return result;
}
+static void get_mjpeg_slice_header(struct ruvd_decoder *dec, struct pipe_mjpeg_picture_desc *pic)
+{
+ int size = 0, saved_size, len_pos, i;
+ uint16_t *bs;
+ uint8_t *buf = dec->bs_ptr;
+
+ /* SOI */
+ buf[size++] = 0xff;
+ buf[size++] = 0xd8;
+
+ /* DQT */
+ buf[size++] = 0xff;
+ buf[size++] = 0xdb;
+
+ len_pos = size++;
+ size++;
+
+ for (i = 0; i < 4; ++i) {
+ if (pic->quantization_table.load_quantiser_table[i] == 0)
+ continue;
+
+ buf[size++] = i;
+ memcpy((buf + size), &pic->quantization_table.quantiser_table, 64);
+ size += 64;
+ }
+
+ bs = (uint16_t*)&buf[len_pos];
+ *bs = util_bswap16(size - 4);
+
+ saved_size = size;
+
+ /* DHT */
+ buf[size++] = 0xff;
+ buf[size++] = 0xc4;
+
+ len_pos = size++;
+ size++;
+
+ for (i = 0; i < 2; ++i) {
+ if (pic->huffman_table.load_huffman_table[i] == 0)
+ continue;
+
+ buf[size++] = 0x00 | i;
+ memcpy((buf + size), &pic->huffman_table.table[i].num_dc_codes, 16);
+ size += 16;
+ memcpy((buf + size), &pic->huffman_table.table[i].dc_values, 12);
+ size += 12;
+ }
+
+ for (i = 0; i < 2; ++i) {
+ if (pic->huffman_table.load_huffman_table[i] == 0)
+ continue;
+
+ buf[size++] = 0x10 | i;
+ memcpy((buf + size), &pic->huffman_table.table[i].num_ac_codes, 16);
+ size += 16;
+ memcpy((buf + size), &pic->huffman_table.table[i].ac_values, 162);
+ size += 162;
+ }
+
+ bs = (uint16_t*)&buf[len_pos];
+ *bs = util_bswap16(size - saved_size - 2);
+
+ saved_size = size;
+
+ /* SOF */
+ buf[size++] = 0xff;
+ buf[size++] = 0xc0;
+
+ len_pos = size++;
+ size++;
+
+ buf[size++] = 0x08;
+
+ bs = (uint16_t*)&buf[size++];
+ *bs = util_bswap16(pic->picture_parameter.picture_height);
+ size++;
+
+ bs = (uint16_t*)&buf[size++];
+ *bs = util_bswap16(pic->picture_parameter.picture_width);
+ size++;
+
+ buf[size++] = pic->picture_parameter.num_components;
+
+ for (i = 0; i < pic->picture_parameter.num_components; ++i) {
+ buf[size++] = pic->picture_parameter.components[i].component_id;
+ buf[size++] = pic->picture_parameter.components[i].h_sampling_factor << 4 |
+ pic->picture_parameter.components[i].v_sampling_factor;
+ buf[size++] = pic->picture_parameter.components[i].quantiser_table_selector;
+ }
+
+ bs = (uint16_t*)&buf[len_pos];
+ *bs = util_bswap16(size - saved_size - 2);
+
+ saved_size = size;
+
+ /* SOS */
+ buf[size++] = 0xff;
+ buf[size++] = 0xda;
+
+ len_pos = size++;
+ size++;
+
+ buf[size++] = pic->slice_parameter.num_components;
+
+ for (i = 0; i < pic->slice_parameter.num_components; ++i) {
+ buf[size++] = pic->slice_parameter.components[i].component_selector;
+ buf[size++] = pic->slice_parameter.components[i].dc_table_selector << 4 |
+ pic->slice_parameter.components[i].ac_table_selector;
+ }
+
+ buf[size++] = 0x00;
+ buf[size++] = 0x3f;
+ buf[size++] = 0x00;
+
+ bs = (uint16_t*)&buf[len_pos];
+ *bs = util_bswap16(size - saved_size - 2);
+
+ dec->bs_ptr += size;
+ dec->bs_size += size;
+}
+
/**
* destroy this video decoder
*/
const unsigned *sizes)
{
struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
+ enum pipe_video_format format = u_reduce_video_profile(picture->profile);
unsigned i;
assert(decoder);
if (!dec->bs_ptr)
return;
+ if (format == PIPE_VIDEO_FORMAT_JPEG)
+ get_mjpeg_slice_header(dec, (struct pipe_mjpeg_picture_desc*)picture);
+
for (i = 0; i < num_buffers; ++i) {
struct rvid_buffer *buf = &dec->bs_buffers[dec->cur_buffer];
unsigned new_size = dec->bs_size + sizes[i];
+ if (format == PIPE_VIDEO_FORMAT_JPEG)
+ new_size += 2; /* save for EOI */
+
if (new_size > buf->res->buf->size) {
dec->ws->buffer_unmap(buf->res->buf);
if (!rvid_resize_buffer(dec->screen, dec->cs, buf, new_size)) {
dec->bs_size += sizes[i];
dec->bs_ptr += sizes[i];
}
+
+ if (format == PIPE_VIDEO_FORMAT_JPEG) {
+ ((uint8_t *)dec->bs_ptr)[0] = 0xff; /* EOI */
+ ((uint8_t *)dec->bs_ptr)[1] = 0xd9;
+ dec->bs_size += 2;
+ dec->bs_ptr += 2;
+ }
}
/**