#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "avcodec.h"
-#include "dsputil.h"
+#include "internal.h"
#include "mjpeg.h"
#include "mjpegdec.h"
#include "jpeglsdec.h"
s->picture_ptr = &s->picture;
s->avctx = avctx;
+ ff_hpeldsp_init(&s->hdsp, avctx->flags);
ff_dsputil_init(&s->dsp, avctx);
ff_init_scantable(s->dsp.idct_permutation, &s->scantable, ff_zigzag_direct);
s->buffer_size = 0;
nb_components > MAX_COMPONENTS)
return -1;
if (s->ls && !(s->bits <= 8 || nb_components == 1)) {
- av_log_missing_feature(s->avctx,
- "only <= 8 bits/component or "
- "16-bit gray accepted for JPEG-LS\n", 0);
+ avpriv_report_missing_feature(s->avctx,
+ "JPEG-LS that is not <= 8 "
+ "bits/component or 16-bit gray");
return AVERROR_PATCHWELCOME;
}
s->nb_components = nb_components;
}
if (s->ls && (s->h_max > 1 || s->v_max > 1)) {
- av_log_missing_feature(s->avctx,
- "Subsampling in JPEG-LS is not supported.\n", 0);
+ avpriv_report_missing_feature(s->avctx, "Subsampling in JPEG-LS");
return AVERROR_PATCHWELCOME;
}
/* if different size, realloc/alloc picture */
/* XXX: also check h_count and v_count */
if (width != s->width || height != s->height) {
- av_freep(&s->qscale_table);
-
s->width = width;
s->height = height;
s->interlaced = 0;
avcodec_set_dimensions(s->avctx, width, height);
- s->qscale_table = av_mallocz((s->width + 15) / 16);
s->first_picture = 0;
}
switch (pix_fmt_id) {
case 0x11111100:
if (s->rgb)
- s->avctx->pix_fmt = PIX_FMT_BGRA;
+ s->avctx->pix_fmt = AV_PIX_FMT_BGRA;
else
- s->avctx->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV444P : PIX_FMT_YUVJ444P;
+ s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV444P : AV_PIX_FMT_YUVJ444P;
assert(s->nb_components == 3);
break;
case 0x11000000:
- s->avctx->pix_fmt = PIX_FMT_GRAY8;
+ s->avctx->pix_fmt = AV_PIX_FMT_GRAY8;
break;
case 0x12111100:
- s->avctx->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV440P : PIX_FMT_YUVJ440P;
+ s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV440P : AV_PIX_FMT_YUVJ440P;
break;
case 0x21111100:
- s->avctx->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV422P : PIX_FMT_YUVJ422P;
+ s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV422P : AV_PIX_FMT_YUVJ422P;
break;
case 0x22111100:
- s->avctx->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV420P : PIX_FMT_YUVJ420P;
+ s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV420P : AV_PIX_FMT_YUVJ420P;
break;
default:
av_log(s->avctx, AV_LOG_ERROR, "Unhandled pixel format 0x%x\n", pix_fmt_id);
}
if (s->ls) {
if (s->nb_components > 1)
- s->avctx->pix_fmt = PIX_FMT_RGB24;
+ s->avctx->pix_fmt = AV_PIX_FMT_RGB24;
else if (s->bits <= 8)
- s->avctx->pix_fmt = PIX_FMT_GRAY8;
+ s->avctx->pix_fmt = AV_PIX_FMT_GRAY8;
else
- s->avctx->pix_fmt = PIX_FMT_GRAY16;
+ s->avctx->pix_fmt = AV_PIX_FMT_GRAY16;
}
- if (s->picture_ptr->data[0])
- s->avctx->release_buffer(s->avctx, s->picture_ptr);
-
- if (s->avctx->get_buffer(s->avctx, s->picture_ptr) < 0) {
+ av_frame_unref(s->picture_ptr);
+ if (ff_get_buffer(s->avctx, s->picture_ptr, AV_GET_BUFFER_FLAG_REF) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
}
/* decode block and dequantize */
-static int decode_block(MJpegDecodeContext *s, DCTELEM *block, int component,
+static int decode_block(MJpegDecodeContext *s, int16_t *block, int component,
int dc_index, int ac_index, int16_t *quant_matrix)
{
int code, i, j, level, val;
return 0;
}
-static int decode_dc_progressive(MJpegDecodeContext *s, DCTELEM *block,
+static int decode_dc_progressive(MJpegDecodeContext *s, int16_t *block,
int component, int dc_index,
int16_t *quant_matrix, int Al)
{
}
/* decode block and dequantize - progressive JPEG version */
-static int decode_block_progressive(MJpegDecodeContext *s, DCTELEM *block,
