static gboolean
schedule_next_key_unit (GstHlsSink * sink)
{
gboolean res = TRUE;
GstClockTime running_time;
GstPad *sinkpad = gst_element_get_static_pad (GST_ELEMENT (sink), "sink");
if (sink->target_duration == 0)
/* target-duration == 0 means that the app schedules key units itself */
goto out;
running_time = sink->last_running_time + sink->target_duration * GST_SECOND;
GST_INFO_OBJECT (sink, "sending upstream force-key-unit, index %d "
"now %" GST_TIME_FORMAT " target %" GST_TIME_FORMAT,
sink->index + 1, GST_TIME_ARGS (sink->last_running_time),
GST_TIME_ARGS (running_time));
if (!(res = gst_pad_push_event (sinkpad,
gst_video_event_new_upstream_force_key_unit (running_time,
TRUE, sink->index + 1)))) {
GST_ERROR_OBJECT (sink, "Failed to push upstream force key unit event");
}
out:
/* mark as waiting for a fku event if the app schedules them or if we just
* successfully scheduled one
*/
sink->waiting_fku = res;
gst_object_unref (sinkpad);
return res;
}
static GstFlowReturn gst_videorepair_sink_chain(GstPad *pad, GstObject *parent, GstBuffer *buffer)
{
GstVideoRepair *videorepair = GST_VIDEOREPAIR(parent);
(void)pad;
if (!GST_BUFFER_FLAG_IS_SET(buffer, GST_BUFFER_FLAG_DELTA_UNIT)) {
GST_DEBUG_OBJECT(videorepair, "got keyframe");
videorepair->needs_intra = FALSE;
videorepair->drop_count = 0;
}
if (videorepair->needs_intra && videorepair->drop_until_intra) {
GST_DEBUG_OBJECT(videorepair, "dropping buffer waiting for intra");
videorepair->drop_count++;
if (videorepair->retry_interval
&& (videorepair->drop_count >= videorepair->retry_interval)) {
GST_INFO_OBJECT(videorepair, "still no intra picture, requesting a key unit again");
gst_pad_push_event(videorepair->sinkpad,
gst_video_event_new_upstream_force_key_unit(GST_CLOCK_TIME_NONE, FALSE, 0));
videorepair->drop_count = 0;
}
gst_buffer_unref(buffer);
return GST_FLOW_OK;
}
return gst_pad_push(videorepair->srcpad, buffer);
}
static void
send_force_key_unit_event (GstPad * pad, gboolean all_headers)
{
GstEvent *event;
GstCaps *caps = gst_pad_get_current_caps (pad);
if (caps == NULL) {
caps = gst_pad_get_allowed_caps (pad);
}
if (caps == NULL) {
return;
}
if (is_raw_caps (caps)) {
goto end;
}
event =
gst_video_event_new_upstream_force_key_unit (GST_CLOCK_TIME_NONE,
all_headers, 0);
if (GST_PAD_DIRECTION (pad) == GST_PAD_SRC) {
gst_pad_send_event (pad, event);
} else {
gst_pad_push_event (pad, event);
}
end:
gst_caps_unref (caps);
}
static void clear_queue(guint stream_id, GstScreamQueue *self)
{
GstScreamStream *stream;
g_rw_lock_reader_lock(&self->lock);
stream = g_hash_table_lookup(self->streams, GUINT_TO_POINTER(stream_id));
g_rw_lock_reader_unlock(&self->lock);
clear_packet_queue(stream->packet_queue);
stream->enqueued_payload_size = 0;
stream->enqueued_packets = 0;
gst_pad_push_event(self->sink_pad,
gst_video_event_new_upstream_force_key_unit(GST_CLOCK_TIME_NONE, FALSE, 0));
}
static GstFlowReturn
gst_vaapidecode_parse_frame (GstVideoDecoder * vdec,
GstVideoCodecFrame * frame, GstAdapter * adapter, gboolean at_eos)
{
GstVaapiDecode *const decode = GST_VAAPIDECODE (vdec);
GstVaapiDecoderStatus status;
GstFlowReturn ret;
guint got_unit_size;
gboolean got_frame;
status = gst_vaapi_decoder_parse (decode->decoder, frame,
adapter, at_eos, &got_unit_size, &got_frame);
switch (status) {
