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d3d11vp9dec: Port to GstVP9SuperframeInfo

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The vp9parser is now exposed new API for parsing superframe info.
This commit is contained in:
Yeongjin Jeong 2020-02-28 03:08:23 +09:00
parent c8df00a423
commit 25e9ee10b0
1 changed files with 11 additions and 62 deletions
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73
sys/d3d11/gstvp9decoder.c
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@ -69,10 +69,8 @@ struct _GstVp9DecoderPrivate
GstVp9Picture *current_picture; GstVp9Picture *current_picture;
guint num_frames; /* number of frames in a super frame */ GstVp9SuperframeInfo superframe_info;
gsize frame_sizes[8]; /* size of frames in a super frame */
guint frame_cnt; /* frame count variable for super frame */ guint frame_cnt; /* frame count variable for super frame */
guint total_idx_size; /* super frame index size (full block size) */
gboolean had_superframe_hdr; /* indicate the presense of super frame */ gboolean had_superframe_hdr; /* indicate the presense of super frame */
}; };
@ -187,56 +185,6 @@ gst_vp9_decoder_check_codec_change (GstVp9Decoder * self,
return ret; return ret;
} }
static gboolean
gst_vp9_decoder_parse_super_frame (GstVp9Decoder * self, const guint8 * data,
gsize size, gsize * frame_sizes, guint * frame_count,
guint * total_idx_size)
{
guint8 marker;
guint32 num_frames = 1, frame_size_length, total_index_size;
guint i, j;
if (size <= 0)
return FALSE;
marker = data[size - 1];
if ((marker & 0xe0) == 0xc0) {
GST_DEBUG_OBJECT (self, "Got VP9-Super Frame, size %" G_GSIZE_FORMAT, size);
num_frames = (marker & 0x7) + 1;
frame_size_length = ((marker >> 3) & 0x3) + 1;
total_index_size = 2 + num_frames * frame_size_length;
if ((size >= total_index_size)
&& (data[size - total_index_size] == marker)) {
const guint8 *x = &data[size - total_index_size + 1];
for (i = 0; i < num_frames; i++) {
guint32 cur_frame_size = 0;
for (j = 0; j < frame_size_length; j++)
cur_frame_size |= (*x++) << (j * 8);
frame_sizes[i] = cur_frame_size;
}
*frame_count = num_frames;
*total_idx_size = total_index_size;
} else {
GST_ERROR_OBJECT (self, "Failed to parse Super-frame");
return FALSE;
}
} else {
*frame_count = num_frames;
frame_sizes[0] = size;
*total_idx_size = 0;
}
return TRUE;
}
static GstFlowReturn static GstFlowReturn
gst_vp9_decoder_parse (GstVideoDecoder * decoder, gst_vp9_decoder_parse (GstVideoDecoder * decoder,
GstVideoCodecFrame * frame, GstAdapter * adapter, gboolean at_eos) GstVideoCodecFrame * frame, GstAdapter * adapter, gboolean at_eos)
@ -264,25 +212,26 @@ gst_vp9_decoder_parse (GstVideoDecoder * decoder,
data = (const guint8 *) gst_adapter_map (adapter, size); data = (const guint8 *) gst_adapter_map (adapter, size);
if (!priv->had_superframe_hdr) { if (!priv->had_superframe_hdr) {
if (!gst_vp9_decoder_parse_super_frame (self, data, size, priv->frame_sizes, pres =
&priv->num_frames, &priv->total_idx_size)) { gst_vp9_parser_parse_superframe_info (priv->parser,
goto unmap_and_error; &(priv->superframe_info), data, size);
}
if (priv->num_frames > 1) if (pres == GST_VP9_PARSER_ERROR)
goto unmap_and_error;
if (priv->superframe_info.frames_in_superframe > 0)
priv->had_superframe_hdr = TRUE; priv->had_superframe_hdr = TRUE;
} }
buf_size = priv->frame_sizes[priv->frame_cnt++]; buf_size = priv->superframe_info.frame_sizes[priv->frame_cnt++];
pres = gst_vp9_parser_parse_frame_header (priv->parser, &frame_hdr, pres = gst_vp9_parser_parse_frame_header (priv->parser, &frame_hdr,
data, buf_size); data, buf_size);
if (priv->frame_cnt == priv->num_frames) { if (priv->frame_cnt == priv->superframe_info.frames_in_superframe) {
priv->num_frames = 0;
priv->frame_cnt = 0; priv->frame_cnt = 0;
priv->had_superframe_hdr = FALSE; priv->had_superframe_hdr = FALSE;
buf_size += priv->total_idx_size; buf_size += priv->superframe_info.superframe_index_size;
} }
if (pres != GST_VP9_PARSER_OK) { if (pres != GST_VP9_PARSER_OK) {