mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
removed a bunch of unused, sub-optimal code
Originally committed as revision 4516 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Melanson
parent
8458dab185
commit
485bb00108
687
libavcodec/vp3.c
687
libavcodec/vp3.c
@ -620,230 +620,6 @@ static int init_block_mapping(Vp3DecodeContext *s)
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return 0; /* successful path out */
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}
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/*
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* This function unpacks a single token (which should be in the range 0..31)
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* and returns a zero run (number of zero coefficients in current DCT matrix
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* before next non-zero coefficient), the next DCT coefficient, and the
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* number of consecutive, non-EOB'd DCT blocks to EOB.
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*/
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static void unpack_token(GetBitContext *gb, int token, int *zero_run,
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DCTELEM *coeff, int *eob_run)
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{
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int sign;
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*zero_run = 0;
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*eob_run = 0;
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*coeff = 0;
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debug_token(" vp3 token %d: ", token);
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switch (token) {
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case 0:
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debug_token("DCT_EOB_TOKEN, EOB next block\n");
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*eob_run = 1;
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break;
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case 1:
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debug_token("DCT_EOB_PAIR_TOKEN, EOB next 2 blocks\n");
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*eob_run = 2;
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break;
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case 2:
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debug_token("DCT_EOB_TRIPLE_TOKEN, EOB next 3 blocks\n");
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*eob_run = 3;
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break;
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case 3:
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debug_token("DCT_REPEAT_RUN_TOKEN, ");
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*eob_run = get_bits(gb, 2) + 4;
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debug_token("EOB the next %d blocks\n", *eob_run);
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break;
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case 4:
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debug_token("DCT_REPEAT_RUN2_TOKEN, ");
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*eob_run = get_bits(gb, 3) + 8;
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debug_token("EOB the next %d blocks\n", *eob_run);
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break;
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case 5:
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debug_token("DCT_REPEAT_RUN3_TOKEN, ");
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*eob_run = get_bits(gb, 4) + 16;
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debug_token("EOB the next %d blocks\n", *eob_run);
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break;
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case 6:
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debug_token("DCT_REPEAT_RUN4_TOKEN, ");
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*eob_run = get_bits(gb, 12);
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debug_token("EOB the next %d blocks\n", *eob_run);
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break;
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case 7:
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debug_token("DCT_SHORT_ZRL_TOKEN, ");
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/* note that this token actually indicates that (3 extra bits) + 1 0s
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* should be output; this case specifies a run of (3 EBs) 0s and a
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* coefficient of 0. */
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*zero_run = get_bits(gb, 3);
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*coeff = 0;
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debug_token("skip the next %d positions in output matrix\n", *zero_run + 1);
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break;
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case 8:
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debug_token("DCT_ZRL_TOKEN, ");
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/* note that this token actually indicates that (6 extra bits) + 1 0s
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* should be output; this case specifies a run of (6 EBs) 0s and a
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* coefficient of 0. */
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*zero_run = get_bits(gb, 6);
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*coeff = 0;
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debug_token("skip the next %d positions in output matrix\n", *zero_run + 1);
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break;
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case 9:
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debug_token("ONE_TOKEN, output 1\n");
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*coeff = 1;
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break;
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case 10:
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debug_token("MINUS_ONE_TOKEN, output -1\n");
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*coeff = -1;
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break;
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case 11:
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debug_token("TWO_TOKEN, output 2\n");
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*coeff = 2;
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break;
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case 12:
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debug_token("MINUS_TWO_TOKEN, output -2\n");
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*coeff = -2;
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break;
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case 13:
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case 14:
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case 15:
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case 16:
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debug_token("LOW_VAL_TOKENS, ");
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if (get_bits(gb, 1))
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*coeff = -(3 + (token - 13));
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else
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*coeff = 3 + (token - 13);
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debug_token("output %d\n", *coeff);
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break;
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case 17:
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debug_token("DCT_VAL_CATEGORY3, ");
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sign = get_bits(gb, 1);
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*coeff = 7 + get_bits(gb, 1);