case GST_VAAPI_DECODER_STATUS_SUCCESS:
if (got_unit_size > 0) {
gst_video_decoder_add_to_frame (vdec, got_unit_size);
decode->current_frame_size += got_unit_size;
}
if (got_frame) {
ret = gst_video_decoder_have_frame (vdec);
decode->current_frame_size = 0;
} else
ret = GST_VAAPI_DECODE_FLOW_PARSE_DATA;
break;
case GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA:
ret = GST_VIDEO_DECODER_FLOW_NEED_DATA;
break;
case GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CODEC:
case GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE:
case GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT:
GST_WARNING ("parse error %d", status);
ret = GST_FLOW_NOT_SUPPORTED;
decode->current_frame_size = 0;
break;
default:
GST_WARNING ("parse error %d", status);
/* just keep parsing, the decoder should have flushed the broken unit */
ret = GST_VAAPI_DECODE_FLOW_PARSE_DATA;
decode->current_frame_size = 0;
GST_INFO ("requesting upstream a key unit");
gst_pad_push_event (GST_VIDEO_DECODER_SINK_PAD (decode),
gst_video_event_new_upstream_force_key_unit (GST_CLOCK_TIME_NONE,
FALSE, 0));
break;
}
return ret;
}
static gboolean
gst_base_adaptive_sink_send_force_key_unit_event (GstBaseAdaptiveSink * sink,
GstPad * pad, GstClockTime ts, guint count)
{
GstEvent *event;
event = gst_video_event_new_upstream_force_key_unit (ts,
sink->chunked && sink->prepend_headers, count);
if (!gst_pad_push_event (pad, event)) {
GST_WARNING_OBJECT (sink, "Failed to push upstream force key unit event");
return FALSE;
}
return TRUE;
}
static gboolean gst_videorepair_sink_event(GstPad *pad, GstObject *parent, GstEvent *event)
{
GstVideoRepair *videorepair = GST_VIDEOREPAIR(parent);
gboolean ret;
switch (GST_EVENT_TYPE(event)) {
case GST_EVENT_GAP:
GST_INFO_OBJECT(videorepair, "got GAP event");
gst_pad_push_event(videorepair->sinkpad,
gst_video_event_new_upstream_force_key_unit(GST_CLOCK_TIME_NONE, FALSE, 0));
videorepair->needs_intra = TRUE;
ret = TRUE;
break;
default:
ret = gst_pad_event_default(pad, parent, event);
}
return ret;
}
static GstBuffer *
gst_rtp_vp9_depay_process (GstRTPBaseDepayload * depay, GstRTPBuffer * rtp)
{
GstRtpVP9Depay *self = GST_RTP_VP9_DEPAY (depay);
GstBuffer *payload;
guint8 *data;
guint hdrsize = 1;
guint size;
gint spatial_layer = 0;
gboolean i_bit, p_bit, l_bit, f_bit, b_bit, e_bit, v_bit;
if (G_UNLIKELY (GST_BUFFER_IS_DISCONT (rtp->buffer))) {
GST_LOG_OBJECT (self, "Discontinuity, flushing adapter");
gst_adapter_clear (self->adapter);
self->started = FALSE;
}
size = gst_rtp_buffer_get_payload_len (rtp);
/* Mandatory with at least one header and one vp9 byte */
if (G_UNLIKELY (size < hdrsize + 1))
goto too_small;
data = gst_rtp_buffer_get_payload (rtp);
i_bit = (data[0] & 0x80) != 0;
p_bit = (data[0] & 0x40) != 0;
l_bit = (data[0] & 0x20) != 0;
f_bit = (data[0] & 0x10) != 0;
b_bit = (data[0] & 0x08) != 0;
e_bit = (data[0] & 0x04) != 0;
v_bit = (data[0] & 0x02) != 0;
if (G_UNLIKELY (!self->started)) {
/* Check if this is the start of a VP9 layer frame, otherwise bail */
if (!b_bit)
goto done;
self->started = TRUE;
}
GST_TRACE_OBJECT (self, "IPLFBEV : %d%d%d%d%d%d%d", i_bit, p_bit, l_bit,
f_bit, b_bit, e_bit, v_bit);
/* Check I optional header Picture ID */
if (i_bit) {
hdrsize++;
if (G_UNLIKELY (size < hdrsize + 1))
