GstOMXPort * port, GstVideoCodecState * state);
static gboolean gst_omx_h264_dec_set_format (GstOMXVideoDec * dec,
GstOMXPort * port, GstVideoCodecState * state);
-#ifdef TIZEN_FEATURE_OMX
-static GstFlowReturn gst_omx_h264_dec_prepare_frame (GstOMXVideoDec * self, GstVideoCodecFrame *frame);
-#endif
enum
{
GST_TYPE_OMX_VIDEO_DEC, DEBUG_INIT);
-#ifdef TIZEN_FEATURE_OMX
-/*
- **
- ** Description : Function used to handle packetized h264 header
- *# params : @dec : GstOMXH264Dec, @buf: codec_data in sink setcaps
- ** return : return TRUE on sucess and FALSE on failure
- ** Comments : 1. get codec_data from setcaps from sinkpad
- ** 2. converting sps, pps from packetized format to byte-stream format
- **
- */
-static gboolean
-gst_omx_convert_dci (GstOMXH264Dec *dec, GstBuffer *buf, GstBuffer **dci_nalu)
-{
- gboolean ret = FALSE;
- unsigned char *out = NULL;
- unsigned int unitSize = 0;
- unsigned int totalSize = 0;
- unsigned char unitNb = 0;
- unsigned char spsDone = 0;
- GstMapInfo map;
-
- gst_buffer_map (buf, &map, GST_MAP_READ);
- unsigned char *pInputStream = map.data;
- unsigned int pBuffSize = map.size;
-
- const unsigned char *extraData = (unsigned char *)pInputStream + 4;
- static const unsigned char naluHeader[GST_OMX_H264_NAL_START_LEN] = {0, 0, 0, 1};
-
- if (pInputStream != NULL) {
- /* retrieve Length of Length*/
- dec->h264_nal_length_size = (*extraData++ & 0x03) + 1;
- GST_LOG_OBJECT (dec, "Length Of Length is %d", dec->h264_nal_length_size);
- if (dec->h264_nal_length_size == 3)
- {
- GST_LOG_OBJECT (dec, "LengthOfLength is WRONG...");
- goto EXIT;
- }
- /* retrieve sps and pps unit(s) */
- unitNb = *extraData++ & 0x1f;
- GST_LOG_OBJECT (dec, "No. of SPS units = %u", unitNb);
- if (!unitNb) {
- GST_LOG_OBJECT (dec, "SPS is not present...");
- goto EXIT;
- }
-
- while (unitNb--) {
- /* get SPS/PPS data Length*/
- unitSize = GST_OMX_H264_RB16 (extraData);
-
- /* Extra 4 bytes for adding delimiter */
- totalSize += unitSize + GST_OMX_H264_NAL_START_LEN;
-
- /* Check if SPS/PPS Data Length crossed buffer Length */
- if ((extraData + 2 + unitSize) > (pInputStream + pBuffSize)) {
- GST_LOG_OBJECT (dec, "SPS length is wrong in DCI...");
- goto EXIT;
- }
-
- if (out)
- out = g_realloc (out, totalSize);
- else
- out = g_malloc (totalSize);
-
- if (!out) {
- GST_LOG_OBJECT (dec, "realloc failed...");
- goto EXIT;
- }
-
- /* Copy NALU header */
- memcpy (out + totalSize - unitSize - GST_OMX_H264_NAL_START_LEN, naluHeader, GST_OMX_H264_NAL_START_LEN);
-
- /* Copy SPS/PPS Length and data */
- memcpy (out + totalSize - unitSize, extraData + GST_OMX_H264_SPSPPS_LEN, unitSize);
-
- extraData += (GST_OMX_H264_SPSPPS_LEN + unitSize);
-
- if (!unitNb && !spsDone++) {
- /* Completed reading SPS data, now read PPS data */
- unitNb = *extraData++; /* number of pps unit(s) */
- GST_LOG_OBJECT (dec, "No. of PPS units = %d", unitNb);
- }
- }
-
- *dci_nalu = gst_buffer_new ();
- if (*dci_nalu == NULL) {
- GST_ERROR_OBJECT (dec, " gst_buffer_new_and_alloc failed...\n");
- goto EXIT;
- }
- gst_buffer_append_memory (*dci_nalu, gst_memory_new_wrapped (0, out, totalSize, 0, totalSize, out, g_free));
-
- GST_LOG_OBJECT (dec, "Total SPS+PPS size = %d", totalSize);
- }
-
- ret = TRUE;
-
-EXIT:
- if (out)
- g_free(out);
