[Ffmpeg-cvslog] r6520 - in trunk/libavcodec: vorbis_enc.c vorbis_enc_data.h
ods15
subversion
Mon Oct 2 08:56:40 CEST 2006
Author: ods15
Date: Mon Oct 2 08:56:39 2006
New Revision: 6520
Added:
trunk/libavcodec/vorbis_enc_data.h
- copied, changed from r6519, /trunk/libavcodec/vorbis_enc.c
Modified:
trunk/libavcodec/vorbis_enc.c
Log:
add vorbis_enc_data.h, remove codebook data from vorbis_enc.c
Modified: trunk/libavcodec/vorbis_enc.c
==============================================================================
--- trunk/libavcodec/vorbis_enc.c (original)
+++ trunk/libavcodec/vorbis_enc.c Mon Oct 2 08:56:39 2006
@@ -26,6 +26,7 @@
#include "avcodec.h"
#include "dsputil.h"
#include "vorbis.h"
+#include "vorbis_enc_data.h"
#undef NDEBUG
#include <assert.h>
@@ -124,472 +125,6 @@
uint8_t * buf_ptr;
} PutBitContext;
-static const uint8_t codebook0[] = {
- 2, 10, 8, 14, 7, 12, 11, 14, 1, 5, 3, 7, 4, 9, 7,
- 13,
-};
-
-static const uint8_t codebook1[] = {
- 1, 4, 2, 6, 3, 7, 5, 7,
-};
-
-static const uint8_t codebook2[] = {
- 1, 5, 7, 21, 5, 8, 9, 21, 10, 9, 12, 20, 20, 16, 20,
- 20, 4, 8, 9, 20, 6, 8, 9, 20, 11, 11, 13, 20, 20, 15,
- 17, 20, 9, 11, 14, 20, 8, 10, 15, 20, 11, 13, 15, 20, 20,
- 20, 20, 20, 20, 20, 20, 20, 13, 20, 20, 20, 18, 18, 20, 20,
- 20, 20, 20, 20, 3, 6, 8, 20, 6, 7, 9, 20, 10, 9, 12,
- 20, 20, 20, 20, 20, 5, 7, 9, 20, 6, 6, 9, 20, 10, 9,
- 12, 20, 20, 20, 20, 20, 8, 10, 13, 20, 8, 9, 12, 20, 11,
- 10, 12, 20, 20, 20, 20, 20, 18, 20, 20, 20, 15, 17, 18, 20,
- 18, 17, 18, 20, 20, 20, 20, 20, 7, 10, 12, 20, 8, 9, 11,
- 20, 14, 13, 14, 20, 20, 20, 20, 20, 6, 9, 12, 20, 7, 8,
- 11, 20, 12, 11, 13, 20, 20, 20, 20, 20, 9, 11, 15, 20, 8,
- 10, 14, 20, 12, 11, 14, 20, 20, 20, 20, 20, 20, 20, 20, 20,
- 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 11, 16, 18,
- 20, 15, 15, 17, 20, 20, 17, 20, 20, 20, 20, 20, 20, 9, 14,
- 16, 20, 12, 12, 15, 20, 17, 15, 18, 20, 20, 20, 20, 20, 16,
- 19, 18, 20, 15, 16, 20, 20, 17, 17, 20, 20, 20, 20, 20, 20,
- 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
- 20,
-};
-
-static const uint8_t codebook3[] = {
- 2, 3, 7, 13, 4, 4, 7, 15, 8, 6, 9, 17, 21, 16, 15,
- 21, 2, 5, 7, 11, 5, 5, 7, 14, 9, 7, 10, 16, 17, 15,
- 16, 21, 4, 7, 10, 17, 7, 7, 9, 15, 11, 9, 11, 16, 21,
- 18, 15, 21, 18, 21, 21, 21, 15, 17, 17, 19, 21, 19, 18, 20,
- 21, 21, 21, 20,
-};
-
-static const uint8_t codebook4[] = {
- 5, 5, 5, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6,
- 5, 6, 5, 6, 5, 6, 5, 6, 5, 7, 5, 7, 5, 7, 5,
- 7, 5, 8, 6, 8, 6, 8, 6, 9, 6, 9, 6, 10, 6, 10,
- 6, 11, 6, 11, 7, 11, 7, 12, 7, 12, 7, 12, 7, 12, 7,
- 12, 7, 12, 7, 12, 7, 12, 8, 13, 8, 12, 8, 12, 8, 13,
- 8, 13, 9, 13, 9, 13, 9, 13, 9, 12, 10, 12, 10, 13, 10,
- 14, 11, 14, 12, 14, 13, 14, 13, 14, 14, 15, 16, 15, 15, 15,
- 14, 15, 17, 21, 22, 22, 21, 22, 22, 22, 22, 22, 22, 21, 21,
- 21, 21, 21, 21, 21, 21, 21, 21,
-};
-
-static const uint8_t codebook5[] = {
- 2, 5, 5, 4, 5, 4, 5, 4, 5, 4, 6, 5, 6, 5, 6,
- 5, 6, 5, 7, 5, 7, 6, 8, 6, 8, 6, 8, 6, 9, 6,
- 9, 6,
-};
-
-static const uint8_t codebook6[] = {
- 8, 5, 8, 4, 9, 4, 9, 4, 9, 4, 9, 4, 9, 4, 9,
- 4, 9, 4, 9, 4, 9, 4, 8, 4, 8, 4, 9, 5, 9, 5,
- 9, 5, 9, 5, 9, 6, 10, 6, 10, 7, 10, 8, 11, 9, 11,
- 11, 12, 13, 12, 14, 13, 15, 13, 15, 14, 16, 14, 17, 15, 17,
- 15, 15, 16, 16, 15, 16, 16, 16, 15, 18, 16, 15, 17, 17, 19,
- 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
- 19, 19, 19, 19, 19, 19,
-};
-
-static const uint8_t codebook7[] = {
- 1, 5, 5, 5, 5, 5, 5, 5, 6, 5, 6, 5, 6, 5, 6,
- 5, 6, 6, 7, 7, 7, 7, 8, 7, 8, 8, 9, 8, 10, 9,
- 10, 9,
-};
-
-static const uint8_t codebook8[] = {
- 4, 3, 4, 3, 4, 4, 5, 4, 5, 4, 5, 5, 6, 5, 6,
- 5, 7, 5, 7, 6, 7, 6, 8, 7, 8, 7, 8, 7, 9, 8,
- 9, 9, 9, 9, 10, 10, 10, 11, 9, 12, 9, 12, 9, 15, 10,
- 14, 9, 13, 10, 13, 10, 12, 10, 12, 10, 13, 10, 12, 11, 13,
- 11, 14, 12, 13, 13, 14, 14, 13, 14, 15, 14, 16, 13, 13, 14,
- 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 15, 15,
-};
-
-static const uint8_t codebook9[] = {
- 4, 5, 4, 5, 3, 5, 3, 5, 3, 5, 4, 4, 4, 4, 5,
- 5, 5,
-};
-
-static const uint8_t codebook10[] = {
- 3, 3, 4, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 5,
- 7, 5, 8, 6, 8, 6, 9, 7, 10, 7, 10, 8, 10, 8, 11,
- 9, 11,
-};
-
-static const uint8_t codebook11[] = {
- 3, 7, 3, 8, 3, 10, 3, 8, 3, 9, 3, 8, 4, 9, 4,
- 9, 5, 9, 6, 10, 6, 9, 7, 11, 7, 12, 9, 13, 10, 13,
- 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12,
-};
-
-static const uint8_t codebook12[] = {
- 4, 5, 4, 5, 4, 5, 4, 5, 3, 5, 3, 5, 3, 5, 4,
- 5, 4,
-};
-
-static const uint8_t codebook13[] = {
- 4, 2, 4, 2, 5, 3, 5, 4, 6, 6, 6, 7, 7, 8, 7,
- 8, 7, 8, 7, 9, 8, 9, 8, 9, 8, 10, 8, 11, 9, 12,
- 9, 12,
-};
-
-static const uint8_t codebook14[] = {
- 2, 5, 2, 6, 3, 6, 4, 7, 4, 7, 5, 9, 5, 11, 6,
- 11, 6, 11, 7, 11, 6, 11, 6, 11, 9, 11, 8, 11, 11, 11,
- 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
- 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
- 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10,
- 10, 10, 10,
-};
-
-static const uint8_t codebook15[] = {
- 5, 6, 11, 11, 11, 11, 10, 10, 12, 11, 5, 2, 11, 5, 6,
- 6, 7, 9, 11, 13, 13, 10, 7, 11, 6, 7, 8, 9, 10, 12,
- 11, 5, 11, 6, 8, 7, 9, 11, 14, 15, 11, 6, 6, 8, 4,
- 5, 7, 8, 10, 13, 10, 5, 7, 7, 5, 5, 6, 8, 10, 11,
- 10, 7, 7, 8, 6, 5, 5, 7, 9, 9, 11, 8, 8, 11, 8,
- 7, 6, 6, 7, 9, 12, 11, 10, 13, 9, 9, 7, 7, 7, 9,
- 11, 13, 12, 15, 12, 11, 9, 8, 8, 8,
-};
-
-static const uint8_t codebook16[] = {
- 2, 4, 4, 0, 0, 0, 0, 0, 0, 5, 6, 6, 0, 0, 0,
