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avcodec/sheervideo: Avoid code duplication when creating VLC tables

The SheerVideo decoder uses two VLC tables and these are in turn created
from structures (called SheerTable) that are naturally paired. This
commit unifies these pairs of SheerTables to arrays and unifies creating
the VLC tables.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-10-10 20:28:16 +02:00
parent d3f35224a9
commit 8227f60fee
2 changed files with 145 additions and 205 deletions

View File

@ -1816,6 +1816,7 @@ static int decode_frame(AVCodecContext *avctx,
{
SheerVideoContext *s = avctx->priv_data;
ThreadFrame frame = { .f = data };
const SheerTable *table;
AVFrame *p = data;
GetBitContext gb;
unsigned format;
@ -1835,210 +1836,135 @@ static int decode_frame(AVCodecContext *avctx,
case MKTAG(' ', 'R', 'G', 'B'):
avctx->pix_fmt = AV_PIX_FMT_RGB0;
s->decode_frame = decode_rgb;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_r_rgb);
ret |= build_vlc(&s->vlc[1], &l_g_rgb);
}
table = rgb;
break;
case MKTAG(' ', 'r', 'G', 'B'):
avctx->pix_fmt = AV_PIX_FMT_RGB0;
s->decode_frame = decode_rgbi;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_r_rgbi);
ret |= build_vlc(&s->vlc[1], &l_g_rgbi);
}
table = rgbi;
break;
case MKTAG('A', 'R', 'G', 'X'):
avctx->pix_fmt = AV_PIX_FMT_GBRAP10;
s->decode_frame = decode_argx;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_r_rgbx);
ret |= build_vlc(&s->vlc[1], &l_g_rgbx);
}
table = rgbx;
break;
case MKTAG('A', 'r', 'G', 'X'):
avctx->pix_fmt = AV_PIX_FMT_GBRAP10;
s->decode_frame = decode_argxi;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_r_rgbxi);
ret |= build_vlc(&s->vlc[1], &l_g_rgbxi);
}
table = rgbxi;
break;
case MKTAG('R', 'G', 'B', 'X'):
avctx->pix_fmt = AV_PIX_FMT_GBRP10;
s->decode_frame = decode_rgbx;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_r_rgbx);
ret |= build_vlc(&s->vlc[1], &l_g_rgbx);
}
table = rgbx;
break;
case MKTAG('r', 'G', 'B', 'X'):
avctx->pix_fmt = AV_PIX_FMT_GBRP10;
s->decode_frame = decode_rgbxi;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_r_rgbxi);
ret |= build_vlc(&s->vlc[1], &l_g_rgbxi);
}
table = rgbxi;
break;
case MKTAG('A', 'R', 'G', 'B'):
avctx->pix_fmt = AV_PIX_FMT_ARGB;
s->decode_frame = decode_argb;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_r_rgb);
ret |= build_vlc(&s->vlc[1], &l_g_rgb);
}
table = rgb;
break;
case MKTAG('A', 'r', 'G', 'B'):
avctx->pix_fmt = AV_PIX_FMT_ARGB;
s->decode_frame = decode_argbi;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_r_rgbi);
ret |= build_vlc(&s->vlc[1], &l_g_rgbi);
}
table = rgbi;
break;
case MKTAG('A', 'Y', 'B', 'R'):
s->alt = 1;
case MKTAG('A', 'Y', 'b', 'R'):
avctx->pix_fmt = AV_PIX_FMT_YUVA444P;
s->decode_frame = decode_aybr;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_ybr);
ret |= build_vlc(&s->vlc[1], &l_u_ybr);
}
table = ybr;
break;
case MKTAG('A', 'y', 'B', 'R'):
