From 1052578dadf72e400cee5ad2ad5dce899032d362 Mon Sep 17 00:00:00 2001 From: Josh de Kock Date: Tue, 30 Oct 2018 14:38:42 +0000 Subject: [PATCH] fate/api-h264-slice-test: use cleaner error handling Signed-off-by: James Almer --- tests/api/api-h264-slice-test.c | 79 ++++++++++++++++++++------------- 1 file changed, 47 insertions(+), 32 deletions(-) diff --git a/tests/api/api-h264-slice-test.c b/tests/api/api-h264-slice-test.c index e68fa6e252..be03e80049 100644 --- a/tests/api/api-h264-slice-test.c +++ b/tests/api/api-h264-slice-test.c @@ -48,7 +48,7 @@ static int header = 0; -static void decode(AVCodecContext *dec_ctx, AVFrame *frame, +static int decode(AVCodecContext *dec_ctx, AVFrame *frame, AVPacket *pkt) { static uint64_t frame_cnt = 0; @@ -57,20 +57,20 @@ static void decode(AVCodecContext *dec_ctx, AVFrame *frame, ret = avcodec_send_packet(dec_ctx, pkt); if (ret < 0) { fprintf(stderr, "Error sending a packet for decoding: %s\n", av_err2str(ret)); - exit(1); + return ret; } while (ret >= 0) { const AVPixFmtDescriptor *desc; - char *sum; + char sum[AV_HASH_MAX_SIZE * 2 + 1]; struct AVHashContext *hash; ret = avcodec_receive_frame(dec_ctx, frame); if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) { - return; + return 0; } else if (ret < 0) { fprintf(stderr, "Error during decoding: %s\n", av_err2str(ret)); - exit(1); + return ret; } if (!header) { @@ -87,9 +87,10 @@ static void decode(AVCodecContext *dec_ctx, AVFrame *frame, header = 1; } desc = av_pix_fmt_desc_get(dec_ctx->pix_fmt); - av_hash_alloc(&hash, "md5"); + if ((ret = av_hash_alloc(&hash, "md5")) < 0) { + return ret; + } av_hash_init(hash); - sum = av_mallocz(av_hash_get_size(hash) * 2 + 1); for (int i = 0; i < frame->height; i++) av_hash_update(hash, &frame->data[0][i * frame->linesize[0]], frame->width); @@ -104,25 +105,25 @@ static void decode(AVCodecContext *dec_ctx, AVFrame *frame, (frame->width * frame->height + 2 * (frame->height >> desc->log2_chroma_h) * (frame->width >> desc->log2_chroma_w)), sum); frame_cnt += 1; av_hash_freep(&hash); - av_free(sum); } + return 0; } int main(int argc, char **argv) { - const AVCodec *codec; + const AVCodec *codec = NULL; AVCodecContext *c = NULL; - AVFrame *frame; + AVFrame *frame = NULL; unsigned int threads; AVPacket *pkt; - FILE *fd; + FILE *file = NULL; char nal[MAX_SLICES * UINT16_MAX + AV_INPUT_BUFFER_PADDING_SIZE]; - int nals = 0; + int nals = 0, ret = 0; char *p = nal; if (argc < 4) { fprintf(stderr, "Usage: %s \n", argv[0]); - exit(1); + return -1; } if (!(threads = strtoul(argv[1], NULL, 0))) @@ -134,17 +135,20 @@ int main(int argc, char **argv) setmode(fileno(stdout), O_BINARY); #endif - if (!(pkt = av_packet_alloc())) - exit(1); + if (!(pkt = av_packet_alloc())) { + return -1; + } if (!(codec = avcodec_find_decoder(AV_CODEC_ID_H264))) { fprintf(stderr, "Codec not found\n"); - exit(1); + ret = -1; + goto err; } if (!(c = avcodec_alloc_context3(codec))) { fprintf(stderr, "Could not allocate video codec context\n"); - exit(1); + ret = -1; + goto err; } c->width = 352; @@ -154,15 +158,16 @@ int main(int argc, char **argv) c->thread_type = FF_THREAD_SLICE; c->thread_count = threads; - if (avcodec_open2(c, codec, NULL) < 0) { + if ((ret = avcodec_open2(c, codec, NULL)) < 0) { fprintf(stderr, "Could not open codec\n"); - exit(1); + goto err; } #if HAVE_THREADS if (c->active_thread_type != FF_THREAD_SLICE) { fprintf(stderr, "Couldn't activate slice threading: %d\n", c->active_thread_type); - exit(1); + ret = -1; + goto err; } #else fprintf(stderr, "WARN: not using threads, only checking decoding slice NALUs\n"); @@ -170,31 +175,37 @@ int main(int argc, char **argv) if (!(frame = av_frame_alloc())) { fprintf(stderr, "Could not allocate video frame\n"); - exit(1); + ret = -1; + goto err; } - if (!(fd = fopen(argv[2], "rb"))) { + if (!(file = fopen(argv[2], "rb"))) { fprintf(stderr, "Couldn't open NALU file: %s\n", argv[2]); - exit(1); + ret = -1; + goto err; } while(1) { uint16_t size = 0; - size_t ret = fread(&size, 1, sizeof(uint16_t), fd); + size_t ret = fread(&size, 1, sizeof(uint16_t), file); if (ret != sizeof(uint16_t)) break; + size = ntohs(size); - ret = fread(p, 1, size, fd); + ret = fread(p, 1, size, file); if (ret != size) { perror("Couldn't read data"); - exit(1); + goto err; } p += ret; if (++nals >= threads) { + int decret = 0; pkt->data = nal; pkt->size = p - nal; - decode(c, frame, pkt); + if ((decret = decode(c, frame, pkt)) < 0) { + goto err; + } memset(nal, 0, MAX_SLICES * UINT16_MAX + AV_INPUT_BUFFER_PADDING_SIZE); nals = 0; p = nal; @@ -204,15 +215,19 @@ int main(int argc, char **argv) if (nals) { pkt->data = nal; pkt->size = p - nal; - decode(c, frame, pkt); + if ((ret = decode(c, frame, pkt)) < 0) { + goto err; + } } - decode(c, frame, NULL); + ret = decode(c, frame, NULL); - fclose(fd); - avcodec_free_context(&c); +err: + if (file) + fclose(file); av_frame_free(&frame); + avcodec_free_context(&c); av_packet_free(&pkt); - return 0; + return ret; }