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d3d11vp9dec: Port to GstVP9SuperframeInfo
The vp9parser is now exposed new API for parsing superframe info.
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c8df00a423
commit
25e9ee10b0
1 changed files with 11 additions and 62 deletions
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@ -69,10 +69,8 @@ struct _GstVp9DecoderPrivate
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GstVp9Picture *current_picture;
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guint num_frames; /* number of frames in a super frame */
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gsize frame_sizes[8]; /* size of frames in a super frame */
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GstVp9SuperframeInfo superframe_info;
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guint frame_cnt; /* frame count variable for super frame */
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guint total_idx_size; /* super frame index size (full block size) */
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gboolean had_superframe_hdr; /* indicate the presense of super frame */
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};
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@ -187,56 +185,6 @@ gst_vp9_decoder_check_codec_change (GstVp9Decoder * self,
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return ret;
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}
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static gboolean
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gst_vp9_decoder_parse_super_frame (GstVp9Decoder * self, const guint8 * data,
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gsize size, gsize * frame_sizes, guint * frame_count,
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guint * total_idx_size)
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{
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guint8 marker;
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guint32 num_frames = 1, frame_size_length, total_index_size;
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guint i, j;
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if (size <= 0)
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return FALSE;
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marker = data[size - 1];
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if ((marker & 0xe0) == 0xc0) {
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GST_DEBUG_OBJECT (self, "Got VP9-Super Frame, size %" G_GSIZE_FORMAT, size);
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num_frames = (marker & 0x7) + 1;
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frame_size_length = ((marker >> 3) & 0x3) + 1;
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total_index_size = 2 + num_frames * frame_size_length;
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if ((size >= total_index_size)
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&& (data[size - total_index_size] == marker)) {
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const guint8 *x = &data[size - total_index_size + 1];
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for (i = 0; i < num_frames; i++) {
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guint32 cur_frame_size = 0;
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for (j = 0; j < frame_size_length; j++)
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cur_frame_size |= (*x++) << (j * 8);
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frame_sizes[i] = cur_frame_size;
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}
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*frame_count = num_frames;
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*total_idx_size = total_index_size;
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} else {
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GST_ERROR_OBJECT (self, "Failed to parse Super-frame");
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return FALSE;
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}
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} else {
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*frame_count = num_frames;
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frame_sizes[0] = size;
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*total_idx_size = 0;
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}
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return TRUE;
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}
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static GstFlowReturn
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gst_vp9_decoder_parse (GstVideoDecoder * decoder,
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GstVideoCodecFrame * frame, GstAdapter * adapter, gboolean at_eos)
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@ -264,25 +212,26 @@ gst_vp9_decoder_parse (GstVideoDecoder * decoder,
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data = (const guint8 *) gst_adapter_map (adapter, size);
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if (!priv->had_superframe_hdr) {
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if (!gst_vp9_decoder_parse_super_frame (self, data, size, priv->frame_sizes,
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&priv->num_frames, &priv->total_idx_size)) {
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goto unmap_and_error;
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}
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pres =
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gst_vp9_parser_parse_superframe_info (priv->parser,
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&(priv->superframe_info), data, size);
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if (priv->num_frames > 1)
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if (pres == GST_VP9_PARSER_ERROR)
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goto unmap_and_error;
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if (priv->superframe_info.frames_in_superframe > 0)
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priv->had_superframe_hdr = TRUE;
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}
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buf_size = priv->frame_sizes[priv->frame_cnt++];
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buf_size = priv->superframe_info.frame_sizes[priv->frame_cnt++];
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pres = gst_vp9_parser_parse_frame_header (priv->parser, &frame_hdr,
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data, buf_size);
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if (priv->frame_cnt == priv->num_frames) {
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priv->num_frames = 0;
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if (priv->frame_cnt == priv->superframe_info.frames_in_superframe) {
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priv->frame_cnt = 0;
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priv->had_superframe_hdr = FALSE;
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buf_size += priv->total_idx_size;
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buf_size += priv->superframe_info.superframe_index_size;
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}
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if (pres != GST_VP9_PARSER_OK) {
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