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if (sign)
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*coeff = -(*coeff);
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debug_token("output %d\n", *coeff);
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break;
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case 18:
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debug_token("DCT_VAL_CATEGORY4, ");
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sign = get_bits(gb, 1);
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*coeff = 9 + get_bits(gb, 2);
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if (sign)
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*coeff = -(*coeff);
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debug_token("output %d\n", *coeff);
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break;
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case 19:
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debug_token("DCT_VAL_CATEGORY5, ");
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sign = get_bits(gb, 1);
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*coeff = 13 + get_bits(gb, 3);
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if (sign)
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*coeff = -(*coeff);
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debug_token("output %d\n", *coeff);
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break;
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case 20:
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debug_token("DCT_VAL_CATEGORY6, ");
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sign = get_bits(gb, 1);
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*coeff = 21 + get_bits(gb, 4);
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if (sign)
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*coeff = -(*coeff);
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debug_token("output %d\n", *coeff);
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break;
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case 21:
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debug_token("DCT_VAL_CATEGORY7, ");
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sign = get_bits(gb, 1);
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*coeff = 37 + get_bits(gb, 5);
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if (sign)
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*coeff = -(*coeff);
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debug_token("output %d\n", *coeff);
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break;
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case 22:
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debug_token("DCT_VAL_CATEGORY8, ");
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sign = get_bits(gb, 1);
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*coeff = 69 + get_bits(gb, 9);
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if (sign)
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*coeff = -(*coeff);
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debug_token("output %d\n", *coeff);
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break;
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case 23:
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case 24:
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case 25:
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case 26:
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case 27:
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debug_token("DCT_RUN_CATEGORY1, ");
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*zero_run = token - 22;
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if (get_bits(gb, 1))
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*coeff = -1;
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else
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*coeff = 1;
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debug_token("output %d 0s, then %d\n", *zero_run, *coeff);
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break;
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case 28:
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debug_token("DCT_RUN_CATEGORY1B, ");
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if (get_bits(gb, 1))
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*coeff = -1;
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else
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*coeff = 1;
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*zero_run = 6 + get_bits(gb, 2);
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debug_token("output %d 0s, then %d\n", *zero_run, *coeff);
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break;
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case 29:
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debug_token("DCT_RUN_CATEGORY1C, ");
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if (get_bits(gb, 1))
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*coeff = -1;
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else
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*coeff = 1;
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*zero_run = 10 + get_bits(gb, 3);
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debug_token("output %d 0s, then %d\n", *zero_run, *coeff);
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break;
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case 30:
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debug_token("DCT_RUN_CATEGORY2, ");
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sign = get_bits(gb, 1);
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*coeff = 2 + get_bits(gb, 1);
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if (sign)
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*coeff = -(*coeff);
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*zero_run = 1;
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debug_token("output %d 0s, then %d\n", *zero_run, *coeff);
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break;
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case 31:
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debug_token("DCT_RUN_CATEGORY2, ");
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sign = get_bits(gb, 1);
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*coeff = 2 + get_bits(gb, 1);
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if (sign)
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*coeff = -(*coeff);
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*zero_run = 2 + get_bits(gb, 1);
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debug_token("output %d 0s, then %d\n", *zero_run, *coeff);
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break;
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default:
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av_log(NULL, AV_LOG_ERROR, " vp3: help! Got a bad token: %d > 31\n", token);
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break;
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}
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}
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/*
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* This function wipes out all of the fragment data.
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*/
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@ -982,213 +758,6 @@ static void init_loop_filter(Vp3DecodeContext *s)
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}
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}
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/*
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* This function is used to fetch runs of 1s or 0s from the bitstream for
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* use in determining which superblocks are fully and partially coded.
