#include "avcodec.h"
#include "blockdsp.h"
#include "copy_block.h"
-#include "hwaccel.h"
+#include "decode.h"
+#include "hwconfig.h"
#include "idctdsp.h"
#include "internal.h"
#include "jpegtables.h"
#include "bytestream.h"
-static int build_vlc(VLC *vlc, const uint8_t *bits_table,
- const uint8_t *val_table, int nb_codes,
- int use_static, int is_ac)
-{
- uint8_t huff_size[256] = { 0 };
- uint16_t huff_code[256];
- uint16_t huff_sym[256];
- int i;
-
- av_assert0(nb_codes <= 256);
-
- ff_mjpeg_build_huffman_codes(huff_size, huff_code, bits_table, val_table);
-
- for (i = 0; i < 256; i++)
- huff_sym[i] = i + 16 * is_ac;
-
- if (is_ac)
- huff_sym[0] = 16 * 256;
-
- return ff_init_vlc_sparse(vlc, 9, nb_codes, huff_size, 1, 1,
- huff_code, 2, 2, huff_sym, 2, 2, use_static);
-}
-
static int init_default_huffman_tables(MJpegDecodeContext *s)
{
static const struct {
int index;
const uint8_t *bits;
const uint8_t *values;
- int codes;
int length;
} ht[] = {
{ 0, 0, avpriv_mjpeg_bits_dc_luminance,
- avpriv_mjpeg_val_dc, 12, 12 },
+ avpriv_mjpeg_val_dc, 12 },
{ 0, 1, avpriv_mjpeg_bits_dc_chrominance,
- avpriv_mjpeg_val_dc, 12, 12 },
+ avpriv_mjpeg_val_dc, 12 },
{ 1, 0, avpriv_mjpeg_bits_ac_luminance,
- avpriv_mjpeg_val_ac_luminance, 251, 162 },
+ avpriv_mjpeg_val_ac_luminance, 162 },
{ 1, 1, avpriv_mjpeg_bits_ac_chrominance,
- avpriv_mjpeg_val_ac_chrominance, 251, 162 },
+ avpriv_mjpeg_val_ac_chrominance, 162 },
{ 2, 0, avpriv_mjpeg_bits_ac_luminance,
- avpriv_mjpeg_val_ac_luminance, 251, 162 },
+ avpriv_mjpeg_val_ac_luminance, 162 },
{ 2, 1, avpriv_mjpeg_bits_ac_chrominance,
- avpriv_mjpeg_val_ac_chrominance, 251, 162 },
+ avpriv_mjpeg_val_ac_chrominance, 162 },
};
int i, ret;
for (i = 0; i < FF_ARRAY_ELEMS(ht); i++) {
- ret = build_vlc(&s->vlcs[ht[i].class][ht[i].index],
- ht[i].bits, ht[i].values, ht[i].codes,
- 0, ht[i].class == 1);
+ ff_free_vlc(&s->vlcs[ht[i].class][ht[i].index]);
+ ret = ff_mjpeg_build_vlc(&s->vlcs[ht[i].class][ht[i].index],
+ ht[i].bits, ht[i].values,
+ ht[i].class == 1, s->avctx);
if (ret < 0)
return ret;
s->picture_ptr = s->picture;
}
+ s->pkt = av_packet_alloc();
+ if (!s->pkt)
+ return AVERROR(ENOMEM);
+
s->avctx = avctx;
ff_blockdsp_init(&s->bdsp, avctx);
ff_hpeldsp_init(&s->hdsp, avctx->flags);
s->buffer = NULL;
s->start_code = -1;
s->first_picture = 1;
+ s->seen_sof = 0;
s->got_picture = 0;
- s->org_height = avctx->coded_height;
+ s->orig_height = avctx->coded_height;
avctx->chroma_sample_location = AVCHROMA_LOC_CENTER;
avctx->colorspace = AVCOL_SPC_BT470BG;
s->hwaccel_pix_fmt = s->hwaccel_sw_pix_fmt = AV_PIX_FMT_NONE;
if (ff_mjpeg_decode_dht(s)) {
av_log(avctx, AV_LOG_ERROR,
"error using external huffman table, switching back to internal\n");
- init_default_huffman_tables(s);
+ if ((ret = init_default_huffman_tables(s)) < 0)
+ return ret;
}
}
if (avctx->field_order == AV_FIELD_BB) { /* quicktime icefloe 019 */
