libavformat: Add H264 API test

Result differs in pkt_duration and time_base.den for some reason.
Right now it tests only one example (adjusted to match the output).
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/Makefile

@@ -547,6 +547,7 @@ TESTPROGS = seek                                                        \
             url                                                         \
 
 TESTPROGS-$(CONFIG_NETWORK)              += noproxy
+TESTPROGS-yes                            += api-h264
 TESTPROGS-$(CONFIG_FFRTMPCRYPT_PROTOCOL) += rtmpdh
 
 TOOLS     = aviocat                                                     \

libavformat/api-h264-test.c

+/*
+ * Copyright (c) 2015 Ludmila Glinskih
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * H264 codec test.
+ */
+
+#include "libavutil/adler32.h"
+#include "libavcodec/avcodec.h"
+#include "libavformat/avformat.h"
+#include "libavutil/imgutils.h"
+
+static int video_decode_example(const char *input_filename)
+{
+    AVCodec *codec = NULL;
+    AVCodecContext *origin_ctx = NULL, *ctx= NULL;
+    AVFrame *fr = NULL;
+    uint8_t *byte_buffer = NULL;
+    AVPacket pkt;
+    AVFormatContext *fmt_ctx = NULL;
+    int number_of_written_bytes;
+    int video_stream;
+    int get_frame = 0;
+    int byte_buffer_size;
+    int i = 0;
+    int result;
+
+    result = avformat_open_input(&fmt_ctx, input_filename, NULL, NULL);
+    if (result < 0) {
+        av_log(NULL, AV_LOG_ERROR, "Can't open file\n");
+        return result;
+    }
+
+    result = avformat_find_stream_info(fmt_ctx, NULL);
+    if (result < 0) {
+        av_log(NULL, AV_LOG_ERROR, "Can't get stream info\n");
+        return result;
+    }
+
+    video_stream = av_find_best_stream(fmt_ctx, AVMEDIA_TYPE_VIDEO, -1, -1, NULL, 0);
+    if (video_stream < 0) {
+      av_log(NULL, AV_LOG_ERROR, "Can't find video stream in input file\n");
+      return -1;
+    }
+
+    origin_ctx = fmt_ctx->streams[video_stream]->codec;
+
+    codec = avcodec_find_decoder(origin_ctx->codec_id);
+    if (!codec) {
+        av_log(NULL, AV_LOG_ERROR, "Can't find decoder\n");
+        return -1;
+    }
+
+    ctx = avcodec_alloc_context3(codec);
+    if (!ctx) {
+        av_log(NULL, AV_LOG_ERROR, "Can't allocate decoder context\n");
+        return AVERROR(ENOMEM);
+    }
+
+    result = avcodec_copy_context(ctx, origin_ctx);
+    if (result) {
+        av_log(NULL, AV_LOG_ERROR, "Can't copy decoder context\n");
+        return result;
+    }
+
+    result = avcodec_open2(ctx, codec, NULL);
+    if (result < 0) {
+        av_log(ctx, AV_LOG_ERROR, "Can't open decoder\n");
+        return result;
+    }
+
+    fr = av_frame_alloc();
+    if (!fr) {
+        av_log(NULL, AV_LOG_ERROR, "Can't allocate frame\n");
+        return AVERROR(ENOMEM);
+    }
+
+    byte_buffer_size = av_image_get_buffer_size(ctx->pix_fmt, ctx->width, ctx->height, 16);
+    byte_buffer = av_malloc(byte_buffer_size);
+    if (!byte_buffer) {
+        av_log(NULL, AV_LOG_ERROR, "Can't allocate buffer\n");
+        return AVERROR(ENOMEM);
+    }
+
+    printf("#tb %d: %d/%d\n", video_stream, fmt_ctx->streams[video_stream]->time_base.num, fmt_ctx->streams[video_stream]->time_base.den);
+    i = 0;
+    av_init_packet(&pkt);
+    while (av_read_frame(fmt_ctx, &pkt) >= 0) {
+        if (pkt.stream_index == video_stream) {
+            get_frame = 0;
+            if (pkt.pts == AV_NOPTS_VALUE)
+                pkt.pts = pkt.dts = i;
+            result = avcodec_decode_video2(ctx, fr, &get_frame, &pkt);
+            if (result < 0) {
+                av_log(NULL, AV_LOG_ERROR, "Error decoding frame\n");
+                return result;
+            }
+            if (get_frame) {
+                number_of_written_bytes = av_image_copy_to_buffer(byte_buffer, byte_buffer_size,
+                                        (const uint8_t* const *)fr->data, (const int*) fr->linesize,
+                                        ctx->pix_fmt, ctx->width, ctx->height, 1);
+                if (number_of_written_bytes < 0) {
+                    av_log(NULL, AV_LOG_ERROR, "Can't copy image to buffer\n");
+                    return number_of_written_bytes;
+                }
+                printf("%d, %10"PRId64", %10"PRId64", %8"PRId64", %8d, 0x%08lx\n", video_stream,
+                        fr->pkt_pts, fr->pkt_dts, av_frame_get_pkt_duration(fr),
+                        number_of_written_bytes, av_adler32_update(0, (const uint8_t*)byte_buffer, number_of_written_bytes));
+            }
+            av_free_packet(&pkt);
+            av_init_packet(&pkt);
+        }
+        i++;
+    }
+    pkt.data = NULL;
+    pkt.size = 0;
+    if (pkt.pts == AV_NOPTS_VALUE)
+        pkt.pts = pkt.dts = i;
+    do {
+        get_frame = 0;
+        result =  avcodec_decode_video2(ctx, fr, &get_frame, &pkt);
+        if (result < 0) {
+            av_log(NULL, AV_LOG_ERROR, "Error decoding frame\n");
+            return result;
+        }
+        if (get_frame) {
+            number_of_written_bytes = av_image_copy_to_buffer(byte_buffer, byte_buffer_size,
+                                    (const uint8_t* const *)fr->data, (const int*) fr->linesize,
+                                    ctx->pix_fmt, ctx->width, ctx->height, 1);
+            if (number_of_written_bytes < 0) {
+                av_log(NULL, AV_LOG_ERROR, "Can't copy image to buffer\n");
+                return number_of_written_bytes;
+            }
+            printf("%d, %10"PRId64", %10"PRId64", %8"PRId64", %8d, 0x%08lx\n", video_stream,
+                    fr->pkt_pts, fr->pkt_dts, av_frame_get_pkt_duration(fr),
+                    number_of_written_bytes, av_adler32_update(0, (const uint8_t*)byte_buffer, number_of_written_bytes));
+        }
+        i++;
+    } while (get_frame);
+
+    av_free_packet(&pkt);
+    av_frame_free(&fr);
+    avcodec_close(ctx);
+    avformat_close_input(&fmt_ctx);
+    avcodec_free_context(&ctx);
+    av_freep(&byte_buffer);
+    return 0;
+}
+
+int main(int argc, char **argv)
+{
+    if (argc < 2)
+    {
+        av_log(NULL, AV_LOG_ERROR, "Incorrect input\n");
+        return 1;
+    }
+
+    av_register_all();
+
+    if (video_decode_example(argv[1]) != 0)
+        return 1;
+
+    return 0;
+}

