#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
+#include "decode.h"
#include "internal.h"
}
if (avctx->bits_per_coded_sample <= 8) {
- buffer_size_t size;
- const uint8_t *pal = av_packet_get_side_data(avpkt,
- AV_PKT_DATA_PALETTE,
- &size);
- if (pal && size == AVPALETTE_SIZE) {
- frame->palette_has_changed = 1;
- memcpy(c->pal, pal, AVPALETTE_SIZE);
- } else if (pal) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
- }
+ frame->palette_has_changed = ff_copy_palette(c->pal, avpkt, avctx);
memcpy (frame->data[1], c->pal, AVPALETTE_SIZE);
}
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
+#include "decode.h"
#include "internal.h"
return ret;
if (s->palette_video) {
- buffer_size_t size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
- if (pal && size == AVPALETTE_SIZE) {
- s->frame->palette_has_changed = 1;
- memcpy(s->pal, pal, AVPALETTE_SIZE);
- } else if (pal) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
- }
+ s->frame->palette_has_changed = ff_copy_palette(s->pal, avpkt, avctx);
}
if ((ret = cinepak_decode(s)) < 0) {
return 0;
}
+
+int ff_copy_palette(void *dst, const AVPacket *src, void *logctx)
+{
+ buffer_size_t size;
+ const void *pal = av_packet_get_side_data(src, AV_PKT_DATA_PALETTE, &size);
+
+ if (pal && size == AVPALETTE_SIZE) {
+ memcpy(dst, pal, AVPALETTE_SIZE);
+ return 1;
+ } else if (pal) {
+ av_log(logctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
+ }
+ return 0;
+}
int ff_attach_decode_data(AVFrame *frame);
+/**
+ * Check whether the side-data of src contains a palette of
+ * size AVPALETTE_SIZE; if so, copy it to dst and return 1;
+ * else return 0.
+ * Also emit an error message upon encountering a palette
+ * with invalid size.
+ */
+int ff_copy_palette(void *dst, const AVPacket *src, void *logctx);
+
/**
* Perform decoder initialization and validation.
* Called when opening the decoder, before the AVCodec.init() call.
#include "libavutil/common.h"
#include "avcodec.h"
#include "bytestream.h"
+#include "decode.h"
#include "internal.h"
typedef struct GDVContext {
PutByteContext *pb = &gdv->pb;
AVFrame *frame = data;
int ret, i;
- buffer_size_t pal_size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &pal_size);
int compression;
unsigned flags;
uint8_t *dst;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
- if (pal && pal_size == AVPALETTE_SIZE)
- memcpy(gdv->pal, pal, AVPALETTE_SIZE);
+ ff_copy_palette(gdv->pal, avpkt, avctx);
if (compression < 2 && bytestream2_get_bytes_left(gb) < 256*3)
return AVERROR_INVALIDDATA;
#include <string.h>
#include "avcodec.h"
+#include "decode.h"
#include "internal.h"
#include "libavutil/internal.h"
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
IdcinContext *s = avctx->priv_data;
- buffer_size_t pal_size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &pal_size);
AVFrame *frame = data;
int ret;
if (idcin_decode_vlcs(s, frame))
return AVERROR_INVALIDDATA;
- if (pal && pal_size == AVPALETTE_SIZE) {
- frame->palette_has_changed = 1;
- memcpy(s->pal, pal, AVPALETTE_SIZE);
- } else if (pal) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", pal_size);
- }
+ frame->palette_has_changed = ff_copy_palette(s->pal, avpkt, avctx);
/* make the palette available on the way out */
memcpy(frame->data[1], s->pal, AVPALETTE_SIZE);
#include "libavutil/common.h"
#include "avcodec.h"
#include "bytestream.h"
+#include "decode.h"
#include "internal.h"
typedef struct SimbiosisIMXContext {
{
SimbiosisIMXContext *imx = avctx->priv_data;
int ret, x, y;
- buffer_size_t pal_size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &pal_size);
AVFrame *frame = imx->frame;
GetByteContext gb;
if ((ret = ff_reget_buffer(avctx, frame, 0)) < 0)
return ret;
- if (pal && pal_size == AVPALETTE_SIZE) {
- memcpy(imx->pal, pal, pal_size);
+ if (ff_copy_palette(imx->pal, avpkt, avctx)) {
frame->palette_has_changed = 1;
frame->key_frame = 1;
} else {
#define BITSTREAM_READER_LE
#include "avcodec.h"
#include "bytestream.h"
+#include "decode.h"
#include "get_bits.h"
#include "hpeldsp.h"
#include "internal.h"
return ret;
if (!s->is_16bpp) {
- buffer_size_t size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
- if (pal && size == AVPALETTE_SIZE) {
- frame->palette_has_changed = 1;
- memcpy(s->pal, pal, AVPALETTE_SIZE);
- } else if (pal) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
- }
+ frame->palette_has_changed = ff_copy_palette(s->pal, avpkt, avctx);
}
switch (frame_format) {
#include "avcodec.h"
#include "bytestream.h"
+#include "decode.h"
#include "internal.h"
#include "libavutil/common.h"
int i, ret;
int header;
int blocksize;
- buffer_size_t pal_size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &pal_size);
bytestream2_init(&ctx->g, avpkt->data, avpkt->size);
}
}
- if (pal && pal_size == AVPALETTE_SIZE) {
+ if (ff_copy_palette(ctx->pal, avpkt, avctx))
frame->palette_has_changed = 1;
- memcpy(ctx->pal, pal, AVPALETTE_SIZE);
- } else if (pal) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", pal_size);
- }
if (ctx->setpal) {
ctx->setpal = 0;
#include <string.h>
#include "avcodec.h"
+#include "decode.h"
#include "internal.h"
#include "msrledec.h"
#include "libavutil/imgutils.h"
return ret;
if (avctx->bits_per_coded_sample > 1 && avctx->bits_per_coded_sample <= 8) {