- 0, 0, 0, 5, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 5, 7, 7, 0, 0, 0, 0, 0, 0,
- 7, 8, 8, 0, 0, 0, 0, 0, 0, 6, 7, 8, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 7, 7,
- 0, 0, 0, 0, 0, 0, 6, 8, 7, 0, 0, 0, 0, 0, 0,
- 7, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 7, 7, 0, 0, 0,
- 0, 0, 0, 7, 8, 8, 0, 0, 0, 0, 0, 0, 7, 8, 8,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 7, 8, 8, 0, 0, 0, 0, 0, 0, 8, 8, 9, 0, 0, 0,
- 0, 0, 0, 8, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 6, 8, 8, 0, 0, 0, 0, 0, 0,
- 7, 9, 8, 0, 0, 0, 0, 0, 0, 8, 9, 9, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 5, 7, 7, 0, 0, 0, 0, 0, 0, 7, 8, 8,
- 0, 0, 0, 0, 0, 0, 7, 8, 8, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 8, 8, 0, 0, 0,
- 0, 0, 0, 8, 9, 9, 0, 0, 0, 0, 0, 0, 7, 8, 9,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 6, 8, 8, 0, 0, 0, 0, 0, 0, 8, 9, 9, 0, 0, 0,
- 0, 0, 0, 8, 9, 8,
-};
-
-static const uint8_t codebook17[] = {
- 2, 5, 5, 0, 0, 0, 5, 5, 0, 0, 0, 5, 5, 0, 0,
- 0, 7, 8, 0, 0, 0, 0, 0, 0, 0, 5, 6, 6, 0, 0,
- 0, 7, 7, 0, 0, 0, 7, 7, 0, 0, 0, 10, 10, 0, 0,
- 0, 0, 0, 0, 0, 5, 6, 6, 0, 0, 0, 7, 7, 0, 0,
- 0, 7, 7, 0, 0, 0, 10, 10, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 5, 7, 7, 0, 0, 0, 7, 7, 0, 0, 0, 7, 7, 0, 0,
- 0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 5, 7, 7, 0, 0,
- 0, 7, 7, 0, 0, 0, 7, 7, 0, 0, 0, 9, 9, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 5, 7, 7, 0, 0, 0, 7, 7, 0, 0,
- 0, 7, 7, 0, 0, 0, 9, 9, 0, 0, 0, 0, 0, 0, 0,
- 5, 7, 7, 0, 0, 0, 7, 7, 0, 0, 0, 7, 7, 0, 0,
- 0, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 10, 10, 0, 0,
- 0, 9, 9, 0, 0, 0, 9, 9, 0, 0, 0, 10, 10, 0, 0,
- 0, 0, 0, 0, 0, 8, 10, 10, 0, 0, 0, 9, 9, 0, 0,
- 0, 9, 9, 0, 0, 0, 10, 10,
-};
-
-static const uint8_t codebook18[] = {
- 2, 4, 3, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 6, 6,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 4, 4, 4, 6, 6, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 6, 6, 6, 9, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 6, 7, 9, 9,
-};
-
-static const uint8_t codebook19[] = {
- 2, 3, 3, 6, 6, 0, 0, 0, 0, 0, 4, 4, 6, 6, 0,
- 0, 0, 0, 0, 4, 4, 6, 6, 0, 0, 0, 0, 0, 5, 5,
- 6, 6, 0, 0, 0, 0, 0, 0, 0, 6, 6, 0, 0, 0, 0,
- 0, 0, 0, 7, 8, 0, 0, 0, 0, 0, 0, 0, 7, 7, 0,
- 0, 0, 0, 0, 0, 0, 9, 9,
-};
-
-static const uint8_t codebook20[] = {
- 1, 3, 4, 6, 6, 7, 7, 9, 9, 0, 5, 5, 7, 7, 7,
- 8, 9, 9, 0, 5, 5, 7, 7, 8, 8, 9, 9, 0, 7, 7,
- 8, 8, 8, 8, 10, 10, 0, 0, 0, 8, 8, 8, 8, 10, 10,
- 0, 0, 0, 9, 9, 9, 9, 10, 10, 0, 0, 0, 9, 9, 9,
- 9, 10, 10, 0, 0, 0, 10, 10, 10, 10, 11, 11, 0, 0, 0,
- 0, 0, 10, 10, 11, 11,
-};
-
-static const uint8_t codebook21[] = {
- 2, 3, 3, 6, 6, 7, 7, 8, 8, 8, 8, 9, 9, 10, 10,
- 11, 10, 0, 5, 5, 7, 7, 8, 8, 9, 9, 9, 9, 10, 10,
- 10, 10, 11, 11, 0, 5, 5, 7, 7, 8, 8, 9, 9, 9, 9,
- 10, 10, 10, 10, 11, 11, 0, 6, 6, 7, 7, 8, 8, 9, 9,
- 9, 9, 10, 10, 11, 11, 11, 11, 0, 0, 0, 7, 7, 8, 8,
- 9, 9, 9, 9, 10, 10, 11, 11, 11, 12, 0, 0, 0, 8, 8,
- 8, 8, 9, 9, 9, 9, 10, 10, 11, 11, 12, 12, 0, 0, 0,
- 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 11, 11, 12, 12, 0,
- 0, 0, 9, 9, 9, 9, 10, 10, 10, 10, 11, 10, 11, 11, 12,
- 12, 0, 0, 0, 0, 0, 9, 9, 10, 10, 10, 10, 11, 11, 11,
- 11, 12, 12, 0, 0, 0, 0, 0, 9, 8, 9, 9, 10, 10, 11,
- 11, 12, 12, 12, 12, 0, 0, 0, 0, 0, 8, 8, 9, 9, 10,
- 10, 11, 11, 12, 11, 12, 12, 0, 0, 0, 0, 0, 9, 10, 10,
- 10, 11, 11, 11, 11, 12, 12, 13, 13, 0, 0, 0, 0, 0, 0,
- 0, 10, 10, 10, 10, 11, 11, 12, 12, 13, 13, 0, 0, 0, 0,
- 0, 0, 0, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 0, 0,
- 0, 0, 0, 0, 0, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13,
- 0, 0, 0, 0, 0, 0, 0, 11, 11, 12, 12, 12, 12, 13, 13,
- 13, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 12, 12, 12,
- 13, 13, 13, 13,
-};
-
-static const uint8_t codebook22[] = {
- 1, 4, 4, 7, 6, 6, 7, 6, 6, 4, 7, 7, 10, 9, 9,
- 11, 9, 9, 4, 7, 7, 10, 9, 9, 11, 9, 9, 7, 10, 10,
- 11, 11, 10, 12, 11, 11, 6, 9, 9, 11, 10, 10, 11, 10, 10,
- 6, 9, 9, 11, 10, 10, 11, 10, 10, 7, 11, 11, 11, 11, 11,
- 12, 11, 11, 6, 9, 9, 11, 10, 10, 11, 10, 10, 6, 9, 9,
- 11, 10, 10, 11, 10, 10,
-};
-
-static const uint8_t codebook23[] = {
- 2, 4, 4, 6, 6, 7, 7, 7, 7, 8, 8, 10, 5, 5, 6,
- 6, 7, 7, 8, 8, 8, 8, 10, 5, 5, 6, 6, 7, 7, 8,
- 8, 8, 8, 10, 6, 6, 7, 7, 8, 8, 8, 8, 8, 8, 10,
- 10, 10, 7, 7, 8, 7, 8, 8, 8, 8, 10, 10, 10, 8, 8,
- 8, 8, 8, 8, 8, 8, 10, 10, 10, 7, 8, 8, 8, 8, 8,
- 8, 8, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 10, 10,
- 10, 10, 10, 8, 8, 8, 8, 8, 8, 10, 10, 10, 10, 10, 9,
- 9, 8, 8, 9, 8, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8,
- 8,
-};
-
-static const uint8_t codebook24[] = {
- 1, 4, 4, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 6, 5,
- 5, 7, 7, 8, 8, 8, 8, 9, 9, 10, 10, 7, 5, 5, 7,
- 7, 8, 8, 8, 8, 9, 9, 11, 10, 0, 8, 8, 8, 8, 9,
- 9, 9, 9, 10, 10, 11, 11, 0, 8, 8, 8, 8, 9, 9, 9,
- 9, 10, 10, 11, 11, 0, 12, 12, 9, 9, 10, 10, 10, 10, 11,
- 11, 11, 12, 0, 13, 13, 9, 9, 10, 10, 10, 10, 11, 11, 12,
- 12, 0, 0, 0, 10, 10, 10, 10, 11, 11, 12, 12, 12, 12, 0,
- 0, 0, 10, 10, 10, 10, 11, 11, 12, 12, 12, 12, 0, 0, 0,
- 14, 14, 11, 11, 11, 11, 12, 12, 13, 13, 0, 0, 0, 14, 14,
- 11, 11, 11, 11, 12, 12, 13, 13, 0, 0, 0, 0, 0, 12, 12,
- 12, 12, 13, 13, 14, 13, 0, 0, 0, 0, 0, 13, 13, 12, 12,
- 13, 12, 14, 13,
-};
-
-static const uint8_t codebook25[] = {
- 2, 4, 4, 5, 5, 6, 5, 5, 5, 5, 6, 4, 5, 5, 5,
