diff options
Diffstat (limited to 'libavcodec/vqavideo.c')
| -rw-r--r-- | libavcodec/vqavideo.c | 44 |
1 files changed, 17 insertions, 27 deletions
diff --git a/libavcodec/vqavideo.c b/libavcodec/vqavideo.c index 43b3aaf57c..6510582cd6 100644 --- a/libavcodec/vqavideo.c +++ b/libavcodec/vqavideo.c @@ -94,7 +94,6 @@ typedef struct VqaContext { AVCodecContext *avctx; - AVFrame frame; GetByteContext gb; uint32_t palette[PALETTE_COUNT]; @@ -191,9 +190,6 @@ static av_cold int vqa_decode_init(AVCodecContext *avctx) } s->next_codebook_buffer_index = 0; - avcodec_get_frame_defaults(&s->frame); - s->frame.data[0] = NULL; - return 0; fail: av_freep(&s->codebook); @@ -307,7 +303,7 @@ static int decode_format80(VqaContext *s, int src_size, return 0; // let's display what we decoded anyway } -static int vqa_decode_chunk(VqaContext *s) +static int vqa_decode_chunk(VqaContext *s, AVFrame *frame) { unsigned int chunk_type; unsigned int chunk_size; @@ -476,7 +472,7 @@ static int vqa_decode_chunk(VqaContext *s) index_shift = 3; for (y = 0; y < s->height; y += s->vector_height) { for (x = 0; x < s->width; x += 4, lobytes++, hibytes++) { - pixel_ptr = y * s->frame.linesize[0] + x; + pixel_ptr = y * frame->linesize[0] + x; /* get the vector index, the method for which varies according to * VQA file version */ @@ -491,11 +487,11 @@ static int vqa_decode_chunk(VqaContext *s) /* uniform color fill - a quick hack */ if (hibyte == 0xFF) { while (lines--) { - s->frame.data[0][pixel_ptr + 0] = 255 - lobyte; - s->frame.data[0][pixel_ptr + 1] = 255 - lobyte; - s->frame.data[0][pixel_ptr + 2] = 255 - lobyte; - s->frame.data[0][pixel_ptr + 3] = 255 - lobyte; - pixel_ptr += s->frame.linesize[0]; + frame->data[0][pixel_ptr + 0] = 255 - lobyte; + frame->data[0][pixel_ptr + 1] = 255 - lobyte; + frame->data[0][pixel_ptr + 2] = 255 - lobyte; + frame->data[0][pixel_ptr + 3] = 255 - lobyte; + pixel_ptr += frame->linesize[0]; } lines=0; } @@ -516,11 +512,11 @@ static int vqa_decode_chunk(VqaContext *s) } while (lines--) { - s->frame.data[0][pixel_ptr + 0] = s->codebook[vector_index++]; - s->frame.data[0][pixel_ptr + 1] = s->codebook[vector_index++]; - s->frame.data[0][pixel_ptr + 2] = s->codebook[vector_index++]; - s->frame.data[0][pixel_ptr + 3] = s->codebook[vector_index++]; - pixel_ptr += s->frame.linesize[0]; + frame->data[0][pixel_ptr + 0] = s->codebook[vector_index++]; + frame->data[0][pixel_ptr + 1] = s->codebook[vector_index++]; + frame->data[0][pixel_ptr + 2] = s->codebook[vector_index++]; + frame->data[0][pixel_ptr + 3] = s->codebook[vector_index++]; + pixel_ptr += frame->linesize[0]; } } } @@ -599,26 +595,23 @@ static int vqa_decode_frame(AVCodecContext *avctx, AVPacket *avpkt) { VqaContext *s = avctx->priv_data; + AVFrame *frame = data; int res; - if (s->frame.data[0]) - avctx->release_buffer(avctx, &s->frame); - - if ((res = ff_get_buffer(avctx, &s->frame)) < 0) { + if ((res = ff_get_buffer(avctx, frame, 0)) < 0) { av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return res; } bytestream2_init(&s->gb, avpkt->data, avpkt->size); - if ((res = vqa_decode_chunk(s)) < 0) + if ((res = vqa_decode_chunk(s, frame)) < 0) return res; /* make the palette available on the way out */ - memcpy(s->frame.data[1], s->palette, PALETTE_COUNT * 4); - s->frame.palette_has_changed = 1; + memcpy(frame->data[1], s->palette, PALETTE_COUNT * 4); + frame->palette_has_changed = 1; *got_frame = 1; - *(AVFrame*)data = s->frame; /* report that the buffer was completely consumed */ return avpkt->size; @@ -632,9 +625,6 @@ static av_cold int vqa_decode_end(AVCodecContext *avctx) av_freep(&s->next_codebook_buffer); av_freep(&s->decode_buffer); - if (s->frame.data[0]) - avctx->release_buffer(avctx, &s->frame); - return 0; } |