mirror of https://git.ffmpeg.org/ffmpeg.git
tscc: employ more meaningful return values
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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parent
7c71f8e0ec
commit
1aeb87fa07
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@ -77,22 +77,22 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
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CamtasiaContext * const c = avctx->priv_data;
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const unsigned char *encoded = buf;
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int zret; // Zlib return code
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int len = buf_size;
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int ret, len = buf_size;
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if(c->pic.data[0])
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avctx->release_buffer(avctx, &c->pic);
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c->pic.reference = 3;
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c->pic.buffer_hints = FF_BUFFER_HINTS_VALID;
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if(avctx->get_buffer(avctx, &c->pic) < 0){
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if((ret = avctx->get_buffer(avctx, &c->pic)) < 0){
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av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
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return -1;
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return ret;
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}
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zret = inflateReset(&c->zstream);
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if (zret != Z_OK) {
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av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
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return -1;
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return AVERROR(EINVAL);
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}
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c->zstream.next_in = encoded;
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c->zstream.avail_in = len;
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@ -102,7 +102,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
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// Z_DATA_ERROR means empty picture
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if ((zret != Z_OK) && (zret != Z_STREAM_END) && (zret != Z_DATA_ERROR)) {
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av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", zret);
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return -1;
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return AVERROR(EINVAL);
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}
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@ -157,7 +157,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
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break;
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case 32: avctx->pix_fmt = PIX_FMT_RGB32; break;
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default: av_log(avctx, AV_LOG_ERROR, "Camtasia error: unknown depth %i bpp\n", avctx->bits_per_coded_sample);
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return -1;
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return AVERROR_PATCHWELCOME;
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}
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c->bpp = avctx->bits_per_coded_sample;
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// buffer size for RLE 'best' case when 2-byte code precedes each pixel and there may be padding after it too
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@ -167,7 +167,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
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if (c->decomp_size) {
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if ((c->decomp_buf = av_malloc(c->decomp_size)) == NULL) {
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av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
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return 1;
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return AVERROR(ENOMEM);
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}
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}
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@ -177,7 +177,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
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zret = inflateInit(&c->zstream);
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if (zret != Z_OK) {
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av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret);
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return 1;
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return AVERROR(ENOMEM);
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}
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return 0;
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