#include "libavutil/pixdesc.h"
#include "avcodec.h"
-#include "dsputil.h"
+#include "idctdsp.h"
#include "internal.h"
-#include "mpegvideo.h"
+#include "jpegtables.h"
+#include "mjpegenc_common.h"
#include "mjpeg.h"
#include "mjpegenc.h"
typedef struct LJpegEncContext {
- DSPContext dsp;
+ AVClass *class;
+ IDCTDSPContext idsp;
ScanTable scantable;
uint16_t matrix[64];
uint8_t huff_size_dc_chrominance[12];
uint16_t (*scratch)[4];
+ int pred;
} LJpegEncContext;
static int ljpeg_encode_bgr(AVCodecContext *avctx, PutBitContext *pb,
const int height = frame->height;
const int linesize = frame->linesize[0];
uint16_t (*buffer)[4] = s->scratch;
- const int predictor = avctx->prediction_method+1;
int left[3], top[3], topleft[3];
int x, y, i;
+#if FF_API_PRIVATE_OPT
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (avctx->prediction_method)
+ s->pred = avctx->prediction_method + 1;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
for (i = 0; i < 3; i++)
buffer[0][i] = 1 << (9 - 1);
for (y = 0; y < height; y++) {
- const int modified_predictor = y ? predictor : 1;
+ const int modified_predictor = y ? s->pred : 1;
uint8_t *ptr = frame->data[0] + (linesize * y);
if (pb->buf_end - pb->buf - (put_bits_count(pb) >> 3) < width * 3 * 3) {
static int ljpeg_encode_yuv(AVCodecContext *avctx, PutBitContext *pb,
const AVFrame *frame)
{
- const int predictor = avctx->prediction_method + 1;
LJpegEncContext *s = avctx->priv_data;
const int mb_width = (avctx->width + s->hsample[0] - 1) / s->hsample[0];
const int mb_height = (avctx->height + s->vsample[0] - 1) / s->vsample[0];
int mb_x, mb_y;
+#if FF_API_PRIVATE_OPT
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (avctx->prediction_method)
+ s->pred = avctx->prediction_method + 1;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
for (mb_y = 0; mb_y < mb_height; mb_y++) {
if (pb->buf_end - pb->buf - (put_bits_count(pb) >> 3) <
mb_width * 4 * 3 * s->hsample[0] * s->vsample[0]) {
}
for (mb_x = 0; mb_x < mb_width; mb_x++)
- ljpeg_encode_yuv_mb(s, pb, frame, predictor, mb_x, mb_y);
+ ljpeg_encode_yuv_mb(s, pb, frame, s->pred, mb_x, mb_y);
}
return 0;
const int height = avctx->height;
const int mb_width = (width + s->hsample[0] - 1) / s->hsample[0];
const int mb_height = (height + s->vsample[0] - 1) / s->vsample[0];
- int max_pkt_size = FF_MIN_BUFFER_SIZE;
+ int max_pkt_size = AV_INPUT_BUFFER_MIN_SIZE;
int ret, header_bits;
if (avctx->pix_fmt == AV_PIX_FMT_BGR24)
init_put_bits(&pb, pkt->data, pkt->size);
ff_mjpeg_encode_picture_header(avctx, &pb, &s->scantable,
- s->matrix);
+ s->pred, s->matrix);
header_bits = put_bits_count(&pb);
{
LJpegEncContext *s = avctx->priv_data;
- av_frame_free(&avctx->coded_frame);
av_freep(&s->scratch);
return 0;
if ((avctx->pix_fmt == AV_PIX_FMT_YUV420P ||
avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
- avctx->pix_fmt == AV_PIX_FMT_YUV444P) &&
+ avctx->pix_fmt == AV_PIX_FMT_YUV444P ||
+ avctx->color_range == AVCOL_RANGE_MPEG) &&
avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
av_log(avctx, AV_LOG_ERROR,
"Limited range YUV is non-standard, set strict_std_compliance to "
return AVERROR(EINVAL);
}
- avctx->coded_frame = av_frame_alloc();
- if (!avctx->coded_frame)
- return AVERROR(ENOMEM);
-
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
avctx->coded_frame->key_frame = 1;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
s->scratch = av_malloc_array(avctx->width + 1, sizeof(*s->scratch));
- ff_dsputil_init(&s->dsp, avctx);
- ff_init_scantable(s->dsp.idct_permutation, &s->scantable, ff_zigzag_direct);
+ ff_idctdsp_init(&s->idsp, avctx);
+ ff_init_scantable(s->idsp.idct_permutation, &s->scantable,
+ ff_zigzag_direct);
av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift,
&chroma_v_shift);
return 0;
}
+#define OFFSET(x) offsetof(LJpegEncContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+{ "pred", "Prediction method", OFFSET(pred), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 3, VE, "pred" },
+ { "left", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "pred" },
+ { "plane", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, INT_MIN, INT_MAX, VE, "pred" },
+ { "median", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3 }, INT_MIN, INT_MAX, VE, "pred" },
+
+ { NULL},
+};
+
+static const AVClass ljpeg_class = {
+ .class_name = "ljpeg",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
AVCodec ff_ljpeg_encoder = {
.name = "ljpeg",
.long_name = NULL_IF_CONFIG_SMALL("Lossless JPEG"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_LJPEG,
.priv_data_size = sizeof(LJpegEncContext),
+ .priv_class = &ljpeg_class,
.init = ljpeg_encode_init,
.encode2 = ljpeg_encode_frame,
.close = ljpeg_encode_close,
AV_PIX_FMT_BGR24,
AV_PIX_FMT_YUV420P,
AV_PIX_FMT_YUV422P,
- AV_PIX_FMT_YUVJ444P,
+ AV_PIX_FMT_YUV444P,
AV_PIX_FMT_NONE },
};