- gst_buffer_unmap (buf, &map);
- return ret;
-}
-
-
-
-/*
- * description : find stream format(3gpp or nalu)
- * params : @dec : GstOMXH264Dec, @buf: input gstbuffer in pad_chain
- * return : none
- * comments : finding whether the stream format of input buf is 3GPP or Elementary Stream(nalu)
- */
-static void
-check_frame (GstOMXH264Dec *dec , GstBuffer * buf)
-{
- guint buf_size = 0;
- guint8 *buf_data = NULL;
- guint nal_type = 0;
- guint forbidden_zero_bit = 0;
- guint check_byte= 0;
- GstMapInfo map;
-
- gst_buffer_map(buf, &map, GST_MAP_READ);
- buf_data = map.data;
- buf_size = map.size;
-
- if (buf_data == NULL || buf_size < GST_OMX_H264_NAL_START_LEN + 1) {
- gst_buffer_unmap (buf, &map);
- dec->h264_format = GST_OMX_H264_FORMAT_UNKNOWN;
- GST_WARNING_OBJECT(dec, "H264 format is unknown");
- return;
- }
-
- dec->h264_format = GST_OMX_H264_FORMAT_PACKETIZED;
-
- if ((buf_data[0] == 0x00) && (buf_data[1] == 0x00) &&
- ((buf_data[2] == 0x01) || ((buf_data[2] == 0x00) && (buf_data[3] == 0x01)))) {
- check_byte = (buf_data[2] == 0x01) ? 3 : 4;
-
- nal_type = (guint)(buf_data[check_byte] & 0x1f);
- forbidden_zero_bit = (guint)(buf_data[check_byte] & 0x80);
- GST_LOG_OBJECT(dec, "check first frame: nal_type=%d, forbidden_zero_bit=%d", nal_type, forbidden_zero_bit);
-
- if (forbidden_zero_bit == 0) {
- /* check nal_unit_type is invaild value: ex) slice, DPA,DPB... */
- if ((0 < nal_type && nal_type <= 15) || nal_type == 19 || nal_type == 20) {
- GST_INFO_OBJECT(dec, "H264 format is Byte-stream format");
- dec->h264_format = GST_OMX_H264_FORMAT_BYTE_STREAM;
- }
- }
- }
-
- gst_buffer_unmap (buf, &map);
-
- if (dec->h264_format == GST_OMX_H264_FORMAT_PACKETIZED)
- GST_INFO_OBJECT(dec, "H264 format is Packetized format");
-}
-
-
-/*
- * description : convert input 3gpp buffer to nalu based buffer
- * params : @dec : GstOMXH264Dec, @buf: buffer to be converted
- * return : none
- * comments : none
- */
-static int
-convert_frame (GstOMXH264Dec *dec, GstBuffer **buf)
-{
- unsigned char frameType = 0;
- unsigned int nalSize = 0;
- unsigned int cumulSize = 0;
- unsigned int offset = 0;
- unsigned char nalHeaderSize = 0;
- unsigned int outSize = 0;
- unsigned char *frame_3gpp = NULL;
- unsigned int frame_3gpp_size = 0;
- GstBuffer *nalu_next_buf = NULL;
- GstBuffer *nalu_buf = NULL;
- GstMapInfo map;
- int ret = 0;
-
-
- gst_buffer_map (*buf, &map, GST_MAP_WRITE);
- frame_3gpp = map.data;
- frame_3gpp_size = map.size;
- do {
- /* get NAL Length based on length of length*/
- if (dec->h264_nal_length_size == 1) {
- nalSize = frame_3gpp[0];
- } else if (dec->h264_nal_length_size == 2) {
- nalSize = GST_OMX_H264_RB16 (frame_3gpp);
- } else {
- nalSize = GST_OMX_H264_RB32 (frame_3gpp);
- }
-
- GST_LOG_OBJECT (dec, "packetized frame size = %d", nalSize);
-
- frame_3gpp += dec->h264_nal_length_size;
-
- /* Checking frame type */
- frameType = *frame_3gpp & 0x1f;
-
- switch (frameType)
- {
- case GST_OMX_H264_NUT_SLICE:
- GST_LOG_OBJECT (dec, "Frame is non-IDR frame...");
- break;
- case GST_OMX_H264_NUT_IDR:
- GST_LOG_OBJECT (dec, "Frame is an IDR frame...");
- break;
- case GST_OMX_H264_NUT_SEI:
- GST_LOG_OBJECT (dec, "Found SEI Data...");
- break;
- case GST_OMX_H264_NUT_SPS:
- GST_LOG_OBJECT (dec, "Found SPS data...");
