#include "avcodec.h"
#include "bytestream.h"
+#include "internal.h"
typedef struct QtrleContext {
AVCodecContext *avctx;
- AVFrame frame;
+ AVFrame *frame;
GetByteContext g;
uint32_t pal[256];
} QtrleContext;
-#define CHECK_PIXEL_PTR(n) \
- if ((pixel_ptr + n > pixel_limit) || (pixel_ptr + n < 0)) { \
- av_log (s->avctx, AV_LOG_INFO, "Problem: pixel_ptr = %d, pixel_limit = %d\n", \
- pixel_ptr + n, pixel_limit); \
- return; \
- } \
+#define CHECK_PIXEL_PTR(n) \
+ if ((pixel_ptr + n > pixel_limit) || (pixel_ptr + n < 0)) { \
+ av_log (s->avctx, AV_LOG_ERROR, "Problem: pixel_ptr = %d, pixel_limit = %d\n",\
+ pixel_ptr + n, pixel_limit); \
+ return; \
+ } \
static void qtrle_decode_1bpp(QtrleContext *s, int row_ptr, int lines_to_change)
{
int rle_code;
- int pixel_ptr = 0;
- int row_inc = s->frame.linesize[0];
+ int pixel_ptr;
+ int row_inc = s->frame->linesize[0];
unsigned char pi0, pi1; /* 2 8-pixel values */
- unsigned char *rgb = s->frame.data[0];
- int pixel_limit = s->frame.linesize[0] * s->avctx->height;
+ unsigned char *rgb = s->frame->data[0];
+ int pixel_limit = s->frame->linesize[0] * s->avctx->height;
int skip;
+ row_ptr -= row_inc;
+ pixel_ptr = row_ptr;
+ lines_to_change++;
while (lines_to_change) {
skip = bytestream2_get_byte(&s->g);
rle_code = (signed char)bytestream2_get_byte(&s->g);
{
int rle_code, i;
int pixel_ptr;
- int row_inc = s->frame.linesize[0];
+ int row_inc = s->frame->linesize[0];
unsigned char pi[16]; /* 16 palette indices */
- unsigned char *rgb = s->frame.data[0];
- int pixel_limit = s->frame.linesize[0] * s->avctx->height;
+ unsigned char *rgb = s->frame->data[0];
+ int pixel_limit = s->frame->linesize[0] * s->avctx->height;
int num_pixels = (bpp == 4) ? 8 : 16;
while (lines_to_change--) {
pixel_ptr = row_ptr + (num_pixels * (bytestream2_get_byte(&s->g) - 1));
+ CHECK_PIXEL_PTR(0);
while ((rle_code = (signed char)bytestream2_get_byte(&s->g)) != -1) {
if (rle_code == 0) {
{
int rle_code;
int pixel_ptr;
- int row_inc = s->frame.linesize[0];
+ int row_inc = s->frame->linesize[0];
unsigned char pi1, pi2, pi3, pi4; /* 4 palette indexes */
- unsigned char *rgb = s->frame.data[0];
- int pixel_limit = s->frame.linesize[0] * s->avctx->height;
+ unsigned char *rgb = s->frame->data[0];
+ int pixel_limit = s->frame->linesize[0] * s->avctx->height;
while (lines_to_change--) {
pixel_ptr = row_ptr + (4 * (bytestream2_get_byte(&s->g) - 1));
+ CHECK_PIXEL_PTR(0);
while ((rle_code = (signed char)bytestream2_get_byte(&s->g)) != -1) {
if (rle_code == 0) {
{
int rle_code;
int pixel_ptr;
- int row_inc = s->frame.linesize[0];
+ int row_inc = s->frame->linesize[0];
unsigned short rgb16;
- unsigned char *rgb = s->frame.data[0];
- int pixel_limit = s->frame.linesize[0] * s->avctx->height;
+ unsigned char *rgb = s->frame->data[0];
+ int pixel_limit = s->frame->linesize[0] * s->avctx->height;
while (lines_to_change--) {
pixel_ptr = row_ptr + (bytestream2_get_byte(&s->g) - 1) * 2;
+ CHECK_PIXEL_PTR(0);
while ((rle_code = (signed char)bytestream2_get_byte(&s->g)) != -1) {