goto too_small;
/* Check M for 15 bits PictureID */
if ((data[1] & 0x80) != 0) {
hdrsize++;
if (G_UNLIKELY (size < hdrsize + 1))
goto too_small;
}
}
/* flexible-mode not implemented */
g_assert (!f_bit);
/* Check L optional header layer indices */
if (l_bit) {
hdrsize++;
/* Check TL0PICIDX temporal layer zero index (non-flexible mode) */
if (!f_bit)
hdrsize++;
}
/* Check V optional Scalability Structure */
if (v_bit) {
guint n_s, y_bit, g_bit;
guint8 *ss = &data[hdrsize];
guint sssize = 1;
if (G_UNLIKELY (size < hdrsize + sssize + 1))
goto too_small;
n_s = (ss[0] & 0xe0) >> 5;
y_bit = (ss[0] & 0x10) != 0;
g_bit = (ss[0] & 0x08) != 0;
GST_TRACE_OBJECT (self, "SS header: N_S=%u, Y=%u, G=%u", n_s, y_bit, g_bit);
sssize += y_bit ? (n_s + 1) * 4 : 0;
if (G_UNLIKELY (size < hdrsize + sssize + 1))
goto too_small;
if (y_bit) {
guint i;
for (i = 0; i <= n_s; i++) {
/* For now, simply use the last layer specified for width and height */
self->ss_width = ss[1 + i * 4] * 256 + ss[2 + i * 4];
self->ss_height = ss[3 + i * 4] * 256 + ss[4 + i * 4];
GST_TRACE_OBJECT (self, "N_S[%d]: WIDTH=%u, HEIGHT=%u", i,
self->ss_width, self->ss_height);
}
}
if (g_bit) {
guint i, j;
guint n_g = ss[sssize];
sssize++;
if (G_UNLIKELY (size < hdrsize + sssize + 1))
goto too_small;
for (i = 0; i < n_g; i++) {
guint t = (ss[sssize] & 0xe0) >> 5;
guint u = (ss[sssize] & 0x10) >> 4;
guint r = (ss[sssize] & 0x0c) >> 2;
GST_TRACE_OBJECT (self, "N_G[%u]: 0x%02x -> T=%u, U=%u, R=%u", i,
ss[sssize], t, u, r);
for (j = 0; j < r; j++)
GST_TRACE_OBJECT (self, " R[%u]: P_DIFF=%u", j, ss[sssize + 1 + j]);
sssize += 1 + r;
if (G_UNLIKELY (size < hdrsize + sssize + 1))
goto too_small;
}
}
hdrsize += sssize;
}
GST_DEBUG_OBJECT (depay, "hdrsize %u, size %u", hdrsize, size);
if (G_UNLIKELY (hdrsize >= size))
goto too_small;
payload = gst_rtp_buffer_get_payload_subbuffer (rtp, hdrsize, -1);
{
GstMapInfo map;
gst_buffer_map (payload, &map, GST_MAP_READ);
GST_MEMDUMP_OBJECT (self, "vp9 payload", map.data, 16);
gst_buffer_unmap (payload, &map);
}
gst_adapter_push (self->adapter, payload);
/* Marker indicates that it was the last rtp packet for this frame */
if (gst_rtp_buffer_get_marker (rtp)) {
GstBuffer *out;
gboolean key_frame_first_layer = !p_bit && spatial_layer == 0;
if (gst_adapter_available (self->adapter) < 10)
goto too_small;
out = gst_adapter_take_buffer (self->adapter,
gst_adapter_available (self->adapter));
self->started = FALSE;
/* mark keyframes */
out = gst_buffer_make_writable (out);
/* Filter away all metas that are not sensible to copy */
gst_rtp_drop_meta (GST_ELEMENT_CAST (self), out,
g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
if (!key_frame_first_layer) {
GST_BUFFER_FLAG_SET (out, GST_BUFFER_FLAG_DELTA_UNIT);
if (!self->caps_sent) {
gst_buffer_unref (out);
out = NULL;
GST_INFO_OBJECT (self, "Dropping inter-frame before intra-frame");
gst_pad_push_event (GST_RTP_BASE_DEPAYLOAD_SINKPAD (depay),
gst_video_event_new_upstream_force_key_unit (GST_CLOCK_TIME_NONE,
TRUE, 0));
}
} else {
GST_BUFFER_FLAG_UNSET (out, GST_BUFFER_FLAG_DELTA_UNIT);
if (self->last_width != self->ss_width ||
self->last_height != self->ss_height) {
GstCaps *srccaps;
/* Width and height are optional in the RTP header. Consider to parse
* the frame header in addition if missing from RTP header */
