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avcodec/sheervideo: check build_vlc for failure 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2016-06-16 23:05:30 +02:00
parent 6fd4145a1e
commit 6098d4b8a8
1 changed files with 56 additions and 51 deletions
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107
libavcodec/sheervideo.c
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@ -2893,64 +2893,64 @@ static int decode_frame(AVCodecContext *avctx,
avctx->pix_fmt = AV_PIX_FMT_RGB0;
s->decode_frame = decode_rgb;
if (s->format != format) {
build_vlc(&s->vlc[0], l_r_rgb, 256);
build_vlc(&s->vlc[1], l_g_rgb, 256);
ret = build_vlc(&s->vlc[0], l_r_rgb, 256);
ret |= build_vlc(&s->vlc[1], l_g_rgb, 256);
}
break;
case MKTAG(' ', 'r', 'G', 'B'):
avctx->pix_fmt = AV_PIX_FMT_RGB0;
s->decode_frame = decode_rgbi;
if (s->format != format) {
build_vlc(&s->vlc[0], l_r_rgbi, 256);
build_vlc(&s->vlc[1], l_g_rgbi, 256);
ret = build_vlc(&s->vlc[0], l_r_rgbi, 256);
ret |= build_vlc(&s->vlc[1], l_g_rgbi, 256);
}
break;
case MKTAG('A', 'R', 'G', 'X'):
avctx->pix_fmt = AV_PIX_FMT_GBRAP10;
s->decode_frame = decode_argx;
if (s->format != format) {
build_vlc(&s->vlc[0], l_r_rgbx, 1024);
build_vlc(&s->vlc[1], l_g_rgbx, 1024);
ret = build_vlc(&s->vlc[0], l_r_rgbx, 1024);
ret |= build_vlc(&s->vlc[1], l_g_rgbx, 1024);
}
break;
case MKTAG('A', 'r', 'G', 'X'):
avctx->pix_fmt = AV_PIX_FMT_GBRAP10;
s->decode_frame = decode_argxi;
if (s->format != format) {
build_vlc(&s->vlc[0], l_r_rgbxi, 1024);
build_vlc(&s->vlc[1], l_g_rgbxi, 1024);
ret = build_vlc(&s->vlc[0], l_r_rgbxi, 1024);
ret |= build_vlc(&s->vlc[1], l_g_rgbxi, 1024);
}
break;
case MKTAG('R', 'G', 'B', 'X'):
avctx->pix_fmt = AV_PIX_FMT_GBRP10;
s->decode_frame = decode_rgbx;
if (s->format != format) {
build_vlc(&s->vlc[0], l_r_rgbx, 1024);
build_vlc(&s->vlc[1], l_g_rgbx, 1024);
ret = build_vlc(&s->vlc[0], l_r_rgbx, 1024);
ret |= build_vlc(&s->vlc[1], l_g_rgbx, 1024);
}
break;
case MKTAG('r', 'G', 'B', 'X'):
avctx->pix_fmt = AV_PIX_FMT_GBRP10;
s->decode_frame = decode_rgbxi;
if (s->format != format) {
build_vlc(&s->vlc[0], l_r_rgbxi, 1024);
build_vlc(&s->vlc[1], l_g_rgbxi, 1024);
ret = build_vlc(&s->vlc[0], l_r_rgbxi, 1024);
ret |= build_vlc(&s->vlc[1], l_g_rgbxi, 1024);
}
break;
case MKTAG('A', 'R', 'G', 'B'):
avctx->pix_fmt = AV_PIX_FMT_ARGB;
s->decode_frame = decode_argb;
if (s->format != format) {
build_vlc(&s->vlc[0], l_r_rgb, 256);
build_vlc(&s->vlc[1], l_g_rgb, 256);
ret = build_vlc(&s->vlc[0], l_r_rgb, 256);
ret |= build_vlc(&s->vlc[1], l_g_rgb, 256);
}
break;
case MKTAG('A', 'r', 'G', 'B'):
avctx->pix_fmt = AV_PIX_FMT_ARGB;
s->decode_frame = decode_argbi;
if (s->format != format) {
build_vlc(&s->vlc[0], l_r_rgbi, 256);
build_vlc(&s->vlc[1], l_g_rgbi, 256);
ret = build_vlc(&s->vlc[0], l_r_rgbi, 256);
ret |= build_vlc(&s->vlc[1], l_g_rgbi, 256);
}
break;
case MKTAG('A', 'Y', 'B', 'R'):
