FFmpeg coverage

Line	Branch	Exec	Source
1			/*
2			* Copyright 2012 Stefano Sabatini <stefasab gmail com>
3			*
4			* This file is part of FFmpeg.
5			*
6			* FFmpeg is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public
8			* License as published by the Free Software Foundation; either
9			* version 2.1 of the License, or (at your option) any later version.
10			*
11			* FFmpeg is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* Lesser General Public License for more details.
15			*
16			* You should have received a copy of the GNU Lesser General Public
17			* License along with FFmpeg; if not, write to the Free Software
18			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19			*/
20
21			#include <stdint.h>
22
23			#include "libavutil/frame.h"
24			#include "libavutil/log.h"
25
26			#include "libavformat/avformat.h"
27
28			#include "libavcodec/avcodec.h"
29
30			#include "lavfutils.h"
31
32		✗	int ff_load_image(struct AVFrame **outframe,
33			const char *filename, void *log_ctx)
34			{
35		✗	const AVInputFormat *iformat = NULL;
36		✗	AVFormatContext *format_ctx = NULL;
37			const AVCodec *codec;
38		✗	AVCodecContext *codec_ctx = NULL;
39			AVCodecParameters *par;
40		✗	AVFrame *frame = NULL;
41		✗	int ret = 0;
42			AVPacket pkt;
43
44		✗	*outframe = NULL;
45
46		✗	iformat = av_find_input_format("image2pipe");
47		✗	if ((ret = avformat_open_input(&format_ctx, filename, iformat, NULL)) < 0) {
48		✗	av_log(log_ctx, AV_LOG_ERROR,
49			"Failed to open input file '%s'\n", filename);
50		✗	return ret;
51			}
52
53		✗	if ((ret = avformat_find_stream_info(format_ctx, NULL)) < 0) {
54		✗	av_log(log_ctx, AV_LOG_ERROR, "Find stream info failed\n");
55		✗	goto end;
56			}
57
58		✗	par = format_ctx->streams[0]->codecpar;
59		✗	codec = avcodec_find_decoder(par->codec_id);
60		✗	if (!codec) {
61		✗	av_log(log_ctx, AV_LOG_ERROR, "Failed to find codec\n");
62		✗	ret = AVERROR(EINVAL);
63		✗	goto end;
64			}
65
66		✗	codec_ctx = avcodec_alloc_context3(codec);
67		✗	if (!codec_ctx) {
68		✗	av_log(log_ctx, AV_LOG_ERROR, "Failed to alloc video decoder context\n");
69		✗	ret = AVERROR(ENOMEM);
70		✗	goto end;
71			}
72
73		✗	ret = avcodec_parameters_to_context(codec_ctx, par);
74		✗	if (ret < 0) {
75		✗	av_log(log_ctx, AV_LOG_ERROR, "Failed to copy codec parameters to decoder context\n");
76		✗	goto end;
77			}
78
79		✗	codec_ctx->thread_type = FF_THREAD_SLICE;
80		✗	if ((ret = avcodec_open2(codec_ctx, codec, NULL)) < 0) {
81		✗	av_log(log_ctx, AV_LOG_ERROR, "Failed to open codec\n");
82		✗	goto end;
83			}
84
85		✗	ret = av_read_frame(format_ctx, &pkt);
86		✗	if (ret < 0) {
87		✗	av_log(log_ctx, AV_LOG_ERROR, "Failed to read frame from file\n");
88		✗	goto end;
89			}
90
91		✗	ret = avcodec_send_packet(codec_ctx, &pkt);
92		✗	av_packet_unref(&pkt);
93		✗	if (ret < 0) {
94		✗	av_log(log_ctx, AV_LOG_ERROR, "Error submitting a packet to decoder\n");
95		✗	goto end;
96			}
97
98		✗	if (!(frame = av_frame_alloc()) ) {
99		✗	av_log(log_ctx, AV_LOG_ERROR, "Failed to alloc frame\n");
100		✗	ret = AVERROR(ENOMEM);
101		✗	goto end;
102			}
103
104		✗	ret = avcodec_receive_frame(codec_ctx, frame);
105		✗	if (ret < 0) {
106		✗	av_frame_free(&frame);
107		✗	av_log(log_ctx, AV_LOG_ERROR, "Failed to decode image from file\n");
108		✗	goto end;
109			}
110		✗	*outframe = frame;
111
112		✗	end:
113		✗	avcodec_free_context(&codec_ctx);
114		✗	avformat_close_input(&format_ctx);
115
116		✗	if (ret < 0)
117		✗	av_log(log_ctx, AV_LOG_ERROR, "Error loading image file '%s'\n", filename);
118		✗	return ret;
119			}
120