static GstBuffer *
theora_enc_buffer_from_header_packet (GstTheoraEnc * enc, ogg_packet * packet)
{
GstBuffer *outbuf;
outbuf =
gst_video_encoder_allocate_output_buffer (GST_VIDEO_ENCODER (enc),
packet->bytes);
gst_buffer_fill (outbuf, 0, packet->packet, packet->bytes);
GST_BUFFER_OFFSET (outbuf) = 0;
GST_BUFFER_OFFSET_END (outbuf) = 0;
GST_BUFFER_TIMESTAMP (outbuf) = GST_CLOCK_TIME_NONE;
GST_BUFFER_DURATION (outbuf) = GST_CLOCK_TIME_NONE;
GST_DEBUG ("created header packet buffer, %u bytes",
(guint) gst_buffer_get_size (outbuf));
return outbuf;
}
static GstFlowReturn
gst_vaapiencode_default_alloc_buffer (GstVaapiEncode * encode,
GstVaapiCodedBuffer * coded_buf, GstBuffer ** outbuf_ptr)
{
GstBuffer *buf;
gint32 buf_size;
g_return_val_if_fail (coded_buf != NULL, GST_FLOW_ERROR);
g_return_val_if_fail (outbuf_ptr != NULL, GST_FLOW_ERROR);
buf_size = gst_vaapi_coded_buffer_get_size (coded_buf);
if (buf_size <= 0)
goto error_invalid_buffer;
buf =
gst_video_encoder_allocate_output_buffer (GST_VIDEO_ENCODER_CAST (encode),
buf_size);
if (!buf)
goto error_create_buffer;
if (!gst_vaapi_coded_buffer_copy_into (buf, coded_buf))
goto error_copy_buffer;
*outbuf_ptr = buf;
return GST_FLOW_OK;
/* ERRORS */
error_invalid_buffer:
{
GST_ERROR ("invalid GstVaapiCodedBuffer size (%d bytes)", buf_size);
return GST_VAAPI_ENCODE_FLOW_MEM_ERROR;
}
error_create_buffer:
{
GST_ERROR ("failed to create output buffer of size %d", buf_size);
return GST_VAAPI_ENCODE_FLOW_MEM_ERROR;
}
error_copy_buffer:
{
GST_ERROR ("failed to copy GstVaapiCodedBuffer data");
gst_buffer_unref (buf);
return GST_VAAPI_ENCODE_FLOW_MEM_ERROR;
}
}
static GstFlowReturn
gst_amc_video_enc_handle_output_frame (GstAmcVideoEnc * self,
GstAmcBuffer * buf, const GstAmcBufferInfo * buffer_info,
GstVideoCodecFrame * frame)
{
GstFlowReturn flow_ret = GST_FLOW_OK;
GstVideoEncoder *encoder = GST_VIDEO_ENCODER_CAST (self);
/* The BUFFER_FLAG_CODEC_CONFIG logic is borrowed from
* gst-omx. see *_handle_output_frame in
* gstomxvideoenc.c and gstomxh264enc.c */
if ((buffer_info->flags & BUFFER_FLAG_CODEC_CONFIG)
&& buffer_info->size > 0) {
GstStructure *s;
GstVideoCodecState *state;
state = gst_video_encoder_get_output_state (encoder);
s = gst_caps_get_structure (state->caps, 0);
if (!strcmp (gst_structure_get_name (s), "video/x-h264")) {
gst_video_codec_state_unref (state);
if (buffer_info->size > 4 &&
GST_READ_UINT32_BE (buf->data + buffer_info->offset) == 0x00000001) {
GList *l = NULL;
GstBuffer *hdrs;
GST_DEBUG_OBJECT (self, "got codecconfig in byte-stream format");
hdrs = gst_buffer_new_and_alloc (buffer_info->size);
gst_buffer_fill (hdrs, 0, buf->data + buffer_info->offset,
buffer_info->size);
l = g_list_append (l, hdrs);
gst_video_encoder_set_headers (encoder, l);
}
} else {
GstBuffer *codec_data;
GST_DEBUG_OBJECT (self, "Handling codec data");
codec_data = gst_buffer_new_and_alloc (buffer_info->size);
gst_buffer_fill (codec_data, 0, buf->data + buffer_info->offset,
buffer_info->size);
state->codec_data = codec_data;
gst_video_codec_state_unref (state);
if (!gst_video_encoder_negotiate (encoder)) {
gst_video_codec_frame_unref (frame);
return GST_FLOW_NOT_NEGOTIATED;
}
return GST_FLOW_OK;
}
}
if (buffer_info->size > 0) {
GstBuffer *out_buf;
GstPad *srcpad;
srcpad = GST_VIDEO_ENCODER_SRC_PAD (encoder);
out_buf =
gst_video_encoder_allocate_output_buffer (encoder, buffer_info->size);
gst_buffer_fill (out_buf, 0, buf->data + buffer_info->offset,
buffer_info->size);
GST_BUFFER_PTS (out_buf) =
gst_util_uint64_scale (buffer_info->presentation_time_us, GST_USECOND,