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*
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* Codeword RunLength
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* 0 1
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* 10x 2-3
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* 110x 4-5
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* 1110xx 6-9
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* 11110xxx 10-17
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* 111110xxxx 18-33
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* 111111xxxxxxxxxxxx 34-4129
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*/
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static int get_superblock_run_length(GetBitContext *gb)
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{
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if (get_bits(gb, 1) == 0)
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return 1;
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else if (get_bits(gb, 1) == 0)
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return (2 + get_bits(gb, 1));
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else if (get_bits(gb, 1) == 0)
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return (4 + get_bits(gb, 1));
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else if (get_bits(gb, 1) == 0)
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return (6 + get_bits(gb, 2));
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else if (get_bits(gb, 1) == 0)
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return (10 + get_bits(gb, 3));
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else if (get_bits(gb, 1) == 0)
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return (18 + get_bits(gb, 4));
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else
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return (34 + get_bits(gb, 12));
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}
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/*
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* This function is used to fetch runs of 1s or 0s from the bitstream for
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* use in determining which particular fragments are coded.
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*
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* Codeword RunLength
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* 0x 1-2
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* 10x 3-4
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* 110x 5-6
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* 1110xx 7-10
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* 11110xx 11-14
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* 11111xxxx 15-30
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*/
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static int get_fragment_run_length(GetBitContext *gb)
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{
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if (get_bits(gb, 1) == 0)
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return (1 + get_bits(gb, 1));
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else if (get_bits(gb, 1) == 0)
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return (3 + get_bits(gb, 1));
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else if (get_bits(gb, 1) == 0)
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return (5 + get_bits(gb, 1));
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else if (get_bits(gb, 1) == 0)
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return (7 + get_bits(gb, 2));
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else if (get_bits(gb, 1) == 0)
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return (11 + get_bits(gb, 2));
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else
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return (15 + get_bits(gb, 4));
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}
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/*
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* This function decodes a VLC from the bitstream and returns a number
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* that ranges from 0..7. The number indicates which of the 8 coding
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* modes to use.
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*
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* VLC Number
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* 0 0
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* 10 1
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* 110 2
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* 1110 3
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* 11110 4
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* 111110 5
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* 1111110 6
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* 1111111 7
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*
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*/
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static int get_mode_code(GetBitContext *gb)
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{
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if (get_bits(gb, 1) == 0)
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return 0;
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else if (get_bits(gb, 1) == 0)
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return 1;
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else if (get_bits(gb, 1) == 0)
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return 2;
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else if (get_bits(gb, 1) == 0)
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return 3;
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else if (get_bits(gb, 1) == 0)
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return 4;
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else if (get_bits(gb, 1) == 0)
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return 5;
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else if (get_bits(gb, 1) == 0)
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return 6;
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else
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return 7;
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}
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/*
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* This function extracts a motion vector from the bitstream using a VLC
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* scheme. 3 bits are fetched from the bitstream and 1 of 8 actions is
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* taken depending on the value on those 3 bits:
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*
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* 0: return 0
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* 1: return 1
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* 2: return -1
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* 3: if (next bit is 1) return -2, else return 2
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* 4: if (next bit is 1) return -3, else return 3
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* 5: return 4 + (next 2 bits), next bit is sign
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* 6: return 8 + (next 3 bits), next bit is sign
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* 7: return 16 + (next 4 bits), next bit is sign
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*/
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static int get_motion_vector_vlc(GetBitContext *gb)
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{
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int bits;
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bits = get_bits(gb, 3);
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switch(bits) {
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case 0:
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bits = 0;
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break;
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case 1:
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bits = 1;
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break;
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case 2:
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bits = -1;
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break;
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case 3:
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if (get_bits(gb, 1) == 0)
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bits = 2;
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else
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bits = -2;
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break;
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case 4:
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if (get_bits(gb, 1) == 0)
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bits = 3;
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else
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bits = -3;
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break;
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case 5:
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bits = 4 + get_bits(gb, 2);
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if (get_bits(gb, 1) == 1)
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bits = -bits;
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break;
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case 6:
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bits = 8 + get_bits(gb, 3);
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if (get_bits(gb, 1) == 1)
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bits = -bits;
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break;
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case 7:
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bits = 16 + get_bits(gb, 4);
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if (get_bits(gb, 1) == 1)
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bits = -bits;
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break;
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}
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return bits;
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}
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/*
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* This function fetches a 5-bit number from the stream followed by
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* a sign and calls it a motion vector.