if (rle_code == 0) {
{
int rle_code;
int pixel_ptr;
- int row_inc = s->frame.linesize[0];
+ int row_inc = s->frame->linesize[0];
unsigned char r, g, b;
- unsigned char *rgb = s->frame.data[0];
- int pixel_limit = s->frame.linesize[0] * s->avctx->height;
+ unsigned char *rgb = s->frame->data[0];
+ int pixel_limit = s->frame->linesize[0] * s->avctx->height;
while (lines_to_change--) {
pixel_ptr = row_ptr + (bytestream2_get_byte(&s->g) - 1) * 3;
+ CHECK_PIXEL_PTR(0);
while ((rle_code = (signed char)bytestream2_get_byte(&s->g)) != -1) {
if (rle_code == 0) {
{
int rle_code;
int pixel_ptr;
- int row_inc = s->frame.linesize[0];
+ int row_inc = s->frame->linesize[0];
unsigned int argb;
- unsigned char *rgb = s->frame.data[0];
- int pixel_limit = s->frame.linesize[0] * s->avctx->height;
+ unsigned char *rgb = s->frame->data[0];
+ int pixel_limit = s->frame->linesize[0] * s->avctx->height;
while (lines_to_change--) {
pixel_ptr = row_ptr + (bytestream2_get_byte(&s->g) - 1) * 4;
+ CHECK_PIXEL_PTR(0);
while ((rle_code = (signed char)bytestream2_get_byte(&s->g)) != -1) {
if (rle_code == 0) {
return AVERROR_INVALIDDATA;
}
- s->frame.data[0] = NULL;
+ s->frame = av_frame_alloc();
+ if (!s->frame)
+ return AVERROR(ENOMEM);
return 0;
}
int header, start_line;
int height, row_ptr;
int has_palette = 0;
+ int ret;
bytestream2_init(&s->g, avpkt->data, avpkt->size);
- s->frame.reference = 1;
- s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE |
- FF_BUFFER_HINTS_REUSABLE | FF_BUFFER_HINTS_READABLE;
- if (avctx->reget_buffer(avctx, &s->frame)) {
+ if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) {
av_log (s->avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
- return -1;
+ return ret;
}
/* check if this frame is even supposed to change */
start_line = 0;
height = s->avctx->height;
}
- row_ptr = s->frame.linesize[0] * start_line;
+ row_ptr = s->frame->linesize[0] * start_line;
switch (avctx->bits_per_coded_sample) {
case 1:
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (pal) {
- s->frame.palette_has_changed = 1;
+ s->frame->palette_has_changed = 1;
memcpy(s->pal, pal, AVPALETTE_SIZE);
}
/* make the palette available on the way out */
- memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE);
+ memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE);
}
done:
+ if ((ret = av_frame_ref(data, s->frame)) < 0)
+ return ret;
*got_frame = 1;
- *(AVFrame*)data = s->frame;
/* always report that the buffer was completely consumed */
return avpkt->size;
{
QtrleContext *s = avctx->priv_data;
- if (s->frame.data[0])
- avctx->release_buffer(avctx, &s->frame);
+ av_frame_free(&s->frame);
return 0;
}
AVCodec ff_qtrle_decoder = {
.name = "qtrle",
+ .long_name = NULL_IF_CONFIG_SMALL("QuickTime Animation (RLE) video"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_QTRLE,
.priv_data_size = sizeof(QtrleContext),
.close = qtrle_decode_end,
.decode = qtrle_decode_frame,
.capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("QuickTime Animation (RLE) video"),
};