- 6, 5, 5, 5, 5, 6, 6, 6, 5, 5,
-};
-
-static const uint8_t codebook26[] = {
- 1, 4, 4, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 4, 9,
- 8, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 9, 7, 12,
- 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
- 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
- 11, 11, 11, 11,
-};
-
-static const uint8_t codebook27[] = {
- 1, 4, 4, 6, 6, 7, 7, 8, 7, 9, 9, 10, 10, 10, 10,
- 6, 5, 5, 7, 7, 8, 8, 10, 8, 11, 10, 12, 12, 13, 13,
- 6, 5, 5, 7, 7, 8, 8, 10, 9, 11, 11, 12, 12, 13, 12,
- 18, 8, 8, 8, 8, 9, 9, 10, 9, 11, 10, 12, 12, 13, 13,
- 18, 8, 8, 8, 8, 9, 9, 10, 10, 11, 11, 13, 12, 14, 13,
- 18, 11, 11, 9, 9, 10, 10, 11, 11, 11, 12, 13, 12, 13, 14,
- 18, 11, 11, 9, 8, 11, 10, 11, 11, 11, 11, 12, 12, 14, 13,
- 18, 18, 18, 10, 11, 10, 11, 12, 12, 12, 12, 13, 12, 14, 13,
- 18, 18, 18, 10, 11, 11, 9, 12, 11, 12, 12, 12, 13, 13, 13,
- 18, 18, 17, 14, 14, 11, 11, 12, 12, 13, 12, 14, 12, 14, 13,
- 18, 18, 18, 14, 14, 11, 10, 12, 9, 12, 13, 13, 13, 13, 13,
- 18, 18, 17, 16, 18, 13, 13, 12, 12, 13, 11, 14, 12, 14, 14,
- 17, 18, 18, 17, 18, 13, 12, 13, 10, 12, 11, 14, 14, 14, 14,
- 17, 18, 18, 18, 18, 15, 16, 12, 12, 13, 10, 14, 12, 14, 15,
- 18, 18, 18, 16, 17, 16, 14, 12, 11, 13, 10, 13, 13, 14, 15,
-};
-
-static const uint8_t codebook28[] = {
- 2, 5, 5, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
- 8, 8, 10, 6, 6, 7, 7, 8, 7, 8, 8, 8, 8, 8, 9,
- 9, 9, 9, 9, 10, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8,
- 9, 9, 9, 9, 9, 9, 10, 7, 7, 7, 7, 8, 8, 8, 8,
- 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 7, 7, 8, 8,
- 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 8, 8,
- 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10,
- 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10,
- 10, 10, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10,
- 9, 10, 10, 10, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9,
- 9, 9, 9, 11, 10, 11, 11, 11, 9, 9, 9, 9, 9, 9, 10,
- 10, 9, 9, 10, 9, 11, 10, 11, 11, 11, 9, 9, 9, 9, 9,
- 9, 9, 9, 10, 10, 10, 9, 11, 11, 11, 11, 11, 9, 9, 9,
- 9, 10, 10, 9, 9, 9, 9, 10, 9, 11, 11, 11, 11, 11, 11,
- 11, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11,
- 11, 11, 11, 10, 9, 10, 10, 9, 10, 9, 9, 10, 9, 11, 10,
- 10, 11, 11, 11, 11, 9, 10, 9, 9, 9, 9, 10, 10, 10, 10,
- 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 10, 9, 10, 9,
- 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9,
- 9, 10, 10, 10,
-};
-
-static const struct {
- int dim;
- int len;
- int real_len;
- const uint8_t * clens;
- int lookup;
- float min;
- float delta;
- const uint8_t * quant;
-} cvectors[] = {
- { 2, 16, 16, codebook0, 0 },
- { 2, 8, 8, codebook1, 0 },
- { 2, 256, 256, codebook2, 0 },
- { 2, 64, 64, codebook3, 0 },
- { 2, 128, 128, codebook4, 0 },
- { 2, 32, 32, codebook5, 0 },
- { 2, 96, 96, codebook6, 0 },
- { 2, 32, 32, codebook7, 0 },
- { 2, 96, 96, codebook8, 0 },
- { 2, 17, 17, codebook9, 0 },
- { 2, 32, 32, codebook10, 0 },
- { 2, 78, 78, codebook11, 0 },
- { 2, 17, 17, codebook12, 0 },
- { 2, 32, 32, codebook13, 0 },
- { 2, 78, 78, codebook14, 0 },
- { 2, 100, 100, codebook15, 0 },
- { 8, 1641, 6561, codebook16, 1, -1.0, 1.0, (const uint8_t[]){ 1, 0, 2, } },
- { 4, 443, 625, codebook17, 1, -2.0, 1.0, (const uint8_t[]){ 2, 1, 3, 0, 4, } },
- { 4, 105, 625, codebook18, 1, -2.0, 1.0, (const uint8_t[]){ 2, 1, 3, 0, 4, } },
- { 2, 68, 81, codebook19, 1, -4.0, 1.0, (const uint8_t[]){ 4, 3, 5, 2, 6, 1, 7, 0, 8, } },
- { 2, 81, 81, codebook20, 1, -4.0, 1.0, (const uint8_t[]){ 4, 3, 5, 2, 6, 1, 7, 0, 8, } },
- { 2, 289, 289, codebook21, 1, -8.0, 1.0, (const uint8_t[]){ 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15, 0, 16, } },
- { 4, 81, 81, codebook22, 1, -11.0, 11.0, (const uint8_t[]){ 1, 0, 2, } },
- { 2, 121, 121, codebook23, 1, -5.0, 1.0, (const uint8_t[]){ 5, 4, 6, 3, 7, 2, 8, 1, 9, 0, 10, } },
- { 2, 169, 169, codebook24, 1, -30.0, 5.0, (const uint8_t[]){ 6, 5, 7, 4, 8, 3, 9, 2, 10, 1, 11, 0, 12, } },
- { 2, 25, 25, codebook25, 1, -2.0, 1.0, (const uint8_t[]){ 2, 1, 3, 0, 4, } },
- { 2, 169, 169, codebook26, 1, -1530.0, 255.0, (const uint8_t[]){ 6, 5, 7, 4, 8, 3, 9, 2, 10, 1, 11, 0, 12, } },
- { 2, 225, 225, codebook27, 1, -119.0, 17.0, (const uint8_t[]){ 7, 6, 8, 5, 9, 4, 10, 3, 11, 2, 12, 1, 13, 0, 14, } },
- { 2, 289, 289, codebook28, 1, -8.0, 1.0, (const uint8_t[]){ 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15, 0, 16, } },
-};
-
static inline void init_put_bits(PutBitContext * pb, uint8_t * buf, int buffer_len) {
pb->total = buffer_len * 8;
pb->total_pos = 0;
@@ -701,19 +236,6 @@
}
}
-static const struct {
- int dim;
- int subclass;
- int masterbook;
- const int * nbooks;
-} floor_classes[] = {
- { 3, 0, 0, (const int[]){ 4 } },
- { 4, 1, 0, (const int[]){ 5, 6 } },
- { 3, 1, 1, (const int[]){ 7, 8 } },
- { 4, 2, 2, (const int[]){ -1, 9, 10, 11 } },
- { 3, 2, 3, (const int[]){ -1, 12, 13, 14 } },
-};
-
static void create_vorbis_context(venc_context_t * venc, AVCodecContext * avccontext) {
floor_t * fc;
residue_t * rc;
Copied: trunk/libavcodec/vorbis_enc_data.h (from r6519, /trunk/libavcodec/vorbis_enc.c)
==============================================================================
--- /trunk/libavcodec/vorbis_enc.c (original)
+++ trunk/libavcodec/vorbis_enc_data.h Mon Oct 2 08:56:39 2006
@@ -16,114 +16,6 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-/**
- * @file vorbis_enc.c
- * Native Vorbis encoder.