s->interlace_polarity = 1;
}
- if ( avctx->extradata_size > 8
+ if (avctx->codec_id == AV_CODEC_ID_SMVJPEG) {
+ if (avctx->extradata_size >= 4)
+ s->smv_frames_per_jpeg = AV_RL32(avctx->extradata);
+
+ if (s->smv_frames_per_jpeg <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid number of frames per jpeg.\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ s->smv_frame = av_frame_alloc();
+ if (!s->smv_frame)
+ return AVERROR(ENOMEM);
+ } else if (avctx->extradata_size > 8
&& AV_RL32(avctx->extradata) == 0x2C
&& AV_RL32(avctx->extradata+4) == 0x18) {
parse_avid(s, avctx->extradata, avctx->extradata_size);
/* decode huffman tables and build VLC decoders */
int ff_mjpeg_decode_dht(MJpegDecodeContext *s)
{
- int len, index, i, class, n, v, code_max;
+ int len, index, i, class, n, v;
uint8_t bits_table[17];
uint8_t val_table[256];
int ret = 0;
if (len < n || n > 256)
return AVERROR_INVALIDDATA;
- code_max = 0;
for (i = 0; i < n; i++) {
v = get_bits(&s->gb, 8);
- if (v > code_max)
- code_max = v;
val_table[i] = v;
}
len -= n;
/* build VLC and flush previous vlc if present */
ff_free_vlc(&s->vlcs[class][index]);
av_log(s->avctx, AV_LOG_DEBUG, "class=%d index=%d nb_codes=%d\n",
- class, index, code_max + 1);
- if ((ret = build_vlc(&s->vlcs[class][index], bits_table, val_table,
- code_max + 1, 0, class > 0)) < 0)
+ class, index, n);
+ if ((ret = ff_mjpeg_build_vlc(&s->vlcs[class][index], bits_table,
+ val_table, class > 0, s->avctx)) < 0)
return ret;
if (class > 0) {
ff_free_vlc(&s->vlcs[2][index]);
- if ((ret = build_vlc(&s->vlcs[2][index], bits_table, val_table,
- code_max + 1, 0, 0)) < 0)
+ if ((ret = ff_mjpeg_build_vlc(&s->vlcs[2][index], bits_table,
+ val_table, 0, s->avctx)) < 0)
return ret;
}
return AVERROR_PATCHWELCOME;
}
+ if (s->bayer) {
+ if (nb_components == 2) {
+ /* Bayer images embedded in DNGs can contain 2 interleaved components and the
+ width stored in their SOF3 markers is the width of each one. We only output
+ a single component, therefore we need to adjust the output image width. We
+ handle the deinterleaving (but not the debayering) in this file. */
+ width *= 2;
+ }
+ /* They can also contain 1 component, which is double the width and half the height
+ of the final image (rows are interleaved). We don't handle the decoding in this
+ file, but leave that to the TIFF/DNG decoder. */
+ }
/* if different size, realloc/alloc picture */
if (width != s->width || height != s->height || bits != s->bits ||
memcpy(s->h_count, h_count, sizeof(h_count));
memcpy(s->v_count, v_count, sizeof(v_count));
s->interlaced = 0;
+ s->seen_sof = 0;
s->got_picture = 0;
/* test interlaced mode */
if (s->first_picture &&
(s->multiscope != 2 || s->avctx->time_base.den >= 25 * s->avctx->time_base.num) &&
- s->org_height != 0 &&
- s->height < ((s->org_height * 3) / 4)) {
+ s->orig_height != 0 &&
+ s->height < ((s->orig_height * 3) / 4)) {
