On 2013-01-08 15:37:17 +0100, Anton Khirnov wrote:
> ---
> libavcodec/qdrw.c | 36 ++++++------------------------------
> 1 file changed, 6 insertions(+), 30 deletions(-)
>
> diff --git a/libavcodec/qdrw.c b/libavcodec/qdrw.c
> index 78ceca6..0dc72d0 100644
> --- a/libavcodec/qdrw.c
> +++ b/libavcodec/qdrw.c
> @@ -29,11 +29,6 @@
> #include "avcodec.h"
> #include "internal.h"
>
> -typedef struct QdrawContext {
> - AVCodecContext *avctx;
> - AVFrame pic;
> -} QdrawContext;
> -
> static int decode_frame(AVCodecContext *avctx,
> void *data, int *got_frame,
> AVPacket *avpkt)
> @@ -41,26 +36,21 @@ static int decode_frame(AVCodecContext *avctx,
> const uint8_t *buf = avpkt->data;
> const uint8_t *buf_end = avpkt->data + avpkt->size;
> int buf_size = avpkt->size;
> - QdrawContext * const a = avctx->priv_data;
> - AVFrame * const p = &a->pic;
> + AVFrame * const p = data;
> uint8_t* outdata;
> int colors;
> int i, ret;
> uint32_t *pal;
> int r, g, b;
>
> - if (p->data[0])
> - avctx->release_buffer(avctx, p);
> -
> - p->reference = 0;
> - if ((ret = ff_get_buffer(avctx, p)) < 0) {
> + if ((ret = ff_get_buffer(avctx, p, 0)) < 0) {
> av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
> return ret;
> }
> p->pict_type = AV_PICTURE_TYPE_I;
> p->key_frame = 1;
>
> - outdata = a->pic.data[0];
> + outdata = p->data[0];
>
> if (buf_end - buf < 0x68 + 4)
> return AVERROR_INVALIDDATA;
> @@ -118,14 +108,14 @@ static int decode_frame(AVCodecContext *avctx,
> code = *buf++;
> if (code & 0x80 ) { /* run */
> pix = *buf++;
> - if ((out + (257 - code)) > (outdata + a->pic.linesize[0]))
> + if ((out + (257 - code)) > (outdata + p->linesize[0]))
> break;
> memset(out, pix, 257 - code);
> out += 257 - code;
> tsize += 257 - code;
> left -= 2;
> } else { /* copy */
> - if ((out + code) > (outdata + a->pic.linesize[0]))
> + if ((out + code) > (outdata + p->linesize[0]))
> break;
> if (buf_end - buf < code + 1)
> return AVERROR_INVALIDDATA;
> @@ -137,11 +127,10 @@ static int decode_frame(AVCodecContext *avctx,
> }
> }
> buf = next;
> - outdata += a->pic.linesize[0];
> + outdata += p->linesize[0];
> }
>
> *got_frame = 1;
> - *(AVFrame*)data = a->pic;
>
> return buf_size;
> }
> @@ -153,24 +142,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
> return 0;
> }
>
> -static av_cold int decode_end(AVCodecContext *avctx)
> -{
> - QdrawContext * const a = avctx->priv_data;
> - AVFrame *pic = &a->pic;
> -
> - if (pic->data[0])
> - avctx->release_buffer(avctx, pic);
> -
> - return 0;
> -}
> -
> AVCodec ff_qdraw_decoder = {
> .name = "qdraw",
> .type = AVMEDIA_TYPE_VIDEO,
> .id = AV_CODEC_ID_QDRAW,
> - .priv_data_size = sizeof(QdrawContext),
> .init = decode_init,
> - .close = decode_end,
> .decode = decode_frame,
> .capabilities = CODEC_CAP_DR1,
> .long_name = NULL_IF_CONFIG_SMALL("Apple QuickDraw"),
ok
Janne
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