static GstFlowReturn
theora_push_packet (GstTheoraEnc * enc, ogg_packet * packet)
{
GstVideoEncoder *benc;
GstFlowReturn ret;
GstVideoCodecFrame *frame;
benc = GST_VIDEO_ENCODER (enc);
frame = gst_video_encoder_get_oldest_frame (benc);
if (gst_video_encoder_allocate_output_frame (benc, frame,
packet->bytes) != GST_FLOW_OK) {
GST_WARNING_OBJECT (enc, "Could not allocate buffer");
gst_video_codec_frame_unref (frame);
ret = GST_FLOW_ERROR;
goto done;
}
gst_buffer_fill (frame->output_buffer, 0, packet->packet, packet->bytes);
/* the second most significant bit of the first data byte is cleared
* for keyframes */
if (packet->bytes > 0 && (packet->packet[0] & 0x40) == 0) {
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
} else {
GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT (frame);
}
enc->packetno++;
ret = gst_video_encoder_finish_frame (benc, frame);
done:
return ret;
}
static GstFlowReturn
gst_av1_enc_process (GstAV1Enc * encoder)
{
aom_codec_iter_t iter = NULL;
const aom_codec_cx_pkt_t *pkt;
GstVideoCodecFrame *frame;
GstVideoEncoder *video_encoder;
GstFlowReturn ret = GST_FLOW_CUSTOM_SUCCESS;
video_encoder = GST_VIDEO_ENCODER (encoder);
while ((pkt = aom_codec_get_cx_data (&encoder->encoder, &iter)) != NULL) {
if (pkt->kind == AOM_CODEC_STATS_PKT) {
GST_WARNING_OBJECT (encoder, "Unhandled stats packet");
} else if (pkt->kind == AOM_CODEC_FPMB_STATS_PKT) {
GST_WARNING_OBJECT (encoder, "Unhandled FPMB pkt");
} else if (pkt->kind == AOM_CODEC_PSNR_PKT) {
GST_WARNING_OBJECT (encoder, "Unhandled PSNR packet");
} else if (pkt->kind == AOM_CODEC_CX_FRAME_PKT) {
frame = gst_video_encoder_get_oldest_frame (video_encoder);
g_assert (frame != NULL);
if ((pkt->data.frame.flags & AOM_FRAME_IS_KEY) != 0) {
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
} else {
GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT (frame);
}
frame->output_buffer =
gst_buffer_new_wrapped (g_memdup (pkt->data.frame.buf,
pkt->data.frame.sz), pkt->data.frame.sz);
if ((pkt->data.frame.flags & AOM_FRAME_IS_DROPPABLE) != 0)
GST_BUFFER_FLAG_SET (frame->output_buffer, GST_BUFFER_FLAG_DROPPABLE);
if ((pkt->data.frame.flags & AOM_FRAME_IS_INVISIBLE) != 0)
GST_BUFFER_FLAG_SET (frame->output_buffer, GST_BUFFER_FLAG_DECODE_ONLY);
ret = gst_video_encoder_finish_frame (video_encoder, frame);
if (ret != GST_FLOW_OK)
break;
}
}
return 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_ffmpegvidenc_flush_buffers (GstFFMpegVidEnc * ffmpegenc, gboolean send)
{
GstVideoCodecFrame *frame;
GstFlowReturn flow_ret = GST_FLOW_OK;
GstBuffer *outbuf;
gint ret;
AVPacket *pkt;
int have_data = 0;
GST_DEBUG_OBJECT (ffmpegenc, "flushing buffers with sending %d", send);
/* no need to empty codec if there is none */
if (!ffmpegenc->opened)
goto done;
while ((frame =
gst_video_encoder_get_oldest_frame (GST_VIDEO_ENCODER (ffmpegenc)))) {
pkt = g_slice_new0 (AVPacket);
have_data = 0;
ret = avcodec_encode_video2 (ffmpegenc->context, pkt, NULL, &have_data);
if (ret < 0) { /* there should be something, notify and give up */
#ifndef GST_DISABLE_GST_DEBUG
GstFFMpegVidEncClass *oclass =
(GstFFMpegVidEncClass *) (G_OBJECT_GET_CLASS (ffmpegenc));
GST_WARNING_OBJECT (ffmpegenc,
"avenc_%s: failed to flush buffer", oclass->in_plugin->name);
#endif /* GST_DISABLE_GST_DEBUG */
g_slice_free (AVPacket, pkt);
gst_video_codec_frame_unref (frame);
break;
}
/* save stats info if there is some as well as a stats file */
if (ffmpegenc->file && ffmpegenc->context->stats_out)
if (fprintf (ffmpegenc->file, "%s", ffmpegenc->context->stats_out) < 0)
GST_ELEMENT_ERROR (ffmpegenc, RESOURCE, WRITE,
(("Could not write to file \"%s\"."), ffmpegenc->filename),
GST_ERROR_SYSTEM);
if (send && have_data) {
outbuf =
gst_buffer_new_wrapped_full (GST_MEMORY_FLAG_READONLY, pkt->data,
pkt->size, 0, pkt->size, pkt, gst_ffmpegvidenc_free_avpacket);
frame->output_buffer = outbuf;