- buffer_size_t size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
-
- if (pal && size == AVPALETTE_SIZE) {
- s->frame->palette_has_changed = 1;
- memcpy(s->pal, pal, AVPALETTE_SIZE);
- } else if (pal) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
- }
+ s->frame->palette_has_changed = ff_copy_palette(s->pal, avpkt, avctx);
+
/* make the palette available */
memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE);
}
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
+#include "decode.h"
#include "internal.h"
#define PALETTE_COUNT 256
return ret;
if (s->mode_8bit) {
- buffer_size_t size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
-
- if (pal && size == AVPALETTE_SIZE) {
- memcpy(s->pal, pal, AVPALETTE_SIZE);
- s->frame->palette_has_changed = 1;
- } else if (pal) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
- }
+ s->frame->palette_has_changed = ff_copy_palette(s->pal, avpkt, avctx);
}
if (s->mode_8bit)
#include "avcodec.h"
#include "bytestream.h"
+#include "decode.h"
#include "internal.h"
typedef struct QpegContext{
AVFrame * const ref = a->ref;
uint8_t* outdata;
int delta, intra, ret;
- buffer_size_t pal_size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &pal_size);
if (avpkt->size < 0x86) {
av_log(avctx, AV_LOG_ERROR, "Packet is too small\n");
}
/* make the palette available on the way out */
- if (pal && pal_size == AVPALETTE_SIZE) {
- p->palette_has_changed = 1;
- memcpy(a->pal, pal, AVPALETTE_SIZE);
- } else if (pal) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", pal_size);
- }
+ p->palette_has_changed = ff_copy_palette(a->pal, avpkt, avctx);
memcpy(p->data[1], a->pal, AVPALETTE_SIZE);
av_frame_unref(ref);
}
if(has_palette) {
- buffer_size_t size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
-
- if (pal && size == AVPALETTE_SIZE) {
- s->frame->palette_has_changed = 1;
- memcpy(s->pal, pal, AVPALETTE_SIZE);
- } else if (pal) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
- }
+ s->frame->palette_has_changed = ff_copy_palette(s->pal, avpkt, avctx);
/* make the palette available on the way out */
memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE);
}
if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
- buffer_size_t pal_size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE,
- &pal_size);
int ret;
- if (pal && pal_size != AVPALETTE_SIZE) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", pal_size);
- pal = NULL;
- }
-
if (!context->palette)
context->palette = av_buffer_alloc(AVPALETTE_SIZE);
if (!context->palette) {
return ret;
}
- if (pal) {
- memcpy(context->palette->data, pal, AVPALETTE_SIZE);
+ if (ff_copy_palette(context->palette->data, avpkt, avctx)) {
frame->palette_has_changed = 1;
} else if (context->is_nut_pal8) {
int vid_size = avctx->width * avctx->height;
int pal_size = avpkt->size - vid_size;
if (avpkt->size > vid_size && pal_size <= AVPALETTE_SIZE) {
- pal = avpkt->data + vid_size;
+ const uint8_t *pal = avpkt->data + vid_size;
memcpy(context->palette->data, pal, pal_size);
frame->palette_has_changed = 1;
}
#include "avcodec.h"
#include "bytestream.h"
+#include "decode.h"
#include "internal.h"
#define TILE_SIZE 8
/* Palette handling */
if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
- buffer_size_t size;
- const uint8_t *palette = av_packet_get_side_data(avpkt,
- AV_PKT_DATA_PALETTE,
- &size);
- if (palette && size == AVPALETTE_SIZE) {
- frame->palette_has_changed = 1;
- memcpy(ctx->palette, palette, AVPALETTE_SIZE);
- } else if (palette) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
- }
- memcpy (frame->data[1], ctx->palette, AVPALETTE_SIZE);
+ frame->palette_has_changed = ff_copy_palette(ctx->palette, avpkt, avctx);
+ memcpy(frame->data[1], ctx->palette, AVPALETTE_SIZE);
}
// We only return a picture when enough of it is undamaged, this avoids copying nearly broken frames around
if (ctx->valid_pixels < ctx->inflated_size)
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "bytestream.h"
+#include "decode.h"
#include "internal.h"
#define CPAIR 2
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
SmcContext *s = avctx->priv_data;
- buffer_size_t pal_size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &pal_size);
int ret;
int total_blocks = ((s->avctx->width + 3) / 4) * ((s->avctx->height + 3) / 4);
if ((ret = ff_reget_buffer(avctx, s->frame, 0)) < 0)
return ret;
- if (pal && pal_size == AVPALETTE_SIZE) {
- s->frame->palette_has_changed = 1;
- memcpy(s->pal, pal, AVPALETTE_SIZE);
- } else if (pal) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", pal_size);
- }
+ s->frame->palette_has_changed = ff_copy_palette(s->pal, avpkt, avctx);
smc_decode_stream(s);
#include <stdlib.h>
#include "avcodec.h"
+#include "decode.h"
#include "internal.h"
#include "msrledec.h"
int palette_has_changed = 0;
if (c->avctx->pix_fmt == AV_PIX_FMT_PAL8) {
- buffer_size_t size;
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
-
- if (pal && size == AVPALETTE_SIZE) {
- palette_has_changed = 1;
- memcpy(c->pal, pal, AVPALETTE_SIZE);
- } else if (pal) {
- av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
- }
+ palette_has_changed = ff_copy_palette(c->pal, avpkt, avctx);
}
ret = inflateReset(&c->zstream);