KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

st/va: add huffman table handling for MJPEG 

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Leo Liu 2017-08-15 11:52:26 -04:00
parent 93577e6081
commit 8e9175744e
1 changed files with 18 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/gallium/state_trackers/va/picture_mjpeg.c
View File

@ -63,7 +63,24 @@ void vlVaHandleIQMatrixBufferMJPEG(vlVaContext *context, vlVaBuffer *buf)
void vlVaHandleHuffmanTableBufferType(vlVaContext *context, vlVaBuffer *buf)
{
/* TODO */
VAHuffmanTableBufferJPEGBaseline *mjpeg = buf->data;
int i;
assert(buf->size >= sizeof(VASliceParameterBufferJPEGBaseline) && buf->num_elements == 1);
for (i = 0; i < 2; ++i) {
context->desc.mjpeg.huffman_table.load_huffman_table[i] = mjpeg->load_huffman_table[i];
memcpy(&context->desc.mjpeg.huffman_table.table[i].num_dc_codes,
mjpeg->huffman_table[i].num_dc_codes, 16);
memcpy(&context->desc.mjpeg.huffman_table.table[i].dc_values,
mjpeg->huffman_table[i].dc_values, 12);
memcpy(&context->desc.mjpeg.huffman_table.table[i].num_ac_codes,
mjpeg->huffman_table[i].num_ac_codes, 16);
memcpy(&context->desc.mjpeg.huffman_table.table[i].ac_values,
mjpeg->huffman_table[i].ac_values, 162);
memcpy(&context->desc.mjpeg.huffman_table.table[i].pad, mjpeg->huffman_table[i].pad, 2);
}
}
void vlVaHandleSliceParameterBufferMJPEG(vlVaContext *context, vlVaBuffer *buf)