1 /* 2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 #ifndef WEBMDEC_H_ 11 #define WEBMDEC_H_ 12 13 #include "./tools_common.h" 14 15 #ifdef __cplusplus 16 extern "C" { 17 #endif 18 19 struct nestegg; 20 struct nestegg_packet; 21 struct VpxInputContext; 22 23 struct WebmInputContext { 24 uint32_t chunk; 25 uint32_t chunks; 26 uint32_t video_track; 27 struct nestegg *nestegg_ctx; 28 struct nestegg_packet *pkt; 29 }; 30 31 int file_is_webm(struct WebmInputContext *webm_ctx, 32 struct VpxInputContext *vpx_ctx); 33 34 int webm_read_frame(struct WebmInputContext *webm_ctx, 35 uint8_t **buffer, 36 size_t *bytes_in_buffer, 37 size_t *buffer_size); 38 39 int webm_guess_framerate(struct WebmInputContext *webm_ctx, 40 struct VpxInputContext *vpx_ctx); 41 42 void webm_free(struct WebmInputContext *webm_ctx); 43 44 #ifdef __cplusplus 45 } // extern "C" 46 #endif 47 48 #endif // WEBMDEC_H_ 49
