typedef struct QtrleEncContext {
AVCodecContext *avctx;
- AVFrame frame;
int pixel_size;
AVPicture previous_frame;
unsigned int max_buf_size;
uint8_t* skip_table;
} QtrleEncContext;
+static av_cold int qtrle_encode_end(AVCodecContext *avctx)
+{
+ QtrleEncContext *s = avctx->priv_data;
+
+ av_frame_free(&avctx->coded_frame);
+
+ avpicture_free(&s->previous_frame);
+ av_free(s->rlecode_table);
+ av_free(s->length_table);
+ av_free(s->skip_table);
+ return 0;
+}
+
static av_cold int qtrle_encode_init(AVCodecContext *avctx)
{
QtrleEncContext *s = avctx->priv_data;
+ 15 /* header + footer */
+ s->avctx->height*2 /* skip code+rle end */
+ s->avctx->width/MAX_RLE_BULK + 1 /* rle codes */;
- avctx->coded_frame = &s->frame;
+
+ avctx->coded_frame = av_frame_alloc();
+ if (!avctx->coded_frame) {
+ qtrle_encode_end(avctx);
+ return AVERROR(ENOMEM);
+ }
+
return 0;
}
for (i = width - 1; i >= 0; i--) {
- if (!s->frame.key_frame && !memcmp(this_line, prev_line, s->pixel_size))
+ if (!s->avctx->coded_frame->key_frame && !memcmp(this_line, prev_line, s->pixel_size))
skipcount = FFMIN(skipcount + 1, MAX_RLE_SKIP);
else
skipcount = 0;
int end_line = s->avctx->height;
uint8_t *orig_buf = buf;
- if (!s->frame.key_frame) {
+ if (!s->avctx->coded_frame->key_frame) {
unsigned line_size = s->avctx->width * s->pixel_size;
for (start_line = 0; start_line < s->avctx->height; start_line++)
if (memcmp(p->data[0] + start_line*p->linesize[0],
const AVFrame *pict, int *got_packet)
{
QtrleEncContext * const s = avctx->priv_data;
- AVFrame * const p = &s->frame;
+ AVFrame * const p = avctx->coded_frame;
int ret;
- *p = *pict;
-
if ((ret = ff_alloc_packet(pkt, s->max_buf_size)) < 0) {
/* Upper bound check for compressed data */
av_log(avctx, AV_LOG_ERROR, "Error getting output packet of size %d.\n", s->max_buf_size);
pkt->size = encode_frame(s, pict, pkt->data);
/* save the current frame */
- av_picture_copy(&s->previous_frame, (AVPicture *)p, avctx->pix_fmt, avctx->width, avctx->height);
+ av_picture_copy(&s->previous_frame, (const AVPicture *)pict,
+ avctx->pix_fmt, avctx->width, avctx->height);
if (p->key_frame)
pkt->flags |= AV_PKT_FLAG_KEY;
return 0;
}
-static av_cold int qtrle_encode_end(AVCodecContext *avctx)
-{
- QtrleEncContext *s = avctx->priv_data;
-
- avpicture_free(&s->previous_frame);
- av_free(s->rlecode_table);
- av_free(s->length_table);
- av_free(s->skip_table);
- return 0;
-}
-
AVCodec ff_qtrle_encoder = {
.name = "qtrle",
.long_name = NULL_IF_CONFIG_SMALL("QuickTime Animation (RLE) video"),