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*/
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static int get_motion_vector_fixed(GetBitContext *gb)
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{
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int bits;
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bits = get_bits(gb, 5);
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if (get_bits(gb, 1) == 1)
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bits = -bits;
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return bits;
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}
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/*
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* This function unpacks all of the superblock/macroblock/fragment coding
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* information from the bitstream.
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@ -1222,14 +791,10 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb)
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while (current_superblock < s->superblock_count) {
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if (current_run-- == 0) {
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bit ^= 1;
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#if 1
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current_run = get_vlc2(gb,
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s->superblock_run_length_vlc.table, 6, 2);
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if (current_run == 33)
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current_run += get_bits(gb, 12);
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#else
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current_run = get_superblock_run_length(gb);
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#endif
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debug_block_coding(" setting superblocks %d..%d to %s\n",
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current_superblock,
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current_superblock + current_run - 1,
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@ -1266,14 +831,10 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb)
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if (current_run-- == 0) {
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bit ^= 1;
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#if 1
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current_run = get_vlc2(gb,
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s->superblock_run_length_vlc.table, 6, 2);
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if (current_run == 33)
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current_run += get_bits(gb, 12);
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#else
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current_run = get_superblock_run_length(gb);
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#endif
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}
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debug_block_coding(" setting superblock %d to %s\n",
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@ -1330,12 +891,8 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb)
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* that cares about the fragment coding runs */
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if (current_run-- == 0) {
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bit ^= 1;
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#if 1
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current_run = get_vlc2(gb,
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s->fragment_run_length_vlc.table, 5, 2);
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#else
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current_run = get_fragment_run_length(gb);
