FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/mediacodec.c
Date: 2021-09-24 20:55:06
Exec Total Coverage
Lines: 0 9 0.0%
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Line Branch Exec Source
1 /*
2 * Android MediaCodec public API functions
3 *
4 * Copyright (c) 2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "config.h"
24
25 #include "libavutil/error.h"
26
27 #include "mediacodec.h"
28
29 #if CONFIG_MEDIACODEC
30
31 #include <jni.h>
32
33 #include "libavcodec/avcodec.h"
34 #include "libavutil/mem.h"
35
36 #include "ffjni.h"
37 #include "mediacodecdec_common.h"
38 #include "version.h"
39
40 AVMediaCodecContext *av_mediacodec_alloc_context(void)
41 {
42 return av_mallocz(sizeof(AVMediaCodecContext));
43 }
44
45 int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface)
46 {
47 int ret = 0;
48 JNIEnv *env = NULL;
49
50 env = ff_jni_get_env(avctx);
51 if (!env) {
52 return AVERROR_EXTERNAL;
53 }
54
55 ctx->surface = (*env)->NewGlobalRef(env, surface);
56 if (ctx->surface) {
57 avctx->hwaccel_context = ctx;
58 } else {
59 av_log(avctx, AV_LOG_ERROR, "Could not create new global reference\n");
60 ret = AVERROR_EXTERNAL;
61 }
62
63 return ret;
64 }
65
66 void av_mediacodec_default_free(AVCodecContext *avctx)
67 {
68 JNIEnv *env = NULL;
69
70 AVMediaCodecContext *ctx = avctx->hwaccel_context;
71
72 if (!ctx) {
73 return;
74 }
75
76 env = ff_jni_get_env(avctx);
77 if (!env) {
78 return;
79 }
80
81 if (ctx->surface) {
82 (*env)->DeleteGlobalRef(env, ctx->surface);
83 ctx->surface = NULL;
84 }
85
86 av_freep(&avctx->hwaccel_context);
87 }
88
89 int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render)
90 {
91 MediaCodecDecContext *ctx = buffer->ctx;
92 int released = atomic_fetch_add(&buffer->released, 1);
93
94 if (!released && (ctx->delay_flush || buffer->serial == atomic_load(&ctx->serial))) {
95 atomic_fetch_sub(&ctx->hw_buffer_count, 1);
96 av_log(ctx->avctx, AV_LOG_DEBUG,
97 "Releasing output buffer %zd (%p) ts=%"PRId64" with render=%d [%d pending]\n",
98 buffer->index, buffer, buffer->pts, render, atomic_load(&ctx->hw_buffer_count));
99 return ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, render);
100 }
101
102 return 0;
103 }
104
105 int av_mediacodec_render_buffer_at_time(AVMediaCodecBuffer *buffer, int64_t time)
106 {
107 MediaCodecDecContext *ctx = buffer->ctx;
108 int released = atomic_fetch_add(&buffer->released, 1);
109
110 if (!released && (ctx->delay_flush || buffer->serial == atomic_load(&ctx->serial))) {
111 atomic_fetch_sub(&ctx->hw_buffer_count, 1);
112 av_log(ctx->avctx, AV_LOG_DEBUG,
113 "Rendering output buffer %zd (%p) ts=%"PRId64" with time=%"PRId64" [%d pending]\n",
114 buffer->index, buffer, buffer->pts, time, atomic_load(&ctx->hw_buffer_count));
115 return ff_AMediaCodec_releaseOutputBufferAtTime(ctx->codec, buffer->index, time);
116 }
117
118 return 0;
119 }
120
121 #else
122
123 #include <stdlib.h>
124
125 AVMediaCodecContext *av_mediacodec_alloc_context(void)
126 {
127 return NULL;
128 }
129
130 int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface)
131 {
132 return AVERROR(ENOSYS);
133 }
134
135 void av_mediacodec_default_free(AVCodecContext *avctx)
136 {
137 }
138
139 int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render)
140 {
141 return AVERROR(ENOSYS);
142 }
143
144 int av_mediacodec_render_buffer_at_time(AVMediaCodecBuffer *buffer, int64_t time)
145 {
146 return AVERROR(ENOSYS);
147 }
148
149 #endif
150