| 63 | } |
| 64 | |
| 65 | int ds_run(DecodeContext *dc) |
| 66 | { |
| 67 | int ret; |
| 68 | |
| 69 | ret = avcodec_open2(dc->decoder, NULL, &dc->decoder_opts); |
| 70 | if (ret < 0) |
| 71 | return ret; |
| 72 | |
| 73 | while (ret >= 0) { |
| 74 | ret = av_read_frame(dc->demuxer, dc->pkt); |
| 75 | if (ret < 0) |
| 76 | break; |
| 77 | if (dc->pkt->stream_index != dc->stream->index) { |
| 78 | av_packet_unref(dc->pkt); |
| 79 | continue; |
| 80 | } |
| 81 | |
| 82 | ret = avcodec_send_packet(dc->decoder, dc->pkt); |
| 83 | if (ret < 0) { |
| 84 | fprintf(stderr, "Error decoding: %d\n", ret); |
| 85 | return ret; |
| 86 | } |
| 87 | av_packet_unref(dc->pkt); |
| 88 | |
| 89 | ret = decode_read(dc, 0); |
| 90 | if (ret < 0) { |
| 91 | fprintf(stderr, "Error decoding: %d\n", ret); |
| 92 | return ret; |
| 93 | } else if (ret > 0) |
| 94 | goto finish; |
| 95 | } |
| 96 | |
| 97 | ret = avcodec_send_packet(dc->decoder, NULL); |
| 98 | if (ret >= 0) |
| 99 | ret = decode_read(dc, 1); |
| 100 | if (ret < 0) { |
| 101 | fprintf(stderr, "Error flushing: %d\n", ret); |
| 102 | return ret; |
| 103 | } |
| 104 | |
| 105 | finish: |
| 106 | return dc->process_frame(dc, NULL); |
| 107 | } |
| 108 | |
| 109 | void ds_free(DecodeContext *dc) |
| 110 | { |