+static int decode_block_progressive(MJpegDecodeContext *s, int16_t *block,
uint8_t *last_nnz, int ac_index,
int16_t *quant_matrix,
int ss, int se, int Al, int *EOBRUN)
}
/* decode block and dequantize - progressive JPEG refinement pass */
-static int decode_block_refinement(MJpegDecodeContext *s, DCTELEM *block,
+static int decode_block_refinement(MJpegDecodeContext *s, int16_t *block,
uint8_t *last_nnz,
int ac_index, int16_t *quant_matrix,
int ss, int se, int Al, int *EOBRUN)
ptr = data[c] + block_offset;
if (!s->progressive) {
if (copy_mb)
- copy_block8(ptr, reference_data[c] + block_offset,
- linesize[c], linesize[c], 8);
+ s->hdsp.put_pixels_tab[1][0](ptr,
+ reference_data[c] + block_offset,
+ linesize[c], 8);
else {
s->dsp.clear_block(s->block);
if (decode_block(s, s->block, i,
} else {
int block_idx = s->block_stride[c] * (v * mb_y + y) +
(h * mb_x + x);
- DCTELEM *block = s->blocks[c][block_idx];
+ int16_t *block = s->blocks[c][block_idx];
if (Ah)
block[0] += get_bits1(&s->gb) *
s->quant_matrixes[s->quant_index[c]][0] << Al;
int block_offset = mb_y * linesize * 8;
uint8_t *ptr = data + block_offset;
int block_idx = mb_y * s->block_stride[c];
- DCTELEM (*block)[64] = &s->blocks[c][block_idx];
+ int16_t (*block)[64] = &s->blocks[c][block_idx];
uint8_t *last_nnz = &s->last_nnz[c][block_idx];
for (mb_x = 0; mb_x < s->mb_width; mb_x++, block++, last_nnz++) {
const int copy_mb = mb_bitmask && !get_bits1(&mb_bitmask_gb);
if (last_scan) {
if (copy_mb) {
- copy_block8(ptr, reference_data + block_offset,
- linesize, linesize, 8);
+ s->hdsp.put_pixels_tab[1][0](ptr,
+ reference_data + block_offset,
+ linesize, 8);
} else {
s->dsp.idct_put(ptr, linesize, *block);
ptr += 8;
}
*unescaped_buf_ptr = s->buffer;
*unescaped_buf_size = dst - s->buffer;
+ memset(s->buffer + *unescaped_buf_size, 0,
+ FF_INPUT_BUFFER_PADDING_SIZE);
av_log(s->avctx, AV_LOG_DEBUG, "escaping removed %td bytes\n",
(buf_end - *buf_ptr) - (dst - s->buffer));
*unescaped_buf_ptr = dst;
*unescaped_buf_size = (bit_count + 7) >> 3;
+ memset(s->buffer + *unescaped_buf_size, 0,
+ FF_INPUT_BUFFER_PADDING_SIZE);
} else {
*unescaped_buf_ptr = *buf_ptr;
*unescaped_buf_size = buf_end - *buf_ptr;
return start_code;
}
-int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
+int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int unescaped_buf_size;
int start_code;
int ret = 0;
- AVFrame *picture = data;
s->got_picture = 0; // picture from previous image can not be reused
buf_ptr = buf;
av_log(avctx, AV_LOG_WARNING,
"Found EOI before any SOF, ignoring\n");
break;
- }
+ }
if (s->interlaced) {
s->bottom_field ^= 1;
/* if not bottom field, do not output image yet */
if (s->bottom_field == !s->interlace_polarity)
goto not_the_end;
- }
- *picture = *s->picture_ptr;
- *data_size = sizeof(AVFrame);
-
- if (!s->lossless) {
- picture->quality = FFMAX3(s->qscale[0],
- s->qscale[1],
- s->qscale[2]);
- picture->qstride = 0;
- picture->qscale_table = s->qscale_table;
- memset(picture->qscale_table, picture->quality,
- (s->width + 15) / 16);
- if (avctx->debug & FF_DEBUG_QP)
- av_log(avctx, AV_LOG_DEBUG,
- "QP: %d\n", picture->quality);
- picture->quality *= FF_QP2LAMBDA;
- }
+ }
+ if ((ret = av_frame_ref(data, s->picture_ptr)) < 0)
+ return ret;
+ *got_frame = 1;
+
+ if (!s->lossless &&
+ avctx->debug & FF_DEBUG_QP) {
+ av_log(avctx, AV_LOG_DEBUG,
+ "QP: %d\n", FFMAX3(s->qscale[0],
+ s->qscale[1],
+ s->qscale[2]));
+ }
goto the_end;
case SOS:
MJpegDecodeContext *s = avctx->priv_data;
int i, j;
- if (s->picture_ptr && s->picture_ptr->data[0])
- avctx->release_buffer(avctx, s->picture_ptr);
+ if (s->picture_ptr)
+ av_frame_unref(s->picture_ptr);
av_free(s->buffer);
- av_free(s->qscale_table);
av_freep(&s->ljpeg_buffer);
s->ljpeg_buffer_size = 0;
projects / ffmpeg / blobdiff