- * @author Oded Shimon <ods15 at ods15.dyndns.org>
- */
-
-#include <float.h>
-#include "avcodec.h"
-#include "dsputil.h"
-#include "vorbis.h"
-
-#undef NDEBUG
-#include <assert.h>
-
-typedef struct {
- int nentries;
- uint8_t * lens;
- uint32_t * codewords;
- int ndimentions;
- float min;
- float delta;
- int seq_p;
- int lookup;
- int * quantlist;
- float * dimentions;
- float * pow2;
-} codebook_t;
-
-typedef struct {
- int dim;
- int subclass;
- int masterbook;
- int * books;
-} floor_class_t;
-
-typedef struct {
- int partitions;
- int * partition_to_class;
- int nclasses;
- floor_class_t * classes;
- int multiplier;
- int rangebits;
- int values;
- floor1_entry_t * list;
-} floor_t;
-
-typedef struct {
- int type;
- int begin;
- int end;
- int partition_size;
- int classifications;
- int classbook;
- int8_t (*books)[8];
- float (*maxes)[2];
-} residue_t;
-
-typedef struct {
- int submaps;
- int * mux;
- int * floor;
- int * residue;
- int coupling_steps;
- int * magnitude;
- int * angle;
-} mapping_t;
-
-typedef struct {
- int blockflag;
- int mapping;
-} vorbis_mode_t;
-
-typedef struct {
- int channels;
- int sample_rate;
- int log2_blocksize[2];
- MDCTContext mdct[2];
- const float * win[2];
- int have_saved;
- float * saved;
- float * samples;
- float * floor; // also used for tmp values for mdct
- float * coeffs; // also used for residue after floor
- float quality;
-
- int ncodebooks;
- codebook_t * codebooks;
-
- int nfloors;
- floor_t * floors;
-
- int nresidues;
- residue_t * residues;
-
- int nmappings;
- mapping_t * mappings;
-
- int nmodes;
- vorbis_mode_t * modes;
-} venc_context_t;
-
-typedef struct {
- int total;
- int total_pos;
- int pos;
- uint8_t * buf_ptr;
-} PutBitContext;
-
static const uint8_t codebook0[] = {
2, 10, 8, 14, 7, 12, 11, 14, 1, 5, 3, 7, 4, 9, 7,
13,
@@ -590,117 +482,6 @@
{ 2, 289, 289, codebook28, 1, -8.0, 1.0, (const uint8_t[]){ 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15, 0, 16, } },
};
-static inline void init_put_bits(PutBitContext * pb, uint8_t * buf, int buffer_len) {
- pb->total = buffer_len * 8;
- pb->total_pos = 0;
- pb->pos = 0;
- pb->buf_ptr = buf;
-}
-
-static void put_bits(PutBitContext * pb, int bits, uint64_t val) {
- if ((pb->total_pos += bits) >= pb->total) return;
- if (!bits) return;
- if (pb->pos) {
- if (pb->pos > bits) {
- *pb->buf_ptr |= val << (8 - pb->pos);
- pb->pos -= bits;
- bits = 0;
- } else {
- *pb->buf_ptr++ |= (val << (8 - pb->pos)) & 0xFF;
- val >>= pb->pos;
- bits -= pb->pos;
- pb->pos = 0;
- }
- }
- for (; bits >= 8; bits -= 8) {
- *pb->buf_ptr++ = val & 0xFF;
- val >>= 8;
- }
- if (bits) {
- *pb->buf_ptr = val;
- pb->pos = 8 - bits;
- }
-}
-
-static inline void flush_put_bits(PutBitContext * pb) {
-}
-
-static inline int put_bits_count(PutBitContext * pb) {
- return pb->total_pos;
-}
-
-static inline void put_codeword(PutBitContext * pb, codebook_t * cb, int entry) {
- assert(entry >= 0);
- assert(entry < cb->nentries);
- assert(cb->lens[entry]);
- put_bits(pb, cb->lens[entry], cb->codewords[entry]);
-}
-
-static int cb_lookup_vals(int lookup, int dimentions, int entries) {
- if (lookup == 1) return ff_vorbis_nth_root(entries, dimentions);
- else if (lookup == 2) return dimentions * entries;
- return 0;
-}
-
-static void ready_codebook(codebook_t * cb) {
- int i;
-
- ff_vorbis_len2vlc(cb->lens, cb->codewords, cb->nentries);
-
- if (!cb->lookup) cb->pow2 = cb->dimentions = NULL;
- else {
- int vals = cb_lookup_vals(cb->lookup, cb->ndimentions, cb->nentries);
- cb->dimentions = av_malloc(sizeof(float) * cb->nentries * cb->ndimentions);
- cb->pow2 = av_mallocz(sizeof(float) * cb->nentries);
- for (i = 0; i < cb->nentries; i++) {
- float last = 0;
- int j;
- int div = 1;
- for (j = 0; j < cb->ndimentions; j++) {
- int off;
- if (cb->lookup == 1) off = (i / div) % vals; // lookup type 1
- else off = i * cb->ndimentions + j; // lookup type 2
-
- cb->dimentions[i * cb->ndimentions + j] = last + cb->min + cb->quantlist[off] * cb->delta;
- if (cb->seq_p) last = cb->dimentions[i * cb->ndimentions + j];
- cb->pow2[i] += cb->dimentions[i * cb->ndimentions + j]*cb->dimentions[i * cb->ndimentions + j];
- div *= vals;
- }
- cb->pow2[i] /= 2.;
- }
- }
-
-}
-
-static void ready_residue(residue_t * rc, venc_context_t * venc) {
- int i;
- assert(rc->type == 2);
- rc->maxes = av_mallocz(sizeof(float[2]) * rc->classifications);
- for (i = 0; i < rc->classifications; i++) {
- int j;
- codebook_t * cb;
- for (j = 0; j < 8; j++) if (rc->books[i][j] != -1) break;
- if (j == 8) continue; // zero
- cb = &venc->codebooks[rc->books[i][j]];
- assert(cb->ndimentions >= 2);
- assert(cb->lookup);
-
- for (j = 0; j < cb->nentries; j++) {
- float a;
- if (!cb->lens[j]) continue;
- a = fabs(cb->dimentions[j * cb->ndimentions]);
- if (a > rc->maxes[i][0]) rc->maxes[i][0] = a;
- a = fabs(cb->dimentions[j * cb->ndimentions + 1]);
- if (a > rc->maxes[i][1]) rc->maxes[i][1] = a;
- }
- }
- // small bias
- for (i = 0; i < rc->classifications; i++) {
- rc->maxes[i][0] += 0.8;
- rc->maxes[i][1] += 0.8;
- }
-}
-
static const struct {
int dim;
int subclass;
@@ -713,793 +494,3 @@
{ 4, 2, 2, (const int[]){ -1, 9, 10, 11 } },
{ 3, 2, 3, (const int[]){ -1, 12, 13, 14 } },
};
-
-static void create_vorbis_context(venc_context_t * venc, AVCodecContext * avccontext) {
- floor_t * fc;
- residue_t * rc;
- mapping_t * mc;
- int i, book;
-
- venc->channels = avccontext->channels;
- venc->sample_rate = avccontext->sample_rate;
- venc->log2_blocksize[0] = venc->log2_blocksize[1] = 11;
-
- venc->ncodebooks = sizeof(cvectors)/sizeof(cvectors[0]);
- venc->codebooks = av_malloc(sizeof(codebook_t) * venc->ncodebooks);
-
- // codebook 0..14 - floor1 book, values 0..255
- // codebook 15 residue masterbook
- // codebook 16..29 residue
- for (book = 0; book < venc->ncodebooks; book++) {
- codebook_t * cb = &venc->codebooks[book];
- int vals;
- cb->ndimentions = cvectors[book].dim;
- cb->nentries = cvectors[book].real_len;