- break;
- case GST_OMX_H264_NUT_PPS:
- GST_LOG_OBJECT (dec, "Found PPS data...");
- break;
- case GST_OMX_H264_NUT_EOSEQ:
- GST_LOG_OBJECT (dec, "End of sequence...");
- break;
- case GST_OMX_H264_NUT_EOSTREAM:
- GST_LOG_OBJECT (dec, "End of stream...");
- break;
- case GST_OMX_H264_NUT_DPA:
- case GST_OMX_H264_NUT_DPB:
- case GST_OMX_H264_NUT_DPC:
- case GST_OMX_H264_NUT_AUD:
- case GST_OMX_H264_NUT_FILL:
- case GST_OMX_H264_NUT_PREFIX:
- case GST_OMX_H264_NUT_MIXED:
- break;
- default:
- GST_INFO_OBJECT(dec, "Unknown Frame type: %d. do check_frame one more time with next frame.", frameType);
- dec->h264_format = GST_OMX_H264_FORMAT_UNKNOWN;
- goto EXIT;
- }
-
- /* if nal size is same, we can change only start code */
- if ((nalSize + GST_OMX_H264_NAL_START_LEN) == frame_3gpp_size) {
- GST_LOG_OBJECT (dec, "only change start code");
- //*buf = gst_buffer_make_writable(*buf); /* make writable to support memsrc */
- GST_OMX_H264_WB32 (map.data, 1);
- gst_buffer_unmap (*buf, &map);
-
- return 0;
- }
-
- /* Convert 3GPP Frame to NALU Frame */
- offset = outSize;
- nalHeaderSize = offset ? 3 : 4;
-
- outSize += nalSize + nalHeaderSize;
-
- if (nalSize > frame_3gpp_size) {
- GST_ERROR_OBJECT (dec, "out of bounds Error. frame_nalu_size=%d", outSize);
- goto EXIT;
- }
-
- if (nalu_buf) {
- nalu_next_buf = gst_buffer_new_allocate (NULL, nalSize + nalHeaderSize, NULL);
- if (nalu_next_buf == NULL) {
- GST_ERROR_OBJECT (dec, "gst_buffer_new_and_alloc failed.(nalu_next_buf)");
- goto EXIT;
- }
- } else {
- nalu_buf = gst_buffer_new_allocate (NULL, outSize, NULL);
- }
-
- if (nalu_buf == NULL) {
- GST_ERROR_OBJECT (dec, "gst_buffer_new_and_alloc failed.(nalu_buf)");
- goto EXIT;
- }
-
- GstMapInfo nalu_map;
- if (!offset) {
- gst_buffer_map (nalu_buf, &nalu_map, GST_MAP_WRITE);
- memcpy((guint8*)(nalu_map.data) + nalHeaderSize, frame_3gpp, nalSize);
- GST_OMX_H264_WB32 (nalu_map.data, 1);
- gst_buffer_unmap (nalu_buf, &nalu_map);
- } else {
- if (nalu_next_buf) {
- gst_buffer_copy_into (nalu_buf, nalu_next_buf, GST_BUFFER_COPY_ALL, 0, -1);
- gst_buffer_unref (nalu_next_buf);
- nalu_next_buf = NULL;
- }
-
- gst_buffer_map(nalu_buf, &nalu_map, GST_MAP_WRITE);
- guint8* nalu_buf_data = nalu_map.data;
- memcpy(nalu_buf_data + nalHeaderSize + offset, frame_3gpp, nalSize);
- (nalu_buf_data + offset)[0] = (nalu_buf_data + offset)[1] = 0;
- (nalu_buf_data + offset)[2] = 1;
- gst_buffer_unmap(nalu_buf, &nalu_map);
- }
-
- frame_3gpp += nalSize;
- cumulSize += nalSize + dec->h264_nal_length_size;
- GST_LOG_OBJECT(dec, "frame_3gpp_size = %d => frame_nalu_size=%d", frame_3gpp_size, outSize);
- } while (cumulSize < frame_3gpp_size);
-
- gst_buffer_unmap(*buf, &map);
- gst_buffer_copy_into(nalu_buf, *buf, GST_BUFFER_COPY_METADATA, 0, -1);
- gst_buffer_unref (*buf);
- *buf = nalu_buf;
-
- return 0;
-
-EXIT:
- gst_buffer_unmap(*buf, &map);
- if (nalu_buf) {
- gst_buffer_copy_into(nalu_buf, *buf, GST_BUFFER_COPY_METADATA, 0, -1);
- gst_buffer_unref (*buf);
- *buf = nalu_buf;
- }
- GST_ERROR_OBJECT(dec, "converting frame error.");
-
- return -1;
-}
-#endif
-
static void
gst_omx_h264_dec_class_init (GstOMXH264DecClass * klass)
{
videodec_class->is_format_change =
GST_DEBUG_FUNCPTR (gst_omx_h264_dec_is_format_change);
