static int decode_frame_ilbm(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) { IffContext *s = avctx->priv_data; const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; const uint8_t *buf_end = buf+buf_size; int y, plane; if (avctx->reget_buffer(avctx, &s->frame) < 0){ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return -1; } for(y = 0; y < avctx->height; y++ ) { uint8_t *row = &s->frame.data[0][ y*s->frame.linesize[0] ]; memset(row, 0, avctx->pix_fmt == PIX_FMT_PAL8 ? avctx->width : (avctx->width * 4)); for (plane = 0; plane < avctx->bits_per_coded_sample && buf < buf_end; plane++) { if (avctx->pix_fmt == PIX_FMT_PAL8) { decodeplane8(row, buf, FFMIN(s->planesize, buf_end - buf), avctx->bits_per_coded_sample, plane); } else { // PIX_FMT_BGR32 decodeplane32(row, buf, FFMIN(s->planesize, buf_end - buf), avctx->bits_per_coded_sample, plane); } buf += s->planesize; } } *data_size = sizeof(AVFrame); *(AVFrame*)data = s->frame; return buf_size; }