if (self->ss_width != 0 && self->ss_height != 0) {
srccaps = gst_caps_new_simple ("video/x-vp9",
"framerate", GST_TYPE_FRACTION, 0, 1,
"width", G_TYPE_INT, self->ss_width,
"height", G_TYPE_INT, self->ss_height, NULL);
} else {
srccaps = gst_caps_new_simple ("video/x-vp9",
"framerate", GST_TYPE_FRACTION, 0, 1, NULL);
}
gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (depay), srccaps);
gst_caps_unref (srccaps);
self->caps_sent = TRUE;
self->last_width = self->ss_width;
self->last_height = self->ss_height;
self->ss_width = 0;
self->ss_height = 0;
}
}
return out;
}
done:
return NULL;
too_small:
GST_LOG_OBJECT (self, "Invalid rtp packet (too small), ignoring");
gst_adapter_clear (self->adapter);
self->started = FALSE;
goto done;
}
static GstBuffer *
gst_rtp_vp8_depay_process (GstRTPBaseDepayload * depay, GstRTPBuffer * rtp)
{
GstRtpVP8Depay *self = GST_RTP_VP8_DEPAY (depay);
GstBuffer *payload;
guint8 *data;
guint hdrsize;
guint size;
if (G_UNLIKELY (GST_BUFFER_IS_DISCONT (rtp->buffer))) {
GST_LOG_OBJECT (self, "Discontinuity, flushing adapter");
gst_adapter_clear (self->adapter);
self->started = FALSE;
}
size = gst_rtp_buffer_get_payload_len (rtp);
/* At least one header and one vp8 byte */
if (G_UNLIKELY (size < 2))
goto too_small;
data = gst_rtp_buffer_get_payload (rtp);
if (G_UNLIKELY (!self->started)) {
/* Check if this is the start of a VP8 frame, otherwise bail */
/* S=1 and PartID= 0 */
if ((data[0] & 0x17) != 0x10)
goto done;
self->started = TRUE;
}
hdrsize = 1;
/* Check X optional header */
if ((data[0] & 0x80) != 0) {
hdrsize++;
/* Check I optional header */
if ((data[1] & 0x80) != 0) {
if (G_UNLIKELY (size < 3))
goto too_small;
hdrsize++;
/* Check for 16 bits PictureID */
if ((data[2] & 0x80) != 0)
hdrsize++;
}
/* Check L optional header */
if ((data[1] & 0x40) != 0)
hdrsize++;
/* Check T or K optional headers */
if ((data[1] & 0x20) != 0 || (data[1] & 0x10) != 0)
hdrsize++;
}
GST_DEBUG_OBJECT (depay, "hdrsize %u, size %u", hdrsize, size);
if (G_UNLIKELY (hdrsize >= size))
goto too_small;
payload = gst_rtp_buffer_get_payload_subbuffer (rtp, hdrsize, -1);
gst_adapter_push (self->adapter, payload);
/* Marker indicates that it was the last rtp packet for this frame */
if (gst_rtp_buffer_get_marker (rtp)) {
GstBuffer *out;
guint8 header[10];
gst_adapter_copy (self->adapter, &header, 0, 10);
out = gst_adapter_take_buffer (self->adapter,
gst_adapter_available (self->adapter));
self->started = FALSE;
/* mark keyframes */
out = gst_buffer_make_writable (out);
if ((header[0] & 0x01)) {
GST_BUFFER_FLAG_SET (out, GST_BUFFER_FLAG_DELTA_UNIT);
if (!self->caps_sent) {
gst_buffer_unref (out);
out = NULL;
GST_INFO_OBJECT (self, "Dropping inter-frame before intra-frame");
gst_pad_push_event (GST_RTP_BASE_DEPAYLOAD_SINKPAD (depay),
gst_video_event_new_upstream_force_key_unit (GST_CLOCK_TIME_NONE,
TRUE, 0));
}
} else {
guint profile, width, height;
GST_BUFFER_FLAG_UNSET (out, GST_BUFFER_FLAG_DELTA_UNIT);
profile = (header[0] & 0x0e) >> 1;
width = GST_READ_UINT16_LE (header + 6) & 0x3fff;
height = GST_READ_UINT16_LE (header + 8) & 0x3fff;
if (G_UNLIKELY (self->last_width != width ||
self->last_height != height || self->last_profile != profile)) {
gchar profile_str[3];
GstCaps *srccaps;
snprintf (profile_str, 3, "%u", profile);
