate <= openh264enc->priv->drop_bitrate) {
GST_LOG_OBJECT(openh264enc, "Dropped frame due to too low bitrate");
gst_video_encoder_finish_frame(encoder, frame);
if (src_pic != NULL) delete src_pic;
if (frame) {
gst_video_encoder_finish_frame(encoder, frame);
delete src_pic;
}
return GST_FLOW_OK;
}
gst_video_frame_map(&video_frame, &openh264enc->priv->input_state->info, frame->input_buffer, GST_MAP_READ);
src_pic->iPicWidth = GST_VIDEO_FRAME_WIDTH(&video_frame);
src_pic->iPicHeight = GST_VIDEO_FRAME_HEIGHT(&video_frame);
src_pic->iStride[0] = GST_VIDEO_FRAME_COMP_STRIDE(&video_frame, 0);
src_pic->iStride[1] = GST_VIDEO_FRAME_COMP_STRIDE(&video_frame, 1);
src_pic->iStride[2] = GST_VIDEO_FRAME_COMP_STRIDE(&video_frame, 2);
src_pic->pData[0] = GST_VIDEO_FRAME_COMP_DATA(&video_frame, 0);
src_pic->pData[1] = GST_VIDEO_FRAME_COMP_DATA(&video_frame, 1);
src_pic->pData[2] = GST_VIDEO_FRAME_COMP_DATA(&video_frame, 2);
if (frame) {
gst_video_frame_map(&video_frame, &openh264enc->priv->input_state->info, frame->input_buffer, GST_MAP_READ);
src_pic->iPicWidth = GST_VIDEO_FRAME_WIDTH(&video_frame);
src_pic->iPicHeight = GST_VIDEO_FRAME_HEIGHT(&video_frame);
src_pic->iStride[0] = GST_VIDEO_FRAME_COMP_STRIDE(&video_frame, 0);
src_pic->iStride[1] = GST_VIDEO_FRAME_COMP_STRIDE(&video_frame, 1);
src_pic->iStride[2] = GST_VIDEO_FRAME_COMP_STRIDE(&video_frame, 2);
src_pic->pData[0] = GST_VIDEO_FRAME_COMP_DATA(&video_frame, 0);
src_pic->pData[1] = GST_VIDEO_FRAME_COMP_DATA(&video_frame, 1);
src_pic->pData[2] = GST_VIDEO_FRAME_COMP_DATA(&video_frame, 2);
force_keyframe = GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME(frame);
if (force_keyframe) {
openh264enc->priv->encoder->ForceIntraFrame(true);
GST_DEBUG_OBJECT(openh264enc,"Got force key unit event, next frame coded as intra picture");
force_keyframe = GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME(frame);
if (force_keyframe) {
openh264enc->priv->encoder->ForceIntraFrame(true);
GST_DEBUG_OBJECT(openh264enc,"Got force key unit event, next frame coded as intra picture");
}
}
memset (&frame_info, 0, sizeof (SFrameBSInfo));
ret = openh264enc->priv->encoder->EncodeFrame(src_pic, &frame_info);
if (ret != cmResultSuccess) {
gst_video_frame_unmap(&video_frame);
GST_ELEMENT_ERROR(openh264enc, STREAM, ENCODE, ("Could not encode frame"), ("Openh264 returned %d", ret));
gst_video_codec_frame_unref(frame);
if (src_pic != NULL) delete src_pic;
return GST_FLOW_ERROR;
if (frame) {
gst_video_frame_unmap(&video_frame);
gst_video_codec_frame_unref(frame);
delete src_pic;
GST_ELEMENT_ERROR(openh264enc, STREAM, ENCODE, ("Could not encode frame"), ("Openh264 returned %d", ret));
return GST_FLOW_ERROR;
} else {
return GST_FLOW_EOS;
}
}
if (videoFrameTypeSkip == frame_info.eFrameType) {
gst_video_frame_unmap(&video_frame);
gst_video_encoder_finish_frame(base_encoder, frame);
if (src_pic != NULL) delete src_pic;
if (frame) {
gst_video_frame_unmap(&video_frame);
gst_video_encoder_finish_frame(base_encoder, frame);
delete src_pic;
}
return GST_FLOW_OK;
}
gst_video_codec_frame_unref(frame);
if (frame) {
gst_video_frame_unmap(&video_frame);
gst_video_codec_frame_unref(frame);
delete src_pic;
src_pic = NULL;
frame = NULL;
}
frame = gst_video_encoder_get_oldest_frame(base_encoder);
if (!frame) {
gst_video_frame_unmap(&video_frame);
GST_ELEMENT_ERROR(openh264enc, STREAM, ENCODE, ("Could not encode frame"), ("openh264enc returned %d", ret));
gst_video_codec_frame_unref(frame);
if (src_pic != NULL) delete src_pic;
return GST_FLOW_ERROR;
}
@ -697,14 +720,18 @@ static GstFlowReturn gst_openh264enc_handle_frame(GstVideoEncoder *encoder, GstV
GST_LOG_OBJECT(openh264enc, "openh264 picture %scoded OK!", (ret != cmResultSuccess) ? "NOT " : "");
gst_video_frame_unmap(&video_frame);
if (ret == cmResultSuccess) {
gst_video_encoder_finish_frame(encoder, frame);
} else {
gst_video_codec_frame_unref(frame);
GST_ELEMENT_ERROR(openh264enc, STREAM, ENCODE, ("Could not encode frame"), ("openh264enc returned %d", ret));
}
return (ret == cmResultSuccess) ? GST_FLOW_OK : GST_FLOW_ERROR;
return gst_video_encoder_finish_frame(encoder, frame);
}
static GstFlowReturn gst_openh264enc_finish (GstVideoEncoder *encoder)
{
GstOpenh264Enc *openh264enc = GST_OPENH264ENC(encoder);
if (openh264enc->priv->frame_count == 0)
return GST_FLOW_OK;
/* Drain encoder */
while ((gst_openh264enc_handle_frame (encoder, NULL)) == GST_FLOW_OK);
return GST_FLOW_OK;
}