- cb->min = cvectors[book].min;
- cb->delta = cvectors[book].delta;
- cb->lookup = cvectors[book].lookup;
- cb->seq_p = 0;
-
- cb->lens = av_malloc(sizeof(uint8_t) * cb->nentries);
- cb->codewords = av_malloc(sizeof(uint32_t) * cb->nentries);
- memcpy(cb->lens, cvectors[book].clens, cvectors[book].len);
- memset(cb->lens + cvectors[book].len, 0, cb->nentries - cvectors[book].len);
-
- if (cb->lookup) {
- vals = cb_lookup_vals(cb->lookup, cb->ndimentions, cb->nentries);
- cb->quantlist = av_malloc(sizeof(int) * vals);
- for (i = 0; i < vals; i++) cb->quantlist[i] = cvectors[book].quant[i];
- } else {
- cb->quantlist = NULL;
- }
- ready_codebook(cb);
- }
-
- venc->nfloors = 1;
- venc->floors = av_malloc(sizeof(floor_t) * venc->nfloors);
-
- // just 1 floor
- fc = &venc->floors[0];
- fc->partitions = 8;
- fc->partition_to_class = av_malloc(sizeof(int) * fc->partitions);
- fc->nclasses = 0;
- for (i = 0; i < fc->partitions; i++) {
- static const int a[] = {0,1,2,2,3,3,4,4};
- fc->partition_to_class[i] = a[i];
- fc->nclasses = FFMAX(fc->nclasses, fc->partition_to_class[i]);
- }
- fc->nclasses++;
- fc->classes = av_malloc(sizeof(floor_class_t) * fc->nclasses);
- for (i = 0; i < fc->nclasses; i++) {
- floor_class_t * c = &fc->classes[i];
- int j, books;
- c->dim = floor_classes[i].dim;
- c->subclass = floor_classes[i].subclass;
- c->masterbook = floor_classes[i].masterbook;
- books = (1 << c->subclass);
- c->books = av_malloc(sizeof(int) * books);
- for (j = 0; j < books; j++) c->books[j] = floor_classes[i].nbooks[j];
- }
- fc->multiplier = 2;
- fc->rangebits = venc->log2_blocksize[0] - 1;
-
- fc->values = 2;
- for (i = 0; i < fc->partitions; i++)
- fc->values += fc->classes[fc->partition_to_class[i]].dim;
-
- fc->list = av_malloc(sizeof(floor1_entry_t) * fc->values);
- fc->list[0].x = 0;
- fc->list[1].x = 1 << fc->rangebits;
- for (i = 2; i < fc->values; i++) {
- static const int a[] = {
- 93, 23,372, 6, 46,186,750, 14, 33, 65,
- 130,260,556, 3, 10, 18, 28, 39, 55, 79,
- 111,158,220,312,464,650,850
- };
- fc->list[i].x = a[i - 2];
- }
- ff_vorbis_ready_floor1_list(fc->list, fc->values);
-
- venc->nresidues = 1;
- venc->residues = av_malloc(sizeof(residue_t) * venc->nresidues);
-
- // single residue
- rc = &venc->residues[0];
- rc->type = 2;
- rc->begin = 0;
- rc->end = 1600;
- rc->partition_size = 32;
- rc->classifications = 10;
- rc->classbook = 15;
- rc->books = av_malloc(sizeof(*rc->books) * rc->classifications);
- {
- static const int8_t a[10][8] = {
- { -1, -1, -1, -1, -1, -1, -1, -1, },
- { -1, -1, 16, -1, -1, -1, -1, -1, },
- { -1, -1, 17, -1, -1, -1, -1, -1, },
- { -1, -1, 18, -1, -1, -1, -1, -1, },
- { -1, -1, 19, -1, -1, -1, -1, -1, },
- { -1, -1, 20, -1, -1, -1, -1, -1, },
- { -1, -1, 21, -1, -1, -1, -1, -1, },
- { 22, 23, -1, -1, -1, -1, -1, -1, },
- { 24, 25, -1, -1, -1, -1, -1, -1, },
- { 26, 27, 28, -1, -1, -1, -1, -1, },
- };
- memcpy(rc->books, a, sizeof a);
- }
- ready_residue(rc, venc);
-
- venc->nmappings = 1;
- venc->mappings = av_malloc(sizeof(mapping_t) * venc->nmappings);
-
- // single mapping
- mc = &venc->mappings[0];
- mc->submaps = 1;
- mc->mux = av_malloc(sizeof(int) * venc->channels);
- for (i = 0; i < venc->channels; i++) mc->mux[i] = 0;
- mc->floor = av_malloc(sizeof(int) * mc->submaps);
- mc->residue = av_malloc(sizeof(int) * mc->submaps);
- for (i = 0; i < mc->submaps; i++) {
- mc->floor[i] = 0;
- mc->residue[i] = 0;
- }
- mc->coupling_steps = venc->channels == 2 ? 1 : 0;
- mc->magnitude = av_malloc(sizeof(int) * mc->coupling_steps);
- mc->angle = av_malloc(sizeof(int) * mc->coupling_steps);
- if (mc->coupling_steps) {
- mc->magnitude[0] = 0;
- mc->angle[0] = 1;
- }
-
- venc->nmodes = 1;
- venc->modes = av_malloc(sizeof(vorbis_mode_t) * venc->nmodes);
-
- // single mode
- venc->modes[0].blockflag = 0;
- venc->modes[0].mapping = 0;
-
- venc->have_saved = 0;
- venc->saved = av_malloc(sizeof(float) * venc->channels * (1 << venc->log2_blocksize[1]) / 2);
- venc->samples = av_malloc(sizeof(float) * venc->channels * (1 << venc->log2_blocksize[1]));
- venc->floor = av_malloc(sizeof(float) * venc->channels * (1 << venc->log2_blocksize[1]) / 2);
- venc->coeffs = av_malloc(sizeof(float) * venc->channels * (1 << venc->log2_blocksize[1]) / 2);
-
- venc->win[0] = ff_vorbis_vwin[venc->log2_blocksize[0] - 6];
- venc->win[1] = ff_vorbis_vwin[venc->log2_blocksize[1] - 6];
-
- ff_mdct_init(&venc->mdct[0], venc->log2_blocksize[0], 0);
- ff_mdct_init(&venc->mdct[1], venc->log2_blocksize[1], 0);
-}
-
-static void put_float(PutBitContext * pb, float f) {
- int exp, mant;
- uint32_t res = 0;
- mant = (int)ldexp(frexp(f, &exp), 20);
- exp += 788 - 20;
- if (mant < 0) { res |= (1 << 31); mant = -mant; }
- res |= mant | (exp << 21);
- put_bits(pb, 32, res);
-}
-
-static void put_codebook_header(PutBitContext * pb, codebook_t * cb) {
- int i;
- int ordered = 0;
-
- put_bits(pb, 24, 0x564342); //magic
- put_bits(pb, 16, cb->ndimentions);
- put_bits(pb, 24, cb->nentries);
-
- for (i = 1; i < cb->nentries; i++) if (cb->lens[i] < cb->lens[i-1]) break;
- if (i == cb->nentries) ordered = 1;
-
- put_bits(pb, 1, ordered);
- if (ordered) {
- int len = cb->lens[0];
- put_bits(pb, 5, len - 1);
- i = 0;
- while (i < cb->nentries) {
- int j;
- for (j = 0; j+i < cb->nentries; j++) if (cb->lens[j+i] != len) break;
- put_bits(pb, ilog(cb->nentries - i), j);
- i += j;
- len++;
- }
- } else {
- int sparse = 0;
- for (i = 0; i < cb->nentries; i++) if (!cb->lens[i]) break;
- if (i != cb->nentries) sparse = 1;
- put_bits(pb, 1, sparse);
-
- for (i = 0; i < cb->nentries; i++) {
- if (sparse) put_bits(pb, 1, !!cb->lens[i]);
- if (cb->lens[i]) put_bits(pb, 5, cb->lens[i] - 1);
- }
- }
-
- put_bits(pb, 4, cb->lookup);
- if (cb->lookup) {
- int tmp = cb_lookup_vals(cb->lookup, cb->ndimentions, cb->nentries);
- int bits = ilog(cb->quantlist[0]);
-
- for (i = 1; i < tmp; i++) bits = FFMAX(bits, ilog(cb->quantlist[i]));
-
- put_float(pb, cb->min);
- put_float(pb, cb->delta);