@ -2958,8 +2958,8 @@ static int decode_frame(AVCodecContext *avctx,
avctx->pix_fmt = AV_PIX_FMT_YUVA444P;
s->decode_frame = decode_aybr;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_ybr, 256);
build_vlc(&s->vlc[1], l_u_ybr, 256);
ret = build_vlc(&s->vlc[0], l_y_ybr, 256);
ret |= build_vlc(&s->vlc[1], l_u_ybr, 256);
}
break;
case MKTAG('A', 'y', 'B', 'R'):
@ -2967,8 +2967,8 @@ static int decode_frame(AVCodecContext *avctx,
avctx->pix_fmt = AV_PIX_FMT_YUVA444P;
s->decode_frame = decode_aybri;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_ybri, 256);
build_vlc(&s->vlc[1], l_u_ybri, 256);
ret = build_vlc(&s->vlc[0], l_y_ybri, 256);
ret |= build_vlc(&s->vlc[1], l_u_ybri, 256);
}
break;
case MKTAG(' ', 'Y', 'B', 'R'):
@ -2976,8 +2976,8 @@ static int decode_frame(AVCodecContext *avctx,
avctx->pix_fmt = AV_PIX_FMT_YUV444P;
s->decode_frame = decode_ybr;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_ybr, 256);
build_vlc(&s->vlc[1], l_u_ybr, 256);
ret = build_vlc(&s->vlc[0], l_y_ybr, 256);
ret |= build_vlc(&s->vlc[1], l_u_ybr, 256);
}
break;
case MKTAG(' ', 'y', 'B', 'R'):
@ -2985,119 +2985,124 @@ static int decode_frame(AVCodecContext *avctx,
avctx->pix_fmt = AV_PIX_FMT_YUV444P;
s->decode_frame = decode_ybri;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_ybri, 256);
build_vlc(&s->vlc[1], l_u_ybri, 256);
ret = build_vlc(&s->vlc[0], l_y_ybri, 256);
ret |= build_vlc(&s->vlc[1], l_u_ybri, 256);
}
break;
case MKTAG('Y', 'B', 'R', 0x0a):
avctx->pix_fmt = AV_PIX_FMT_YUV444P10;
s->decode_frame = decode_ybr10;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_ybr10, 1024);
build_vlc(&s->vlc[1], l_u_ybr10, 1024);
ret = build_vlc(&s->vlc[0], l_y_ybr10, 1024);
ret |= build_vlc(&s->vlc[1], l_u_ybr10, 1024);
}
break;
case MKTAG('y', 'B', 'R', 0x0a):
avctx->pix_fmt = AV_PIX_FMT_YUV444P10;
s->decode_frame = decode_ybr10i;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_ybr10i, 1024);
build_vlc(&s->vlc[1], l_u_ybr10i, 1024);
ret = build_vlc(&s->vlc[0], l_y_ybr10i, 1024);
ret |= build_vlc(&s->vlc[1], l_u_ybr10i, 1024);
}
break;
case MKTAG('C', 'A', '4', 'p'):
avctx->pix_fmt = AV_PIX_FMT_YUVA444P10;
s->decode_frame = decode_ca4p;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_ybr10, 1024);
build_vlc(&s->vlc[1], l_u_ybr10, 1024);
ret = build_vlc(&s->vlc[0], l_y_ybr10, 1024);
ret |= build_vlc(&s->vlc[1], l_u_ybr10, 1024);
}
break;
case MKTAG('C', 'A', '4', 'i'):
avctx->pix_fmt = AV_PIX_FMT_YUVA444P10;
s->decode_frame = decode_ca4i;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_ybr10i, 1024);
build_vlc(&s->vlc[1], l_u_ybr10i, 1024);
ret = build_vlc(&s->vlc[0], l_y_ybr10i, 1024);
ret |= build_vlc(&s->vlc[1], l_u_ybr10i, 1024);
}
break;
case MKTAG('B', 'Y', 'R', 'Y'):
avctx->pix_fmt = AV_PIX_FMT_YUV422P;
s->decode_frame = decode_byry;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_byry, 256);