1);
if (frame) {
frame->output_buffer = out_buf;
flow_ret = gst_video_encoder_finish_frame (encoder, frame);
} else {
/* This sometimes happens at EOS or if the input is not properly framed,
* let's handle it gracefully by allocating a new buffer for the current
* caps and filling it
*/
GST_ERROR_OBJECT (self, "No corresponding frame found");
flow_ret = gst_pad_push (srcpad, out_buf);
}
} else if (frame) {
flow_ret = gst_video_encoder_finish_frame (encoder, frame);
}
return flow_ret;
}
static GstFlowReturn
gst_openh264enc_handle_frame (GstVideoEncoder * encoder,
GstVideoCodecFrame * frame)
{
GstOpenh264Enc *openh264enc = GST_OPENH264ENC (encoder);
SSourcePicture *src_pic = NULL;
GstVideoFrame video_frame;
gboolean force_keyframe;
gint ret;
SFrameBSInfo frame_info;
gfloat fps;
GstMapInfo map;
gint i, j;
gsize buf_length = 0;
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 = frame->pts / GST_MSECOND;
}
openh264enc->frame_count++;
if (frame) {
if (G_UNLIKELY (openh264enc->frame_count == 1)) {
openh264enc->time_per_frame = (GST_SECOND / openh264enc->framerate);
openh264enc->previous_timestamp = frame->pts;
} else {
openh264enc->time_per_frame =
openh264enc->time_per_frame * 0.8 + (frame->pts -
openh264enc->previous_timestamp) * 0.2;
openh264enc->previous_timestamp = frame->pts;
if (openh264enc->frame_count % 10 == 0) {
fps = GST_SECOND / (gdouble) openh264enc->time_per_frame;
openh264enc->encoder->SetOption (ENCODER_OPTION_FRAME_RATE, &fps);
}
}
}
if (frame) {
gst_video_frame_map (&video_frame, &openh264enc->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->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->encoder->EncodeFrame (src_pic, &frame_info);
if (ret != cmResultSuccess) {
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) {
if (frame) {
gst_video_frame_unmap (&video_frame);
gst_video_encoder_finish_frame (encoder, frame);
delete src_pic;
}
return GST_FLOW_OK;
}
if (frame) {
gst_video_frame_unmap (&video_frame);
gst_video_codec_frame_unref (frame);
delete src_pic;
src_pic = NULL;
frame = NULL;
}
/* FIXME: openh264 has no way for us to get a connection
* between the input and output frames, we just have to
* guess based on the input */
frame = gst_video_encoder_get_oldest_frame (encoder);
if (!frame) {
GST_ELEMENT_ERROR (openh264enc, STREAM, ENCODE,
("Could not encode frame"), ("openh264enc returned %d", ret));
gst_video_codec_frame_unref (frame);
return GST_FLOW_ERROR;
}
if (videoFrameTypeIDR == frame_info.eFrameType) {
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
} else {
GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT (frame);
}
for (i = 0; i < frame_info.iLayerNum; i++) {
for (j = 0; j < frame_info.sLayerInfo[i].iNalCount; j++) {
buf_length += frame_info.sLayerInfo[i].pNalLengthInByte[j];
}
}
frame->output_buffer =
gst_video_encoder_allocate_output_buffer (encoder, buf_length);
gst_buffer_map (frame->output_buffer, &map, GST_MAP_WRITE);
buf_length = 0;
for (i = 0; i < frame_info.iLayerNum; i++) {
gsize layer_size = 0;
for (j = 0; j < frame_info.sLayerInfo[i].iNalCount; j++) {
layer_size += frame_info.sLayerInfo[i].pNalLengthInByte[j];
}
memcpy (map.data + buf_length, frame_info.sLayerInfo[i].pBsBuf, layer_size);
buf_length += layer_size;
}
gst_buffer_unmap (frame->output_buffer, &map);
GST_LOG_OBJECT (openh264enc, "openh264 picture %scoded OK!",
(ret != cmResultSuccess) ? "NOT " : "");
return gst_video_encoder_finish_frame (encoder, frame);
}
static GstFlowReturn