-
- put_bits(pb, 4, bits - 1);
- put_bits(pb, 1, cb->seq_p);
-
- for (i = 0; i < tmp; i++) put_bits(pb, bits, cb->quantlist[i]);
- }
-}
-
-static void put_floor_header(PutBitContext * pb, floor_t * fc) {
- int i;
-
- put_bits(pb, 16, 1); // type, only floor1 is supported
-
- put_bits(pb, 5, fc->partitions);
-
- for (i = 0; i < fc->partitions; i++) put_bits(pb, 4, fc->partition_to_class[i]);
-
- for (i = 0; i < fc->nclasses; i++) {
- int j, books;
-
- put_bits(pb, 3, fc->classes[i].dim - 1);
- put_bits(pb, 2, fc->classes[i].subclass);
-
- if (fc->classes[i].subclass) put_bits(pb, 8, fc->classes[i].masterbook);
-
- books = (1 << fc->classes[i].subclass);
-
- for (j = 0; j < books; j++) put_bits(pb, 8, fc->classes[i].books[j] + 1);
- }
-
- put_bits(pb, 2, fc->multiplier - 1);
- put_bits(pb, 4, fc->rangebits);
-
- for (i = 2; i < fc->values; i++) put_bits(pb, fc->rangebits, fc->list[i].x);
-}
-
-static void put_residue_header(PutBitContext * pb, residue_t * rc) {
- int i;
-
- put_bits(pb, 16, rc->type);
-
- put_bits(pb, 24, rc->begin);
- put_bits(pb, 24, rc->end);
- put_bits(pb, 24, rc->partition_size - 1);
- put_bits(pb, 6, rc->classifications - 1);
- put_bits(pb, 8, rc->classbook);
-
- for (i = 0; i < rc->classifications; i++) {
- int j, tmp = 0;
- for (j = 0; j < 8; j++) tmp |= (rc->books[i][j] != -1) << j;
-
- put_bits(pb, 3, tmp & 7);
- put_bits(pb, 1, tmp > 7);
-
- if (tmp > 7) put_bits(pb, 5, tmp >> 3);
- }
-
- for (i = 0; i < rc->classifications; i++) {
- int j;
- for (j = 0; j < 8; j++)
- if (rc->books[i][j] != -1)
- put_bits(pb, 8, rc->books[i][j]);
- }
-}
-
-static int put_main_header(venc_context_t * venc, uint8_t ** out) {
- int i;
- PutBitContext pb;
- uint8_t buffer[50000] = {0}, * p = buffer;
- int buffer_len = sizeof buffer;
- int len, hlens[3];
-
- // identification header
- init_put_bits(&pb, p, buffer_len);
- put_bits(&pb, 8, 1); //magic
- for (i = 0; "vorbis"[i]; i++) put_bits(&pb, 8, "vorbis"[i]);
- put_bits(&pb, 32, 0); // version
- put_bits(&pb, 8, venc->channels);
- put_bits(&pb, 32, venc->sample_rate);
- put_bits(&pb, 32, 0); // bitrate
- put_bits(&pb, 32, 0); // bitrate
- put_bits(&pb, 32, 0); // bitrate
- put_bits(&pb, 4, venc->log2_blocksize[0]);
- put_bits(&pb, 4, venc->log2_blocksize[1]);
- put_bits(&pb, 1, 1); // framing
-
- flush_put_bits(&pb);
- hlens[0] = (put_bits_count(&pb) + 7) / 8;
- buffer_len -= hlens[0];
- p += hlens[0];
-
- // comment header
- init_put_bits(&pb, p, buffer_len);
- put_bits(&pb, 8, 3); //magic
- for (i = 0; "vorbis"[i]; i++) put_bits(&pb, 8, "vorbis"[i]);
- put_bits(&pb, 32, 0); // vendor length TODO
- put_bits(&pb, 32, 0); // amount of comments
- put_bits(&pb, 1, 1); // framing
-
- flush_put_bits(&pb);
- hlens[1] = (put_bits_count(&pb) + 7) / 8;
- buffer_len -= hlens[1];
- p += hlens[1];
-
- // setup header
- init_put_bits(&pb, p, buffer_len);
- put_bits(&pb, 8, 5); //magic
- for (i = 0; "vorbis"[i]; i++) put_bits(&pb, 8, "vorbis"[i]);
-
- // codebooks
- put_bits(&pb, 8, venc->ncodebooks - 1);
- for (i = 0; i < venc->ncodebooks; i++) put_codebook_header(&pb, &venc->codebooks[i]);
-
- // time domain, reserved, zero
- put_bits(&pb, 6, 0);
- put_bits(&pb, 16, 0);
-
- // floors
- put_bits(&pb, 6, venc->nfloors - 1);
- for (i = 0; i < venc->nfloors; i++) put_floor_header(&pb, &venc->floors[i]);
-
- // residues
- put_bits(&pb, 6, venc->nresidues - 1);
- for (i = 0; i < venc->nresidues; i++) put_residue_header(&pb, &venc->residues[i]);
-
- // mappings
- put_bits(&pb, 6, venc->nmappings - 1);
- for (i = 0; i < venc->nmappings; i++) {
- mapping_t * mc = &venc->mappings[i];
- int j;
- put_bits(&pb, 16, 0); // mapping type
-
- put_bits(&pb, 1, mc->submaps > 1);
- if (mc->submaps > 1) put_bits(&pb, 4, mc->submaps - 1);
-
- put_bits(&pb, 1, !!mc->coupling_steps);
- if (mc->coupling_steps) {
- put_bits(&pb, 8, mc->coupling_steps - 1);
- for (j = 0; j < mc->coupling_steps; j++) {
- put_bits(&pb, ilog(venc->channels - 1), mc->magnitude[j]);
- put_bits(&pb, ilog(venc->channels - 1), mc->angle[j]);
- }
- }
-
- put_bits(&pb, 2, 0); // reserved
-
- if (mc->submaps > 1) for (j = 0; j < venc->channels; j++) put_bits(&pb, 4, mc->mux[j]);
-
- for (j = 0; j < mc->submaps; j++) {
- put_bits(&pb, 8, 0); // reserved time configuration
- put_bits(&pb, 8, mc->floor[j]);
- put_bits(&pb, 8, mc->residue[j]);
- }
- }
-
- // modes
- put_bits(&pb, 6, venc->nmodes - 1);
- for (i = 0; i < venc->nmodes; i++) {
- put_bits(&pb, 1, venc->modes[i].blockflag);
- put_bits(&pb, 16, 0); // reserved window type
- put_bits(&pb, 16, 0); // reserved transform type
- put_bits(&pb, 8, venc->modes[i].mapping);
- }
-
- put_bits(&pb, 1, 1); // framing
-
- flush_put_bits(&pb);
- hlens[2] = (put_bits_count(&pb) + 7) / 8;
-
- len = hlens[0] + hlens[1] + hlens[2];
- p = *out = av_mallocz(64 + len + len/255);
-
- *p++ = 2;
- p += av_xiphlacing(p, hlens[0]);
- p += av_xiphlacing(p, hlens[1]);
- buffer_len = 0;
- for (i = 0; i < 3; i++) {
- memcpy(p, buffer + buffer_len, hlens[i]);
- p += hlens[i];
- buffer_len += hlens[i];
- }
-
- return p - *out;
-}
-
-static float get_floor_average(floor_t * fc, float * coeffs, int i) {
- int begin = fc->list[fc->list[FFMAX(i-1, 0)].sort].x;
- int end = fc->list[fc->list[FFMIN(i+1, fc->values - 1)].sort].x;
- int j;
- float average = 0;
-
- for (j = begin; j < end; j++) average += fabs(coeffs[j]);
- return average / (end - begin);
-}
-
-static void floor_fit(venc_context_t * venc, floor_t * fc, float * coeffs, uint_fast16_t * posts, int samples) {
- int range = 255 / fc->multiplier + 1;
- int i;
- float tot_average = 0.;
- float averages[fc->values];
- for (i = 0; i < fc->values; i++) tot_average += averages[i] = get_floor_average(fc, coeffs, i);
- tot_average /= fc->values;
- tot_average /= venc->quality;
-
- for (i = 0; i < fc->values; i++) {
- int position = fc->list[fc->list[i].sort].x;
- float average = averages[i];
- int j;
-
- average *= pow(tot_average / average, 0.5) * pow(1.25, position/200.); // MAGIC!