videodec_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_h264_dec_set_format);
-#ifdef TIZEN_FEATURE_OMX
- videodec_class->prepare_frame = GST_DEBUG_FUNCPTR (gst_omx_h264_dec_prepare_frame);
-#endif
videodec_class->cdata.default_sink_template_caps = "video/x-h264, "
"alignment=(string) au, "
-#ifdef TIZEN_FEATURE_OMX
- "stream-format=(string){ avc, byte-stream },"
+ "stream-format=(string) byte-stream, "
"width=(int) [1,MAX], " "height=(int) [1,MAX],"
+#ifdef TIZEN_FEATURE_OMX
"framerate = (fraction) [0/1, MAX]";
#else
- "stream-format=(string) byte-stream, "
- "width=(int) [1,MAX], " "height=(int) [1,MAX]";
+ "parsed=(boolean) true ";
#endif
gst_element_class_set_static_metadata (element_class,
{
gboolean ret;
OMX_PARAM_PORTDEFINITIONTYPE port_def;
-#ifdef TIZEN_FEATURE_OMX
- GstOMXH264Dec *self = GST_OMX_H264_DEC (dec);
-#endif
gst_omx_port_get_port_definition (port, &port_def);
port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;
ret = gst_omx_port_update_port_definition (port, &port_def) == OMX_ErrorNone;
-#ifdef TIZEN_FEATURE_OMX
- if (state->codec_data)
- {
- guint8 *buf_data = NULL;
- GstMapInfo map;
- gst_buffer_map (state->codec_data, &map, GST_MAP_READ);
- buf_data = map.data;
-
- if (gst_buffer_get_size (state->codec_data) <= GST_OMX_H264_NAL_START_LEN) {
- gst_buffer_unmap (state->codec_data, &map);
- GST_ERROR_OBJECT (self, "codec data size (%d) is less than start code length.", gst_buffer_get_size(state->codec_data));
- self->h264_format = GST_OMX_H264_FORMAT_UNKNOWN;
- } else {
- if ((buf_data[0] == 0x00) && (buf_data[1] == 0x00) &&
- ((buf_data[2] == 0x01) || ((buf_data[2] == 0x00) && (buf_data[3] == 0x01)))) {
- self->h264_format = GST_OMX_H264_FORMAT_BYTE_STREAM;
- GST_LOG_OBJECT (self, "H264 codec_data format is Byte-stream.");
- } else {
- self->h264_format = GST_OMX_H264_FORMAT_PACKETIZED;
- GST_LOG_OBJECT (self, "H264 codec_data format is Packetized.");
- }
- gst_buffer_unmap (state->codec_data, &map);
-
-
- /* if codec data is 3gpp format, convert nalu format */
- if(self->h264_format == GST_OMX_H264_FORMAT_PACKETIZED) {
- GstBuffer *nalu_dci = NULL;
-
- ret = gst_omx_convert_dci (self, state->codec_data, &nalu_dci);
- if (ret) {
- state->codec_data = NULL;
- state->codec_data= nalu_dci;
- } else {
- GST_ERROR_OBJECT (self, "converting dci error.");
- if (nalu_dci) {
- gst_buffer_unref (nalu_dci);
- nalu_dci = NULL;
- }
- }
- }
- }
- }
-#endif
return ret;
}
-#ifdef TIZEN_FEATURE_OMX
-static GstFlowReturn
-gst_omx_h264_dec_prepare_frame (GstOMXVideoDec * parent, GstVideoCodecFrame *frame)
-{
- GstFlowReturn ret = GST_FLOW_OK;
- gint return_value = 0;
- GstOMXH264Dec *dec = GST_OMX_H264_DEC (parent);
- GstVideoDecoder *decoder = GST_VIDEO_DECODER (parent);
-
- if (dec->h264_format == GST_OMX_H264_FORMAT_UNKNOWN) {
- check_frame(dec, frame->input_buffer);
- }
-
- if (dec->h264_format == GST_OMX_H264_FORMAT_PACKETIZED) {
- GST_LOG_OBJECT(dec, "H264 format is Packetized format. convert to Byte-stream format");
- return_value = convert_frame(dec, &frame->input_buffer);
-
- if (return_value < 0) {
- GST_VIDEO_DECODER_ERROR (decoder, 2, STREAM, DECODE, (NULL), ("convert frame is failed"), ret);
- }
- }
-
- return ret;
-}
-#endif
projects / platform / upstream / gst-omx.git / commitdiff