s->interlaced = 1;
s->bottom_field = s->interlace_polarity;
s->picture_ptr->interlaced_frame = 1;
if (ret < 0)
return ret;
+ if ((s->avctx->codec_tag == MKTAG('A', 'V', 'R', 'n') ||
+ s->avctx->codec_tag == MKTAG('A', 'V', 'D', 'J')) &&
+ s->orig_height < height)
+ s->avctx->height = AV_CEIL_RSHIFT(s->orig_height, s->avctx->lowres);
+
s->first_picture = 0;
} else {
size_change = 0;
}
+ if (s->avctx->codec_id == AV_CODEC_ID_SMVJPEG) {
+ s->avctx->height = s->avctx->coded_height / s->smv_frames_per_jpeg;
+ if (s->avctx->height <= 0)
+ return AVERROR_INVALIDDATA;
+ }
+
if (s->got_picture && s->interlaced && (s->bottom_field == !s->interlace_polarity)) {
if (s->progressive) {
avpriv_request_sample(s->avctx, "progressively coded interlaced picture");
}
}
+ if (s->bayer) {
+ if (pix_fmt_id != 0x11110000 && pix_fmt_id != 0x11000000)
+ goto unk_pixfmt;
+ }
+
switch (pix_fmt_id) {
+ case 0x11110000: /* for bayer-encoded huffman lossless JPEGs embedded in DNGs */
+ if (!s->bayer)
+ goto unk_pixfmt;
+ s->avctx->pix_fmt = AV_PIX_FMT_GRAY16LE;
+ break;
case 0x11111100:
if (s->rgb)
s->avctx->pix_fmt = s->bits <= 9 ? AV_PIX_FMT_BGR24 : AV_PIX_FMT_BGR48;
case 0x12121100:
case 0x22122100:
case 0x21211100:
+ case 0x21112100:
case 0x22211200:
- if (s->bits <= 8) s->avctx->pix_fmt = s->cs_itu601 ? AV_PIX_FMT_YUV444P : AV_PIX_FMT_YUVJ444P;
- else
- goto unk_pixfmt;
- s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG;
- break;
case 0x22221100:
case 0x22112200:
case 0x11222200:
} else if (s->nb_components != 1) {
av_log(s->avctx, AV_LOG_ERROR, "Unsupported number of components %d\n", s->nb_components);
return AVERROR_PATCHWELCOME;
- } else if (s->palette_index && s->bits <= 8)
- s->avctx->pix_fmt = AV_PIX_FMT_PAL8;
- else if (s->bits <= 8)
- s->avctx->pix_fmt = AV_PIX_FMT_GRAY8;
- else
+ } else if (s->bits <= 8) {
+ avpriv_set_systematic_pal2(s->palette, s->avctx->pix_fmt);
+ if (s->palette_index)
+ s->avctx->pix_fmt = AV_PIX_FMT_PAL8;
+ else
+ s->avctx->pix_fmt = AV_PIX_FMT_GRAY8;
+ } else
s->avctx->pix_fmt = AV_PIX_FMT_GRAY16;
}
if (s->avctx->skip_frame == AVDISCARD_ALL) {
s->picture_ptr->pict_type = AV_PICTURE_TYPE_I;
s->picture_ptr->key_frame = 1;
- s->got_picture = 1;
+ s->seen_sof = 1;
return 0;
}
-
- av_frame_unref(s->picture_ptr);
- if (ff_get_buffer(s->avctx, s->picture_ptr, AV_GET_BUFFER_FLAG_REF) < 0)
- return -1;
- s->picture_ptr->pict_type = AV_PICTURE_TYPE_I;
- s->picture_ptr->key_frame = 1;
- s->got_picture = 1;
-
- for (i = 0; i < 4; i++)
- s->linesize[i] = s->picture_ptr->linesize[i] << s->interlaced;
-
- ff_dlog(s->avctx, "%d %d %d %d %d %d\n",
- s->width, s->height, s->linesize[0], s->linesize[1],
- s->interlaced, s->avctx->height);
-
}
+ s->seen_sof = 1;
+
if ((s->rgb && !s->lossless && !s->ls) ||
(!s->rgb && s->ls && s->nb_components > 1) ||
(s->avctx->pix_fmt == AV_PIX_FMT_PAL8 && !s->ls)