- for (j = 0; j < range - 1; j++) if (ff_vorbis_floor1_inverse_db_table[j * fc->multiplier] > average) break;
- posts[fc->list[i].sort] = j;
- }
-}
-
-static int render_point(int x0, int y0, int x1, int y1, int x) {
- return y0 + (x - x0) * (y1 - y0) / (x1 - x0);
-}
-
-static void floor_encode(venc_context_t * venc, floor_t * fc, PutBitContext * pb, uint_fast16_t * posts, float * floor, int samples) {
- int range = 255 / fc->multiplier + 1;
- int coded[fc->values]; // first 2 values are unused
- int i, counter;
-
- put_bits(pb, 1, 1); // non zero
- put_bits(pb, ilog(range - 1), posts[0]);
- put_bits(pb, ilog(range - 1), posts[1]);
- coded[0] = coded[1] = 1;
-
- for (i = 2; i < fc->values; i++) {
- int predicted = render_point(fc->list[fc->list[i].low].x,
- posts[fc->list[i].low],
- fc->list[fc->list[i].high].x,
- posts[fc->list[i].high],
- fc->list[i].x);
- int highroom = range - predicted;
- int lowroom = predicted;
- int room = FFMIN(highroom, lowroom);
- if (predicted == posts[i]) {
- coded[i] = 0; // must be used later as flag!
- continue;
- } else {
- if (!coded[fc->list[i].low]) coded[fc->list[i].low] = -1;
- if (!coded[fc->list[i].high]) coded[fc->list[i].high] = -1;
- }
- if (posts[i] > predicted) {
- if (posts[i] - predicted > room) coded[i] = posts[i] - predicted + lowroom;
- else coded[i] = (posts[i] - predicted) << 1;
- } else {
- if (predicted - posts[i] > room) coded[i] = predicted - posts[i] + highroom - 1;
- else coded[i] = ((predicted - posts[i]) << 1) - 1;
- }
- }
-
- counter = 2;
- for (i = 0; i < fc->partitions; i++) {
- floor_class_t * c = &fc->classes[fc->partition_to_class[i]];
- int k, cval = 0, csub = 1<<c->subclass;
- if (c->subclass) {
- codebook_t * book = &venc->codebooks[c->masterbook];
- int cshift = 0;
- for (k = 0; k < c->dim; k++) {
- int l;
- for (l = 0; l < csub; l++) {
- int maxval = 1;
- if (c->books[l] != -1) maxval = venc->codebooks[c->books[l]].nentries;
- // coded could be -1, but this still works, cause thats 0
- if (coded[counter + k] < maxval) break;
- }
- assert(l != csub);
- cval |= l << cshift;
- cshift += c->subclass;
- }
- put_codeword(pb, book, cval);
- }
- for (k = 0; k < c->dim; k++) {
- int book = c->books[cval & (csub-1)];
- int entry = coded[counter++];
- cval >>= c->subclass;
- if (book == -1) continue;
- if (entry == -1) entry = 0;
- put_codeword(pb, &venc->codebooks[book], entry);
- }
- }
-
- ff_vorbis_floor1_render_list(fc->list, fc->values, posts, coded, fc->multiplier, floor, samples);
-}
-
-static float * put_vector(codebook_t * book, PutBitContext * pb, float * num) {
- int i, entry = -1;
- float distance = FLT_MAX;
- assert(book->dimentions);
- for (i = 0; i < book->nentries; i++) {
- float * vec = book->dimentions + i * book->ndimentions, d = book->pow2[i];
- int j;
- if (!book->lens[i]) continue;
- for (j = 0; j < book->ndimentions; j++) d -= vec[j] * num[j];
- if (distance > d) {
- entry = i;
- distance = d;
- }
- }
- put_codeword(pb, book, entry);
- return &book->dimentions[entry * book->ndimentions];
-}
-
-static void residue_encode(venc_context_t * venc, residue_t * rc, PutBitContext * pb, float * coeffs, int samples, int real_ch) {
- int pass, i, j, p, k;
- int psize = rc->partition_size;
- int partitions = (rc->end - rc->begin) / psize;
- int channels = (rc->type == 2) ? 1 : real_ch;
- int classes[channels][partitions];
- int classwords = venc->codebooks[rc->classbook].ndimentions;
-
- assert(rc->type == 2);
- assert(real_ch == 2);
- for (p = 0; p < partitions; p++) {
- float max1 = 0., max2 = 0.;
- int s = rc->begin + p * psize;
- for (k = s; k < s + psize; k += 2) {
- max1 = FFMAX(max1, fabs(coeffs[ k / real_ch]));
- max2 = FFMAX(max2, fabs(coeffs[samples + k / real_ch]));
- }
-
- for (i = 0; i < rc->classifications - 1; i++) {
- if (max1 < rc->maxes[i][0] && max2 < rc->maxes[i][1]) break;
- }
- classes[0][p] = i;
- }
-
- for (pass = 0; pass < 8; pass++) {
- p = 0;
- while (p < partitions) {
- if (pass == 0) for (j = 0; j < channels; j++) {
- codebook_t * book = &venc->codebooks[rc->classbook];
- int entry = 0;
- for (i = 0; i < classwords; i++) {
- entry *= rc->classifications;
- entry += classes[j][p + i];
- }
- put_codeword(pb, book, entry);
- }
- for (i = 0; i < classwords && p < partitions; i++, p++) {
- for (j = 0; j < channels; j++) {
- int nbook = rc->books[classes[j][p]][pass];
- codebook_t * book = &venc->codebooks[nbook];
- float * buf = coeffs + samples*j + rc->begin + p*psize;
- if (nbook == -1) continue;
-
- assert(rc->type == 0 || rc->type == 2);
- assert(!(psize % book->ndimentions));
-
- if (rc->type == 0) {
- for (k = 0; k < psize; k += book->ndimentions) {
- float * a = put_vector(book, pb, &buf[k]);
- int l;
- for (l = 0; l < book->ndimentions; l++) buf[k + l] -= a[l];
- }
- } else {
- int s = rc->begin + p * psize, a1, b1;
- a1 = (s % real_ch) * samples;
- b1 = s / real_ch;
- s = real_ch * samples;
- for (k = 0; k < psize; k += book->ndimentions) {
- int dim, a2 = a1, b2 = b1;
- float vec[book->ndimentions], * pv = vec;
- for (dim = book->ndimentions; dim--; ) {
- *pv++ = coeffs[a2 + b2];
- if ((a2 += samples) == s) { a2=0; b2++; }
- }
- pv = put_vector(book, pb, vec);
- for (dim = book->ndimentions; dim--; ) {
- coeffs[a1 + b1] -= *pv++;
- if ((a1 += samples) == s) { a1=0; b1++; }
- }
- }
- }
- }
- }
- }
- }
-}
-
-static int apply_window_and_mdct(venc_context_t * venc, signed short * audio, int samples) {
- int i, j, channel;
- const float * win = venc->win[0];
- int window_len = 1 << (venc->log2_blocksize[0] - 1);