tests/fate/libavformat.mak

@@ -14,5 +14,9 @@ FATE_LIBAVFORMAT-yes += fate-url
 fate-url: libavformat/url-test$(EXESUF)
 fate-url: CMD = run libavformat/url-test
 
+FATE_SAMPLES_AVCONV-$(call DEMDEC, H264, H264) += fate-api-h264
+fate-api-h264: libavformat/api-h264-test$(EXESUF)
+fate-api-h264: CMD = run libavformat/api-h264-test $(TARGET_SAMPLES)/h264-conformance/SVA_NL2_E.264
+
 FATE-$(CONFIG_AVFORMAT) += $(FATE_LIBAVFORMAT-yes)
 fate-libavformat: $(FATE_LIBAVFORMAT)

tests/ref/fate/api-h264

+#tb 0: 1/1200000
+0,          0,          0,    48000,    38016, 0xb9ac19bd
+0,          1,          1,    48000,    38016, 0x53c91566
+0,          2,          2,    48000,    38016, 0xb5bd089f
+0,          3,          3,    48000,    38016, 0xb81320bb
+0,          4,          4,    48000,    38016, 0x7c793dce
+0,          5,          5,    48000,    38016, 0x3d605b31
+0,          6,          6,    48000,    38016, 0x40216830
+0,          7,          7,    48000,    38016, 0x11c48f52
+0,          8,          8,    48000,    38016, 0x0f37a013
+0,          9,          9,    48000,    38016, 0xb06cb753
+0,         10,         10,    48000,    38016, 0x6233ca83
+0,         11,         11,    48000,    38016, 0x02b6d5a1
+0,         12,         12,    48000,    38016, 0xf76cc409
+0,         13,         13,    48000,    38016, 0xd19fa5c3
+0,         14,         14,    48000,    38016, 0x8d1c8a02
+0,         15,         15,    48000,    38016, 0x6802966d
+0,         16,         16,    48000,    38016, 0x107fb055