memset(s->coefs_finished, 0, sizeof(s->coefs_finished));
}
- if (s->avctx->hwaccel) {
- s->hwaccel_picture_private =
- av_mallocz(s->avctx->hwaccel->frame_priv_data_size);
- if (!s->hwaccel_picture_private)
- return AVERROR(ENOMEM);
-
- ret = s->avctx->hwaccel->start_frame(s->avctx, s->raw_image_buffer,
- s->raw_image_buffer_size);
- if (ret < 0)
- return ret;
- }
-
return 0;
}
return reset;
}
+/* Handles 1 to 4 components */
static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int nb_components, int predictor, int point_transform)
{
int i, mb_x, mb_y;
+ unsigned width;
uint16_t (*buffer)[4];
int left[4], top[4], topleft[4];
const int linesize = s->linesize[0];
const int mask = ((1 << s->bits) - 1) << point_transform;
int resync_mb_y = 0;
int resync_mb_x = 0;
+ int vpred[6];
- if (s->nb_components != 3 && s->nb_components != 4)
+ if (!s->bayer && s->nb_components < 3)
+ return AVERROR_INVALIDDATA;
+ if (s->bayer && s->nb_components > 2)
+ return AVERROR_INVALIDDATA;
+ if (s->nb_components <= 0 || s->nb_components > 4)
return AVERROR_INVALIDDATA;
if (s->v_max != 1 || s->h_max != 1 || !s->lossless)
return AVERROR_INVALIDDATA;
s->restart_count = s->restart_interval;
- av_fast_malloc(&s->ljpeg_buffer, &s->ljpeg_buffer_size,
- (unsigned)s->mb_width * 4 * sizeof(s->ljpeg_buffer[0][0]));
+ if (s->restart_interval == 0)
+ s->restart_interval = INT_MAX;
+
+ if (s->bayer)
+ width = s->mb_width / nb_components; /* Interleaved, width stored is the total so need to divide */
+ else
+ width = s->mb_width;
+
+ av_fast_malloc(&s->ljpeg_buffer, &s->ljpeg_buffer_size, width * 4 * sizeof(s->ljpeg_buffer[0][0]));
if (!s->ljpeg_buffer)
return AVERROR(ENOMEM);
for (i = 0; i < 4; i++)
top[i] = left[i] = topleft[i] = buffer[0][i];
- for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
+ if ((mb_y * s->width) % s->restart_interval == 0) {
+ for (i = 0; i < 6; i++)
+ vpred[i] = 1 << (s->bits-1);
+ }
+
+ for (mb_x = 0; mb_x < width; mb_x++) {
int modified_predictor = predictor;
if (get_bits_left(&s->gb) < 1) {
topleft[i] = top[i];
top[i] = buffer[mb_x][i];
- PREDICT(pred, topleft[i], top[i], left[i], modified_predictor);
-
dc = mjpeg_decode_dc(s, s->dc_index[i]);
if(dc == 0xFFFFF)
return -1;
+ if (!s->bayer || mb_x) {
+ pred = left[i];
+ } else { /* This path runs only for the first line in bayer images */
+ vpred[i] += dc;
+ pred = vpred[i] - dc;
+ }
+
+ PREDICT(pred, topleft[i], top[i], pred, modified_predictor);
+
left[i] = buffer[mb_x][i] =
mask & (pred + (unsigned)(dc * (1 << point_transform)));
}
ptr[3*mb_x + 0] = buffer[mb_x][1] + ptr[3*mb_x + 1];
ptr[3*mb_x + 2] = buffer[mb_x][2] + ptr[3*mb_x + 1];
}
+ } else if (s->bayer) {
+ if (nb_components == 1) {
+ /* Leave decoding to the TIFF/DNG decoder (see comment in ff_mjpeg_decode_sof) */
+ for (mb_x = 0; mb_x < width; mb_x++)
+ ((uint16_t*)ptr)[mb_x] = buffer[mb_x][0];
+ } else if (nb_components == 2) {