s->alt = 1;
case MKTAG('A', 'y', 'b', 'R'):
avctx->pix_fmt = AV_PIX_FMT_YUVA444P;
s->decode_frame = decode_aybri;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_ybri);
ret |= build_vlc(&s->vlc[1], &l_u_ybri);
}
table = ybri;
break;
case MKTAG(' ', 'Y', 'B', 'R'):
s->alt = 1;
case MKTAG(' ', 'Y', 'b', 'R'):
avctx->pix_fmt = AV_PIX_FMT_YUV444P;
s->decode_frame = decode_ybr;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_ybr);
ret |= build_vlc(&s->vlc[1], &l_u_ybr);
}
table = ybr;
break;
case MKTAG(' ', 'y', 'B', 'R'):
s->alt = 1;
case MKTAG(' ', 'y', 'b', 'R'):
avctx->pix_fmt = AV_PIX_FMT_YUV444P;
s->decode_frame = decode_ybri;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_ybri);
ret |= build_vlc(&s->vlc[1], &l_u_ybri);
}
table = ybri;
break;
case MKTAG('Y', 'B', 'R', 0x0a):
avctx->pix_fmt = AV_PIX_FMT_YUV444P10;
s->decode_frame = decode_ybr10;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_ybr10);
ret |= build_vlc(&s->vlc[1], &l_u_ybr10);
}
table = ybr10;
break;
case MKTAG('y', 'B', 'R', 0x0a):
avctx->pix_fmt = AV_PIX_FMT_YUV444P10;
s->decode_frame = decode_ybr10i;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_ybr10i);
ret |= build_vlc(&s->vlc[1], &l_u_ybr10i);
}
table = ybr10i;
break;
case MKTAG('C', 'A', '4', 'p'):
avctx->pix_fmt = AV_PIX_FMT_YUVA444P10;
s->decode_frame = decode_ca4p;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_ybr10);
ret |= build_vlc(&s->vlc[1], &l_u_ybr10);
}
table = ybr10;
break;
case MKTAG('C', 'A', '4', 'i'):
avctx->pix_fmt = AV_PIX_FMT_YUVA444P10;
s->decode_frame = decode_ca4i;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_ybr10i);
ret |= build_vlc(&s->vlc[1], &l_u_ybr10i);
}
table = ybr10i;
break;
case MKTAG('B', 'Y', 'R', 'Y'):
avctx->pix_fmt = AV_PIX_FMT_YUV422P;
s->decode_frame = decode_byry;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_byry);
ret |= build_vlc(&s->vlc[1], &l_u_byry);
}
table = byry;
break;
case MKTAG('B', 'Y', 'R', 'y'):
avctx->pix_fmt = AV_PIX_FMT_YUV422P;
s->decode_frame = decode_byryi;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_byryi);
ret |= build_vlc(&s->vlc[1], &l_u_byryi);
}
table = byryi;
break;
case MKTAG('Y', 'b', 'Y', 'r'):
avctx->pix_fmt = AV_PIX_FMT_YUV422P;
s->decode_frame = decode_ybyr;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_ybyr);
ret |= build_vlc(&s->vlc[1], &l_u_ybyr);
}
table = ybyr;
break;
case MKTAG('C', '8', '2', 'p'):
avctx->pix_fmt = AV_PIX_FMT_YUVA422P;
s->decode_frame = decode_c82p;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_byry);
ret |= build_vlc(&s->vlc[1], &l_u_byry);
}
table = byry;
break;
case MKTAG('C', '8', '2', 'i'):
avctx->pix_fmt = AV_PIX_FMT_YUVA422P;
s->decode_frame = decode_c82i;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_byryi);
ret |= build_vlc(&s->vlc[1], &l_u_byryi);
}
table = byryi;
break;
case MKTAG(0xa2, 'Y', 'R', 'Y'):
avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