srccaps = gst_caps_new_simple ("video/x-vp8",
"framerate", GST_TYPE_FRACTION, 0, 1,
"height", G_TYPE_INT, height,
"width", G_TYPE_INT, width,
"profile", G_TYPE_STRING, profile_str, NULL);
gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (depay), srccaps);
gst_caps_unref (srccaps);
self->caps_sent = TRUE;
self->last_width = width;
self->last_height = height;
self->last_profile = profile;
}
}
return out;
}
done:
return NULL;
too_small:
GST_LOG_OBJECT (self, "Invalid rtp packet (too small), ignoring");
gst_adapter_clear (self->adapter);
self->started = FALSE;
goto done;
}
static GstFlowReturn
gst_vaapidecode_handle_frame (GstVideoDecoder * vdec,
GstVideoCodecFrame * frame)
{
GstVaapiDecode *const decode = GST_VAAPIDECODE (vdec);
GstVaapiDecoderStatus status;
GstFlowReturn ret;
if (!decode->input_state)
goto not_negotiated;
/* Decode current frame */
for (;;) {
status = gst_vaapi_decoder_decode (decode->decoder, frame);
if (status == GST_VAAPI_DECODER_STATUS_ERROR_NO_SURFACE) {
/* Make sure that there are no decoded frames waiting in the
output queue. */
ret = gst_vaapidecode_push_all_decoded_frames (decode);
if (ret != GST_FLOW_OK)
goto error_push_all_decoded_frames;
g_mutex_lock (&decode->surface_ready_mutex);
if (gst_vaapi_decoder_check_status (decode->decoder) ==
GST_VAAPI_DECODER_STATUS_ERROR_NO_SURFACE)
g_cond_wait (&decode->surface_ready, &decode->surface_ready_mutex);
g_mutex_unlock (&decode->surface_ready_mutex);
continue;
}
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
goto error_decode;
break;
}
/* Note that gst_vaapi_decoder_decode cannot return success without
completing the decode and pushing all decoded frames into the output
queue */
return gst_vaapidecode_push_all_decoded_frames (decode);
/* ERRORS */
error_push_all_decoded_frames:
{
GST_ERROR ("push loop error while decoding %d", ret);
gst_video_decoder_drop_frame (vdec, frame);
return ret;
}
error_decode:
{
GST_ERROR ("decode error %d", status);
switch (status) {
case GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CODEC:
case GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE:
case GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT:
ret = GST_FLOW_NOT_SUPPORTED;
break;
default:
ret = GST_FLOW_OK;
GST_VIDEO_DECODER_ERROR (vdec, 1, STREAM, DECODE, ("Decoding error"),
("Decode error %d", status), ret);
GST_INFO ("requesting upstream a key unit");
gst_pad_push_event (GST_VIDEO_DECODER_SINK_PAD (decode),
gst_video_event_new_upstream_force_key_unit (GST_CLOCK_TIME_NONE,
FALSE, 0));
ret = GST_FLOW_OK;
break;
}
gst_video_decoder_drop_frame (vdec, frame);
return ret;
}
not_negotiated:
{
GST_ERROR_OBJECT (decode, "not negotiated");
ret = GST_FLOW_NOT_NEGOTIATED;
gst_video_decoder_drop_frame (vdec, frame);
return ret;
}
}
static GstFlowReturn gst_openh264dec_handle_frame(GstVideoDecoder *decoder, GstVideoCodecFrame *frame)
{
GstOpenh264Dec *openh264dec = GST_OPENH264DEC(decoder);
GstMapInfo map_info;
GstVideoCodecState *state;
SBufferInfo dst_buf_info;
DECODING_STATE ret;
guint8 *yuvdata[3];
GstFlowReturn flow_status;
GstVideoFrame video_frame;
guint actual_width, actual_height;
guint i;
guint8 *p;
guint row_stride, component_width, component_height, src_width, row;
if (frame) {
if (!gst_buffer_map(frame->input_buffer, &map_info, GST_MAP_READ)) {