+ for (mb_x = 0; mb_x < width; mb_x++) {
+ ((uint16_t*)ptr)[2*mb_x + 0] = buffer[mb_x][0];
+ ((uint16_t*)ptr)[2*mb_x + 1] = buffer[mb_x][1];
+ }
+ }
} else {
for(i=0; i<nb_components; i++) {
int c= s->comp_index[i];
const int block_size = s->lossless ? 1 : 8;
int ilv, prev_shift;
- if (!s->got_picture) {
+ if (!s->seen_sof) {
av_log(s->avctx, AV_LOG_WARNING,
"Can not process SOS before SOF, skipping\n");
return -1;
}
+ if (!s->got_picture || !s->interlaced || !(s->bottom_field == !s->interlace_polarity)) {
+ av_frame_unref(s->picture_ptr);
+ if (ff_get_buffer(s->avctx, s->picture_ptr, AV_GET_BUFFER_FLAG_REF) < 0)
+ return -1;
+ s->picture_ptr->pict_type = AV_PICTURE_TYPE_I;
+ s->picture_ptr->key_frame = 1;
+
+ for (i = 0; i < 4; i++)
+ s->linesize[i] = s->picture_ptr->linesize[i] << s->interlaced;
+
+ if (s->picture_ptr->format == AV_PIX_FMT_PAL8)
+ memcpy(s->picture_ptr->data[1], s->palette, sizeof(s->palette));
+
+ s->got_picture = 1;
+
+ ff_dlog(s->avctx, "%d %d %d %d %d %d\n",
+ s->width, s->height, s->linesize[0], s->linesize[1],
+ s->interlaced, s->avctx->height);
+
+ if (s->avctx->hwaccel && !s->hwaccel_picture_private) {
+ s->hwaccel_picture_private =
+ av_mallocz(s->avctx->hwaccel->frame_priv_data_size);
+ if (!s->hwaccel_picture_private)
+ return AVERROR(ENOMEM);
+
+ ret = s->avctx->hwaccel->start_frame(s->avctx, s->raw_image_buffer,
+ s->raw_image_buffer_size);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
if (reference) {
if (reference->width != s->picture_ptr->width ||
reference->height != s->picture_ptr->height ||
point_transform, ilv)) < 0)
return ret;
} else {
- if (s->rgb) {
+ if (s->rgb || s->bayer) {
if ((ret = ljpeg_decode_rgb_scan(s, nb_components, predictor, point_transform)) < 0)
return ret;
} else {
int len, id, i;
len = get_bits(&s->gb, 16);
- if (len < 6)
- return AVERROR_INVALIDDATA;
+ if (len < 6) {
+ if (s->bayer) {
+ // Pentax K-1 (digital camera) JPEG images embedded in DNG images contain unknown APP0 markers
+ av_log(s->avctx, AV_LOG_WARNING, "skipping APPx (len=%"PRId32") for bayer-encoded image\n", len);
+ skip_bits(&s->gb, len);
+ return 0;
+ } else
+ return AVERROR_INVALIDDATA;
+ }
if (8 * len > get_bits_left(&s->gb))
return AVERROR_INVALIDDATA;
unsigned nummarkers;
id = get_bits_long(&s->gb, 32);
- id2 = get_bits_long(&s->gb, 24);
+ id2 = get_bits(&s->gb, 24);
len -= 7;
if (id != AV_RB32("PROF") || id2 != AV_RB24("ILE")) {
av_log(s->avctx, AV_LOG_WARNING, "Invalid ICC_PROFILE header in APP2\n");
/* Allocate if this is the first APP2 we've seen. */
if (s->iccnum == 0) {
- s->iccdata = av_mallocz(nummarkers * sizeof(*(s->iccdata)));
- s->iccdatalens = av_mallocz(nummarkers * sizeof(*(s->iccdatalens)));
- if (!s->iccdata || !s->iccdatalens) {
+ if (!FF_ALLOCZ_TYPED_ARRAY(s->iccentries, nummarkers)) {
av_log(s->avctx, AV_LOG_ERROR, "Could not allocate ICC data arrays\n");
return AVERROR(ENOMEM);
