#include "mjpeg.h"
#include "mjpegdec.h"
#include "jpeglsdec.h"
+#include "profiles.h"
#include "put_bits.h"
#include "tiff.h"
#include "exif.h"
av_log(s->avctx, AV_LOG_DEBUG, "sof0: picture: %dx%d\n", width, height);
if (av_image_check_size(width, height, 0, s->avctx) < 0)
return AVERROR_INVALIDDATA;
+ if (s->buf_size && (width + 7) / 8 * ((height + 7) / 8) > s->buf_size * 4LL)
+ return AVERROR_INVALIDDATA;
nb_components = get_bits(&s->gb, 8);
if (nb_components <= 0 ||
s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG;
break;
case 0x22111100:
+ case 0x23111100:
case 0x42111100:
case 0x24111100:
if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV420P : AV_PIX_FMT_YUVJ420P;
if (s->bits > 8)
goto unk_pixfmt;
s->upscale_v[1] = s->upscale_v[2] = 1;
+ } else if (pix_fmt_id == 0x23111100) {
+ if (s->bits > 8)
+ goto unk_pixfmt;
+ s->upscale_v[1] = s->upscale_v[2] = 2;
}
break;
case 0x41111100:
avpriv_report_missing_feature(s->avctx, "Lowres for weird subsampling");
return AVERROR_PATCHWELCOME;
}
+ if ((AV_RB32(s->upscale_h) || AV_RB32(s->upscale_v)) && s->progressive && s->avctx->pix_fmt == AV_PIX_FMT_GBRP) {
+ avpriv_report_missing_feature(s->avctx, "progressive for weird subsampling");
+ return AVERROR_PATCHWELCOME;
+ }
if (s->ls) {
memset(s->upscale_h, 0, sizeof(s->upscale_h));
memset(s->upscale_v, 0, sizeof(s->upscale_v));
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
int modified_predictor = predictor;
+ if (get_bits_left(&s->gb) < 1) {
+ av_log(s->avctx, AV_LOG_ERROR, "bitstream end in rgb_scan\n");
+ return AVERROR_INVALIDDATA;
+ }
+
if (s->restart_interval && !s->restart_count){
s->restart_count = s->restart_interval;
resync_mb_x = mb_x;
return -1;
left[i] = buffer[mb_x][i] =
- mask & (pred + (dc * (1 << point_transform)));
+ mask & (pred + (unsigned)(dc * (1 << point_transform)));
}
if (s->restart_interval && !--s->restart_count) {
s->h_scount[i] = s->h_count[index];
s->v_scount[i] = s->v_count[index];
- if(nb_components == 3 && s->nb_components == 3 && s->avctx->pix_fmt == AV_PIX_FMT_GBR24P)
- index = (i+2)%3;
- if(nb_components == 1 && s->nb_components == 3 && s->avctx->pix_fmt == AV_PIX_FMT_GBR24P)
+ if((nb_components == 1 || nb_components == 3) && s->nb_components == 3 && s->avctx->pix_fmt == AV_PIX_FMT_GBR24P)
index = (index+2)%3;
s->comp_index[i] = index;
int ret = 0;
int is16bit;
+ s->buf_size = buf_size;
+
av_dict_free(&s->exif_metadata);
av_freep(&s->stereo3d);
s->adobe_transform = -1;
w = AV_CEIL_RSHIFT(w, hshift);
h = AV_CEIL_RSHIFT(h, vshift);
}
- if (s->upscale_v[p])
+ if (s->upscale_v[p] == 1)
h = (h+1)>>1;
av_assert0(w > 0);
for (i = 0; i < h; i++) {
}
dst = &((uint8_t *)s->picture_ptr->data[p])[(h - 1) * s->linesize[p]];
for (i = h - 1; i; i--) {
- uint8_t *src1 = &((uint8_t *)s->picture_ptr->data[p])[i / 2 * s->linesize[p]];
- uint8_t *src2 = &((uint8_t *)s->picture_ptr->data[p])[(i + 1) / 2 * s->linesize[p]];
- if (src1 == src2 || i == h - 1) {
+ uint8_t *src1 = &((uint8_t *)s->picture_ptr->data[p])[i * s->upscale_v[p] / (s->upscale_v[p] + 1) * s->linesize[p]];
+ uint8_t *src2 = &((uint8_t *)s->picture_ptr->data[p])[(i + 1) * s->upscale_v[p] / (s->upscale_v[p] + 1) * s->linesize[p]];
+ if (s->upscale_v[p] != 2 && (src1 == src2 || i == h - 1)) {
memcpy(dst, src1, w);
} else {
for (index = 0; index < w; index++)
.capabilities = AV_CODEC_CAP_DR1,
.max_lowres = 3,
.priv_class = &mjpegdec_class,
+ .profiles = NULL_IF_CONFIG_SMALL(ff_mjpeg_profiles),
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
.hw_configs = (const AVCodecHWConfigInternal*[]) {