| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) The FFmpeg developers | ||
| 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 <limits.h> | ||
| 22 | #include <stdarg.h> | ||
| 23 | #include <string.h> | ||
| 24 | |||
| 25 | #include "avtextwriters.h" | ||
| 26 | |||
| 27 | #include "libavutil/error.h" | ||
| 28 | |||
| 29 | /* AVIO Writer */ | ||
| 30 | |||
| 31 | # define WRITER_NAME "aviowriter" | ||
| 32 | |||
| 33 | typedef struct IOWriterContext { | ||
| 34 | const AVClass *class; | ||
| 35 | AVIOContext *avio_context; | ||
| 36 | int close_on_uninit; | ||
| 37 | } IOWriterContext; | ||
| 38 | |||
| 39 | ✗ | static av_cold void iowriter_uninit(AVTextWriterContext *wctx) | |
| 40 | { | ||
| 41 | ✗ | IOWriterContext *ctx = wctx->priv; | |
| 42 | |||
| 43 | ✗ | if (ctx->close_on_uninit) | |
| 44 | ✗ | avio_closep(&ctx->avio_context); | |
| 45 | ✗ | } | |
| 46 | |||
| 47 | ✗ | static void io_w8(AVTextWriterContext *wctx, int b) | |
| 48 | { | ||
| 49 | ✗ | IOWriterContext *ctx = wctx->priv; | |
| 50 | ✗ | avio_w8(ctx->avio_context, b); | |
| 51 | ✗ | } | |
| 52 | |||
| 53 | ✗ | static void io_put_str(AVTextWriterContext *wctx, const char *str) | |
| 54 | { | ||
| 55 | ✗ | IOWriterContext *ctx = wctx->priv; | |
| 56 | ✗ | avio_write(ctx->avio_context, str, strlen(str)); | |
| 57 | ✗ | } | |
| 58 | |||
| 59 | ✗ | static void io_printf(AVTextWriterContext *wctx, const char *fmt, ...) | |
| 60 | { | ||
| 61 | ✗ | IOWriterContext *ctx = wctx->priv; | |
| 62 | va_list ap; | ||
| 63 | |||
| 64 | ✗ | va_start(ap, fmt); | |
| 65 | ✗ | avio_vprintf(ctx->avio_context, fmt, ap); | |
| 66 | ✗ | va_end(ap); | |
| 67 | ✗ | } | |
| 68 | |||
| 69 | |||
| 70 | const AVTextWriter avtextwriter_avio = { | ||
| 71 | .name = WRITER_NAME, | ||
| 72 | .priv_size = sizeof(IOWriterContext), | ||
| 73 | .uninit = iowriter_uninit, | ||
| 74 | .writer_put_str = io_put_str, | ||
| 75 | .writer_printf = io_printf, | ||
| 76 | .writer_w8 = io_w8 | ||
| 77 | }; | ||
| 78 | |||
| 79 | ✗ | int avtextwriter_create_file(AVTextWriterContext **pwctx, const char *output_filename) | |
| 80 | { | ||
| 81 | IOWriterContext *ctx; | ||
| 82 | int ret; | ||
| 83 | |||
| 84 | |||
| 85 | ✗ | ret = avtextwriter_context_open(pwctx, &avtextwriter_avio); | |
| 86 | ✗ | if (ret < 0) | |
| 87 | ✗ | return ret; | |
| 88 | |||
| 89 | ✗ | ctx = (*pwctx)->priv; | |
| 90 | |||
| 91 | ✗ | if ((ret = avio_open(&ctx->avio_context, output_filename, AVIO_FLAG_WRITE)) < 0) { | |
| 92 | ✗ | av_log(ctx, AV_LOG_ERROR, | |
| 93 | ✗ | "Failed to open output '%s' with error: %s\n", output_filename, av_err2str(ret)); | |
| 94 | ✗ | avtextwriter_context_close(pwctx); | |
| 95 | ✗ | return ret; | |
| 96 | } | ||
| 97 | |||
| 98 | ✗ | ctx->close_on_uninit = 1; | |
| 99 | |||
| 100 | ✗ | return ret; | |
| 101 | } | ||
| 102 | |||
| 103 | |||
| 104 | ✗ | int avtextwriter_create_avio(AVTextWriterContext **pwctx, AVIOContext *avio_ctx, int close_on_uninit) | |
| 105 | { | ||
| 106 | IOWriterContext *ctx; | ||
| 107 | int ret; | ||
| 108 | |||
| 109 | ✗ | ret = avtextwriter_context_open(pwctx, &avtextwriter_avio); | |
| 110 | ✗ | if (ret < 0) | |
| 111 | ✗ | return ret; | |
| 112 | |||
| 113 | ✗ | ctx = (*pwctx)->priv; | |
| 114 | ✗ | ctx->avio_context = avio_ctx; | |
| 115 | ✗ | ctx->close_on_uninit = close_on_uninit; | |
| 116 | |||
| 117 | ✗ | return ret; | |
| 118 | } | ||
| 119 |