diff options
Diffstat (limited to 'libavcodec/cljr.c')
-rw-r--r-- | libavcodec/cljr.c | 61 |
1 files changed, 21 insertions, 40 deletions
diff --git a/libavcodec/cljr.c b/libavcodec/cljr.c index b93997f..7d4fd68 100644 --- a/libavcodec/cljr.c +++ b/libavcodec/cljr.c @@ -30,22 +30,6 @@ #include "internal.h" #include "put_bits.h" -typedef struct CLJRContext { - AVClass *avclass; - AVFrame picture; - int dither_type; -} CLJRContext; - -static av_cold int common_init(AVCodecContext *avctx) -{ - CLJRContext * const a = avctx->priv_data; - - avcodec_get_frame_defaults(&a->picture); - avctx->coded_frame = &a->picture; - - return 0; -} - #if CONFIG_CLJR_DECODER static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, @@ -53,15 +37,10 @@ static int decode_frame(AVCodecContext *avctx, { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; - CLJRContext * const a = avctx->priv_data; GetBitContext gb; - AVFrame *picture = data; - AVFrame * const p = &a->picture; + AVFrame * const p = data; int x, y, ret; - if (p->data[0]) - avctx->release_buffer(avctx, p); - if (avctx->height <= 0 || avctx->width <= 0) { av_log(avctx, AV_LOG_ERROR, "Invalid width or height\n"); return AVERROR_INVALIDDATA; @@ -73,8 +52,7 @@ static int decode_frame(AVCodecContext *avctx, return AVERROR_INVALIDDATA; } - 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; } @@ -84,9 +62,9 @@ static int decode_frame(AVCodecContext *avctx, init_get_bits(&gb, buf, buf_size * 8); for (y = 0; y < avctx->height; y++) { - uint8_t *luma = &a->picture.data[0][y * a->picture.linesize[0]]; - uint8_t *cb = &a->picture.data[1][y * a->picture.linesize[1]]; - uint8_t *cr = &a->picture.data[2][y * a->picture.linesize[2]]; + uint8_t *luma = &p->data[0][y * p->linesize[0]]; + uint8_t *cb = &p->data[1][y * p->linesize[1]]; + uint8_t *cr = &p->data[2][y * p->linesize[2]]; for (x = 0; x < avctx->width; x += 4) { luma[3] = (get_bits(&gb, 5)*33) >> 2; luma[2] = (get_bits(&gb, 5)*33) >> 2; @@ -98,7 +76,6 @@ static int decode_frame(AVCodecContext *avctx, } } - *picture = a->picture; *got_frame = 1; return buf_size; @@ -107,15 +84,6 @@ static int decode_frame(AVCodecContext *avctx, static av_cold int decode_init(AVCodecContext *avctx) { avctx->pix_fmt = AV_PIX_FMT_YUV411P; - return common_init(avctx); -} - -static av_cold int decode_end(AVCodecContext *avctx) -{ - CLJRContext *a = avctx->priv_data; - - if (a->picture.data[0]) - avctx->release_buffer(avctx, &a->picture); return 0; } @@ -123,9 +91,7 @@ AVCodec ff_cljr_decoder = { .name = "cljr", .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_CLJR, - .priv_data_size = sizeof(CLJRContext), .init = decode_init, - .close = decode_end, .decode = decode_frame, .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("Cirrus Logic AccuPak"), @@ -133,6 +99,21 @@ AVCodec ff_cljr_decoder = { #endif #if CONFIG_CLJR_ENCODER +typedef struct CLJRContext { + AVClass *avclass; + AVFrame picture; + int dither_type; +} CLJRContext; + +static av_cold int encode_init(AVCodecContext *avctx) +{ + CLJRContext * const a = avctx->priv_data; + + avctx->coded_frame = &a->picture; + + return 0; +} + static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *p, int *got_packet) { @@ -201,7 +182,7 @@ AVCodec ff_cljr_encoder = { .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_CLJR, .priv_data_size = sizeof(CLJRContext), - .init = common_init, + .init = encode_init, .encode2 = encode_frame, .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV411P, AV_PIX_FMT_NONE }, |