- float n = (float)(1 << venc->log2_blocksize[0]) / 4.;
- // FIXME use dsp
-
- if (!venc->have_saved && !samples) return 0;
-
- if (venc->have_saved) {
- for (channel = 0; channel < venc->channels; channel++) {
- memcpy(venc->samples + channel*window_len*2, venc->saved + channel*window_len, sizeof(float)*window_len);
- }
- } else {
- for (channel = 0; channel < venc->channels; channel++) {
- memset(venc->samples + channel*window_len*2, 0, sizeof(float)*window_len);
- }
- }
-
- if (samples) {
- for (channel = 0; channel < venc->channels; channel++) {
- float * offset = venc->samples + channel*window_len*2 + window_len;
- j = channel;
- for (i = 0; i < samples; i++, j += venc->channels)
- offset[i] = audio[j] / 32768. / n * win[window_len - i - 1];
- }
- } else {
- for (channel = 0; channel < venc->channels; channel++) {
- memset(venc->samples + channel*window_len*2 + window_len, 0, sizeof(float)*window_len);
- }
- }
-
- for (channel = 0; channel < venc->channels; channel++) {
- ff_mdct_calc(&venc->mdct[0], venc->coeffs + channel*window_len, venc->samples + channel*window_len*2, venc->floor/*tmp*/);
- }
-
- if (samples) {
- for (channel = 0; channel < venc->channels; channel++) {
- float * offset = venc->saved + channel*window_len;
- j = channel;
- for (i = 0; i < samples; i++, j += venc->channels)
- offset[i] = audio[j] / 32768. / n * win[i];
- }
- venc->have_saved = 1;
- } else {
- venc->have_saved = 0;
- }
- return 1;
-}
-
-static int vorbis_encode_init(AVCodecContext * avccontext)
-{
- venc_context_t * venc = avccontext->priv_data;
-
- if (avccontext->channels != 2) {
- av_log(avccontext, AV_LOG_ERROR, "Current FFmpeg Vorbis encoder only supports 2 channels.\n");
- return -1;
- }
-
- create_vorbis_context(venc, avccontext);
-
- if (avccontext->flags & CODEC_FLAG_QSCALE) venc->quality = avccontext->global_quality / (float)FF_QP2LAMBDA / 10.;
- else venc->quality = 1.;
- venc->quality *= venc->quality;
-
- avccontext->extradata_size = put_main_header(venc, (uint8_t**)&avccontext->extradata);
-
- avccontext->frame_size = 1 << (venc->log2_blocksize[0] - 1);
-
- avccontext->coded_frame = avcodec_alloc_frame();
- avccontext->coded_frame->key_frame = 1;
-
- return 0;
-}
-
-static int vorbis_encode_frame(AVCodecContext * avccontext, unsigned char * packets, int buf_size, void *data)
-{
- venc_context_t * venc = avccontext->priv_data;
- signed short * audio = data;
- int samples = data ? avccontext->frame_size : 0;
- vorbis_mode_t * mode;
- mapping_t * mapping;
- PutBitContext pb;
- int i;
-
- if (!apply_window_and_mdct(venc, audio, samples)) return 0;
- samples = 1 << (venc->log2_blocksize[0] - 1);
-
- init_put_bits(&pb, packets, buf_size);
-
- put_bits(&pb, 1, 0); // magic bit
-
- put_bits(&pb, ilog(venc->nmodes - 1), 0); // 0 bits, the mode
-
- mode = &venc->modes[0];
- mapping = &venc->mappings[mode->mapping];
- if (mode->blockflag) {
- put_bits(&pb, 1, 0);
- put_bits(&pb, 1, 0);
- }
-
- for (i = 0; i < venc->channels; i++) {
- floor_t * fc = &venc->floors[mapping->floor[mapping->mux[i]]];
- uint_fast16_t posts[fc->values];
- floor_fit(venc, fc, &venc->coeffs[i * samples], posts, samples);
- floor_encode(venc, fc, &pb, posts, &venc->floor[i * samples], samples);
- }
-
- for (i = 0; i < venc->channels * samples; i++) {
- venc->coeffs[i] /= venc->floor[i];
- }
-
- for (i = 0; i < mapping->coupling_steps; i++) {
- float * mag = venc->coeffs + mapping->magnitude[i] * samples;
- float * ang = venc->coeffs + mapping->angle[i] * samples;
- int j;
- for (j = 0; j < samples; j++) {
- float a = ang[j];
- ang[j] -= mag[j];
- if (mag[j] > 0) ang[j] = -ang[j];
- if (ang[j] < 0) mag[j] = a;
- }
- }
-
- residue_encode(venc, &venc->residues[mapping->residue[mapping->mux[0]]], &pb, venc->coeffs, samples, venc->channels);
-
- flush_put_bits(&pb);
- return (put_bits_count(&pb) + 7) / 8;
-}
-
-
-static int vorbis_encode_close(AVCodecContext * avccontext)
-{
- venc_context_t * venc = avccontext->priv_data;
- int i;
-
- if (venc->codebooks) for (i = 0; i < venc->ncodebooks; i++) {
- av_freep(&venc->codebooks[i].lens);
- av_freep(&venc->codebooks[i].codewords);
- av_freep(&venc->codebooks[i].quantlist);
- av_freep(&venc->codebooks[i].dimentions);
- av_freep(&venc->codebooks[i].pow2);
- }
- av_freep(&venc->codebooks);
-
- if (venc->floors) for (i = 0; i < venc->nfloors; i++) {
- int j;
- av_freep(&venc->floors[i].classes);
- if (venc->floors[i].classes)
- for (j = 0; j < venc->floors[i].nclasses; j++)
- av_freep(&venc->floors[i].classes[j].books);
- av_freep(&venc->floors[i].partition_to_class);
- av_freep(&venc->floors[i].list);
- }
- av_freep(&venc->floors);
-
- if (venc->residues) for (i = 0; i < venc->nresidues; i++) {
- av_freep(&venc->residues[i].books);
- av_freep(&venc->residues[i].maxes);
- }
- av_freep(&venc->residues);
-
- if (venc->mappings) for (i = 0; i < venc->nmappings; i++) {
- av_freep(&venc->mappings[i].mux);
- av_freep(&venc->mappings[i].floor);
- av_freep(&venc->mappings[i].residue);
- }
- av_freep(&venc->mappings);
-
- av_freep(&venc->modes);
-
- av_freep(&venc->saved);
- av_freep(&venc->samples);
- av_freep(&venc->floor);
- av_freep(&venc->coeffs);
-
- ff_mdct_end(&venc->mdct[0]);
- ff_mdct_end(&venc->mdct[1]);
-
- av_freep(&avccontext->coded_frame);
- av_freep(&avccontext->extradata);
-
- return 0 ;
-}
-
-AVCodec vorbis_encoder = {
- "vorbis",
- CODEC_TYPE_AUDIO,
- CODEC_ID_VORBIS,
- sizeof(venc_context_t),
- vorbis_encode_init,
- vorbis_encode_frame,
- vorbis_encode_close,
- .capabilities= CODEC_CAP_DELAY,
-};
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