X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Ftarga.c;h=f077c03d65ea8f362ece14ff0938cb2c55267cf1;hb=e7cd53bf662a93330810981f1d057bdf2ead669e;hp=96d18300ddaa6f108092fdb74752e4e63d0bd9b2;hpb=716d413c13981da15323c7a3821860536eefdbbb;p=ffmpeg diff --git a/libavcodec/targa.c b/libavcodec/targa.c index 96d18300dda..f077c03d65e 100644 --- a/libavcodec/targa.c +++ b/libavcodec/targa.c @@ -23,10 +23,10 @@ #include "libavutil/imgutils.h" #include "avcodec.h" #include "bytestream.h" +#include "internal.h" #include "targa.h" typedef struct TargaContext { - AVFrame picture; GetByteContext gb; int color_type; @@ -94,15 +94,14 @@ static int targa_decode_rle(AVCodecContext *avctx, TargaContext *s, } static int decode_frame(AVCodecContext *avctx, - void *data, int *data_size, + void *data, int *got_frame, AVPacket *avpkt) { TargaContext * const s = avctx->priv_data; - AVFrame *picture = data; - AVFrame * const p = &s->picture; + AVFrame * const p = data; uint8_t *dst; int stride; - int idlen, compr, y, w, h, bpp, flags; + int idlen, compr, y, w, h, bpp, flags, ret; int first_clr, colors, csize; bytestream2_init(&s->gb, avpkt->data, avpkt->size); @@ -140,19 +139,15 @@ static int decode_frame(AVCodecContext *avctx, break; default: av_log(avctx, AV_LOG_ERROR, "Bit depth %i is not supported\n", bpp); - return -1; + return AVERROR_INVALIDDATA; } - if(s->picture.data[0]) - avctx->release_buffer(avctx, &s->picture); + if ((ret = ff_set_dimensions(avctx, w, h)) < 0) + return ret; - if(av_image_check_size(w, h, 0, avctx)) - return -1; - if(w != avctx->width || h != avctx->height) - avcodec_set_dimensions(avctx, w, h); - if(avctx->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 -1; + return ret; } if(flags & 0x20){ dst = p->data[0]; @@ -166,7 +161,7 @@ static int decode_frame(AVCodecContext *avctx, int pal_size, pal_sample_size; if((colors + first_clr) > 256){ av_log(avctx, AV_LOG_ERROR, "Incorrect palette: %i colors with offset %i\n", colors, first_clr); - return -1; + return AVERROR_INVALIDDATA; } switch (csize) { case 24: pal_sample_size = 3; break; @@ -174,7 +169,7 @@ static int decode_frame(AVCodecContext *avctx, case 15: pal_sample_size = 2; break; default: av_log(avctx, AV_LOG_ERROR, "Palette entry size %i bits is not supported\n", csize); - return -1; + return AVERROR_INVALIDDATA; } pal_size = colors * pal_sample_size; if(avctx->pix_fmt != AV_PIX_FMT_PAL8)//should not occur but skip palette anyway @@ -231,38 +226,17 @@ static int decode_frame(AVCodecContext *avctx, } } - *picture = s->picture; - *data_size = sizeof(AVPicture); + *got_frame = 1; return avpkt->size; } -static av_cold int targa_init(AVCodecContext *avctx){ - TargaContext *s = avctx->priv_data; - - avcodec_get_frame_defaults(&s->picture); - avctx->coded_frame = &s->picture; - - return 0; -} - -static av_cold int targa_end(AVCodecContext *avctx){ - TargaContext *s = avctx->priv_data; - - if(s->picture.data[0]) - avctx->release_buffer(avctx, &s->picture); - - return 0; -} - AVCodec ff_targa_decoder = { .name = "targa", + .long_name = NULL_IF_CONFIG_SMALL("Truevision Targa image"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_TARGA, .priv_data_size = sizeof(TargaContext), - .init = targa_init, - .close = targa_end, .decode = decode_frame, .capabilities = CODEC_CAP_DR1, - .long_name = NULL_IF_CONFIG_SMALL("Truevision Targa image"), };