gst_pnmenc_handle_frame (GstVideoEncoder * encoder, GstVideoCodecFrame * frame)
{
GstPnmenc *pnmenc;
guint size, pixels;
GstMapInfo omap, imap;
gchar *header;
GstVideoInfo *info;
GstFlowReturn ret = GST_FLOW_OK;
guint i_rowstride, o_rowstride;
guint bytes = 0, index, head_size;
guint i, j;
pnmenc = GST_PNMENC (encoder);
info = &pnmenc->input_state->info;
switch (GST_VIDEO_INFO_FORMAT (info)) {
case GST_VIDEO_FORMAT_RGB:
pixels = size = pnmenc->info.width * pnmenc->info.height * 3;
break;
case GST_VIDEO_FORMAT_GRAY8:
pixels = size = pnmenc->info.width * pnmenc->info.height * 1;
break;
default:
ret = FALSE;
goto done;
}
header = g_strdup_printf ("P%i\n%i %i\n%i\n",
pnmenc->info.type + 3 * (1 - pnmenc->info.encoding), pnmenc->info.width,
pnmenc->info.height, pnmenc->info.max);
if (pnmenc->info.encoding == GST_PNM_ENCODING_ASCII) {
/* Per component 4 bytes are used in case of ASCII encoding */
size = size * 4;
size += strlen (header);
frame->output_buffer =
gst_video_encoder_allocate_output_buffer (encoder, (size + size / 20));
} else {
size += strlen (header);
frame->output_buffer =
gst_video_encoder_allocate_output_buffer (encoder, size);
}
if (gst_buffer_map (frame->output_buffer, &omap, GST_MAP_WRITE) == FALSE) {
ret = GST_FLOW_ERROR;
goto done;
}
if (gst_buffer_map (frame->input_buffer, &imap, GST_MAP_READ) == FALSE) {
/* Unmap already mapped buffer */
gst_buffer_unmap (frame->output_buffer, &omap);
ret = GST_FLOW_ERROR;
goto done;
}
memcpy (omap.data, header, strlen (header));
head_size = strlen (header);
if (pnmenc->info.encoding == GST_PNM_ENCODING_ASCII) {
/* We need to convert to ASCII */
if (pnmenc->info.width % 4 != 0) {
/* Convert from gstreamer rowstride to PNM rowstride */
if (pnmenc->info.type == GST_PNM_TYPE_PIXMAP) {
o_rowstride = 3 * pnmenc->info.width;
} else {
o_rowstride = pnmenc->info.width;
}
i_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (pnmenc->input_state, 0);
for (i = 0; i < pnmenc->info.height; i++) {
index = i * i_rowstride;
for (j = 0; j < o_rowstride; j++, bytes++, index++) {
g_snprintf ((char *) omap.data + head_size, 4, "%3i",
imap.data[index]);
head_size += 3;
omap.data[head_size++] = ' ';
/* Add new line so that file will not end up with sinle big line */
if (!((bytes + 1) % 20))
omap.data[head_size++] = '\n';
}
}
} else {
for (i = 0; i < pixels; i++) {
g_snprintf ((char *) omap.data + head_size, 4, "%3i", imap.data[i]);
head_size += 3;
omap.data[head_size++] = ' ';
if (!((i + 1) % 20))
omap.data[head_size++] = '\n';
}
}
} else {
/* Need to convert from GStreamer rowstride to PNM rowstride */
if (pnmenc->info.width % 4 != 0) {
if (pnmenc->info.type == GST_PNM_TYPE_PIXMAP) {
o_rowstride = 3 * pnmenc->info.width;
} else {
o_rowstride = pnmenc->info.width;
}
i_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (pnmenc->input_state, 0);
for (i = 0; i < pnmenc->info.height; i++)
memcpy (omap.data + head_size + o_rowstride * i,
imap.data + i_rowstride * i, o_rowstride);
} else {
/* size contains complete image size inlcuding header size,
Exclude header size while copying data */
memcpy (omap.data + strlen (header), imap.data, (size - head_size));
}
}
gst_buffer_unmap (frame->output_buffer, &omap);
gst_buffer_unmap (frame->input_buffer, &imap);
if ((ret = gst_video_encoder_finish_frame (encoder, frame)) != GST_FLOW_OK)
goto done;
done:
return ret;
}
static GstFlowReturn gst_imx_vpu_base_enc_handle_frame(GstVideoEncoder *encoder, GstVideoCodecFrame *frame)
{
VpuEncRetCode enc_ret;
VpuEncEncParam enc_enc_param;
GstImxPhysMemMeta *phys_mem_meta;
