54 строки
1.3 KiB
C
54 строки
1.3 KiB
C
/*
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* Copyright (c) 2013 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBMDEC_H_
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#define WEBMDEC_H_
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#include "./tools_common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct nestegg;
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struct nestegg_packet;
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struct VpxInputContext;
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struct WebmInputContext {
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uint32_t chunk;
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uint32_t chunks;
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uint32_t video_track;
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struct nestegg *nestegg_ctx;
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struct nestegg_packet *pkt;
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};
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int file_is_webm(struct WebmInputContext *webm_ctx,
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struct VpxInputContext *vpx_ctx);
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/* Reads a WebM video frame. Return values:
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* 0 - Success
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* 1 - End of File
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* -1 - Error
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*/
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int webm_read_frame(struct WebmInputContext *webm_ctx,
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uint8_t **buffer,
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size_t *bytes_in_buffer,
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size_t *buffer_size);
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int webm_guess_framerate(struct WebmInputContext *webm_ctx,
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struct VpxInputContext *vpx_ctx);
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void webm_free(struct WebmInputContext *webm_ctx);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // WEBMDEC_H_
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