s->decode_frame = decode_yry10;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_yry10);
ret |= build_vlc(&s->vlc[1], &l_u_yry10);
}
table = yry10;
break;
case MKTAG(0xa2, 'Y', 'R', 'y'):
avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
s->decode_frame = decode_yry10i;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_yry10i);
ret |= build_vlc(&s->vlc[1], &l_u_yry10i);
}
table = yry10i;
break;
case MKTAG('C', 'A', '2', 'p'):
avctx->pix_fmt = AV_PIX_FMT_YUVA422P10;
s->decode_frame = decode_ca2p;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_yry10);
ret |= build_vlc(&s->vlc[1], &l_u_yry10);
}
table = yry10;
break;
case MKTAG('C', 'A', '2', 'i'):
avctx->pix_fmt = AV_PIX_FMT_YUVA422P10;
s->decode_frame = decode_ca2i;
if (s->format != format) {
ret = build_vlc(&s->vlc[0], &l_y_yry10i);
ret |= build_vlc(&s->vlc[1], &l_u_yry10i);
}
table = yry10i;
break;
default:
avpriv_request_sample(avctx, "unsupported format: 0x%X", format);
@ -2046,7 +1972,8 @@ static int decode_frame(AVCodecContext *avctx,
}
if (s->format != format) {
if (ret < 0) {
if ((ret = build_vlc(&s->vlc[0], &table[0])) < 0 ||
(ret = build_vlc(&s->vlc[1], &table[1])) < 0) {
s->format = 0;
return ret;
}

View File

@ -29,134 +29,147 @@ typedef struct SheerTable {
uint16_t nb_16s;
} SheerTable;
static const SheerTable l_r_rgb = {
static const SheerTable rgb[2] = {
{
{ 0, 0, 2, 2, 3, 3, 5, 5, 8, 8, 10, 9, 14, 15, 18,
17, 16, 13, 10, 10, 8, 7, 6, 5, 3, 2, 3, 0, 0, 0 }, 54
};
static const SheerTable l_g_rgb = {
},
{
{ 0, 2, 0, 2, 0, 1, 1, 0, 2, 1, 3, 3, 4, 7, 13,
11, 8, 4, 3, 3, 1, 2, 1, 0, 1, 0, 1, 2, 0, 0 }, 180
}
};
static const SheerTable l_r_rgbi = {
static const SheerTable rgbi[2] = {
{
{ 0, 0, 1, 3, 3, 3, 6, 8, 8, 11, 12, 15, 18, 21, 38,
0, 22, 19, 15, 12, 11, 7, 8, 6, 4, 2, 3, 0, 0, 0 }, 0
};
static const SheerTable l_g_rgbi = {
},
{
{ 1, 0, 1, 1, 1, 1, 2, 1, 2, 4, 3, 5, 5, 6, 12,
14, 6, 6, 5, 3, 3, 3, 2, 1, 1, 2, 0, 1, 0, 0 }, 164
}
};
static const SheerTable l_y_ybr = {
static const SheerTable ybr[2] = {
{
{ 0, 0, 2, 2, 2, 3, 5, 5, 7, 7, 8, 9, 13, 13, 19,
16, 14, 12, 9, 9, 7, 6, 6, 4, 4, 1, 2, 1, 0, 0 }, 70
};
static const SheerTable l_u_ybr = {
},
{
{ 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 2, 2, 3, 5, 5,
5, 5, 3, 2, 2, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0 }, 212
}
};
static const SheerTable l_y_ybyr = {
static const SheerTable ybyr[2] = {
{
{ 0, 0, 2, 2, 3, 3, 5, 5, 8, 8, 10, 10, 13, 15, 19,
18, 15, 12, 10, 10, 8, 7, 6, 5, 3, 2, 3, 0, 0, 0 }, 54
};
static const SheerTable l_u_ybyr = {
},
{
{ 1, 1, 0, 1, 0, 1, 0, 1, 1, 2, 2, 3, 2, 5, 5,
5, 4, 3, 2, 2, 2, 1, 1, 1, 1, 0, 0, 1, 0, 0 }, 208
}
};
static const SheerTable l_y_byry = {
static const SheerTable byry[2] = {
{
{ 0, 0, 2, 2, 2, 3, 5, 5, 7, 7, 8, 11, 10, 14, 19,
14, 16, 12, 10, 8, 7, 6, 6, 4, 4, 1, 2, 1, 0, 0 }, 70
};
static const SheerTable l_u_byry = {
},
{