}
s->iccnum = nummarkers;
}
- if (s->iccdata[seqno - 1]) {
+ if (s->iccentries[seqno - 1].data) {
av_log(s->avctx, AV_LOG_WARNING, "Duplicate ICC sequence number\n");
goto out;
}
- s->iccdatalens[seqno - 1] = len;
- s->iccdata[seqno - 1] = av_malloc(len);
- if (!s->iccdata[seqno - 1]) {
+ s->iccentries[seqno - 1].length = len;
+ s->iccentries[seqno - 1].data = av_malloc(len);
+ if (!s->iccentries[seqno - 1].data) {
av_log(s->avctx, AV_LOG_ERROR, "Could not allocate ICC data buffer\n");
return AVERROR(ENOMEM);
}
- memcpy(s->iccdata[seqno - 1], align_get_bits(&s->gb), len);
+ memcpy(s->iccentries[seqno - 1].data, align_get_bits(&s->gb), len);
skip_bits(&s->gb, len << 3);
len = 0;
s->iccread++;
{
int i;
- if (s->iccdata)
+ if (s->iccentries) {
for (i = 0; i < s->iccnum; i++)
- av_freep(&s->iccdata[i]);
- av_freep(&s->iccdata);
- av_freep(&s->iccdatalens);
+ av_freep(&s->iccentries[i].data);
+ av_freep(&s->iccentries);
+ }
s->iccread = 0;
s->iccnum = 0;
}
-int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
- AVPacket *avpkt)
+// SMV JPEG just stacks several output frames into one JPEG picture
+// we handle that by setting up the cropping parameters appropriately
+static int smv_process_frame(AVCodecContext *avctx, AVFrame *frame)
+{
+ MJpegDecodeContext *s = avctx->priv_data;
+ int ret;
+
+ if (s->smv_next_frame > 0) {
+ av_assert0(s->smv_frame->buf[0]);
+ av_frame_unref(frame);
+ ret = av_frame_ref(frame, s->smv_frame);
+ if (ret < 0)
+ return ret;
+ } else {
+ av_assert0(frame->buf[0]);
+ av_frame_unref(s->smv_frame);
+ ret = av_frame_ref(s->smv_frame, frame);
+ if (ret < 0)
+ return ret;
+ }
+
+ av_assert0((s->smv_next_frame + 1) * avctx->height <= avctx->coded_height);
+
+ frame->width = avctx->coded_width;
+ frame->height = avctx->coded_height;
+ frame->crop_top = FFMIN(s->smv_next_frame * avctx->height, frame->height);
+ frame->crop_bottom = frame->height - (s->smv_next_frame + 1) * avctx->height;
+
+ s->smv_next_frame = (s->smv_next_frame + 1) % s->smv_frames_per_jpeg;
+
+ if (s->smv_next_frame == 0)
+ av_frame_unref(s->smv_frame);
+
+ return 0;
+}
+
+static int mjpeg_get_packet(AVCodecContext *avctx)
+{
+ MJpegDecodeContext *s = avctx->priv_data;
+ int ret;
+
+ av_packet_unref(s->pkt);
+ ret = ff_decode_get_packet(avctx, s->pkt);
+ if (ret < 0)
+ return ret;
+
+#if CONFIG_SP5X_DECODER || CONFIG_AMV_DECODER
+ if (avctx->codec_id == AV_CODEC_ID_SP5X ||
+ avctx->codec_id == AV_CODEC_ID_AMV) {
+ ret = ff_sp5x_process_packet(avctx, s->pkt);
+ if (ret < 0)
+ return ret;
+ }
+#endif
+
+ s->buf_size = s->pkt->size;
+
+ return 0;
+}
+
+int ff_mjpeg_receive_frame(AVCodecContext *avctx, AVFrame *frame)
{
- AVFrame *frame = data;
- const uint8_t *buf = avpkt->data;
- int buf_size = avpkt->size;
MJpegDecodeContext *s = avctx->priv_data;
const uint8_t *buf_end, *buf_ptr;
const uint8_t *unescaped_buf_ptr;
int ret = 0;