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#endif
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}
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if (bit) {
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@ -1463,14 +1020,8 @@ static int unpack_modes(Vp3DecodeContext *s, GetBitContext *gb)
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if (scheme == 7)
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coding_mode = get_bits(gb, 3);
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else
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{
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#if 1
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coding_mode = ModeAlphabet[scheme]
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[get_vlc2(gb, s->mode_code_vlc.table, 3, 3)];
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#else
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coding_mode = ModeAlphabet[scheme][get_mode_code(gb)];
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#endif
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}
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s->macroblock_coding[current_macroblock] = coding_mode;
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for (k = 0; k < 6; k++) {
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@ -1557,21 +1108,11 @@ static int unpack_vectors(Vp3DecodeContext *s, GetBitContext *gb)
|
||||
case MODE_GOLDEN_MV:
|
||||
/* all 6 fragments use the same motion vector */
|
||||
if (coding_mode == 0) {
|
||||
#if 1
|
||||
motion_x[0] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
|
||||
motion_y[0] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
|
||||
#else
|
||||
motion_x[0] = get_motion_vector_vlc(gb);
|
||||
motion_y[0] = get_motion_vector_vlc(gb);
|
||||
#endif
|
||||
} else {
|
||||
#if 1
|
||||
motion_x[0] = fixed_motion_vector_table[get_bits(gb, 6)];
|
||||
motion_y[0] = fixed_motion_vector_table[get_bits(gb, 6)];
|
||||
#else
|
||||
motion_x[0] = get_motion_vector_fixed(gb);
|
||||
motion_y[0] = get_motion_vector_fixed(gb);
|
||||
#endif
|
||||
}
|
||||
|
||||
for (k = 1; k < 6; k++) {
|
||||
@ -1595,21 +1136,11 @@ static int unpack_vectors(Vp3DecodeContext *s, GetBitContext *gb)
|
||||
motion_x[4] = motion_y[4] = 0;
|
||||
for (k = 0; k < 4; k++) {
|
||||
if (coding_mode == 0) {
|
||||
#if 1
|
||||
motion_x[k] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
|
||||
motion_y[k] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
|
||||
#else
|
||||
motion_x[k] = get_motion_vector_vlc(gb);
|
||||
motion_y[k] = get_motion_vector_vlc(gb);
|
||||
#endif
|
||||
} else {
|
||||
#if 1
|
||||
motion_x[k] = fixed_motion_vector_table[get_bits(gb, 6)];
|
||||
motion_y[k] = fixed_motion_vector_table[get_bits(gb, 6)];
|
||||
#else
|
||||
motion_x[k] = get_motion_vector_fixed(gb);
|
||||
motion_y[k] = get_motion_vector_fixed(gb);
|
||||
#endif
|
||||
}
|
||||
motion_x[4] += motion_x[k];
|
||||
motion_y[4] += motion_y[k];
|
||||
@ -1744,7 +1275,6 @@ static int unpack_vlcs(Vp3DecodeContext *s, GetBitContext *gb,
|
||||
token = get_vlc2(gb, table->table, 5, 3);
|
||||
debug_vlc(" token = %2d, ", token);
|
||||
/* use the token to get a zero run, a coefficient, and an eob run */
|
||||
#if 1
|
||||
if (token <= 6) {
|
||||
eob_run = eob_run_base[token];
|
||||
if (eob_run_get_bits[token])
|
||||
@ -1761,9 +1291,6 @@ static int unpack_vlcs(Vp3DecodeContext *s, GetBitContext *gb,
|
||||
if (zero_run_get_bits[token])
|
||||
zero_run += get_bits(gb, zero_run_get_bits[token]);
|
||||
}
|
||||
#else
|
||||
unpack_token(gb, token, &zero_run, &coeff, &eob_run);
|
||||
#endif
|
||||
}
|
||||
|
||||
if (!eob_run) {
|
||||
@ -2443,209 +1970,6 @@ static void render_slice(Vp3DecodeContext *s, int slice)
|
||||
emms_c();
|
||||
}
|
||||
|
||||
/*
|
||||
* This function performs the final rendering of each fragment's data
|
||||
* onto the output frame.
|
||||
*/
|
||||
static void render_fragments(Vp3DecodeContext *s,