GstImxVpuBaseEncClass *klass;
GstImxVpuBaseEnc *vpu_base_enc;
VpuFrameBuffer input_framebuf;
GstBuffer *input_buffer;
gint src_stride;
vpu_base_enc = GST_IMX_VPU_BASE_ENC(encoder);
klass = GST_IMX_VPU_BASE_ENC_CLASS(G_OBJECT_GET_CLASS(vpu_base_enc));
g_assert(klass->set_frame_enc_params != NULL);
memset(&enc_enc_param, 0, sizeof(enc_enc_param));
memset(&input_framebuf, 0, sizeof(input_framebuf));
phys_mem_meta = GST_IMX_PHYS_MEM_META_GET(frame->input_buffer);
/* If the incoming frame's buffer is not using physically contiguous memory,
* it needs to be copied to the internal input buffer, otherwise the VPU
* encoder cannot read the frame */
if (phys_mem_meta == NULL)
{
/* No physical memory metadata found -> buffer is not physically contiguous */
GstVideoFrame temp_input_video_frame, temp_incoming_video_frame;
GST_LOG_OBJECT(vpu_base_enc, "input buffer not physically contiguous - frame copy is necessary");
if (vpu_base_enc->internal_input_buffer == NULL)
{
/* The internal input buffer is the temp input frame's DMA memory.
* If it does not exist yet, it needs to be created here. The temp input
* frame is then mapped. */
GstFlowReturn flow_ret;
if (vpu_base_enc->internal_bufferpool == NULL)
{
/* Internal bufferpool does not exist yet - create it now,
* so that it can in turn create the internal input buffer */
GstStructure *config;
GstCaps *caps;
GstAllocator *allocator;
GST_DEBUG_OBJECT(vpu_base_enc, "creating internal bufferpool");
caps = gst_video_info_to_caps(&(vpu_base_enc->video_info));
vpu_base_enc->internal_bufferpool = gst_imx_phys_mem_buffer_pool_new(FALSE);
allocator = gst_imx_vpu_enc_allocator_obtain();
config = gst_buffer_pool_get_config(vpu_base_enc->internal_bufferpool);
gst_buffer_pool_config_set_params(config, caps, vpu_base_enc->video_info.size, 2, 0);
gst_buffer_pool_config_set_allocator(config, allocator, NULL);
gst_buffer_pool_config_add_option(config, GST_BUFFER_POOL_OPTION_IMX_PHYS_MEM);
gst_buffer_pool_config_add_option(config, GST_BUFFER_POOL_OPTION_VIDEO_META);
gst_buffer_pool_set_config(vpu_base_enc->internal_bufferpool, config);
gst_caps_unref(caps);
if (vpu_base_enc->internal_bufferpool == NULL)
{
GST_ERROR_OBJECT(vpu_base_enc, "failed to create internal bufferpool");
return GST_FLOW_ERROR;
}
}
/* Future versions of this code may propose the internal bufferpool upstream;
* hence the is_active check */
if (!gst_buffer_pool_is_active(vpu_base_enc->internal_bufferpool))
gst_buffer_pool_set_active(vpu_base_enc->internal_bufferpool, TRUE);
/* Create the internal input buffer */
flow_ret = gst_buffer_pool_acquire_buffer(vpu_base_enc->internal_bufferpool, &(vpu_base_enc->internal_input_buffer), NULL);
if (flow_ret != GST_FLOW_OK)
{
GST_ERROR_OBJECT(vpu_base_enc, "error acquiring input frame buffer: %s", gst_pad_mode_get_name(flow_ret));
return flow_ret;
}
}
/* The internal input buffer exists at this point. Since the incoming frame
* is not stored in physical memory, copy its pixels to the internal
* input buffer, so the encoder can read them. */
gst_video_frame_map(&temp_incoming_video_frame, &(vpu_base_enc->video_info), frame->input_buffer, GST_MAP_READ);
gst_video_frame_map(&temp_input_video_frame, &(vpu_base_enc->video_info), vpu_base_enc->internal_input_buffer, GST_MAP_WRITE);
gst_video_frame_copy(&temp_input_video_frame, &temp_incoming_video_frame);
gst_video_frame_unmap(&temp_incoming_video_frame);
gst_video_frame_unmap(&temp_input_video_frame);
/* Set the internal input buffer as the encoder's input */
input_buffer = vpu_base_enc->internal_input_buffer;