GST_ERROR_OBJECT(openh264dec, "Cannot map input buffer!");
return GST_FLOW_ERROR;
}
GST_LOG_OBJECT(openh264dec, "handle frame, %d", map_info.size > 4 ? map_info.data[4] & 0x1f : -1);
memset (&dst_buf_info, 0, sizeof (SBufferInfo));
ret = openh264dec->priv->decoder->DecodeFrame2(map_info.data, map_info.size, yuvdata, &dst_buf_info);
if (ret == dsNoParamSets) {
GST_DEBUG_OBJECT(openh264dec, "Requesting a key unit");
gst_pad_push_event(GST_VIDEO_DECODER_SINK_PAD(decoder),
gst_video_event_new_upstream_force_key_unit(GST_CLOCK_TIME_NONE, FALSE, 0));
}
if (ret != dsErrorFree && ret != dsNoParamSets) {
GST_DEBUG_OBJECT(openh264dec, "Requesting a key unit");
gst_pad_push_event(GST_VIDEO_DECODER_SINK_PAD(decoder),
gst_video_event_new_upstream_force_key_unit(GST_CLOCK_TIME_NONE, FALSE, 0));
GST_LOG_OBJECT(openh264dec, "error decoding nal, return code: %d", ret);
}
gst_buffer_unmap(frame->input_buffer, &map_info);
gst_video_codec_frame_unref (frame);
frame = NULL;
} else {
memset (&dst_buf_info, 0, sizeof (SBufferInfo));
ret = openh264dec->priv->decoder->DecodeFrame2(NULL, 0, yuvdata, &dst_buf_info);
if (ret != dsErrorFree)
return GST_FLOW_EOS;
}
/* 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. Fortunately openh264 can
* only do baseline profile. */
frame = gst_video_decoder_get_oldest_frame (decoder);
if (!frame) {
/* Can only happen in finish() */
return GST_FLOW_EOS;
}
/* No output available yet */
if (dst_buf_info.iBufferStatus != 1) {
return (frame ? GST_FLOW_OK : GST_FLOW_EOS);
}
actual_width = dst_buf_info.UsrData.sSystemBuffer.iWidth;
actual_height = dst_buf_info.UsrData.sSystemBuffer.iHeight;
if (!gst_pad_has_current_caps (GST_VIDEO_DECODER_SRC_PAD (openh264dec)) || actual_width != openh264dec->priv->width || actual_height != openh264dec->priv->height) {
state = gst_video_decoder_set_output_state(decoder,
GST_VIDEO_FORMAT_I420,
actual_width,
actual_height,
openh264dec->priv->input_state);
openh264dec->priv->width = actual_width;
openh264dec->priv->height = actual_height;
if (!gst_video_decoder_negotiate(decoder)) {
GST_ERROR_OBJECT(openh264dec, "Failed to negotiate with downstream elements");
return GST_FLOW_NOT_NEGOTIATED;
}
} else {
state = gst_video_decoder_get_output_state(decoder);
}
flow_status = gst_video_decoder_allocate_output_frame(decoder, frame);
if (flow_status != GST_FLOW_OK) {
gst_video_codec_state_unref (state);
return flow_status;
}
if (!gst_video_frame_map(&video_frame, &state->info, frame->output_buffer, GST_MAP_WRITE)) {
GST_ERROR_OBJECT(openh264dec, "Cannot map output buffer!");
gst_video_codec_state_unref (state);
return GST_FLOW_ERROR;
}
for (i = 0; i < 3; i++) {
p = GST_VIDEO_FRAME_COMP_DATA(&video_frame, i);
row_stride = GST_VIDEO_FRAME_COMP_STRIDE(&video_frame, i);
component_width = GST_VIDEO_FRAME_COMP_WIDTH(&video_frame, i);
component_height = GST_VIDEO_FRAME_COMP_HEIGHT(&video_frame, i);
src_width = i < 1 ? dst_buf_info.UsrData.sSystemBuffer.iStride[0] : dst_buf_info.UsrData.sSystemBuffer.iStride[1];
for (row = 0; row < component_height; row++) {
memcpy(p, yuvdata[i], component_width);
p += row_stride;
yuvdata[i] += src_width;
}
}
gst_video_codec_state_unref (state);
gst_video_frame_unmap(&video_frame);
return gst_video_decoder_finish_frame(decoder, frame);
}