|
||||
int first_fragment,
|
||||
int width,
|
||||
int height,
|
||||
int plane /* 0 = Y, 1 = U, 2 = V */)
|
||||
{
|
||||
int x, y;
|
||||
int m, n;
|
||||
int i = first_fragment;
|
||||
int16_t *dequantizer;
|
||||
DCTELEM __align16 block[64];
|
||||
unsigned char *output_plane;
|
||||
unsigned char *last_plane;
|
||||
unsigned char *golden_plane;
|
||||
int stride;
|
||||
int motion_x = 0xdeadbeef, motion_y = 0xdeadbeef;
|
||||
int upper_motion_limit, lower_motion_limit;
|
||||
int motion_halfpel_index;
|
||||
uint8_t *motion_source;
|
||||
|
||||
debug_vp3(" vp3: rendering final fragments for %s\n",
|
||||
(plane == 0) ? "Y plane" : (plane == 1) ? "U plane" : "V plane");
|
||||
|
||||
/* set up plane-specific parameters */
|
||||
if (plane == 0) {
|
||||
output_plane = s->current_frame.data[0];
|
||||
last_plane = s->last_frame.data[0];
|
||||
golden_plane = s->golden_frame.data[0];
|
||||
stride = s->current_frame.linesize[0];
|
||||
if (!s->flipped_image) stride = -stride;
|
||||
upper_motion_limit = 7 * s->current_frame.linesize[0];
|
||||
lower_motion_limit = height * s->current_frame.linesize[0] + width - 8;
|
||||
} else if (plane == 1) {
|
||||
output_plane = s->current_frame.data[1];
|
||||
last_plane = s->last_frame.data[1];
|
||||
golden_plane = s->golden_frame.data[1];
|
||||
stride = s->current_frame.linesize[1];
|
||||
if (!s->flipped_image) stride = -stride;
|
||||
upper_motion_limit = 7 * s->current_frame.linesize[1];
|
||||
lower_motion_limit = height * s->current_frame.linesize[1] + width - 8;
|
||||
} else {
|
||||
output_plane = s->current_frame.data[2];
|
||||
last_plane = s->last_frame.data[2];
|
||||
golden_plane = s->golden_frame.data[2];
|
||||
stride = s->current_frame.linesize[2];
|
||||
if (!s->flipped_image) stride = -stride;
|
||||
upper_motion_limit = 7 * s->current_frame.linesize[2];
|
||||
lower_motion_limit = height * s->current_frame.linesize[2] + width - 8;
|
||||
}
|
||||
|
||||
if(ABS(stride) > 2048)
|
||||
return; //various tables are fixed size
|
||||
|
||||
/* for each fragment row... */
|
||||
for (y = 0; y < height; y += 8) {
|
||||
|
||||
/* for each fragment in a row... */
|
||||
for (x = 0; x < width; x += 8, i++) {
|
||||
|
||||
if ((i < 0) || (i >= s->fragment_count)) {
|
||||
av_log(s->avctx, AV_LOG_ERROR, " vp3:render_fragments(): bad fragment number (%d)\n", i);
|
||||
return;
|
||||
}
|
||||
|
||||
/* transform if this block was coded */
|
||||
if ((s->all_fragments[i].coding_method != MODE_COPY) &&
|
||||
!((s->avctx->flags & CODEC_FLAG_GRAY) && plane)) {
|
||||
|
||||
if ((s->all_fragments[i].coding_method == MODE_USING_GOLDEN) ||
|
||||
(s->all_fragments[i].coding_method == MODE_GOLDEN_MV))
|
||||
motion_source= golden_plane;
|
||||
else
|
||||
motion_source= last_plane;
|
||||
|
||||
motion_source += s->all_fragments[i].first_pixel;
|
||||
motion_halfpel_index = 0;
|
||||
|
||||
/* sort out the motion vector if this fragment is coded
|
||||
* using a motion vector method */
|
||||
if ((s->all_fragments[i].coding_method > MODE_INTRA) &&
|
||||
(s->all_fragments[i].coding_method != MODE_USING_GOLDEN)) {
|
||||
int src_x, src_y;
|
||||
motion_x = s->all_fragments[i].motion_x;
|
||||
motion_y = s->all_fragments[i].motion_y;
|
||||
if(plane){
|
||||
motion_x= (motion_x>>1) | (motion_x&1);
|
||||
motion_y= (motion_y>>1) | (motion_y&1);
|
||||
}
|
||||
|
||||
src_x= (motion_x>>1) + x;
|
||||
src_y= (motion_y>>1) + y;
|
||||
if ((motion_x == 127) || (motion_y == 127))
|
||||
av_log(s->avctx, AV_LOG_ERROR, " help! got invalid motion vector! (%X, %X)\n", motion_x, motion_y);
|
||||
|
||||
motion_halfpel_index = motion_x & 0x01;
|
||||
motion_source += (motion_x >> 1);
|
||||
|
||||
motion_halfpel_index |= (motion_y & 0x01) << 1;
|
||||
motion_source += ((motion_y >> 1) * stride);
|
||||
|
||||
if(src_x<0 || src_y<0 || src_x + 9 >= width || src_y + 9 >= height){
|
||||
uint8_t *temp= s->edge_emu_buffer;
|
||||
if(stride<0) temp -= 9*stride;
|
||||