/* And use the internal input buffer's physical memory metadata */
phys_mem_meta = GST_IMX_PHYS_MEM_META_GET(vpu_base_enc->internal_input_buffer);
}
else
{
/* Physical memory metadata found -> buffer is physically contiguous
* It can be used directly as input for the VPU encoder */
input_buffer = frame->input_buffer;
}
/* Set up physical addresses for the input framebuffer */
{
gsize *plane_offsets;
gint *plane_strides;
GstVideoMeta *video_meta;
unsigned char *phys_ptr;
/* Try to use plane offset and stride information from the video
* metadata if present, since these can be more accurate than
* the information from the video info */
video_meta = gst_buffer_get_video_meta(input_buffer);
if (video_meta != NULL)
{
plane_offsets = video_meta->offset;
plane_strides = video_meta->stride;
}
else
{
plane_offsets = vpu_base_enc->video_info.offset;
plane_strides = vpu_base_enc->video_info.stride;
}
phys_ptr = (unsigned char*)(phys_mem_meta->phys_addr);
input_framebuf.pbufY = phys_ptr;
input_framebuf.pbufCb = phys_ptr + plane_offsets[1];
input_framebuf.pbufCr = phys_ptr + plane_offsets[2];
input_framebuf.pbufMvCol = NULL; /* not used by the VPU encoder */
input_framebuf.nStrideY = plane_strides[0];
input_framebuf.nStrideC = plane_strides[1];
/* this is needed for framebuffers registration below */
src_stride = plane_strides[0];
GST_TRACE_OBJECT(vpu_base_enc, "width: %d height: %d stride 0: %d stride 1: %d offset 0: %d offset 1: %d offset 2: %d", GST_VIDEO_INFO_WIDTH(&(vpu_base_enc->video_info)), GST_VIDEO_INFO_HEIGHT(&(vpu_base_enc->video_info)), plane_strides[0], plane_strides[1], plane_offsets[0], plane_offsets[1], plane_offsets[2]);
}
/* Create framebuffers structure (if not already present) */
if (vpu_base_enc->framebuffers == NULL)
{
GstImxVpuFramebufferParams fbparams;
gst_imx_vpu_framebuffers_enc_init_info_to_params(&(vpu_base_enc->init_info), &fbparams);
fbparams.pic_width = vpu_base_enc->open_param.nPicWidth;
fbparams.pic_height = vpu_base_enc->open_param.nPicHeight;
vpu_base_enc->framebuffers = gst_imx_vpu_framebuffers_new(&fbparams, gst_imx_vpu_enc_allocator_obtain());
if (vpu_base_enc->framebuffers == NULL)
{
GST_ELEMENT_ERROR(vpu_base_enc, RESOURCE, NO_SPACE_LEFT, ("could not create framebuffers structure"), (NULL));
return GST_FLOW_ERROR;
}
gst_imx_vpu_framebuffers_register_with_encoder(vpu_base_enc->framebuffers, vpu_base_enc->handle, src_stride);
}
/* Allocate physical buffer for output data (if not already present) */
if (vpu_base_enc->output_phys_buffer == NULL)
{
vpu_base_enc->output_phys_buffer = (GstImxPhysMemory *)gst_allocator_alloc(gst_imx_vpu_enc_allocator_obtain(), vpu_base_enc->framebuffers->total_size, NULL);
if (vpu_base_enc->output_phys_buffer == NULL)
{
GST_ERROR_OBJECT(vpu_base_enc, "could not allocate physical buffer for output data");
return GST_FLOW_ERROR;
}
}
/* Set up encoding parameters */
enc_enc_param.nInVirtOutput = (unsigned int)(vpu_base_enc->output_phys_buffer->mapped_virt_addr); /* TODO */
enc_enc_param.nInPhyOutput = (unsigned int)(vpu_base_enc->output_phys_buffer->phys_addr);
enc_enc_param.nInOutputBufLen = vpu_base_enc->output_phys_buffer->mem.size;
enc_enc_param.nPicWidth = vpu_base_enc->framebuffers->pic_width;
enc_enc_param.nPicHeight = vpu_base_enc->framebuffers->pic_height;
enc_enc_param.nFrameRate = vpu_base_enc->open_param.nFrameRate;
enc_enc_param.pInFrame = &input_framebuf;
enc_enc_param.nForceIPicture = 0;
/* Force I-frame if either IS_FORCE_KEYFRAME or IS_FORCE_KEYFRAME_HEADERS is set for the current frame. */