if (pkt->flags & AV_PKT_FLAG_KEY)
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
else
GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT (frame);
flow_ret =
gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (ffmpegenc), frame);
} else {
/* no frame attached, so will be skipped and removed from frame list */
gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (ffmpegenc), frame);
}
}
done:
return flow_ret;
}
static GstFlowReturn
gst_ffmpegvidenc_handle_frame (GstVideoEncoder * encoder,
GstVideoCodecFrame * frame)
{
GstFFMpegVidEnc *ffmpegenc = (GstFFMpegVidEnc *) encoder;
GstBuffer *outbuf;
gint ret = 0, c;
GstVideoInfo *info = &ffmpegenc->input_state->info;
AVPacket *pkt;
int have_data = 0;
BufferInfo *buffer_info;
if (ffmpegenc->interlaced) {
ffmpegenc->picture->interlaced_frame = TRUE;
/* if this is not the case, a filter element should be used to swap fields */
ffmpegenc->picture->top_field_first =
GST_BUFFER_FLAG_IS_SET (frame->input_buffer, GST_VIDEO_BUFFER_FLAG_TFF);
}
if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame))
ffmpegenc->picture->pict_type = AV_PICTURE_TYPE_I;
buffer_info = g_slice_new0 (BufferInfo);
buffer_info->buffer = gst_buffer_ref (frame->input_buffer);
if (!gst_video_frame_map (&buffer_info->vframe, info, frame->input_buffer,
GST_MAP_READ)) {
GST_ERROR_OBJECT (encoder, "Failed to map input buffer");
gst_buffer_unref (buffer_info->buffer);
g_slice_free (BufferInfo, buffer_info);
gst_video_codec_frame_unref (frame);
return GST_FLOW_ERROR;
}
/* Fill avpicture */
ffmpegenc->picture->buf[0] =
av_buffer_create (NULL, 0, buffer_info_free, buffer_info, 0);
for (c = 0; c < AV_NUM_DATA_POINTERS; c++) {
if (c < GST_VIDEO_INFO_N_COMPONENTS (info)) {
ffmpegenc->picture->data[c] =
GST_VIDEO_FRAME_PLANE_DATA (&buffer_info->vframe, c);
ffmpegenc->picture->linesize[c] =
GST_VIDEO_FRAME_COMP_STRIDE (&buffer_info->vframe, c);
} else {
ffmpegenc->picture->data[c] = NULL;
ffmpegenc->picture->linesize[c] = 0;
}
}
ffmpegenc->picture->format = ffmpegenc->context->pix_fmt;
ffmpegenc->picture->width = GST_VIDEO_FRAME_WIDTH (&buffer_info->vframe);
ffmpegenc->picture->height = GST_VIDEO_FRAME_HEIGHT (&buffer_info->vframe);
ffmpegenc->picture->pts =
gst_ffmpeg_time_gst_to_ff (frame->pts /
ffmpegenc->context->ticks_per_frame, ffmpegenc->context->time_base);
have_data = 0;
pkt = g_slice_new0 (AVPacket);
ret =
avcodec_encode_video2 (ffmpegenc->context, pkt, ffmpegenc->picture,
&have_data);
av_frame_unref (ffmpegenc->picture);
if (ret < 0 || !have_data)
g_slice_free (AVPacket, pkt);
if (ret < 0)
goto encode_fail;
/* Encoder needs more data */
if (!have_data) {
gst_video_codec_frame_unref (frame);
return GST_FLOW_OK;
}
/* save stats info if there is some as well as a stats file */
if (ffmpegenc->file && ffmpegenc->context->stats_out)
if (fprintf (ffmpegenc->file, "%s", ffmpegenc->context->stats_out) < 0)
GST_ELEMENT_ERROR (ffmpegenc, RESOURCE, WRITE,
(("Could not write to file \"%s\"."), ffmpegenc->filename),
GST_ERROR_SYSTEM);
gst_video_codec_frame_unref (frame);
/* Get oldest frame */
frame = gst_video_encoder_get_oldest_frame (encoder);
outbuf =
gst_buffer_new_wrapped_full (GST_MEMORY_FLAG_READONLY, pkt->data,
pkt->size, 0, pkt->size, pkt, gst_ffmpegvidenc_free_avpacket);
frame->output_buffer = outbuf;
if (pkt->flags & AV_PKT_FLAG_KEY)
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
else
GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT (frame);
return gst_video_encoder_finish_frame (encoder, frame);
/* ERRORS */
encode_fail:
{
#ifndef GST_DISABLE_GST_DEBUG
GstFFMpegVidEncClass *oclass =
(GstFFMpegVidEncClass *) (G_OBJECT_GET_CLASS (ffmpegenc));
GST_ERROR_OBJECT (ffmpegenc,
"avenc_%s: failed to encode buffer", oclass->in_plugin->name);
#endif /* GST_DISABLE_GST_DEBUG */
/* avoid frame (and ts etc) piling up */
return gst_video_encoder_finish_frame (encoder, frame);
}
}