{ 1, 1, 0, 1, 0, 1, 0, 1, 2, 1, 2, 2, 3, 4, 6,
6, 4, 2, 3, 2, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0 }, 208
}
};
static const SheerTable l_y_ybr10i = {
static const SheerTable ybr10i[2] = {
{
{ 0, 0, 1, 0, 3, 8, 9, 12, 19, 27, 27, 39, 50, 63, 93,
89, 64, 50, 38, 26, 26, 20, 12, 9, 8, 3, 0, 0, 0, 0 }, 328
};
static const SheerTable l_u_ybr10i = {
},
{
{ 0, 1, 1, 2, 2, 1, 2, 2, 4, 4, 6, 7, 9, 13, 28,
28, 12, 11, 6, 7, 5, 3, 3, 1, 1, 2, 2, 1, 0, 0 }, 860
}
};
static const SheerTable l_y_ybr10 = {
static const SheerTable ybr10[2] = {
{
{ 0, 0, 0, 1, 6, 6, 8, 12, 18, 21, 27, 29, 36, 47, 71,
72, 46, 36, 29, 27, 21, 17, 13, 7, 7, 5, 0, 0, 0, 0 }, 462
};
static const SheerTable l_u_ybr10 = {
},
{
{ 0, 1, 2, 1, 2, 1, 1, 1, 2, 3, 2, 5, 6, 10, 20,
20, 10, 6, 4, 3, 2, 2, 2, 1, 1, 1, 2, 1, 0, 0 }, 912
}
};
static const SheerTable l_r_rgbx = {
static const SheerTable rgbx[2] = {
{
{ 0, 0, 0, 1, 3, 9, 10, 13, 19, 26, 28, 35, 40, 53, 77,
77, 50, 42, 34, 28, 25, 19, 13, 10, 8, 4, 0, 0, 0, 0 }, 400
};
static const SheerTable l_g_rgbx = {
},
{
{ 0, 0, 1, 2, 6, 4, 3, 2, 3, 4, 6, 8, 10, 18, 39,
39, 18, 11, 8, 6, 4, 4, 1, 3, 5, 4, 3, 0, 0, 0 }, 812
}
};
static const SheerTable l_y_yry10 = {
static const SheerTable yry10[2] = {
{
{ 0, 0, 0, 1, 6, 6, 8, 12, 18, 21, 27, 29, 36, 47, 71,
72, 46, 36, 29, 27, 21, 17, 13, 7, 7, 5, 0, 0, 0, 0 }, 462
};
static const SheerTable l_u_yry10 = {
},
{
{ 0, 1, 2, 1, 1, 1, 2, 3, 2, 4, 5, 5, 8, 14, 16,
18, 11, 7, 7, 4, 4, 3, 2, 2, 1, 1, 2, 1, 0, 0 }, 896
}
};
static const SheerTable l_y_yry10i = {
static const SheerTable yry10i[2] = {
{
{ 0, 0, 1, 0, 3, 8, 9, 12, 19, 27, 27, 40, 48, 64, 93,
89, 65, 49, 38, 26, 26, 20, 12, 9, 8, 3, 0, 0, 0, 0 }, 328
};
static const SheerTable l_u_yry10i = {
},
{
{ 0, 1, 0, 3, 1, 3, 3, 3, 6, 7, 7, 12, 11, 19, 23,
20, 18, 12, 12, 8, 6, 5, 4, 3, 2, 2, 2, 1, 0, 0 }, 830
}
};
static const SheerTable l_y_ybri = {
static const SheerTable ybri[2] = {
{
{ 0, 0, 2, 2, 2, 3, 5, 5, 7, 10, 11, 13, 15, 13, 26,
20, 16, 17, 12, 11, 9, 7, 5, 5, 3, 3, 1, 1, 0, 0 }, 32
};
static const SheerTable l_u_ybri = {
},
{
{ 1, 0, 1, 0, 1, 1, 0, 2, 1, 2, 2, 2, 3, 6, 6,
5, 6, 3, 2, 2, 2, 1, 2, 0, 1, 1, 0, 0, 1, 0 }, 202
}
};
static const SheerTable l_y_byryi = {
static const SheerTable byryi[2] = {
{
{ 0, 0, 2, 2, 2, 2, 6, 5, 8, 8, 12, 12, 16, 14, 24,
20, 16, 18, 12, 12, 8, 7, 5, 6, 3, 1, 2, 1, 0, 0 }, 32
};
static const SheerTable l_u_byryi = {
},
{
{ 1, 0, 1, 1, 0, 2, 1, 2, 2, 3, 3, 4, 5, 4, 6,
7, 5, 4, 4, 3, 3, 2, 2, 2, 0, 1, 1, 1, 0, 0 }, 186
}
};
static const SheerTable l_r_rgbxi = {
static const SheerTable rgbxi[2] = {
{
{ 0, 0, 1, 3, 2, 3, 4, 6, 16, 23, 27, 29, 24, 29, 76,
78, 29, 21, 29, 27, 23, 15, 7, 4, 3, 2, 3, 0, 0, 0 }, 540
};
static const SheerTable l_g_rgbxi = {
},
{
{ 0, 1, 1, 2, 0, 2, 6, 4, 3, 9, 7, 12, 13, 16, 29,
32, 17, 14, 12, 7, 8, 4, 4, 6, 2, 0, 2, 1, 0, 0 }, 810
}
};
#endif /* AVCODEC_SHEERVIDEODATA_H */