int is16bit;
- s->buf_size = buf_size;
+ if (avctx->codec_id == AV_CODEC_ID_SMVJPEG && s->smv_next_frame > 0)
+ return smv_process_frame(avctx, frame);
av_dict_free(&s->exif_metadata);
av_freep(&s->stereo3d);
if (s->iccnum != 0)
reset_icc_profile(s);
- buf_ptr = buf;
- buf_end = buf + buf_size;
+ ret = mjpeg_get_packet(avctx);
+ if (ret < 0)
+ return ret;
+
+ buf_ptr = s->pkt->data;
+ buf_end = s->pkt->data + s->pkt->size;
while (buf_ptr < buf_end) {
/* find start next marker */
start_code = ff_mjpeg_find_marker(s, &buf_ptr, buf_end,
} else if (unescaped_buf_size > INT_MAX / 8) {
av_log(avctx, AV_LOG_ERROR,
"MJPEG packet 0x%x too big (%d/%d), corrupt data?\n",
- start_code, unescaped_buf_size, buf_size);
+ start_code, unescaped_buf_size, s->pkt->size);
return AVERROR_INVALIDDATA;
}
av_log(avctx, AV_LOG_DEBUG, "marker=%x avail_size_in_buf=%"PTRDIFF_SPECIFIER"\n",
break;
}
if (avctx->skip_frame == AVDISCARD_ALL) {
+ s->seen_sof = 0;
s->got_picture = 0;
+ ret = AVERROR(EAGAIN);
goto the_end_no_picture;
}
if (s->avctx->hwaccel) {
}
if ((ret = av_frame_ref(frame, s->picture_ptr)) < 0)
return ret;
- *got_frame = 1;
+ s->seen_sof = 0;
s->got_picture = 0;
- if (!s->lossless) {
+ frame->pkt_dts = s->pkt->dts;
+
+ if (!s->lossless && avctx->debug & FF_DEBUG_QP) {
int qp = FFMAX3(s->qscale[0],
s->qscale[1],
s->qscale[2]);
- int qpw = (s->width + 15) / 16;
- AVBufferRef *qp_table_buf = av_buffer_alloc(qpw);
- if (qp_table_buf) {
- memset(qp_table_buf->data, qp, qpw);
- av_frame_set_qp_table(data, qp_table_buf, 0, FF_QSCALE_TYPE_MPEG1);
- }
- if(avctx->debug & FF_DEBUG_QP)
- av_log(avctx, AV_LOG_DEBUG, "QP: %d\n", qp);
+ av_log(avctx, AV_LOG_DEBUG, "QP: %d\n", qp);
}
goto the_end;
av_log(avctx, AV_LOG_FATAL, "No JPEG data found in image\n");
return AVERROR_INVALIDDATA;
fail:
+ s->seen_sof = 0;
s->got_picture = 0;
return ret;
the_end:
}
if (s->stereo3d) {
- AVStereo3D *stereo = av_stereo3d_create_side_data(data);
+ AVStereo3D *stereo = av_stereo3d_create_side_data(frame);
if (stereo) {
stereo->type = s->stereo3d->type;
stereo->flags = s->stereo3d->flags;
/* Sum size of all parts. */
for (i = 0; i < s->iccnum; i++)
- total_size += s->iccdatalens[i];
+ total_size += s->iccentries[i].length;
- sd = av_frame_new_side_data(data, AV_FRAME_DATA_ICC_PROFILE, total_size);
+ sd = av_frame_new_side_data(frame, AV_FRAME_DATA_ICC_PROFILE, total_size);
if (!sd) {
av_log(s->avctx, AV_LOG_ERROR, "Could not allocate frame side data\n");
return AVERROR(ENOMEM);
/* Reassemble the parts, which are now in-order. */
for (i = 0; i < s->iccnum; i++) {
- memcpy(sd->data + offset, s->iccdata[i], s->iccdatalens[i]);
- offset += s->iccdatalens[i];
+ memcpy(sd->data + offset, s->iccentries[i].data, s->iccentries[i].length);
+ offset += s->iccentries[i].length;
}
}
- av_dict_copy(&((AVFrame *) data)->metadata, s->exif_metadata, 0);
+ av_dict_copy(&frame->metadata, s->exif_metadata, 0);