else temp += 9*stride;
|
||||
|
||||
ff_emulated_edge_mc(temp, motion_source, stride, 9, 9, src_x, src_y, width, height);
|
||||
motion_source= temp;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* first, take care of copying a block from either the
|
||||
* previous or the golden frame */
|
||||
if (s->all_fragments[i].coding_method != MODE_INTRA) {
|
||||
//Note, it is possible to implement all MC cases with put_no_rnd_pixels_l2 which would look more like the VP3 source but this would be slower as put_no_rnd_pixels_tab is better optimzed
|
||||
if(motion_halfpel_index != 3){
|
||||
s->dsp.put_no_rnd_pixels_tab[1][motion_halfpel_index](
|
||||
output_plane + s->all_fragments[i].first_pixel,
|
||||
motion_source, stride, 8);
|
||||
}else{
|
||||
int d= (motion_x ^ motion_y)>>31; // d is 0 if motion_x and _y have the same sign, else -1
|
||||
s->dsp.put_no_rnd_pixels_l2[1](
|
||||
output_plane + s->all_fragments[i].first_pixel,
|
||||
motion_source - d,
|
||||
motion_source + stride + 1 + d,
|
||||
stride, 8);
|
||||
}
|
||||
dequantizer = s->inter_dequant;
|
||||
}else{
|
||||
if (plane == 0)
|
||||
dequantizer = s->intra_y_dequant;
|
||||
else
|
||||
dequantizer = s->intra_c_dequant;
|
||||
}
|
||||
|
||||
/* dequantize the DCT coefficients */
|
||||
debug_idct("fragment %d, coding mode %d, DC = %d, dequant = %d:\n",
|
||||
i, s->all_fragments[i].coding_method,
|
||||
DC_COEFF(i), dequantizer[0]);
|
||||
|
||||
if(s->avctx->idct_algo==FF_IDCT_VP3){
|
||||
Coeff *coeff= s->coeffs + i;
|
||||
memset(block, 0, sizeof(block));
|
||||
while(coeff->next){
|
||||
block[coeff->index]= coeff->coeff * dequantizer[coeff->index];
|
||||
coeff= coeff->next;
|
||||
}
|
||||
}else{
|
||||
Coeff *coeff= s->coeffs + i;
|
||||
memset(block, 0, sizeof(block));
|
||||
while(coeff->next){
|
||||
block[coeff->index]= (coeff->coeff * dequantizer[coeff->index] + 2)>>2;
|
||||
coeff= coeff->next;
|
||||
}
|
||||
}
|
||||
|
||||
/* invert DCT and place (or add) in final output */
|
||||
|
||||
if (s->all_fragments[i].coding_method == MODE_INTRA) {
|
||||
if(s->avctx->idct_algo!=FF_IDCT_VP3)
|
||||
block[0] += 128<<3;
|
||||
s->dsp.idct_put(
|
||||
output_plane + s->all_fragments[i].first_pixel,
|
||||
stride,
|
||||
block);
|
||||
} else {
|
||||
s->dsp.idct_add(
|
||||
output_plane + s->all_fragments[i].first_pixel,
|
||||
stride,
|
||||
block);
|
||||
}
|
||||
|
||||
debug_idct("block after idct_%s():\n",
|
||||
(s->all_fragments[i].coding_method == MODE_INTRA)?
|
||||
"put" : "add");
|
||||
for (m = 0; m < 8; m++) {
|
||||
for (n = 0; n < 8; n++) {
|
||||
debug_idct(" %3d", *(output_plane +
|
||||
s->all_fragments[i].first_pixel + (m * stride + n)));
|
||||
}
|
||||
debug_idct("\n");
|
||||
}
|
||||
debug_idct("\n");
|
||||
|
||||
} else {
|
||||
|
||||
/* copy directly from the previous frame */
|
||||
s->dsp.put_pixels_tab[1][0](
|
||||
output_plane + s->all_fragments[i].first_pixel,
|
||||
last_plane + s->all_fragments[i].first_pixel,
|
||||
stride, 8);
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
emms_c();
|
||||
}
|
||||
|
||||
static void horizontal_filter(unsigned char *first_pixel, int stride,
|
||||
int *bounding_values)
|
||||
{
|
||||
@ -3233,19 +2557,8 @@ if (!s->keyframe) {
|
||||
STOP_TIMER("reverse_dc_prediction")}
|
||||
{START_TIMER
|
||||
|
||||
#if 1
|
||||
for (i = 0; i < s->macroblock_height; i++)
|
||||
render_slice(s, i);
|
||||
#else
|
||||
render_fragments(s, 0, s->width, s->height, 0);
|
||||
if ((avctx->flags & CODEC_FLAG_GRAY) == 0) {
|
||||
render_fragments(s, s->u_fragment_start, s->width / 2, s->height / 2, 1);
|
||||
render_fragments(s, s->v_fragment_start, s->width / 2, s->height / 2, 2);
|
||||
} else {
|
||||
memset(s->current_frame.data[1], 0x80, s->width * s->height / 4);
|
||||
memset(s->current_frame.data[2], 0x80, s->width * s->height / 4);
|
||||
}
|
||||
#endif
|
||||
STOP_TIMER("render_fragments")}
|
||||
|
||||
{START_TIMER
|
||||
|
||||
Loading…
Reference in New Issue
Block a user