mirror of https://git.ffmpeg.org/ffmpeg.git
ac3dec: update checked AV_EF flags.
A user who wishes to use default error concealment cannot set the AV_EF_CRCCHECK flag because not every CRC in every format is a reliable indicator of bitstream damage. In some formats crcrs can be nonsensical in absence of any damage. We thus add the AV_EF_CAREFUL flag in addition to the AV_EF_CRCCHECK flag to allow a user to enable this reliable CRC check without having to enable all CRC checks in all formats. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -1371,7 +1371,7 @@ static int ac3_decode_frame(AVCodecContext * avctx, void *data,
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if (s->frame_size > buf_size) {
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av_log(avctx, AV_LOG_ERROR, "incomplete frame\n");
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err = AAC_AC3_PARSE_ERROR_FRAME_SIZE;
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} else if (avctx->err_recognition & AV_EF_CRCCHECK) {
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} else if (avctx->err_recognition & (AV_EF_CRCCHECK|AV_EF_CAREFUL)) {
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/* check for crc mismatch */
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if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, &buf[2],
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s->frame_size - 2)) {
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