av_dict_free(&s->exif_metadata);
+ if (avctx->codec_id == AV_CODEC_ID_SMVJPEG) {
+ ret = smv_process_frame(avctx, frame);
+ if (ret < 0) {
+ av_frame_unref(frame);
+ return ret;
+ }
+ }
+ if ((avctx->codec_tag == MKTAG('A', 'V', 'R', 'n') ||
+ avctx->codec_tag == MKTAG('A', 'V', 'D', 'J')) &&
+ avctx->coded_height > s->orig_height) {
+ frame->height = AV_CEIL_RSHIFT(avctx->coded_height, avctx->lowres);
+ frame->crop_top = frame->height - avctx->height;
+ }
+
+ ret = 0;
+
the_end_no_picture:
av_log(avctx, AV_LOG_DEBUG, "decode frame unused %"PTRDIFF_SPECIFIER" bytes\n",
buf_end - buf_ptr);
-// return buf_end - buf_ptr;
- return buf_ptr - buf;
+
+ return ret;
}
+/* mxpeg may call the following function (with a blank MJpegDecodeContext)
+ * even without having called ff_mjpeg_decode_init(). */
av_cold int ff_mjpeg_decode_end(AVCodecContext *avctx)
{
MJpegDecodeContext *s = avctx->priv_data;
} else if (s->picture_ptr)
av_frame_unref(s->picture_ptr);
+ av_packet_free(&s->pkt);
+
+ av_frame_free(&s->smv_frame);
+
av_freep(&s->buffer);
av_freep(&s->stereo3d);
av_freep(&s->ljpeg_buffer);
reset_icc_profile(s);
av_freep(&s->hwaccel_picture_private);
+ av_freep(&s->jls_state);
return 0;
}
static void decode_flush(AVCodecContext *avctx)
{
MJpegDecodeContext *s = avctx->priv_data;
+ s->seen_sof = 0;
s->got_picture = 0;
+
+ s->smv_next_frame = 0;
+ av_frame_unref(s->smv_frame);
}
#if CONFIG_MJPEG_DECODER
.priv_data_size = sizeof(MJpegDecodeContext),
.init = ff_mjpeg_decode_init,
.close = ff_mjpeg_decode_end,
- .decode = ff_mjpeg_decode_frame,
+ .receive_frame = ff_mjpeg_receive_frame,
.flush = decode_flush,
.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*[]) {
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP |
+ FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_SETS_PKT_DTS,
+ .hw_configs = (const AVCodecHWConfigInternal *const []) {
#if CONFIG_MJPEG_NVDEC_HWACCEL
HWACCEL_NVDEC(mjpeg),
#endif
.priv_data_size = sizeof(MJpegDecodeContext),
.init = ff_mjpeg_decode_init,
.close = ff_mjpeg_decode_end,
- .decode = ff_mjpeg_decode_frame,
+ .receive_frame = ff_mjpeg_receive_frame,
.flush = decode_flush,
.capabilities = AV_CODEC_CAP_DR1,
.max_lowres = 3,
- .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP |
+ FF_CODEC_CAP_SETS_PKT_DTS,
+};
+#endif
+
+#if CONFIG_SMVJPEG_DECODER
+AVCodec ff_smvjpeg_decoder = {
+ .name = "smvjpeg",
+ .long_name = NULL_IF_CONFIG_SMALL("SMV JPEG"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_SMVJPEG,
+ .priv_data_size = sizeof(MJpegDecodeContext),
+ .init = ff_mjpeg_decode_init,
+ .close = ff_mjpeg_decode_end,
+ .receive_frame = ff_mjpeg_receive_frame,
+ .flush = decode_flush,
+ .capabilities = AV_CODEC_CAP_DR1,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_EXPORTS_CROPPING |
+ FF_CODEC_CAP_SETS_PKT_DTS | FF_CODEC_CAP_INIT_CLEANUP,
};
#endif
projects / ffmpeg / blobdiff