build_vlc(&s->vlc[1], l_u_byry, 256);
ret = build_vlc(&s->vlc[0], l_y_byry, 256);
ret |= build_vlc(&s->vlc[1], l_u_byry, 256);
}
break;
case MKTAG('B', 'Y', 'R', 'y'):
avctx->pix_fmt = AV_PIX_FMT_YUV422P;
s->decode_frame = decode_byryi;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_byryi, 256);
build_vlc(&s->vlc[1], l_u_byryi, 256);
ret = build_vlc(&s->vlc[0], l_y_byryi, 256);
ret |= build_vlc(&s->vlc[1], l_u_byryi, 256);
}
break;
case MKTAG('Y', 'b', 'Y', 'r'):
avctx->pix_fmt = AV_PIX_FMT_YUV422P;
s->decode_frame = decode_ybyr;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_ybyr, 256);
build_vlc(&s->vlc[1], l_u_ybyr, 256);
ret = build_vlc(&s->vlc[0], l_y_ybyr, 256);
ret |= build_vlc(&s->vlc[1], l_u_ybyr, 256);
}
break;
case MKTAG('C', '8', '2', 'p'):
avctx->pix_fmt = AV_PIX_FMT_YUVA422P;
s->decode_frame = decode_c82p;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_byry, 256);
build_vlc(&s->vlc[1], l_u_byry, 256);
ret = build_vlc(&s->vlc[0], l_y_byry, 256);
ret |= build_vlc(&s->vlc[1], l_u_byry, 256);
}
break;
case MKTAG('C', '8', '2', 'i'):
avctx->pix_fmt = AV_PIX_FMT_YUVA422P;
s->decode_frame = decode_c82i;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_byryi, 256);
build_vlc(&s->vlc[1], l_u_byryi, 256);
ret = build_vlc(&s->vlc[0], l_y_byryi, 256);
ret |= build_vlc(&s->vlc[1], l_u_byryi, 256);
}
break;
case MKTAG(0xa2, 'Y', 'R', 'Y'):
avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
s->decode_frame = decode_yry10;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_yry10, 1024);
build_vlc(&s->vlc[1], l_u_yry10, 1024);
ret = build_vlc(&s->vlc[0], l_y_yry10, 1024);
ret |= build_vlc(&s->vlc[1], l_u_yry10, 1024);
}
break;
case MKTAG(0xa2, 'Y', 'R', 'y'):
avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
s->decode_frame = decode_yry10i;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_yry10i, 1024);
build_vlc(&s->vlc[1], l_u_yry10i, 1024);
ret = build_vlc(&s->vlc[0], l_y_yry10i, 1024);
ret |= build_vlc(&s->vlc[1], l_u_yry10i, 1024);
}
break;
case MKTAG('C', 'A', '2', 'p'):
avctx->pix_fmt = AV_PIX_FMT_YUVA422P10;
s->decode_frame = decode_ca2p;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_yry10, 1024);
build_vlc(&s->vlc[1], l_u_yry10, 1024);
ret = build_vlc(&s->vlc[0], l_y_yry10, 1024);
ret |= build_vlc(&s->vlc[1], l_u_yry10, 1024);
}
break;
case MKTAG('C', 'A', '2', 'i'):
avctx->pix_fmt = AV_PIX_FMT_YUVA422P10;
s->decode_frame = decode_ca2i;
if (s->format != format) {
build_vlc(&s->vlc[0], l_y_yry10i, 1024);
build_vlc(&s->vlc[1], l_u_yry10i, 1024);
ret = build_vlc(&s->vlc[0], l_y_yry10i, 1024);
ret |= build_vlc(&s->vlc[1], l_u_yry10i, 1024);
}
break;
default:
avpriv_request_sample(avctx, "unsupported format: 0x%X", format);
return AVERROR_PATCHWELCOME;
}
s->format = format;
if (s->format != format) {
if (ret < 0)
return ret;
s->format = format;
}
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;