if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME(frame) || GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME_HEADERS(frame))
{
enc_enc_param.nForceIPicture = 1;
GST_LOG_OBJECT(vpu_base_enc, "got request to make this a keyframe - forcing I frame");
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT(frame);
}
/* Give the derived class a chance to set up encoding parameters too */
if (!klass->set_frame_enc_params(vpu_base_enc, &enc_enc_param, &(vpu_base_enc->open_param)))
{
GST_ERROR_OBJECT(vpu_base_enc, "derived class could not frame enc params");
return GST_FLOW_ERROR;
}
/* Main encoding block */
{
GstBuffer *output_buffer = NULL;
gsize output_buffer_offset = 0;
gboolean frame_finished = FALSE;
frame->output_buffer = NULL;
/* Run in a loop until the VPU reports the input as used */
do
{
/* Feed input data */
enc_ret = VPU_EncEncodeFrame(vpu_base_enc->handle, &enc_enc_param);
if (enc_ret != VPU_ENC_RET_SUCCESS)
{
GST_ERROR_OBJECT(vpu_base_enc, "failed to encode frame: %s", gst_imx_vpu_strerror(enc_ret));
VPU_EncReset(vpu_base_enc->handle);
return GST_FLOW_ERROR;
}
if (frame_finished)
{
GST_WARNING_OBJECT(vpu_base_enc, "frame was already finished for the current input, but input not yet marked as used");
continue;
}
if (enc_enc_param.eOutRetCode & (VPU_ENC_OUTPUT_DIS | VPU_ENC_OUTPUT_SEQHEADER))
{
/* Create an output buffer on demand */
if (output_buffer == NULL)
{
output_buffer = gst_video_encoder_allocate_output_buffer(
encoder,
vpu_base_enc->output_phys_buffer->mem.size
);
frame->output_buffer = output_buffer;
}
GST_LOG_OBJECT(vpu_base_enc, "processing output data: %u bytes, output buffer offset %u", enc_enc_param.nOutOutputSize, output_buffer_offset);
if (klass->fill_output_buffer != NULL)
{
/* Derived class fills data on its own */
gsize cur_offset = output_buffer_offset;
output_buffer_offset += klass->fill_output_buffer(
vpu_base_enc,
frame,
cur_offset,
vpu_base_enc->output_phys_buffer->mapped_virt_addr,
enc_enc_param.nOutOutputSize,
enc_enc_param.eOutRetCode & VPU_ENC_OUTPUT_SEQHEADER
);
}
else
{
/* Use default data filling (= copy input to output) */
gst_buffer_fill(
output_buffer,
output_buffer_offset,
vpu_base_enc->output_phys_buffer->mapped_virt_addr,
enc_enc_param.nOutOutputSize
);
output_buffer_offset += enc_enc_param.nOutOutputSize;
}
if (enc_enc_param.eOutRetCode & VPU_ENC_OUTPUT_DIS)
{
g_assert(output_buffer != NULL);
/* Set the output buffer's size to the actual number of bytes
* filled by the derived class */
gst_buffer_set_size(output_buffer, output_buffer_offset);
/* Set the frame DTS */
frame->dts = frame->pts;
/* And finish the frame, handing the output data over to the base class */
gst_video_encoder_finish_frame(encoder, frame);
output_buffer = NULL;
frame_finished = TRUE;
if (!(enc_enc_param.eOutRetCode & VPU_ENC_INPUT_USED))
GST_WARNING_OBJECT(vpu_base_enc, "frame finished, but VPU did not report the input as used");
break;
}
}
}
while (!(enc_enc_param.eOutRetCode & VPU_ENC_INPUT_USED)); /* VPU_ENC_INPUT_NOT_USED has value 0x0 - cannot use it for flag checks */
/* If output_buffer is NULL at this point, it means VPU_ENC_OUTPUT_DIS was never communicated
* by the VPU, and the buffer is unfinished. -> Drop it. */
if (output_buffer != NULL)
{
GST_WARNING_OBJECT(vpu_base_enc, "frame unfinished ; dropping");
gst_buffer_unref(output_buffer);
frame->output_buffer = NULL; /* necessary to make finish_frame() drop the frame */
gst_video_encoder_finish_frame(encoder, frame);
}
}
return GST_FLOW_OK;
}
