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Viewing changes to gst-libs/ext/ffmpeg/libavcodec/smc.c

  • Committer: Bazaar Package Importer
  • Author(s): Sebastian Dröge
  • Date: 2006-04-01 16:13:43 UTC
  • mto: This revision was merged to the branch mainline in revision 5.
  • Revision ID: james.westby@ubuntu.com-20060401161343-n621cgjlujio0otg
Tags: upstream-0.10.1
Import upstream version 0.10.1

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gst-libs/ext/ffmpeg/libavcodec/smc.c
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 *
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 */
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            /* figure out where the previous block started */
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            if (pixel_ptr == 0)
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                prev_block_ptr1 = 
 
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                prev_block_ptr1 =
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                    (row_ptr - s->avctx->width * 4) + s->avctx->width - 4;
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            else
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                prev_block_ptr1 = row_ptr + pixel_ptr - 4;
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            /* sanity check */
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            if ((row_ptr == 0) && (pixel_ptr < 2 * 4)) {
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                av_log(s->avctx, AV_LOG_INFO, "encountered repeat block opcode (%02X) but not enough blocks rendered yet\n",
 
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                av_log(s->avctx, AV_LOG_INFO, "encountered repeat block opcode (%02X) but not enough blocks rendered yet\n",
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                    opcode & 0xF0);
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                break;
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            }
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            /* figure out where the previous 2 blocks started */
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            if (pixel_ptr == 0)
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                prev_block_ptr1 = (row_ptr - s->avctx->width * 4) + 
 
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                prev_block_ptr1 = (row_ptr - s->avctx->width * 4) +
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                    s->avctx->width - 4 * 2;
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            else if (pixel_ptr == 4)
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                prev_block_ptr1 = (row_ptr - s->avctx->width * 4) + row_inc;
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                block_ptr = row_ptr + pixel_ptr;
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                for (pixel_y = 0; pixel_y < 4; pixel_y++) {
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                    for (pixel_x = 0; pixel_x < 4; pixel_x++) {
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                        pixel = color_table_index + 
 
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                        pixel = color_table_index +
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                            ((color_flags >> flag_mask) & 0x03);
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                        flag_mask -= 2;
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                        pixels[block_ptr++] = s->color_quads[pixel];
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                        flag_mask = 21;
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                    }
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                    for (pixel_x = 0; pixel_x < 4; pixel_x++) {
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                        pixel = color_table_index + 
 
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                        pixel = color_table_index +
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                            ((color_flags >> flag_mask) & 0x07);
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                        flag_mask -= 3;
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                        pixels[block_ptr++] = s->color_octets[pixel];
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    s->size = buf_size;
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    s->frame.reference = 1;
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    s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | 
 
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    s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE |
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                            FF_BUFFER_HINTS_REUSABLE | FF_BUFFER_HINTS_READABLE;
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    if (avctx->reget_buffer(avctx, &s->frame)) {
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        av_log(s->avctx, AV_LOG_ERROR, "reget_buffer() failed\n");