static uint32_t dv_idct_factor_hd1080[2*4*16*64];
static uint32_t dv_idct_factor_hd720 [2*4*16*64];
+static const uint8_t dv_audio_shuffle525[10][9] = {
+ { 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */
+ { 6, 36, 66, 26, 56, 86, 16, 46, 76 },
+ { 12, 42, 72, 2, 32, 62, 22, 52, 82 },
+ { 18, 48, 78, 8, 38, 68, 28, 58, 88 },
+ { 24, 54, 84, 14, 44, 74, 4, 34, 64 },
+
+ { 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */
+ { 7, 37, 67, 27, 57, 87, 17, 47, 77 },
+ { 13, 43, 73, 3, 33, 63, 23, 53, 83 },
+ { 19, 49, 79, 9, 39, 69, 29, 59, 89 },
+ { 25, 55, 85, 15, 45, 75, 5, 35, 65 },
+};
+
+static const uint8_t dv_audio_shuffle625[12][9] = {
+ { 0, 36, 72, 26, 62, 98, 16, 52, 88}, /* 1st channel */
+ { 6, 42, 78, 32, 68, 104, 22, 58, 94},
+ { 12, 48, 84, 2, 38, 74, 28, 64, 100},
+ { 18, 54, 90, 8, 44, 80, 34, 70, 106},
+ { 24, 60, 96, 14, 50, 86, 4, 40, 76},
+ { 30, 66, 102, 20, 56, 92, 10, 46, 82},
+
+ { 1, 37, 73, 27, 63, 99, 17, 53, 89}, /* 2nd channel */
+ { 7, 43, 79, 33, 69, 105, 23, 59, 95},
+ { 13, 49, 85, 3, 39, 75, 29, 65, 101},
+ { 19, 55, 91, 9, 45, 81, 35, 71, 107},
+ { 25, 61, 97, 15, 51, 87, 5, 41, 77},
+ { 31, 67, 103, 21, 57, 93, 11, 47, 83},
+};
+
+/* macroblock bit budgets */
+static const uint8_t block_sizes_dv2550[8] = {
+ 112, 112, 112, 112, 80, 80, 0, 0,
+};
+
+static const uint8_t block_sizes_dv100[8] = {
+ 80, 80, 80, 80, 80, 80, 64, 64,
+};
static const DVprofile dv_profiles[] = {
{ .dsf = 0,
.video_stype = 0x0,
const DVprofile* avpriv_dv_frame_profile2(AVCodecContext* codec, const DVprofile *sys,
const uint8_t* frame, unsigned buf_size)
{
- int i, dsf, stype;
+ int i, dsf, stype;
- if(buf_size < DV_PROFILE_BYTES)
- return NULL;
+ if(buf_size < DV_PROFILE_BYTES)
+ return NULL;
- dsf = (frame[3] & 0x80) >> 7;
- stype = frame[80*5 + 48 + 3] & 0x1f;
+ dsf = (frame[3] & 0x80) >> 7;
+ stype = frame[80 * 5 + 48 + 3] & 0x1f;
- /* 576i50 25Mbps 4:1:1 is a special case */
- if (dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) {
- return &dv_profiles[2];
- }
+ /* 576i50 25Mbps 4:1:1 is a special case */
+ if (dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) {
+ return &dv_profiles[2];
+ }
- if(codec && codec->codec_tag==AV_RL32("dvsd") && codec->width==720 && codec->height==576)
- return &dv_profiles[1];
+ if(codec && codec->codec_tag==AV_RL32("dvsd") && codec->width==720 && codec->height==576)
+ return &dv_profiles[1];
- for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++)
- if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
- return &dv_profiles[i];
+ for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
+ if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
+ return &dv_profiles[i];
- /* check if old sys matches and assumes corrupted input */
- if (sys && buf_size == sys->frame_size)
- return sys;
+ /* check if old sys matches and assumes corrupted input */
+ if (sys && buf_size == sys->frame_size)
+ return sys;
- return NULL;
+ return NULL;
}
const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
return NULL;
}
-